Alert archive / Florida / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 64, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 18, 2009, 5:39 PM EDT for Charlotte County, Manatee County, Sarasota County, Florida. It was in force for 51 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 18, 2009, 5:39 PM EDT (21:39 UTC)
- Expired
- Jun 18, 2009, 6:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
Counties Charlotte County, FL, Manatee County, FL, Sarasota County, FL
The radar
The Tampa radar (KTBW), 60 km from the middle of the area, began a volume at 21:40 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 11:49 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 9.7 hours before the alert went out and 60 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
- 1767 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:52 PM EDT | Special Weather Statement | TBW | Hillsborough | 53 min |
| Jun 17, 9:18 PM EDT | Special Marine Warning | TBW | 57 min | |
| Jun 17, 9:19 PM EDT | Severe Thunderstorm Warning | TBW | Manatee, Sarasota | 26 min |
| Jun 17, 9:44 PM EDT | Severe Thunderstorm Warning | TBW | Manatee, Sarasota | 34 min |
| Jun 18, 1:44 PM EDT | Special Weather Statement | TBW | Levy | 46 min |
| Jun 18, 1:46 PM EDT | Severe Thunderstorm Warning | TBW | Levy | 29 min |
| Jun 18, 2:13 PM EDT | Special Weather Statement | TBW | Sumter | 47 min |
| Jun 18, 2:14 PM EDT | Severe Thunderstorm Warning | TBW | Levy | 21 min |
| Jun 18, 2:19 PM EDT | Special Weather Statement | TBW | Citrus | 41 min |
| Jun 18, 2:45 PM EDT | Special Weather Statement | TBW | Levy | 60 min |
| Jun 18, 2:53 PM EDT | Special Weather Statement | TBW | Sumter | 52 min |
| Jun 18, 3:12 PM EDT | Severe Thunderstorm Warning | TBW | Levy | 32 min |
| Jun 18, 3:17 PM EDT | Special Weather Statement | TBW | Hernando | 58 min |
| Jun 18, 3:34 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Pasco, Polk | 26 min |
| Jun 18, 4:01 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Polk | 44 min |
| Jun 18, 4:08 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 35 min |
| Jun 18, 4:32 PM EDT | Special Weather Statement | TBW | Hardee, Highlands | 58 min |
| Jun 18, 4:45 PM EDT | Special Weather Statement | TBW | Manatee | 60 min |
| Jun 18, 5:04 PM EDT | Special Weather Statement | TBW | DeSoto, Hardee, Highlands | 41 min |
| Jun 18, 5:21 PM EDT | Special Weather Statement | TBW | Charlotte | 54 min |
| Jun 18, 5:47 PM EDT | Special Marine Warning | TBW | 58 min | |
| Jun 18, 6:07 PM EDT | Special Weather Statement | TBW | Charlotte, Lee | 53 min |
| Jun 18, 6:10 PM EDT | Special Weather Statement | TBW | Charlotte, Lee | 50 min |
| Jun 18, 6:22 PM EDT | Special Marine Warning | TBW | 53 min | |
| Jun 18, 6:45 PM EDT | Areal Flood Advisory | TBW | Lee | 60 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2009Every severe thunderstorm warning in 2009
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.