Alert archive / Florida / Wind Chill Advisories in 2010
Wind Chill Advisory 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this wind chill advisory at Jan 2, 2010, 2:30 PM EST for 6 counties in Florida. It took effect at Jan 2, 2010, 11:00 PM EST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jan 2, 2010, 2:30 PM EST (19:30 UTC)
- In effect from
- Jan 2, 2010, 11:00 PM EST
- Expired
- Jan 3, 2010, 9:00 AM EST
- In force
- 10 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 19:31 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, 7.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2381 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -206 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before this wind chill advisory went out at Jan 2, 2:26 PM EST, 4 minutes earlier.
Area forecast discussion, Jan 2, 2:26 PM EST, 4 minutes before
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</html>Hazardous weather outlook, Jan 2, 4:02 AM EST, 10 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 402 AM EST SAT JAN 2 2010 FLZ039-042-043-048>052-055>057-060>062-065-031000- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 402 AM EST SAT JAN 2 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...EXCESSIVE COLD IMPACT... VERY COLD TEMPERATURES ARE EXPECTED OVER THE REGION FOR THE NEXT SEVERAL DAYS. MOST LOCATIONS WILL SEE FREEZING TEMPERATURES TONIGHT INTO SUNDAY MORNING...WITH THE NATURE COAST SEEING LOWS DROPPING INTO THE LOWER 20S IN SOME LOCATIONS. THESE COLD TEMPERATURES...COMBINED WITH WINDS STILL AROUND 10 MPH WILL ALSO CREATE VERY LOW WIND CHILLS TONIGHT. ...WIND AND SEA IMPACT... STRONG NORTH WINDS WILL CONTINUE OFFSHORE THIS MORNING. AS HIGH PRESSURE BUILDS DOWN FROM THE NORTH...WIND SPEEDS WILL DIMINISH SLIGHTLY...BUT REMAIN BREEZY FOR THE NEXT SEVERAL DAYS. ...FIRE WEATHER IMPACT... VERY DRY CONDITIONS EXPECTED THIS AFTERNOON. A RED FLAG WARNING HAS BEEN ISSUED FOR ALL BUT PINELLAS COUNTY THIS AFTERNOON DUE TO CRITICAL RELATIVE HUMIDITY VALUES BEING ANTICIPATED. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. ...EXCESSIVE COLD IMPACT... COLD TEMPERATURES WILL CONTINUE THROUGH MID WEEK. MUCH OF THE AREA WILL SEE NEAR OR BELOW FREEZING TEMPERATURES MONDAY THROUGH WEDNESDAY MORNINGS. ...FIRE WEATHER IMPACT... DRY CONDITIONS CONTINUE AT LEAST THROUGH WEDNESDAY AFTERNOON WITH RELATIVE HUMIDITIES EXPECTED TO BE NEAR OR BELOW CRITICAL VALUES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. MCNATT
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 3:45 AM EST | Freeze Warning | TBW | DeSoto, Hardee, Highlands, Polk | 29 hr |
| Jan 2, 3:45 AM EST | Hard Freeze Warning | TBW | Sumter | 29 hr |
| Jan 2, 3:49 AM EST | Wind Chill Watch | TBW | DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter | 11 hr |
| Jan 2, 1:55 PM EST | Red Flag Warning | TBW | DeSoto, Hardee, Highlands, Polk, Sumter | 27 hr |
| Jan 2, 2:28 PM EST | Freeze Watch | TBW | DeSoto, Hardee, Highlands, Polk | 25 hr |
| Jan 2, 2:28 PM EST | Hard Freeze Watch | TBW | Sumter | 25 hr |
| Jan 2, 4:15 PM EST | Fire Weather Watch | TBW | DeSoto, Hardee, Highlands, Polk, Sumter | 25 hr |
Nearby
Wind Chill Advisories in Florida, 2010Every wind chill advisory 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.