Alert archive / Georgia / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 14, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Mar 28, 2009, 2:01 PM EDT for Coffee County, Jeff Davis 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
- Mar 28, 2009, 2:01 PM EDT (18:01 UTC)
- Expired
- Mar 28, 2009, 2:45 PM EDT
- In force
- 44 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Coffee County, GA, Jeff Davis 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 |
|---|---|---|---|
| Mar 28, 12:47 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 6.0 hours before the alert went out and 164 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
- 443 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 237 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 Mar 28, 9:52 AM EDT, 4 hours 9 minutes earlier.
Area forecast discussion, Mar 28, 9:52 AM EDT, 4 hours 9 minutes before
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</html>Hazardous weather outlook, Mar 28, 12:58 PM EDT, 1 hour 3 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 1258 PM EDT SAT MAR 28 2009 FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-290000- 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- 1258 PM EDT SAT MAR 28 2009 THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... ...TORNADO WATCH 90 IN EFFECT FOR SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS THROUGH 8 PM EDT... ...SEVERE STORMS POSSIBLE THIS AFTERNOON AND TONIGHT... ...HIGH RIP CURRENT RISK AT AREA BEACHES... THE TORNADO WATCH 90 INCLUDES THE FOLLOWING COUNTIES IN SOUTHEAST GEORGIA... APPLING...ATKINSON...BACON...BRANTLEY...CAMDEN...CHARLTON...CLINCH... COFFEE...ECHOLS...GLYNN...JEFF DAVIS...PIERCE...WARE...WAYNE. THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS... ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER APPROACH YOUR AREA. THIS AFTERNOON AND TONIGHT...A LINE OF THUNDERSTORMS PRECEDING A STRONG FRONT WILL MOVE INTO THE AREA. THE LINE WILL INITIALLY MOVE INTO SOUTHEAST GEORGIA AS AS WELL AS THE SUWANNEE VALLEY OF NORTHEAST FLORIDA AFTER 5 PM...THEN WILL MOVE ACROSS THE BALANCE OF NORTHEAST FLORIDA AND SOUTHEAST GEORGIA THROUGH THE OVERNIGHT. AHEAD OF THIS LINE...SCATTERED THUNDERSTORMS WILL WILL BE POSSIBLE ACROSS SOUTHEAST GEORGIA THIS AFTERNOON AS A STRONG WEATHER WEATHER DISTURBANCE MOVES THROUGH THIS AREA. SOME STORMS MAY BE SEVERE AND PRODUCE DAMAGING WINDS...HAIL...HEAVY RAINFALL AND POSSIBLE TORNADOES. THE LINE OF STORMS WILL WEAKEN TOWARD EARLY MORNING ON SUNDAY AND MOVE OFF THE COAST. DUE TO LONG PERIOD OCEAN SWELLS...THE RIP CURRENT RISK WILL BE IN THE HIGH CATEGORY AT AREA BEACHES. REFER TO THE SURF ZONE FORECAST FOR ADDITIONAL INFORMATION. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... THERE WILL BE A HIGH FIRE DANGER OVER SECTIONS OF NORTHEAST FLORIDA ON SUNDAY AFTERNOON DUE TO LOW RELATIVE HUMIDITY AND WINDY CONDITIONS. ANOTHER LOW PRESSURE AREA AND A FRONTAL BOUNDARY MAY PRODUCE A ROUND OF SHOWERS AND THUNDERSTORMS TUESDAY NIGHT AND WEDNESDAY AND POSSIBLY AGAIN ON THURSDAY. .SPOTTER INFORMATION STATEMENT... STORM SPOTTER ACTIVATION IS REQUESTED. PLEASE RELAY ANY REPORTS OF SEVERE WEATHER OR FLOODING TO THE NATIONAL WEATHER SERVICE AND LOCAL COUNTY EMERGENCY MANAGEMENT. 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, Mar 28, 1:33 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
133 PM EDT SAT MAR 28 2009
GAZ132-281815-
COFFEE-
133 PM EDT SAT MAR 28 2009
...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHWESTERN
COFFEE COUNTY FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING
VALID UNTIL 215 PM EDT...
AT 133 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CENTERED 27 MILES WEST OF AMBROSE...OR 14 MILES
WEST OF OCILLA...MOVING EAST AT 50 MPH. THIS THUNDERSTORM WILL ALSO
AFFECT AREAS AROUND AMBROSE...BROXTON AND PRIDGEN THROUGH 215 PM
EDT. AT A MINIMUM...HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE
EXPECTED ALONG WITH POSSIBLE DAMAGE. IF THIS THUNDERSTORM MAINTAINS
SEVERE LIMITS...A WARNING WILL BE REQUIRED.
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE DIRECTLY AT 1-800-499-1594.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SATURDAY EVENING
FOR SOUTHEAST GEORGIA.
LAT...LON 3170 8284 3167 8283 3164 8284 3162 8283
3156 8306 3160 8307 3167 8300 3177 8301
3180 8297 3179 8287 3180 8284
TIME...MOT...LOC 1733Z 253DEG 42KT 3158 8334
ZAPPEThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 4:20 AM EDT | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 17 hr |
| Mar 28, 4:36 AM EDT | Fire Weather Watch | JAX | Baker, Bradford, Gilchrist, Nassau, Suwannee, Union | 23 hr |
| Mar 28, 5:37 AM EDT | Coastal Flood Statement | JAX | Flagler, Nassau | 12 hr |
| Mar 28, 1:33 PM EDT | Special Weather Statement | JAX | Coffee | 42 min |
| Mar 28, 2:47 PM EDT | Special Weather Statement | JAX | Appling, Jeff Davis | 58 min |
| Mar 28, 3:25 PM EDT | Special Weather Statement | JAX | Coffee, Jeff Davis | 50 min |
| Mar 28, 3:32 PM EDT | Severe Thunderstorm Warning | JAX | Coffee, Jeff Davis | 43 min |
| Mar 28, 3:47 PM EDT | Areal Flood Advisory | JAX | Appling, Bacon, Coffee, Jeff Davis | 3 hr |
| Mar 28, 4:12 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Coffee, Jeff Davis, Wayne | 48 min |
| Mar 28, 4:29 PM EDT | Special Weather Statement | JAX | Bacon, Pierce, Wayne | 46 min |
| Mar 28, 4:35 PM EDT | Areal Flood Advisory | JAX | Appling, Atkinson, Bacon, Brantley, Clinch, Coffee and 4 more | 2 hr |
| Mar 28, 4:51 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Pierce, Wayne | 39 min |
| Mar 28, 5:37 PM EDT | Special Weather Statement | JAX | Appling, Pierce, Wayne | 38 min |
| Mar 28, 5:47 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson, Clinch, Coffee, Jeff Davis, Ware | 43 min |
| Mar 28, 6:35 PM EDT | Special Weather Statement | JAX | Pierce, Wayne | 40 min |
| Mar 28, 6:44 PM EDT | Special Weather Statement | JAX | Brantley | 46 min |
| Mar 28, 6:52 PM EDT | Areal Flood Advisory | JAX | Appling, Atkinson, Bacon, Brantley, Camden, Charlton and 7 more | 3 hr |
| Mar 28, 7:33 PM EDT | Special Weather Statement | JAX | Coffee | 42 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2009Every severe thunderstorm warning in 2009
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.