Alert archive / Florida / Red Flag Warnings in 2013
Red Flag Warning 13, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this red flag warning at Mar 9, 2013, 4:08 AM EST for Polk County, Florida. It took effect at Mar 9, 2013, 12:00 PM 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
- Mar 9, 2013, 4:08 AM EST (09:08 UTC)
- In effect from
- Mar 9, 2013, 12:00 PM EST
- Expired
- Mar 9, 2013, 7:00 PM EST
- 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 09:05 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, 9.1 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
- 2952 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
651 WWUS82 KTBW 090908 RFWTBW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 408 AM EST SAT MAR 9 2013 FLZ050-091015- /O.CAN.KTBW.FW.A.0006.130309T1700Z-130310T0000Z/ PINELLAS- 408 AM EST SAT MAR 9 2013 ...FIRE WEATHER WATCH IS CANCELLED FOR PINELLAS COUNTY... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS CANCELLED THE FIRE WEATHER WATCH. EASTERLY WINDS WILL LIMIT CRITICAL HUMIDITY VALUES TO 1 TO 2 HOURS. $$ FLZ052-100000- /O.UPG.KTBW.FW.A.0006.130309T1700Z-130310T0000Z/ /O.NEW.KTBW.FW.W.0013.130309T1700Z-130310T0000Z/ POLK- 408 AM EST SAT MAR 9 2013 ...RED FLAG WARNING IN EFFECT FOR POLK COUNTY FROM NOON TODAY TO 7 PM EST THIS EVENING FOR LONG DURATIONS OF LOW HUMIDITY WITH HIGH ERC VALUES... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EST THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * HUMIDITY...31 TO 35 PERCENT FOR AROUND 4 HOURS. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. && $$
1 follow-up statement
028 WWUS82 KTBW 092335 RFWTBW URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 635 PM EST SAT MAR 9 2013 FLZ052-100045- /O.EXP.KTBW.FW.W.0013.000000T0000Z-130310T0000Z/ POLK- 635 PM EST SAT MAR 9 2013 ...RED FLAG WARNING WILL EXPIRE AT 7 PM EST THIS EVENING FOR LONG DURATIONS OF LOW HUMIDITY WITH HIGH ERC VALUES... RELATIVE HUMIDITY VALUES WILL RISE ABOVE 35 PERCENT BY 7 PM...THEREFORE THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AS SCHEDULED. $$
Nearby
Red Flag Warnings in Florida, 2013Every red flag warning in 2013
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.