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FDTD Satellite Applications Webinars

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GOES-16 User Workshop at NWSTC, November 2017

These webinars are peer-to-peer learning; staff from WFOs, National Centers, CWSUs, RFCs lead the presentations. The presentations are short (less than 30 minutes) and recorded for on-demand viewing. They are offered on a routine basis (typically bi-weekly) and offer recent in-season examples ready to apply operationally. The primary objective of these webinars are to share how to apply GOES imagery with other datasets for a specific operational application so that other WFO’s learn how to do this.

Refer to the VISIT Training Calendar for the next scheduled FDTD Satellite Applications webinar.

Below you’ll find a list of FDTD Satellite Applications Webinar recordings from the past (including links to powerpoint files), listed in reverse chronological order. Be sure to have your speakers on and the volume loud enough to hear the presentation. To sort them by a different column, click the column heading at the top to reorder them.

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Title Date Brief Summary
Analysis of Two Lake Enhanced Snow Events Along the Tennessee River 2021-11-17 Matt Anderson discusses two lake enhanced snow events that occurred downwind of Lake Wheeler along the Tennessee River in late 2020. Meteorological variables including vertical temperature profiles, surface temperatures, water temperatures, and wind direction will be examined to determine if proven thresholds, found in the Great Lakes, can be applied to smaller scale lakes. The processes including thermally-direct circulations, convection due to low-level instability, and convergence due to differential friction will also be analyzed. Finally, an overview of the meteorological setup and event analysis is discussed with special attention paid to the interpretation of radar and satellite imagery.
An Operational Review of the Historic Waverly, TN Flash Flooding 2021-09-22 Matt Reagan and Brendan Schaper discuss the historic flooding event of August 21, 2021, the deadliest flash flood on record in Middle Tennessee. An event of this magnitude is uniquely challenging to predict and an even greater challenge to communicate. Through observational data and model output, forecasters at the National Weather Service in Nashville, Tennessee identified a stationary boundary with an exceptional moisture profile as the potential focus for heavy rainfall. Radar and satellite data during the event, such as the Multi-Radar/Multi-Sensor System (MRMS), provided important details that allowed forecasters to issue a Flash Flood Emergency across a four-county area Saturday morning. A preliminary review of model performance, radar, and satellite observations suggest that the combination of forecaster interpretation and information available before and on August 21st were paramount in detection, warning, and communicating the life-threatening situation.
Forecasting Heavy Rainfall in American Samoa with no Radar 2021-09-08 Dora Meredith discusses the challenges of forecasting heavy rainfall in American Samoa without the benefit of radar data. With the lack of radar technology, the WSO Pago Pago staff relies heavily on satellite observations, upper air soundings, and model data to run its operations. GFS potential temperatures and relative humidity patterns, as well as the Galvez-Davison Index model output are found to be dependable tools for forecasting heavy rainfall conditions in the tropical region. These conditions include: abundant atmospheric moisture, a lifting mechanism, and instability. For this presentation, we will focus on utilizing MMIC Total Precipitable Water and other satellite features in combination with model data to assess and forecast the aforementioned conditions for American Samoa.
A Retrospective Satellite Analysis of the 8 February 2021 Florida Keys Dense Sea Fog Event 2021-08-25 William Churchill discusses a sea fog event in the Florida Keys from February 8th, 2021. Sea fog is a relatively rare event for the Florida Keys, however a stronger than normal SST gradient combined with a decaying cold front came together resulting in sea fog. Multiple satellite imagery and products are discussed highlighting their operational utility.
Operational use of scatterometry in an otherwise data-sparse tropical western Pacific 2021-08-02 Brandon Aydlett discusses the use of scatterometry data at WFO Guam. Scatterometry data, for years, has proven invaluable in assessing daily and regional winds, better highlighting areas with winds exceeding hazardous levels for small craft, many of which are small single-engine boats, small sailboats, or even canoes. Additionally, in a region accustomed to seeing nearly 20 tropical cyclones annually, scatterometry data provides actionable data that complements global models, which often struggle in pre-formation stages of tropical cyclones.
Utilizing NUCAPS for Supplemental Observations in a Convective Environment 2021-06-16 Kaitlin Rutt summarizes the use of NUCAPS data for a severe thunderstorm event in west Texas on 3 May 2021. NUCAPS sounding profiles, with the help of surface observations, revealed an environment capable of supporting supercells. Gridded NUCAPS data showed a favorable airmass that storms formed in, with steep lapse-rates and large theta-e.
