Alert archive / Florida / Wind Chill Advisories in 2009
Wind Chill Advisory 7, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this wind chill advisory at Mar 1, 2009, 1:25 PM EST for 6 counties in Florida. It took effect at Mar 2, 2009, 3:00 AM EST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Mar 1, 2009, 1:25 PM EST (18:25 UTC)
- In effect from
- Mar 2, 2009, 3:00 AM EST
- Expired
- Mar 2, 2009, 8:00 AM EST
- In force
- 5 hr
- Issued by
- NWS Tampa Bay, FL
Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Pinellas County, FL, Polk County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 49 km from the middle of the area, began a volume at 18:26 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
Tampa Bay, FL (KTBW), launched 12:00Z, 6.4 hours before the alert went out and 49 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
- 183 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 899 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 3:27 AM EST | Lake Wind Advisory | TBW | DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter | 18 hr |
| Mar 1, 3:37 AM EST | High Surf Advisory | TBW | Pinellas | 41 hr |
| Mar 1, 3:49 AM EST | Fire Weather Watch | TBW | DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter | 35 hr |
| Mar 1, 6:25 AM EST | Special Marine Warning | TBW | 65 min | |
| Mar 1, 7:22 AM EST | Special Marine Warning | TBW | 53 min | |
| Mar 1, 9:47 AM EST | Special Marine Warning | TBW | 58 min | |
| Mar 1, 1:17 PM EST | Freeze Watch | TBW | Sumter | 15 hr |
| Mar 1, 1:28 PM EST | Red Flag Warning | TBW | DeSoto, Hardee, Highlands, Polk, Sumter | 30 hr |
| Mar 1, 6:02 PM EST | Freeze Warning | TBW | 14 hr |
Nearby
Wind Chill Advisories in Florida, 2009Every wind chill advisory 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.