Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 16, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this red flag warning at Apr 9, 2012, 4:40 AM EDT for Polk County, Florida. It took effect at Apr 9, 2012, 12:00 PM EDT. 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
- Apr 9, 2012, 4:40 AM EDT (08:40 UTC)
- In effect from
- Apr 9, 2012, 12:00 PM EDT
- Expired
- Apr 9, 2012, 7:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Tampa Bay, FL
County Polk County, FL
The radar
The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 08:46 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, 8.7 hours before the alert went out and 74 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
- 1898 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
700 WWUS82 KTBW 090840 RFWTBW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 440 AM EDT MON APR 9 2012 ...RED FLAG WARNING FOR LEE AND POLK COUNTIES THIS AFTERNOON... .FOUR HOURS OR MORE OF LOW RELATIVE HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON. FLZ052-065-092300- /O.NEW.KTBW.FW.W.0016.120409T1600Z-120409T2300Z/ POLK-LEE- 440 AM EDT MON APR 9 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING FOR POLK AND LEE COUNTIES... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING. * AFFECTED AREA...POLK...LEE. * WIND...EAST 5 TO 10 MPH BECOMING WEST BY AFTERNOON. * HUMIDITY...25 TO 30 PERCENT IN THE AFTERNOON. * 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. && $$ JOHNSON
1 follow-up statement
754 WWUS82 KTBW 091758 RFWTBW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 158 PM EDT MON APR 9 2012 ...RED FLAG WARNING FOR LEE AND POLK COUNTIES THIS AFTERNOON... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR POLK COUNTY... .A COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES ABOVE 35 WILL CONTINUE TO PRODUCE RED FLAG CONDITIONS ACROSS POLK AND LEE COUNTIES THROUGH EARLY EVENING. SIMILAR CONDITIONS ARE EXPECTED FOR INLAND ZONES ON TUESDAY AND A FIRE WEATHER WATCH HAS BEEN ISSUED FOR POLK COUNTY. FLZ052-101100- /O.NEW.KTBW.FW.A.0006.120410T1600Z-120410T2300Z/ /O.CON.KTBW.FW.W.0016.000000T0000Z-120409T2300Z/ POLK- 158 PM EDT MON APR 9 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. * AFFECTED AREA...POLK. * WIND...LIGHT AND VARIABLE WIND BECOMING WEST 6 TO 10 MPH TUESDAY AFTERNOON. * HUMIDITY...AROUND 30 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD. && $$ FLZ065-092300- /O.CON.KTBW.FW.W.0016.000000T0000Z-120409T2300Z/ LEE- 158 PM EDT MON APR 9 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR... * AFFECTED AREA...LEE. * WIND...VARIABLE WIND BECOME WEST 6 TO 9 MPH BY LATE AFTERNOON. * HUMIDITY...AROUND 30 PERCENT. * 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. && $$ 14-MROCZKA
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 1:58 PM EDT | Fire Weather Watch | TBW | Polk | 15 hr |
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.