A Satellite & Radar-Based Analysis of the 26 March 2021 Middlebury, Vermont EF-1 Tornado Environment 2021-05-27 Peter Banacos and Brooke Taber discuss the 26 March 2021 Middlebury, VT EF-1 tornado event. The focus is on satellite tools useful in tracking the EML, a dryslot, and mid-tropospheric synoptic forcing, including the GOES-16 7.3 μm lower-level water vapor imagery, and the experimental polar-orbiter based advected layer precipitable water (ALPW) product. Also, the QLCS evolution will be examined via GOES-16 visible and 10.3 μm clean-IR window imagery, and compared with convective trends observed via dual-pol radar products from Burlington, VT (KCXX) and Fort Drum, NY (KTYX).
NWS Central Region Remote Mesoanalyst Proof of Concept: The 17 March 2021 Tornado Event in Southwest Missouri 2021-05-05 Pat Spoden, Jason Schaumann, and Corey Mead discuss the role the newly implemented remote mesoanalyst played in providing support for the NWS Springfield, MO weather forecast office on 17 March 2021. Through assessment of various datasets, including satellite, radar, surface observation, and objective-analysis fields, the remote mesoanalyst group briefed NWS Springfield on the increasing potential for tornadoes. Based, in part, on that dialog, NWS Springfield was able to preemptively issue a tornado warning on a storm that went on to produce a tornado. Radar setting strategies and tornado warning concepts provided by the NWS Central Region Tornado Warning Improvement Project Team will also be discussed.
Use of NUCAPS Soundings in Mesoanalysis on a Conditional Severe Risk Day 2021-04-07 Alex Edwards discusses the use of NUCAPS sounding data on a conditional severe risk day. Integrating NUCAPS into the convective mesoanalysis process helped change the operational tempo of WFO BIS that afternoon when it detected substantially less convective inhibition than that morning's model guidance had previously produced. NUCAPS is best for more broad trends as well as analyzing mid to upper level lapse rates, subsidence and drying, capping properties etc.
The Use of Lightning and the NOAA/CIMSS ProbSevere Model in Tornado Detection Over the Mid-Atlantic 2021-03-24 Trent Davis discusses the use of Lightning data along with the NOAA/CIMSS ProbSevere model in tornado cases over the Mid-Atlantic region. Lightning can serve as a useful aid in warning operations. Recognizing trends from lightning and ProbSevere along with radar data may help identify severe/tornadic storms. Lightning may also provide longer lead times than radar alone.
MIMIC-TPW for Winter Applications 2021-03-17 Dave Zaff discusses the role of the MIMIC-TPW product in winter weather forecasting. Two cases are considered with differing amounts of moisture as seen from MIMIC-TPW, the utility of the product is illustrated in the forecast process.
GOES-East Cloud Top Signatures of Weakly Forced Snow Events 2021-01-06 Dan Baumgardt discusses the appearance of stratus clouds composed of supercooled liquid water droplets within an Arctic airmass. Results from field experiments show that there is a stratification of cloud phase in weakly forced, Arctic environments so that cloud tops may remain supercooled longer even while the interior of the cloud is glaciated.
The Great Lakes Mesovortex of December 30-31, 2017. Diagnosing the Evolution through Satellite Imagery and Local Modeling. 2020-12-09 Nathan Marsili discusses a mesovortex over the western Great Lakes during the cold air outbreak of 30-31 December 2017. NWP output and satellite imagery is analyzed to help assess the factors responsible for mesovortex formation and evolution. The question of how these factors can be anticipated in an operational environment is also discussed.
Forecasting and Communications Challenges Associated with the 25 February 2020 Narrow Heavy Snow Band in Central Kansas 2020-11-04 Kelly Butler and Chris Jakub discuss the forecasting and communication challenges associated with a narrow heavy snow band event from 25 February 2020. Forecasting challenges include the role of various satellite imagery and products that were useful for mesoanalysis. Communication challenges include how to reach out to people for such a localized but high impact event such as this.
The Importance of Mesoanalysis in the WFO: May 22nd 2020 Tornadoes 2020-10-14 Randy Bowers discusses the critical importance of mesoanalysis during a severe weather event. Satellite imagery was particularly helpful and allowed for a play by play in NWS chat with core partnership, highlighting timing, threat area, and threat magnitude.
Thunderstorms, Smoke, and Fire 2020-09-09 Mike Stavish discusses a fire event with nearby convection in northern California. GOES-West RGB data helped to distinguish smoke and pyrocumulus from thunderstorms that posed a threat to fire operations.
