Alert archive / Georgia / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 204, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 6, 2018, 6:00 PM EDT for 4 counties in Georgia. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 6, 2018, 6:00 PM EDT (22:00 UTC)
- Expired
- Aug 6, 2018, 6:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Irwin County, GA, Tift County, GA, Turner County, GA, Worth County, GA
The radar
The Moody AFB radar (KVAX), 94 km from the middle of the area, began a volume at 22:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.0 hours before the alert went out and 149 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2081 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 3:49 PM EDT, 2 hours 11 minutes earlier.
Area forecast discussion, Aug 6, 3:49 PM EDT, 2 hours 11 minutes before
Area Forecast Discussion National Weather Service Tallahassee FL 349 PM EDT Mon Aug 6 2018 Issued by National Weather Service Mobile AL .NEAR TERM [Through Tonight]... An upper high pressure system over the southeast states will persist through tonight while an inverted upper level trough moves westward over the northeast Gulf of Mexico. A surface ridge of high pressure extending along the Appalachian Mountains to the northeast Gulf of Mexico will remain largely in place, but models are hinting toward a possible weak easterly wave forming late tonight across northeast gulf. With the approach of the upper level wave and a sea breeze pushing inland, the ongoing isolated to scattered afternoon convection will persist throughout the evening, and then gradually dissipate after midnight mainly across the inland areas. .SHORT TERM [Tuesday Through Wednesday Night]... The inverted upper level trough will continue to move westward from the northeast Gulf of Mexico to the north central gulf throughout the day Tuesday. The combination of upper level impulses associated with the trough moving over the forecast area on Tuesday, decreasing stability due to strong surface heating and another sea breeze pushing inland, isolated to scattered showers and thunderstorms will re-develop early in the day and persist through much of the day, with coverage decreasing slightly across the eastern portions of the forecast area by late afternoon. Rain chances are then a bit lower on Wednesday due to increased subsidence and drier air beneath a region of high pressure that moves overhead. With plenty of sunshine each afternoon, high temperatures will range from 90 to 95 inland areas with heat indices expected to top out between 101 to 106 degrees. .LONG TERM [Thursday Through Monday]... As broad troughing settles in over the eastern CONUS it sandwiches the local area between it and high pressure to our south. This brings a period of unsettled weather Thursday and Friday as a west-southwest flow maintains deep layer moisture and scattered to numerous showers and thunderstorms develop each day. A series of shortwave troughs then act to deepen the broader eastern CONUS trough on Saturday, causing it to dig southward towards the Gulf Coast where it remains until Monday. This will continue the pattern of unsettled weather for the local area straight through the weekend and into early next week. Expect temperatures to cool somewhat due to the increased coverage of clouds and rain, with highs in the upper 80s to around 90 degrees. && .AVIATION [Through 18Z Tuesday]... Majority VFR conditions expected through the forecast period with light northeast winds during the day. Isolated MVFR conditions possible beneath scattered thunderstorms. Patchy fog is possible early Tuesday morning prior to sunrise, but coverage near and over TAF should be limited. && .MARINE... Weak high pressure across the southeast states will gradually shift south over the eastern Gulf of Mexico through midweek and then persist into the weekend. Favorable marine conditions throughout the week with light winds and low seas. A slight uptick in winds and seas can be expected heading into the weekend. && .FIRE WEATHER... Surface high pressure will persist across the region with relative humidity values remaining above critical thresholds. Isolated to scattered showers and thunderstorm coverages expected through midweek, with heat indices again climbing to between 100 to 106 Tuesday afternoon. Relative humidity values will remain above critical thresholds for the next several days, so no red flag conditions are