Alert archive / Georgia / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 335, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 7, 2008, 1:50 PM EDT for Wayne County, Georgia. It was in force for 40 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 7, 2008, 1:50 PM EDT (17:50 UTC)
- Expired
- Aug 7, 2008, 2:30 PM EDT
- In force
- 40 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
County Wayne County, GA
The radar
The Jacksonville radar (KJAX), 120 km from the middle of the area, began a volume at 17:53 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
Jacksonville, FL (KJAX), launched 12:00Z, 5.8 hours before the alert went out and 119 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
- 1877 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1221 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- 64 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 Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 10:02 AM EDT, 3 hours 48 minutes earlier.
Area forecast discussion, Aug 7, 10:02 AM EDT, 3 hours 48 minutes before
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</html>Hazardous weather outlook, Aug 7, 9:26 AM EDT, 4 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 926 AM EDT THU AUG 7 2008 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-081000- ALACHUA-APPLING-ATKINSON-BACON-BAKER-BRADFORD-BRANTLEY- CAMDEN (COASTAL)-CAMDEN (INLAND)-CHARLTON-CLAY-CLINCH-COFFEE- COLUMBIA-DUVAL-ECHOLS-FLAGLER-GILCHRIST-GLYNN (COASTAL)- GLYNN (INLAND)-HAMILTON-JEFF DAVIS-MARION-NASSAU-PIERCE-PUTNAM- ST JOHNS-SUWANNEE-UNION-WARE-WAYNE- 926 AM EDT THU AUG 7 2008 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ...HIGH HEAT INDEX VALUES EXPECTED AGAIN TODAY... ...STRONG TO SEVERE THUNDERSTORMS POSSIBLE TODAY... HOT AND HUMID CONDITIONS WILL CONTINUE TODAY WITH AFTERNOON HEAT INDEX VALUES OF 103 TO 107 DEGREES ACROSS SOUTHEAST GEORGIA AND EXTREME NORTHEAST FLORIDA. IF YOU PLAN TO BE OUTSIDE...AVOID PROLONGED EXPOSURE OR STRENUOUS PHYSICAL ACTIVITY. DRINK PLENTY OF FLUIDS TO AVOID DEHYDRATION. ALCOHOLIC AND CAFFEINATED BEVERAGES CAN INCREASE THE RATE OF WATER LOSS IN YOUR BODY...INCREASING THE RISK OF HEAT EXHAUSTION OR STROKE. WEAR LIGHTWEIGHT...LIGHT-COLORED...LOOSE-FITTING CLOTHING. ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TODAY. THE BEST CHANCE OF STORMS WILL BE OVER INTERIOR AREAS...ALTHOUGH INCREASING SOUTHWESTERLY FLOW AND A WEAK DISTURBANCE MAY SHIFT THE FOCUS OF STORMS TOWARD THE ATLANTIC COAST BY EVENING. THE STRONGEST STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS TO 50 MPH...SMALL HAIL AND FREQUENT LIGHTNING. ADDITIONALLY...RAIN MAY BE HEAVY AT TIMES... CAUSING PONDING OF WATER ON ROADWAYS AND POSSIBLE FLOODING OF LOW LYING OR POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... THUNDERSTORMS WILL BECOME MORE NUMEROUS ON FRIDAY AS AN UPPER TROUGH DEVELOPS OVER THE SOUTHEAST AND A FRONTAL SYSTEM APPROACHES THE AREA. AS THE FRONT MOVES SOUTH OF THE AREA...RAIN CHANCES WILL DECREASE ON SATURDAY AND REMAIN LOW THROUGH MONDAY WITH THE BEST CHANCES OVER NORTH CENTRAL FLORIDA. THUNDERSTORM COVERAGE WILL INCREASE AGAIN ON TUESDAY AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. HOWEVER... SPOTTERS ARE REQUESTED TO SELF-ACTIVATE IF WARNINGS ARE ISSUED FOR YOUR AREA LATER TODAY. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX. ECZ
In the hours before
Special weather statement, Aug 7, 9:58 AM EDT, 3 hours 52 minutes before
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</html>Special weather statement, Aug 7, 1:24 PM EDT, 26 minutes before
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</html>Special weather statement, Aug 7, 1:29 PM EDT, 21 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 2:17 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton | 27 min |
| Aug 7, 3:44 PM EDT | Areal Flood Advisory | JAX | Columbia, Hamilton, Suwannee | 2 hr |
| Aug 7, 4:02 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 58 min |
| Aug 7, 4:07 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Duval, Nassau | 43 min |
| Aug 7, 4:28 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 47 min |
| Aug 7, 4:47 PM EDT | Special Marine Warning | JAX | 118 min | |
| Aug 7, 5:20 PM EDT | Areal Flood Advisory | JAX | Duval, Nassau | 115 min |
| Aug 7, 2:36 PM EDT | Severe Thunderstorm Warning | JAX | Glynn | 39 min |
| Aug 7, 2:47 PM EDT | Severe Thunderstorm Warning | JAX | Coffee, Jeff Davis | 43 min |
| Aug 7, 3:33 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Charlton, Pierce, Ware | 28 min |
| Aug 7, 4:15 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Clinch, Echols, Ware | 45 min |
| Aug 7, 4:19 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Glynn, Wayne | 41 min |
| Aug 7, 4:33 PM EDT | Severe Thunderstorm Warning | JAX | Wayne | 36 min |
| Aug 7, 4:45 PM EDT | Areal Flood Advisory | JAX | Brantley, Camden, Glynn | 2 hr |
| Aug 7, 4:47 PM EDT | Areal Flood Advisory | JAX | Atkinson, Clinch, Ware | 118 min |
| Aug 7, 4:54 PM EDT | Areal Flood Advisory | JAX | Appling, Wayne | 111 min |
| Aug 7, 4:54 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Camden, Glynn, Wayne | 1 min |
| Aug 7, 5:01 PM EDT | Severe Thunderstorm Warning | JAX | Camden, Glynn | 44 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2008Every severe thunderstorm warning in 2008
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.