Incorporating GOES Products into Short Fuse Hydrologic Warning Decisions 2020-08-12 Derrick Snyder discusses a significant flash flood event in Calloway County, KY that was observed thanks to very handy mesonet data, 1-min GOES imagery that showed rapidly cooling cloud tops, a large uptick in GLM FED activity, and dual pol KDP.
Satellite Observations of an Earlier-than-Forecast, Explosive Convective Initiation 2020-07-08 Dan Baumgardt discusses a severe weather event that began earlier than forecast from 2 June 2020. A review of satellite products and signals most helpful in diagnosing mesoscale features and convective initiation are covered.
Use of low-level water vapor imagery in diagnosing the elevated mixed layer 2020-06-17 John Stoppkotte discusses how the low-level water vapor imagery was useful in understanding and predicting where convection would fire in a case from March 2020.
Moving Toward Situational Awareness with the GLM 2020-04-22 Jason Jordan describes how WFO Lubbock has integrated GLM into their warning decision making and suggestions for GLM Situational Awareness Displays.
Utilizing GLM in the Severe Warning Process 2020-03-11 Ashley Ravenscraft and Kris White from NWS WFO Huntsville, AL describe the use of GLM data for two recent cold season severe weather episodes. In one of the events, GLM data factored heavily into the warning decisions for severe convection, including tornado warnings, when the primary radar (KHTX) failed.
The 18 December 2019 NYC Snow Squall Event 2020-03-04 Michael Jurewicz and Dave Radell discuss an event where snow squall warnings were issued in PA and NY. An overview of the meteorological setup and event analysis is presented, with special attention paid to interpretation from both geostationary and polar satellite data.
From a Pyrocumulus to a Severe Thunderstorm: An Environmental Analysis of an Anomalous Southern Plains Wildfire 2020-02-05 Kaitlin Rutt discusses a Southern Plains fire that led to Pyrocumulus and eventually a severe thunderstorm. GOES imagery, lightning, radar and videos are examined to follow the transition from pyrocumulus to a severe thunderstorm with associated 1.0 inch hail and severe wind reports.
Comparison of Impacts between the 1997 and 2018 Ohio River Floods in Southwestern Indiana 2019-11-06 Derrick Snyder discusses two major flood events that impacted the lower Ohio River Valley. Satellite imagery and products from the 2018 flood event are shown. This event partially led the Paducah WFO to implement new tools for significant river flooding events.
Use of GOES-East Composite RGB Imagery and GLM Data in the Ohio Valley 2019-10-16 Ryan Sharp discusses the GOES ABI RGB imagery and GLM data to 1) Help pinpoint surface features for DSS purposes and 2) Aid warning forecaster confidence in warning decision making.
Modifying RGB Imagery on the Fly in AWIPS 2019-09-24 Bill Line outlines opportunities to improve RGB usefulness on the fly for some of the GOES RGB products. Understanding why making RGB modifications in AWIPS on the fly is discussed along with limitations.
Issuing Warnings with No Radar 2019-08-21 David Levin summarizes the 27 June 2019 event for southeast Alaska in which the Juneau WFO issued their first ever severe thunderstorm warning. Radar data was not available for this event due to beam blockage and distance from the radar site. This presentation shows the data and the thought process that went into the decision making.
Superior, WI Husky Refinery Explosion NWS Duluth Response 2019-07-17 Joe Moore summarizes the response by the NWS WFO in Duluth, MN to an explosion at a nearby refinery. Monitoring GOES-16 imagery played a role in monitoring the plume from the refinery. Lessons learned on the response for what went well and where improvements could be made are provided.
Nocturnal Wildfire Smoke Tracking using GOES-16 2019-06-12 Kevin Huyck investigates experimental GOES RGB products to assess nighttime detection of smoke from GOES. Smoke can be tracked at night, under clear conditions and also utilizing daytime imagery before nightfall. More development is needed with potential for new products.
The Above Anvil Cirrus Plume: An Important Indicator of a Severe Storm in Visible and IR Imagery 2019-06-05 Kris Bedka summarizes important findings from a recent Weather and Forecasting journal article on the Above Anvil Cirrus Plume (AACP) signature. AACP storms are much more intense than other storms, generating a higher fraction of reported severe weather and the vast majority of significant hail and tornadoes (2+ inch and EF2+ respectively).
New Applications of GOES-17 Imagery in Volcanic Plume Detection for the VAAC/Alaska Region 2019-04-24 Doug Wesley summarizes the use of new GOES-17 imagery to detect volcanic plumes. The primary case study is the Bezyimanny volcanic eruption of 16 March 2019. The Ash and SO2 RGB products from GOES-17 are highlighted, but also compared with GOES-15 to illustrate the major improvements since the inception of GOES-17.
