Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 59, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at May 12, 2001, 8:07 PM EDT for Madison County, Florida. It was in force for 38 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 12, 2001, 8:07 PM EDT (00:07 UTC)
- Expired
- May 12, 2001, 8:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Madison County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 12, 8:20 PM EDT | Hail 0.88 | Madison, FL | Nickel size hail reported by a spotter in Madison and a deputy sheriff between Madison and Greenville. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.1 hours before the alert went out and 80 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
- 792 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1562 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTAE 130015 SVRTLH FLC079-130045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED NATIONAL WEATHER SERVICE TALLAHASSEE FL 807 PM EDT SAT MAY 12 2001 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MADISON COUNTY IN FLORIDA * UNTIL 845 PM EDT... * AT 807 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL OVER HAMBURG...OR ABOUT 8 MILES NORTHWEST OF MADISON...MOVING EAST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CHERRY LAKE BY 835 PM EDT... HANSON...PINETTA BY 845 PM EDT... THE MAIN THREAT FROM THIS STORM IS LARGE HAIL. LAT...LON 306E5 8359 3048 8364 3036 8340 3060 8332 .END 5-MOLLERE
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 May 12, 1:15 PM EDT, 6 hours 52 minutes earlier.
Area forecast discussion, May 12, 1:15 PM EDT, 6 hours 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 115 PM EDT SAT MAY 12 2001 17Z MSAS SURFACE ANALYSIS SHOWS E-W RIDGE FROM GULF COAST STATES INTO ATLANTIC. COLD FRONT FROM CNTRL APPALACHIANS THRU TN INTO SRN PLAINS MAKING STEADY PROGRESS SEWD. VISIBLE SATELLITE LOOPS SHOW SEA BREEZE CU FORMING JUST INLAND OF TAYLOR & DIXIE CTY COAST. OTHER FEATURES WERE LINE OF TCU FORMING ALONG OUTFLOW BNDRY FROM MAI TO JUST E OF BBG (BAINBRIDGE) GA...AND LOW/MID CLOUDS OVER PORTIONS OF SE AL INTO SW/CNTRL GA. SCT SHWRS/ISOLD TSTMS PER KTLH 88D SLOWLY MOVING EWD ALONG A LINE FROM N OF DHN TO ABY TO NE OF TIFT CTY...AS WELL AS A FEW TSTMS ALONG AFOREMENTION BNDRY JUST N OF TLH. TEMPS OUTSIDE PCPN AREAS RISING INTO THE LOWER-MID 80S & WINDS WERE VARIABLE LESS THAN 10 MPH...EXCEPT SWLY NEAR BIG BEND COAST AS SEA BREEZE PUSHES INLAND. 12Z MODELS IN GOOD AGREEMENT W/ LOCATION/STRENGTH OF SYNOPTIC FEATURES THIS FCST CYCLE. IN THE MID/UPPER LEVELS...TROUGH OVER THE GREAT LAKES/OH VALLEY SHIFTS EWD TO MID-ATLANTIC/NEW ENGLAND AS BROAD RIDGE OVER WRN CONUS ADVANCES INTO THE PLAINS STATES. AT THE SURFACE...COLD FRONT MAKES FURTHER INROADS SE INTO SERN CONUS W/ NGM (PREFERRED SOLUTION) FASTER THAN ETA WHICH LAGS FRONT OVER NRN CWFA AT 12Z SUNDAY. EXPECT SCT CONVECTION ONGOING AT PRESS TIME AS SEA BREEZE FRONT INTERACTS W/ OUTFLOW BNDRYS FROM ACTIVITY OVER NRN AREAS. CANNOT RULE OUT A FEW STRONG STORMS W/ HAIL LATE THIS AFTN THRU EARLY EVENING DUE TO MUCAPES FROM 2000-2500 J/KG & RELATIVELY STEEP LAPSE RATES. SHWRS/TSTMS SHOULD DIMINISH OVERNIGHT FROM NW TO SE AS THE COLD FRONT MOVES INTO THE CWFA OVERNIGHT. HIGH PRESSURE OVER THE MIDWEST SETTLES SWD & TAKES RESIDENCE OVER THE SERN CONUS SUNDAY NIGHT & MON. MUCH DRIER AIR FILTERS INTO THE CWFA SUNDAY AFTN AS MEAN RH VALUES DROP TO 30% OR LESS MONDAY MORNING. WILL KEEP CHANCE POPS GOING (30-40%) FIRST PERIOD...THEN NIL SUNDAY THRU MONDAY NIGHT. FAVORED FWC POPS OVER FAN/MAV...AND FWC TEMPS. LATEST MRF HAS SURFACE RIDGE OVER GULF STATES WEAKENING & RETROGRADING SWWD AS SHORTWAVE/FRONT ON E SIDE OF PLAINS MID/UPPER RIDGE RIDES SWD INTO CWFA LATE WED...EXITING THURSDAY NIGHT. LOOKS DRY FRIDAY...W/ NEXT CHANCE OF RAIN SATURDAY NIGHT & SUNDAY AS ANOTHER FRONT APPROACHES THE CWFA FROM THE NW. TEMPS WILL AVERAGE NEAR CLIMO THRU THE EXTENDED PERIOD. WINDS VEER FROM SW TO NW & INCREASE AS FRONT DROPS SEWD ACROSS THE WATERS OVERNIGHT W/ CONVECTION ENDING AFTER WIND SHIFT. MODERATE NLY WINDS SUNDAY BECOME GUSTY NELY SUNDAY NIGHT & MONDAY...POSSIBLY AT SCEC LEVELS AS PRESSURE GRADIENT TIGHTENS. WINDS & SEAS DIMINISH BY MID WEEK AS SURFACE RIDGE SETTLES OVER THE MARINE AREA. A FIRE WEATHER WATCH WILL BE ISSUED FOR SUNDAY AFTN AS INCREASING SUBSIDENCE ALLOWS MIN RH VALUES OF 30-35% FOR MARGINAL DURATIONS. RED FLAG CONDITIONS LOOM ON THE HORIZON FOR MONDAY. PRELIM CCF... TLH UU 060/087 053/088 4-00 PFN UU 065/085 061/083 4-00 DHN UU 063/085 058/086 3000 ABY UU 062/085 055/087 3000 VLD UU 062/087 054/088 4-00 .TLH... AL...NONE. GA...NONE. FL...FIRE WEATHER WATCH ALL BUT THE IMMEDIATE COAST SUNDAY AFTN. MAJ
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.