Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 31, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 28, 1997, 11:54 AM CST for Washington County, Florida. It was in force for 36 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, 1997, 11:54 AM CST (17:54 UTC)
- Expired
- Mar 28, 1997, 12:30 PM CST
- In force
- 36 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Washington County, FL
The radar
The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 17:55 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.
The nearest sounding before it
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 5.9 hours before the alert went out and 81 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
- 729 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTLH 281757 RRA SVRTLH FLC133-281830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 1254 PM EST (1154 AM CST) FRI MAR 28 1997 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 PM EST (1230 PM CST) FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST FLORIDA ...WASHINGTON COUNTY NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN WASHINGTON COUNTY OVER THE TOWN OF VERNON. THIS STORM IS MOVING EAST AT 35 TO 40 MPH. SEVERE THUNDERSTORMS PRODUCE WINDS OF 58 MPH OR HIGHER... LARGE HAIL... DANGEROUS LIGHTNING AND VERY HEAVY RAIN. IF YOU ARE IN THE PATH OF THIS STORM... GO TO A SAFE PLACE IMMEDIATELY.
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 Mar 28, 9:00 AM CST, 2 hours 54 minutes earlier.
Area forecast discussion, Mar 28, 9:00 AM CST, 2 hours 54 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 1000 AM EST FRI MAR 28 1997 ST AND SOME FOG STILL LINGERING ACRS FA THIS MORNING...BUT SHUD SEE CEILINGS COME UP DRG NEXT HR OR TWO. 88DS DETECTING WIDELY SCT SHWRS DVLPNG ACRS EXTRM WRN FL PNHNDL AND SE AL MOVG ENE. CRNT ZONES LOOK FINE FOR THIS AFTN...BUT THNK POPS FOR TONITE ACRS ERN SECTIONS OF FA WILL HAVE TO BE REEVALUATED WHEN NEW MDL RUNS COME IN. OTHERWISE EVERYTHING LOOKS FINE.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 12:26 PM CST | Severe Thunderstorm Warning | TAE | Jackson | 34 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.