Applications of GOES-17 Data in Fog Forecasting for Anchorage, AK 2019-03-20 Doug Wesley summarizes the use of new GOES-17 information to help define the coverage and evolution of a shallow fog event over and near the Anchorage/Cook Inlet area on 26 February 2019. This includes applications of derived product imagery in helping forecasters determine the formation, extent and dissipation of the shallow fog over a relatively data-sparse area.
GOES-16 Identification of Blowing Snow 2019-02-06 Carl Jones discusses using the Day Snow-Fog RGB from GOES-16 for identification of blowing snow. Several examples of blowing snow are shown along with possible explanations as to why it is being detected by GOES-16 and advantages and disadvantages of using this RGB to monitor blowing snow.
A GOES-16 Perspective on a Fatal Snow Squall Event 2018-12-12 Kristen Cassady and Ashley Novak discuss snow squall warnings and the event of 8 March 2018. GOES-16 Band 8 is useful in identifying and tracking PV anomalies / PV tropopause folds. GOES-16 band 13 and daytime cloud phase distinction RGB have utility in monitoring snow squalls.
Erie PA Lake-Effect Snow event 2018-12-12 Bob LaPlante and Zach Sefcovic discuss the 25-26 December 2017 lake-effect snow event that impacted the Erie, PA vicinity. GOES-16 imagery was particularly useful due to beam overshooting by the 2 nearest WSR-88Ds. A number of GOES-16 RGB products were helpful in identifying the lake-effect snow bands.
Utilizing Radar and Satellite to Provide Meaningful Lightning Initiation and Cessation Information for Effective Decision-making 2018-09-26 Pete Wolf discusses a methodology to successfully forecast (short-term) CG lightning initiation and cessation. These include environmental knowledge, access to real-time satellite and radar data, knowledge of data issues/biases, and knowledge of how lightning is produced in thunderstorms. The key GOES tools using this approach are the GLM and Day Cloud Phase Distinction RGB.
Satellite Training and Operations Resource (STOR) 2018-07-18 Frank Alsheimer discusses the Satellite Training and Operations Resource found on the NOAA Virtual Lab. The discussion highlights how this web resource came about, along with where to find various types of satellite related training on the STOR page, as well as where to ask satellite related questions.
Wildland Fire Notifications for Impact-Based Decision Support Services in Oklahoma 2018-05-23 Todd Lindley discusses a notification system for wildland fires utilized for decision support services. Feedback on the system is highlighted along with ideas as a prototype for a possible future NWS fire warning program.
Day Cloud Phase Distinction RGB Composite: Gaining Situational Awareness for DSS 2018-04-25 Chad Gravelle discusses the Day Cloud Phase Distinction RGB composite. A brief description is followed by an applied example as a proof of concept for DSS.
Expanding DSS in Central California by Using GOES-16/17 for Fire and Fog Identification 2018-04-11 Kris Mattarochia discusses operational applications of GOES-16 imagery and products for Fire and Fog identification in central California.
Interesting GOES-16 Observations: The Sea Breeze, and Wildfires 2018-03-21 Pete Wolf discusses GOES-16 visible band examples of the sea breeze along the Florida coastline. Also, the advantages of using the GeoColor product for smoke plume identification is discussed.
Heavy Snow Event in North Carolina of 17 January 2018 2018-03-07 Gail Hartfield and Frank Alsheimer discuss operational applications of GOES-16 single band and RGB imagery for the 17 January 2018 heavy snow event in North Carolina. In addition, products derived from polar orbiting instruments were also reviewed.
A First Look at GLM in AWIPS 2018-02-24 Chad Gravelle discusses the Flash Extent Density product from the GOES Geostaionary Lightning Mapper (GLM) in AWIPS. A brief description is followed by a case that compares GLM with ENTL Total Flash Density, MRMS reflectivity (lowest altitude), IR/VIS sandwich product and VIS.
Convective Initiation 2018-02-21 Ariel Cohen discusses operational applications of GOES-16 imagery as applied to Convective Initiation. GOES-16 usage for Convective Initiation in a case with relatively weak ascent is compared with a case for relatively stronger ascent.
Creating Color Tables in AWIPS 2018-02-07 Mike Baker discusses reasons to create new satellite color tables then summarizes the procedure for editing the color table in AWIPS. He also discusses where to find additional customized color tables from the field, and where to submit color tables you've created so that they are available to the community.
