Alert archive / Georgia / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 74, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 5, 2008, 2:16 PM EDT for Hamilton County, Florida; Clinch County, Echols County, Georgia. It was in force for 44 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
- Apr 5, 2008, 2:16 PM EDT (18:16 UTC)
- Expired
- Apr 5, 2008, 3:00 PM EDT
- In force
- 44 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Hamilton County, FL, Clinch County, GA, Echols County, GA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 5, 11:25 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.3 hours before the alert went out and 143 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
- 1506 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 493 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.6
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 Apr 5, 2:15 PM EDT, 1 minute earlier.
Area forecast discussion, Apr 5, 2:15 PM EDT, 1 minute before
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</html>Hazardous weather outlook, Apr 5, 11:41 AM EDT, 2 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE JACKSONVILLE FL 1141 AM EDT SAT APR 5 2008 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-061000- 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- 1141 AM EDT SAT APR 5 2008 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST GEORGIA AND NORTHEAST FLORIDA THROUGH 7 PM... ...A MODERATE RIP CURRENT RISK CONTINUES FOR AREA BEACHES... STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO THIS EVENING WITH THE APPROACH OF AN UPPER LEVEL DISTURBANCE AND SURFACE COLD FRONT. LOCALLY HEAVY RAINFALL...HAIL...AND DAMAGING WINDS ARE POSSIBLE WITH THE STRONGER STORMS. STORMS WILL CONTINUE TO AFFECT THE SUWANNEE RIVER VALLEY OF NORTHEAST FLORIDA AND SOUTHEAST GEORGIA EARLY THIS AFTERNOON AND MOVE NORTHEAST AROUND 30 TO 40 MPH. STORMS WILL ADVANCE EAST TOWARD THE FLORIDA ATLANTIC COAST LATE THIS AFTERNOON INTO THE EVENING HOURS. LINGERING OCEAN SWELLS WILL MAINTAIN A MODERATE RIP CURRENT RISK FOR AREA BEACHES. PLEASE REFER TO THE SURF ZONE FORECAST FOR ADDITIONAL INFORMATION. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... THUNDERSTORMS CAN BE EXPECTED SUNDAY AND MONDAY MAINLY OVER NORTHEAST FLORIDA. LOCALLY HEAVY DOWNPOURS...GUSTY WINDS...SMALL HAIL...AND FREQUENT CLOUD TO GROUND LIGHTNING CAN BE EXPECTED IN THE STRONGER STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED TODAY AND THIS EVENING. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX. ENYEDI
In the hours before
Special weather statement, Apr 5, 12:45 PM EDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 1245 PM EDT SAT APR 5 2008 FLZ020>023-051730- BAKER-COLUMBIA-HAMILTON-SUWANNEE- 1245 PM EDT SAT APR 5 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR SOUTHEASTERN SUWANNEE...WESTERN BAKER...COLUMBIA AND SOUTHEASTERN HAMILTON COUNTIES FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 130 PM EDT... AT 1245 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED 10 MILES SOUTHEAST OF BELMONT...OR 11 MILES NORTHEAST OF WHITE SPRINGS...MOVING NORTHEAST AT 35 MPH. THESE STRONG THUNDERSTORMS WILL AFFECT AREAS AROUND SUWANNEE VALLEY AND BELMONT THROUGH 130 PM EDT. SMALL HAIL...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. OTHER THUNDERSTORMS WERE DEVELOPING OVER EASTERN SUWANNEE AND EASTERN HAMILTON COUNTIES MOVING NORTHEAST AT 30 MPH...AND THESE MAY PRODUCE FREQUENT LIGHTING AND SMALL HAIL AS WELL. THE AREA REMAINS UNDER A SEVERE THUNDERSTORM WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. SHASHY
Special weather statement, Apr 5, 1:02 PM EDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 102 PM EDT SAT APR 5 2008 GAZ132-134>136-149>152-163-164-051800- APPLING-ATKINSON-BACON-BRANTLEY-CHARLTON-CLINCH-COFFEE-PIERCE-WARE- WAYNE- 102 PM EDT SAT APR 5 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHWESTERN CHARLTON...NORTHERN CLINCH...BRANTLEY...SOUTHEASTERN ATKINSON... WARE...PIERCE...SOUTHEASTERN COFFEE...WAYNE...APPLING AND BACON COUNTIES FOR STRONG WINDS AND EXCESSIVE LIGHTNING VALID UNTIL 200 PM EDT... AT 102 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF BAXLEY TO 5 MILES NORTHEAST OF MILLWOOD TO 17 MILES WEST OF DU PONT...MOVING EAST AT 45 MPH. THIS STRONG THUNDERSTORM WILL ALSO AFFECT AREAS AROUND PEARSON...NICHOLLS...BICKLEY...BAXLEY... AXSON...ALMA...MILLWOOD...SURRENCY...NEW LACY AND DIXIE UNION THROUGH 200 PM EDT. EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING AREAS. THE AREA REMAINS UNDER A SEVERE THUNDERSTORM WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. ENYEDI
Special weather statement, Apr 5, 1:38 PM EDT, 38 minutes before
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</html>Local storm report, Apr 5, 1:47 PM EDT, 29 minutes before
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</html>Special weather statement, Apr 5, 2:08 PM EDT, 8 minutes before
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</html>Local storm report, Apr 5, 2:15 PM EDT, 1 minute 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 |
|---|---|---|---|---|
| Apr 4, 8:34 PM EDT | Special Marine Warning | JAX | 57 min | |
| Apr 5, 12:55 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 50 min |
| Apr 5, 1:15 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Union | 45 min |
| Apr 5, 1:27 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton, Suwannee | 48 min |
| Apr 5, 1:42 PM EDT | Special Marine Warning | JAX | 2 hr | |
| Apr 5, 1:50 PM EDT | Severe Thunderstorm Warning | JAX | Marion | 49 min |
| Apr 5, 2:01 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Putnam | 44 min |
| Apr 5, 3:29 PM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 29 min |
| Apr 5, 3:32 PM EDT | Special Marine Warning | JAX | 118 min | |
| Apr 5, 3:32 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 43 min |
| Apr 5, 4:13 PM EDT | Severe Thunderstorm Warning | JAX | Marion | 47 min |
| Apr 5, 4:15 PM EDT | Severe Thunderstorm Warning | JAX | Duval | 20 min |
| Apr 5, 5:00 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Suwannee | 75 min |
| Apr 5, 5:34 PM EDT | Special Marine Warning | JAX | 116 min | |
| Apr 5, 5:38 PM EDT | Special Marine Warning | JAX | 52 min | |
| Apr 5, 5:41 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Gilchrist | 49 min |
| Apr 5, 6:14 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Bradford, Columbia, Union | 61 min |
| Apr 5, 6:30 PM EDT | Severe Thunderstorm Warning | JAX | Alachua | 60 min |
| Apr 5, 7:03 PM EDT | Severe Thunderstorm Warning | JAX | Bradford, Clay | 72 min |
| Apr 5, 7:37 PM EDT | Special Marine Warning | JAX | 113 min | |
| Apr 5, 6:29 AM EDT | Severe Thunderstorm Warning | JAX | Clinch, Ware | 46 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2008Severe Thunderstorm Warnings in Florida, 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.