Alert archive / Georgia / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 191
The Storm Prediction Center issued this severe thunderstorm watch at Apr 30, 2002, 5:30 PM CDT for Henry County, Houston County, Alabama; 5 counties in Florida; 22 counties in Georgia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 30, 2002, 5:30 PM CDT (22:30 UTC)
- Expired
- Apr 30, 2002, 10:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 29 counties
Henry County, AL, Houston County, AL, Gadsden County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Madison County, FL, Baker County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 5:54 PM CDT | Severe Thunderstorm Warning | TAE | Baker, Dougherty | 51 min |
| Apr 30, 5:58 PM CDT | Severe Thunderstorm Warning | TAE | Henry | 47 min |
| Apr 30, 6:00 PM CDT | Severe Thunderstorm Warning | TAE | Henry | 45 min |
| Apr 30, 6:01 PM CDT | Severe Thunderstorm Warning | TAE | Henry | 3 hr |
| Apr 30, 6:01 PM CDT | Severe Thunderstorm Warning | TAE | Calhoun | 74 min |
| Apr 30, 6:12 PM CDT | Severe Thunderstorm Warning | TAE | Calhoun, Clay, Early | 11 days |
| Apr 30, 6:41 PM CDT | Severe Thunderstorm Warning | TAE | Colquitt | 13 days |
| Apr 30, 8:21 PM CDT | Severe Thunderstorm Warning | TAE | Randolph | 31 days |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.5 hours before the alert went out and 94 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
- 883 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 302224 SEL1 SPC WW 302219 ALZ000-FLZ000-GAZ000-010300- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 191 STORM PREDICTION CENTER NORMAN OK 619 PM EDT TUE APR 30 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EXTREME SOUTHEAST ALABAMA NORTH CENTRAL FLORIDA SOUTHWEST GEORGIA EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 630 PM UNTIL 1100 PM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 50 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTH NORTHWEST OF MARIANNA FLORIDA TO 20 MILES NORTH NORTHEAST OF VALDOSTA GEORGIA. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION... CONTINUE...WW 189...WW 190... DISCUSSION...ISOLATED SEVERE/SUPERCELL STORMS ARE ONGOING OVER SOUTHEAST AL AND SOUTHWEST GA. THESE STORMS ARE EXPECTED TO TRACK SOUTHWARD FOR A FEW MORE HOURS INTO MOIST/UNSTABLE AIRMASS. LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...HART 315,0851 314,0830 301,0830 302,0851 WWUS20 KWNS 302224 SEL1 SPC WW 302219 ALZ000-FLZ000-GAZ000-010300- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 191 STORM PREDICTION CENTER NORMAN OK 619 PM EDT TUE APR 30 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF EXTREME SOUTHEAST ALABAMA NORTH CENTRAL FLORIDA SOUTHWEST GEORGIA EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 630 PM UNTIL 1100 PM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 50 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTH NORTHWEST OF MARIANNA FLORIDA TO 20 MILES NORTH NORTHEAST OF VALDOSTA GEORGIA. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION... CONTINUE...WW 189...WW 190... DISCUSSION...ISOLATED SEVERE/SUPERCELL STORMS ARE ONGOING OVER SOUTHEAST AL AND SOUTHWEST GA. THESE STORMS ARE EXPECTED TO TRACK SOUTHWARD FOR A FEW MORE HOURS INTO MOIST/UNSTABLE AIRMASS. LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...HART 315,0851 314,0830 301,0830 302,0851
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 10:00 AM CDT | Severe Thunderstorm Watch | SPC | Blount, Calhoun, Cherokee, Clay, Cleburne, Colbert and 17 more | 5 hr |
| Apr 30, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 31 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Georgia, 2002Severe Thunderstorm Watches in Florida, 2002Severe Thunderstorm Watches in Alabama, 2002Every severe thunderstorm watch in 2002
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.