GOES-16 new capabilities for the tropical forecasting and analysis at NHC/TAFB 2018-01-24 Nelsie Ramos discusses various satellite products to monitor and tracking tropical waves, including the SAL, DUST, Pseudo-Natural, GeoColor RGBs. In addition the low-level water vapor and LPW imagery is used in tandem with IR channel 13. Other hazards such as offshore convection monitoring with the Lightning Density product and fog advisories with the FLS and GeoColor RGB products are discussed.
Utilizing GOES-16 Data in the Desert Southwest 2018-01-10 Stan Czyzyk discusses the benefits of increased spatial and temporal resolution of GOES-16 towards applications of blowing dust events, wildfires, and enhanced convection. Parallax and improved collaboration for mesoscale sector requests are also discussed.
North Bay Wildfires of October 2017 2017-12-07 Matt Mehle discusses the historic October 2017 wildfire event in the North Bay of California. GOES-16 imagery and products were used for first detection and alerting to fires.
Experimental GOES-16 Applications for a Flooding Event in the Northeastern U.S. 2017-11-30 Christina Speciale and Neil Stuart discuss a flood event from 7 July 2017 thaat affected the Northeast U.S. GOES-16 imagery, radar data and SPC mesoanalyses were critical to situational awareness that led to flood warnings prior to observed flooding.
Dispelling the myth of Random Convection 2017-10-25 Kevin Laws discusses a local study that includes analyses that help dispel the misconception of random, pop-up thunderstorm occurence. This presentation will describe some of the preferred locations for summertime convection and provide detailed statistics of autoconvective and boundary interactions to aid forecasters in the often difficult, short term forecast process.
GOES-16 applications for convection over the southeast US 2017-10-11 Frank Alsheimer provides a scenario-based presentation for a typical summer convective forecast over the southeast. GOES-16 cloud and moisture imagery (CMI), channel difference products, baseline products and RGBs are demonstrated for operational applications in the convective forecast.
Operational Observations from the GLM and LMA 2017-09-27 Brian Carcione looks at GOES-16 ABI and GLM imagery for trends in Hurricane Harvey in Texas and a tornado event in northern Alabama during the same time period. The GLM is compared with local LMAs and the comparison appeared favorable.
GOES-16 Convective Strategies 2017-08-16 Patrick Ayd demonstrated the role of GOES-16 imagery combined with other datasets during the forecast and nowcast period on a severe weather day. 1-minute imagery provides additional situational awareness, visible and Day cloud phase RGB were used for convective initiation. During the event, the imagery aids in the larger scale convective scenario, avoiding tunnel vision on a single portion of your CWA, and potentially reallocating staffing/warning sectors.
NHC discussion of GOES-16 Imagery for Current Tropical Cyclone Activity 2017-08-01 Jack Bevan and Mark DeMaria discuss a variety of GOES-16 imagery applications for tropical cyclone analysis. This includes various RGB products, the influence of GOES-16 on the Dvorak Technique, 1-minute imagery and the GLM.
Fog / low cloud / moisture gradient applications of the Nighttime Microphysics RGB product 2017-07-26 Kris White shows how the GOES-16 Nighttime Microphysics RGB can be used to identify low cloud features such as fog and low stratus and offers better contrast than legacy imagery. Also, the Nighttime Microphysics RGB can be used to help identify areas of contrasting low-level moisture.
Smoke and Dust applications of the Geocolor product 2017-07-12 Dan Lindsey highlights the GOES-16 GeoColor product in identification of smoke and dust.
Memphis Derecho of 27 May 2017 2017-06-28 Andy Chiuppi looked at the role of GOES-16 imagery combined with other datasets in forecasting a high impact Derecho event in the Memphis area.
Blowing Dust in Montana 2017-06-14 Paul Nutter discusses brightness temperature difference fields in GOES-16 IR bands that allow for 24 hour dust monitoring.
GOES-16 Water Vapor bands orographic applications 2017-05-24 Greg Guillot highlights GOES-16 water vapor imagery to clearly show a wave that led to severe turbulence west of Denver International Airport. The imagery was used to decide to close departure gates. Becca Mazur looked at GOES-16 water vapor channels to analyze a mountain wave that led to strong winds near the Laramie Range. The imagery aided in the forecast problem of determining the timing of onset of strong winds in wind prone areas along major roads.
Hail Swaths observed with GOES-16 2017-05-10 Paul Schlatter demonstrates utility of the snow/ice (1.6 micron) band to identify hail streaks on the ground. The 3.9 micron band also provides useful information.
GOES-16 Split Window Difference Product 2017-04-26 Phil Schumacher discusses the Split Window Difference (SWD) Product. SWD is affected by both moisture and emitting temperature. Gradients of the SWD can show moisture boundaries.