Alert archive / Florida / Red Flag Warnings in 2010
Red Flag Warning 10, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this red flag warning at Jan 12, 2010, 4:15 AM EST for 5 counties in Florida. It took effect at Jan 12, 2010, 11:00 AM EST. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 12, 2010, 4:15 AM EST (09:15 UTC)
- In effect from
- Jan 12, 2010, 11:00 AM EST
- Expired
- Jan 12, 2010, 6:00 PM EST
- In force
- 7 hr
- Issued by
- NWS Tampa Bay, FL
Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Polk County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 64 km from the middle of the area, began a volume at 09:14 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
Cape Canaveral, FL (KXMR), launched 00:00Z, 9.3 hours before the alert went out and 147 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
- 1698 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning 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 red flag warning went out at Jan 11, 4:51 PM EST, 11 hours 24 minutes earlier.
Area forecast discussion, Jan 11, 4:51 PM EST, 11 hours 24 minutes before
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</html>Hazardous weather outlook, Jan 11, 5:03 AM EST, 23 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 503 AM EST MON JAN 11 2010 FLZ039-042-043-048>052-055>057-060>062-065-112300- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 503 AM EST MON JAN 11 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...EXCESSIVE COLD IMPACT... TEMPERATURES BELOW FREEZING ACROSS THE AREA EARLY THIS MORNING WILL SLOWLY BEGIN TO RISE AFTER SUNRISE...ALLOWING THE HARD FREEZE AND FREEZE WARNINGS ALONG WITH THE WIND CHILL ADVISORY TO EXPIRE AROUND 900 AM. THE COLD AIRMASS WILL REMAIN IN PLACE TODAY WITH FREEZING TEMPERATURES AGAIN EXPECTED TONIGHT...WITH A HARD FREEZE OVER THE NORTH AND A FREEZE WARNING OVER THE CENTRAL AND SOUTH...AWAY FROM THE IMMEDIATE COAST. ...WIND AND SEA IMPACT... NORTH WINDS AROUND 20 KNOTS EARLY THIS MORNING WILL BE DIMINISHING WITH THE SMALL CRAFT ADVISORY EXPECTED TO EXPIRE MID-MORNING. ...FIRE WEATHER IMPACT... A VERY DRY AIRMASS TODAY WILL RESULT IN HUMIDITY WELL BELOW 35 PERCENT FOR EXTENDED DURATIONS TODAY. A RED FLAG WARNING WILL BE IN EFFECT FOR ALL COUNTIES EXCEPT PINELLAS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. ...EXCESSIVE COLD IMPACT... TEMPERATURES WILL BEGIN TO SLOWLY WARM...HOWEVER TUESDAY NIGHT AND EARLY WEDNESDAY MORNING WILL SEE BELOW FREEZING READING IN THE NORTH...WHERE A FREEZE WATCH HAS BEEN ISSUED. ...FIRE WEATHER IMPACT... A DRY AIRMASS WILL CONTINUE INTO MIDWEEK. A FIRE WEATHER WATCH WILL BE IN EFFECT ALL COUNTIES EXCEPT PINELLAS TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. RKR
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 4:38 AM EST | Freeze Warning | TBW | Sumter | 28 hr |
| Jan 12, 1:47 PM EST | Fire Weather Watch | TBW | 16 hr | |
| Jan 12, 3:33 PM EST | Frost Advisory | TBW | DeSoto, Hardee, Highlands, Polk | 17 hr |
| Jan 12, 3:33 PM EST | Hard Freeze Warning | TBW | 17 hr |
Nearby
Red Flag Warnings in Florida, 2010Every red flag 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.