Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 22, NWS Tampa Bay, FL

April 24, 20126 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Apr 24, 2012, 5:17 AM EDT for 6 counties in Florida. It took effect at Apr 24, 2012, 10:00 AM EDT. It was in force for 10 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 24, 2012, 5:17 AM EDT (09:17 UTC)
In effect from
Apr 24, 2012, 10:00 AM EDT
Expired
Apr 24, 2012, 8:00 PM EDT
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 09:17 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, 9.3 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 2012-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2012-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1764 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

693 
WWUS82 KTBW 240917
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
517 AM EDT TUE APR 24 2012

...RED FLAG WARNING THIS AFTERNOON AND THROUGH THE EVENING FOR
CHARLOTTE...CITRUS...DE SOTO...HARDEE...HERNANDO... HIGHLANDS...
HILLSBOROUGH...LEE...LEVY...MANATEE...PASCO... PINELLAS...POLK...
SARASOTA...SUMTER...

.HIGH PRESSURE ACROSS THE REGION WILL KEEP A COOL AND VERY DRY 
AIR MASS WITH AFTERNOON PERIODS OF ROBUST NORTHWEST WINDS...GUSTY
AT TIMES.

FLZ039-042-043-048>052-055>057-060>062-065-250000-
/O.UPG.KTBW.FW.A.0010.120424T1600Z-120425T0000Z/
/O.NEW.KTBW.FW.W.0022.120424T1600Z-120425T0000Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
517 AM EDT TUE APR 24 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO
8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT. 

* AFFECTED AREA...LEVY...CITRUS...SUMTER...HERNANDO...PASCO...
  PINELLAS...HILLSBOROUGH...POLK...MANATEE...HARDEE...
  HIGHLANDS...SARASOTA...DE SOTO...CHARLOTTE...LEE.

* WIND...NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* HUMIDITY...WILL BE BELOW 35 PERCENT FOR AROUND 6 TO 8 HOURS WITH
  MANY LOCATIONS REACHING THE LOWER 20S PERCENT RANGE.

* 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.

&&

$$
2 follow-up statements
368 
WWUS82 KTBW 241334
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
934 AM EDT TUE APR 24 2012

...RED FLAG WARNING FROM LATE MORNING THROUGH THE EVENING FOR
CHARLOTTE...CITRUS...DE SOTO...HARDEE...HERNANDO... HIGHLANDS...
HILLSBOROUGH...LEE...LEVY...MANATEE...PASCO... PINELLAS...POLK...
SARASOTA...SUMTER...

.HIGH PRESSURE ACROSS THE REGION WILL KEEP A COOL AND VERY DRY
AIR MASS WITH PERIODS OF GUSTY NORTHWEST WINDS.

FLZ039-042-043-048>052-055>057-060>062-065-250000-
/O.EXT.KTBW.FW.W.0022.120424T1400Z-120425T0000Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
934 AM EDT TUE APR 24 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR...

* AFFECTED AREA...LEVY...CITRUS...SUMTER...HERNANDO...PASCO... 
  PINELLAS...HILLSBOROUGH...POLK...MANATEE...HARDEE... 
  HIGHLANDS...SARASOTA...DE SOTO...CHARLOTTE...LEE. 

* WIND...NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* HUMIDITY...WILL BE BELOW 35 PERCENT FOR AROUND 8 TO 10 HOURS
  WITH MANY LOCATIONS FALLING BELOW 20 PERCENT THIS 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
656 
WWUS82 KTBW 241755
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
155 PM EDT TUE APR 24 2012

...RED FLAG WARNING REMAINS IN EFFECT THROUGH THIS EVENING FOR ALL
AREAS...

...FIRE WEATHER WATCH IN EFFECT FOR WEDNESDAY AFTERNOON FOR SUMTER...
POLK...HILLSBOROUGH...SARASOTA...MANATEE..CHARLOTTE..LEE...HARDEE...
DESOTO...AND HIGHLANDS COUNTIES...

.HIGH PRESSURE WILL BUILD ACROSS THE FLORIDA PENINSULA THROUGH 
WEDNESDAY AND KEEP A DRY AIRMASS IN PLACE. GUSTY NORTHWEST WINDS TODAY
WILL DIMINISH A BIT ON WEDNESDAY. LOW RELATIVE HUMIDITY WILL
CONTINUE ON WEDNESDAY.

FLZ043-051-052-055>057-060>062-065-252300-
/O.NEW.KTBW.FW.A.0011.120425T1700Z-120425T2300Z/
/O.CON.KTBW.FW.W.0022.000000T0000Z-120425T0000Z/
SUMTER-HILLSBOROUGH-POLK-MANATEE-HARDEE-HIGHLANDS-SARASOTA-
DE SOTO-CHARLOTTE-LEE-
155 PM EDT TUE APR 24 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR ALL AREAS...

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM WEDNESDAY
AFTERNOON THROUGH WEDNESDAY EVENING. 

* AFFECTED AREA...SUMTER...HILLSBOROUGH...POLK...MANATEE... 
  HARDEE...HIGHLANDS...SARASOTA...DE SOTO...CHARLOTTE...LEE. 

* WIND...SOUTHEAST WINDS 5 TO 10 MPH BECOMING SOUTHWEST NEAR THE
  COAST IN THE AFTERNOON.

* HUMIDITY...WILL BE BELOW 35 PERCENT FOR AROUND 4 TO 6 HOURS WITH
  INTERIOR LOCATIONS FALLING TO AROUND 25 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.

&&

$$

FLZ039-042-048>050-250000-
/O.CON.KTBW.FW.W.0022.000000T0000Z-120425T0000Z/
LEVY-CITRUS-HERNANDO-PASCO-PINELLAS-
155 PM EDT TUE APR 24 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR...

* AFFECTED AREA...LEVY...CITRUS...HERNANDO...PASCO...PINELLAS.

* WIND...NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* HUMIDITY...WILL BE BELOW 35 PERCENT FOR AROUND 8 TO 10 HOURS 
  WITH MANY LOCATIONS FALLING BELOW 20 PERCENT THIS 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.

&&

$$

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 1:55 PM EDTFire Weather WatchTBWDeSoto, Hardee, Highlands, Polk, Sumter16 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.