Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 9, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this red flag warning at Feb 25, 2012, 3:13 AM EST for Pinellas County, Polk County, Sumter County, Florida. It took effect at Feb 25, 2012, 10:00 AM EST. It was in force for 8 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
- Feb 25, 2012, 3:13 AM EST (08:13 UTC)
- In effect from
- Feb 25, 2012, 10:00 AM EST
- Expired
- Feb 25, 2012, 6:00 PM EST
- In force
- 8 hr
- Issued by
- NWS Tampa Bay, FL
Counties Pinellas County, FL, Polk County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 58 km from the middle of the area, began a volume at 08:15 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 00:00Z, 8.2 hours before the alert went out and 58 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
- 217 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
871 WWUS82 KTBW 250813 RFWTBW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 313 AM EST SAT FEB 25 2012 ...RED FLAG WARNING IN EFFECT PORTIONS OF THE AREA... .DRY AIR WILL MOVE INTO THE AREA FROM THE NORTH TODAY. LONG DURATIONS OF RELATIVE HUMIDITY LESS THAN 35 PERCENT ALONG WITH NORTHERLY WINDS OF 15 MPH OR HIGHER WILL CREATE RED FLAG CONDITIONS ACROSS PORTIONS OF WEST CENTRAL FLORIDA FROM LATE THIS MORNING THROUGH THE EARLY EVENING HOURS. FLZ039-042-043-048>052-252300- /O.NEW.KTBW.FW.W.0009.120225T1500Z-120225T2300Z/ LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- 313 AM EST SAT FEB 25 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST THIS EVENING FOR LEVY...CITRUS...SUMTER...HERNANDO...PASCO... PINELLAS...HILLSBOROUGH...AND POLK COUNTIES. THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST THIS EVENING. * AFFECTED AREA...LEVY...CITRUS...SUMTER...HERNANDO...PASCO... PINELLAS...HILLSBOROUGH...POLK. * WIND...NORTH TO NORTHEAST WINDS AROUND 15 MPH WITH GUSTS OF UP TO 25 MPH LATE THIS MORNING AND AFTERNOON. * HUMIDITY...25 TO 30 PERCENT FOR 5 TO 7 HOURS FROM THE TAMPA BAY AREA NORTHWARD. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. && $$ JOHNSON
Nearby
Red Flag Warnings in Florida, 2012Every red flag warning in 2012
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.