Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 60, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 9, 1998, 4:28 AM EDT for Madison County, Florida. It was in force for 32 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 9, 1998, 4:28 AM EDT (08:28 UTC)
- Expired
- Apr 9, 1998, 5:00 AM EDT
- In force
- 32 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Madison County, FL
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 9, 2:30 AM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.5 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
- 1577 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 311 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 9.0
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 Apr 9, 4:00 AM EDT, 28 minutes earlier.
Area forecast discussion, Apr 9, 4:00 AM EDT, 28 minutes before
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</html>In the hours before
Local storm report, Apr 9, 2:51 AM EDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
251 AM EDT THU APR 09 1998
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1250 AM TIFTON GA .75 INCH HAIL
04/09/98 TIFT MARBLE TO DIME SIZED HAIL
COVERING THE GROUND.
0110 AM OCILLA GA .88 INCH HAIL
04/09/98d IRWIN NICKEL SIZED HAIL AT
SHERIFFS OFFICE.The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 9:39 PM EDT | Severe Thunderstorm Warning | TAE | Jackson | 31 min |
| Apr 9, 3:42 AM EDT | Severe Thunderstorm Warning | TAE | Wakulla | 33 min |
| Apr 9, 1:45 AM EDT | Severe Thunderstorm Warning | TAE | Tift | 30 min |
| Apr 9, 1:57 AM EDT | Severe Thunderstorm Warning | TAE | Irwin | 33 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; the sounding from the Mesonet's radiosonde archive.