forecast. && .HYDROLOGY... The St Marks river at Newport remains in minor flood stage and is expected to fall below flood stage during the latter half of this week. The Apalachicola and Ochlockonee rivers will hover in action stage for the next several days with slow falls expected after midweek. Though summertime showers and storms in the afternoon are anticipated, no additional flooding is forecast. && .SPOTTER INFORMATION STATEMENT... Spotter activation is not requested. However, spotters are always encouraged to safely report significant weather conditions when they occur by calling the office or tweeting us @NWSTallahassee. && .PRELIMINARY POINT TEMPS/POPS... Tallahassee 73 93 73 93 74 / 40 40 10 30 10 Panama City 76 92 75 89 76 / 30 50 10 20 20 Dothan 75 93 73 92 73 / 30 40 20 30 10 Albany 76 93 74 92 74 / 30 40 20 30 10 Valdosta 73 92 73 93 74 / 20 30 20 30 10 Cross City 73 92 74 91 75 / 20 20 10 20 10 Apalachicola 77 90 75 88 77 / 40 40 10 20 10 && .TAE WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AL...None. GM...None. && NEAR TERM...JP SHORT TERM...TRC LONG TERM...TRC AVIATION...DRJohnson MARINE...JP FIRE WEATHER...JP HYDROLOGY...DRJohnson
In the hours before
Special weather statement, Aug 6, 5:23 PM EDT, 37 minutes before
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</html>Special weather statement, Aug 6, 5:23 PM EDT, 37 minutes before
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</html>Special weather statement, Aug 6, 5:33 PM EDT, 27 minutes before
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</html>Special weather statement, Aug 6, 5:37 PM EDT, 23 minutes before
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</html>Local storm report, Aug 6, 5:38 PM EDT, 22 minutes before
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</html>The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 3:38 PM EDT | Special Weather Statement | TAE | Calhoun, Liberty | 37 min |
| Aug 6, 4:07 PM EDT | Special Weather Statement | TAE | Leon | 23 min |
| Aug 6, 4:24 PM EDT | Severe Thunderstorm Warning | TAE | Leon | 14 min |
| Aug 6, 4:45 PM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Wakulla | 30 min |
| Aug 6, 5:00 PM EDT | Special Weather Statement | TAE | Bay | 30 min |
| Aug 6, 5:05 PM EDT | Special Weather Statement | TAE | Jefferson | 25 min |
| Aug 6, 5:18 PM EDT | Special Marine Warning | TAE | 57 min | |
| Aug 6, 5:19 PM EDT | Special Marine Warning | TAE | 56 min | |
| Aug 6, 5:23 PM EDT | Special Weather Statement | TAE | Washington | 37 min |
| Aug 6, 5:37 PM EDT | Special Weather Statement | TAE | Jefferson | 38 min |
| Aug 6, 6:02 PM EDT | Special Weather Statement | TAE | Walton | 28 min |
| Aug 6, 6:04 PM EDT | Special Marine Warning | TAE | 56 min | |
| Aug 6, 6:09 PM EDT | Special Marine Warning | TAE | 66 min | |
| Aug 6, 6:31 PM EDT | Special Weather Statement | TAE | Walton | 29 min |
| Aug 6, 7:03 PM EDT | Special Marine Warning | TAE | 57 min | |
| Aug 6, 7:17 PM EDT | Special Weather Statement | TAE | Walton | 43 min |
| Aug 6, 2:56 PM EDT | Special Weather Statement | TAE | Brooks, Colquitt, Thomas | 49 min |
| Aug 6, 3:43 PM EDT | Special Weather Statement | TAE | Brooks, Thomas | 47 min |
| Aug 6, 4:49 PM EDT | Special Weather Statement | TAE | Ben Hill | 26 min |
| Aug 6, 5:14 PM EDT | Special Weather Statement | TAE | Ben Hill, Irwin | 31 min |
| Aug 6, 5:20 PM EDT | Severe Thunderstorm Warning | TAE | Ben Hill, Berrien, Irwin, Tift, Turner | 55 min |
| Aug 6, 5:33 PM EDT | Special Weather Statement | TAE | Lanier | 27 min |
| Aug 6, 6:15 PM EDT | Special Weather Statement | TAE | Lee | 30 min |
| Aug 6, 6:28 PM EDT | Special Weather Statement | TAE | Berrien | 32 min |
| Aug 6, 6:42 PM EDT | Special Weather Statement | TAE | Berrien, Colquitt, Cook, Tift, Worth | 48 min |
| Aug 6, 7:10 PM EDT | Severe Thunderstorm Warning | TAE | Dougherty, Lee, Mitchell, Worth | 33 min |
| Aug 6, 7:20 PM EDT | Special Weather Statement | TAE | Baker, Calhoun | 40 min |
| Aug 6, 7:22 PM EDT | Special Weather Statement | TAE | Early | 38 min |
| Aug 6, 7:42 PM EDT | Special Weather Statement | TAE | Baker, Mitchell | 48 min |
| Aug 6, 7:56 PM EDT | Special Weather Statement | TAE | Calhoun, Early | 34 min |
| Aug 6, 5:34 PM EDT | Special Weather Statement | TAE | Coffee | 26 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2018Every severe thunderstorm warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.