Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 117, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Oct 24, 1997, 10:19 AM CDT for Bay County, Florida. It was in force for 46 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
- Oct 24, 1997, 10:19 AM CDT (15:19 UTC)
- Expired
- Oct 24, 1997, 11:05 AM CDT
- In force
- 46 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Bay County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 24, 10:35 AM CDT | Thunderstorm Wind 52 | Panama City Beach, FL | Severe thunderstorm winds downed power lines at residence on Albatross Lane. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 24, 9:15 AM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 3.3 hours before the alert went out and 87 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
- 1564 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 550 m²/s²
- Significant tornado parameter
- 5.0
- Supercell composite
- 18.6
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 Oct 24, 2:21 AM CDT, 7 hours 58 minutes earlier.
Area forecast discussion, Oct 24, 2:21 AM CDT, 7 hours 58 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 300 AM EDT FRI OCT 24 1997 WRM FRNT MOVES NWD INTO FA TDA AND S LLVL FLO WL INCRS GULF MSTR FLUX. AS THIS OCCURS... S/WV MOVES ALG NRN GLF COAST AND SWINGS THRU FA DURING THE AFTERNOON ACCOMPANIED BY PERHAPS THE MOST SIGNIFICANT SQUALL LINE EVENT YET THIS SEASON OVER FORECAST AREA. CONSIDERABLE UPR SUPPORT WITH 110KT 250 MB JET SHUD ENHANCE OMEGAS WITH BEST LIFT MOVG ACRS SE AL/SW GAr ABT 18Z. ATTM SQL BAND STARTING TO DVLP OVER WRN FL PNHNDL WITH MORE SIG SQL LN DVLPG ACRS S LA. LIKELY POPS WARRANTED IN ZFP FOR TDA WITH MAX TEMPS LIMITED TO UPR 70S WITH CLD CVR. #4
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 5:12 AM CDT | Severe Thunderstorm Warning | TAE | Walton | 33 min |
| Oct 24, 11:18 AM CDT | Tornado Warning | TAE | Bay | 32 min |
| Oct 24, 11:36 AM CDT | Tornado Warning | TAE | Calhoun | 64 min |
| Oct 24, 1:13 PM CDT | Severe Thunderstorm Warning | TAE | Gadsden | 47 min |
| Oct 24, 1:38 PM CDT | Tornado Warning | TAE | Gadsden, Leon | 47 min |
| Oct 24, 2:13 PM CDT | Tornado Warning | TAE | Leon, Wakulla | 47 min |
| Oct 24, 11:00 AM CDT | Tornado Warning | TAE | Dale, Houston | 50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.