Alert archive / Florida / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 106, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Dec 12, 2010, 2:45 AM CST for Bay County, Calhoun County, Gulf County, Florida. It was in force for 45 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
- Dec 12, 2010, 2:45 AM CST (08:45 UTC)
- Expired
- Dec 12, 2010, 3:30 AM CST
- In force
- 45 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Bay County, FL, Calhoun County, FL, Gulf County, FL
The radar
The Eglin Afb radar (KEVX), 68 km from the middle of the area, began a volume at 08:45 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
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.8 hours before the alert went out and 105 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
- 988 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Dec 12, 2:20 AM CST, 25 minutes earlier.
Area forecast discussion, Dec 12, 2:20 AM CST, 25 minutes before
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Special weather statement, Dec 12, 1:06 AM CST, 1 hour 39 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 |
|---|---|---|---|---|
| Dec 11, 7:51 PM CST | Gale Warning | TAE | 39 hr | |
| Dec 11, 8:00 PM CST | Hard Freeze Watch | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more | 8 hr |
| Dec 12, 1:19 AM CST | Severe Thunderstorm Warning | TAE | Holmes, Walton, Washington | 41 min |
| Dec 12, 1:25 AM CST | Severe Thunderstorm Warning | TAE | Walton | 35 min |
| Dec 12, 1:37 AM CST | Special Marine Warning | TAE | 68 min | |
| Dec 12, 2:01 AM CST | Severe Thunderstorm Warning | TAE | Bay, Walton, Washington | 44 min |
| Dec 12, 2:35 AM CST | Special Marine Warning | TAE | 85 min | |
| Dec 12, 2:47 AM CST | Rip Current Statement | TAE | Bay, Gulf, Walton | 30 hr |
| Dec 12, 3:54 AM CST | Special Marine Warning | TAE | 96 min | |
| Dec 12, 4:02 AM CST | Small Craft Advisory | TAE | 54 hr | |
| Dec 12, 4:14 AM CST | Hard Freeze Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 27 hr |
| Dec 12, 4:35 AM CST | Wind Chill Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 30 hr |
| Dec 12, 5:01 AM CST | Special Marine Warning | TAE | 74 min | |
| Dec 12, 1:18 PM CST | Red Flag Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 29 hr |
| Dec 12, 4:13 PM CST | Hard Freeze Watch | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 22 hr |
| Dec 12, 4:24 PM CST | High Surf Advisory | TAE | Bay, Gulf, Walton | 17 hr |
Nearby
Severe Thunderstorm Warnings in Florida, 2010Every severe thunderstorm warning in 2010
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.