Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 107, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at May 7, 1998, 6:09 AM EDT for Jefferson County, Madison County, Florida. It was in force for 51 min. 3 reports 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 7, 1998, 6:09 AM EDT (10:09 UTC)
- Expired
- May 7, 1998, 7:00 AM EDT
- In force
- 51 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Jefferson County, FL, Madison County, FL
The radar
The Tallahassee radar (KTLH), 62 km from the middle of the area, began a volume at 09:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 6:15 AM EDT | Thunderstorm Wind | Dills, FL | Trees down along State Highway 146 10 miles north of Aucilla near Dills. |
| May 7, 6:25 AM EDT | Thunderstorm Wind | Greenville, FL | Trees down along U.S. Highway 90 in southeast Greenville. |
| May 7, 6:35 AM EDT | Thunderstorm Wind | Madison, FL | Trees down at intersection of Interstate 10 and State Highway 14. |
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, 10.2 hours before the alert went out and 59 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2143 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 7, 4:00 AM EDT, 2 hours 9 minutes earlier.
Area forecast discussion, May 7, 4:00 AM EDT, 2 hours 9 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 400 AM EDT THU MAY 7 1998 00Z 6 HR ETA MODEL FIELDS VERIFIED SLIGHTLY BETTER THAN NGM WITH ETA PICKING UP ON CONVECTION THAT FIRED ACRS SE AL AND SW GA TONIGHT BOTH IN PRECIP AND VORTICITY FIELDS. SO WILL LEAN WITH ETA FOR THIS FORECAST...ALTHO PRETTY SIMILAR TO NGM. ETA TRACKS SFC LOW FROM ARK TO VA THRU PD. UPR LO IN IL AT 18Z WILL DROP INTO MID ATLC STATES AS VORT MAX SLIDES ACROSS N AL/N GA AND SC TONIGHT INTO FRI MORN. APRS MOST OF THE HEAVY WEATHER SHOULD STAY TO THE NORTH OF THE FA BUT COULD CLIP OUR NRN SW AND S CNTRL GA COUNTIES. FOR TDY...THINK 30 POPS IN ORDER ACRS N FL ZNS...MAY NEED HIER FOR OUR GA CWA...ESPEC BY TONIGHT. TONIGHT...CAN KEEP SLGT CHC POPS FL BIG BEND TO HIGH CHC POPS GA CWA. BEST ETA CAPES FROM CNTRL AL 2000+ AT 00Z THIS EVE TO CNTRL GA 2000+ AT 06Z TONIGHT. ETA HELICITIES HIGHEST CNTRL AL/GA THRU 06Z WITH ETA BEST LIS TRACKING JUST NORTH OF OUR FA BTWN 00Z AND 06Z TONIGHT. FRI...LOOKS LIKE THINGS WILL DRY OUT A BIT AND HEAT UP WITH GUID HI TEMPS IN THE LWR 90S...MAY AGAIN NEED 10 OR 20 POP FOR ISOLD AFTN TSTMS ESPEC ERN PORTIONS OF FA. OTHERWISE NGM/AVN GUID TEMPS CLOSE SO NO PROB THERE. VOLKMER
In the hours before
Local storm report, May 7, 5:50 AM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
550 AM EDT THU MAY 07 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
410 AM BRIDGEBORO GA .75 INCH HAIL
05/07/98 WORTH DIME SIZED HAIL REPORT
RELAYED BY ALBANY TV STATION.
415 AM TICKNOR GA .75 INCH HAIL
05/07/98 WORTH DIME SIZE HAIL REPORT RELAYED
FROM COUNTY SHERIFFS OFFICE.
430 AM 3 N MOULTRIE GA .88 INCH HAIL
05/07/98 COLQUITT NICKEL SIZE HAIL REPORT FROMLocal storm report, May 7, 5:50 AM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
550 AM EDT THU MAY 07 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
410 AM BRIDGEBORO GA .75 INCH HAIL
05/07/98 WORTH DIME SIZED HAIL REPORT
RELAYED BY ALBANY TV STATION.
415 AM TICKNOR GA .75 INCH HAIL
05/07/98 WORTH DIME SIZE HAIL REPORT RELAYED
FROM COUNTY SHERIFFS OFFICE.
430 AM 3 N MOULTRIE GA .88 INCH HAIL
05/07/98 COLQUITT NICKEL SIZE HAIL REPORT FROMThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 6:08 AM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Madison | 52 min |
| May 7, 7:00 AM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Madison | 60 min |
| May 7, 8:04 AM EDT | Severe Thunderstorm Warning | TAE | Madison | 46 min |
| May 7, 5:10 AM EDT | Severe Thunderstorm Warning | TAE | Colquitt, Worth | 65 min |
| May 7, 6:26 AM EDT | Severe Thunderstorm Warning | TAE | Brooks | 49 min |
| May 7, 6:36 AM EDT | Severe Thunderstorm Warning | TAE | Lowndes | 64 min |
| May 7, 2:37 AM EDT | Severe Thunderstorm Warning | TAE | Henry | 63 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1998Every severe thunderstorm warning in 1998
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; radar from the NEXRAD Level II archive.