Alert archive / Florida / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 147, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 7, 2019, 1:31 PM CDT for Walton County, Florida. It was in force for 29 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
- Jun 7, 2019, 1:31 PM CDT (18:31 UTC)
- Expired
- Jun 7, 2019, 2:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Walton County, FL
The radar
The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 18:32 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
Birmingham, AL (KBMX), launched 12:00Z, 6.5 hours before the alert went out and 291 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
- 1134 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
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 Jun 7, 12:29 PM CDT, 1 hour 2 minutes earlier.
Area forecast discussion, Jun 7, 12:29 PM CDT, 1 hour 2 minutes before
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</html>The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 5:13 AM CDT | Special Weather Statement | TAE | Walton | 47 min |
| Jun 7, 10:42 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 7, 11:35 AM CDT | Severe Thunderstorm Warning | TAE | Holmes, Washington | 25 min |
| Jun 7, 1:31 PM CDT | Flash Flood Watch | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 38 hr |
| Jun 7, 1:41 PM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 7, 1:59 PM CDT | Severe Thunderstorm Warning | TAE | Walton | 19 min |
| Jun 7, 3:54 PM CDT | Special Weather Statement | TAE | Liberty | 51 min |
| Jun 7, 4:49 PM CDT | Special Weather Statement | TAE | Franklin, Wakulla | 41 min |
| Jun 7, 5:13 PM CDT | Special Marine Warning | TAE | 47 min | |
| Jun 7, 2:00 PM CDT | Special Weather Statement | TAE | Quitman | 30 min |
| Jun 7, 4:45 PM CDT | Special Weather Statement | TAE | Lee | 45 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2019Every severe thunderstorm warning in 2019
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.