Alert archive / Florida / Red Flag Warnings in 2013

Red Flag Warning 21, NWS Tampa Bay, FL

March 27, 2013Highlands County, Pinellas County, Polk County, Florida

NWS Tampa Bay, FL issued this red flag warning at Mar 27, 2013, 9:08 PM EDT for Highlands County, Pinellas County, Polk County, Florida. It took effect at Mar 28, 2013, 11:00 AM EDT. It was in force for 9 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 27, 2013, 9:08 PM EDT (01:08 UTC)
In effect from
Mar 28, 2013, 11:00 AM EDT
Expired
Mar 28, 2013, 8:00 PM EDT
In force
9 hr
Issued by
NWS Tampa Bay, FL

Counties Highlands County, FL, Pinellas County, FL, Polk County, FL

The radar

The Tampa radar (KTBW), 47 km from the middle of the area, began a volume at 01:08 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, 1.1 hours before the alert went out and 47 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 2013-03-28Temperature 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 2013-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
1858 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
5 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.

801 
WWUS82 KTBW 280108
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
908 PM EDT WED MAR 27 2013

...RED FLAG WARNING IN EFFECT THURSDAY FOR LONG DURATIONS OF LOW
HUMIDITY VALUES WITH HIGH ERC VALUES ACROSS
PINELLAS...POLK...HIGHLANDS...SARASOTA...AND LEE COUNTIES...

.A RIDGE OF HIGH PRESSURE WILL REMAIN IN CONTROL OF THE REGION
THROUGH THE END OF THE WEEK. THIS WILL CONTINUE TO RESULT IN VERY
LOW HUMIDITY VALUES WITH ELEVATED FIRE WEATHER DANGER FOR THE
NEXT FEW DAYS.

FLZ050-052-057-065-290000-
/O.UPG.KTBW.FW.A.0013.130328T1500Z-130329T0000Z/
/O.NEW.KTBW.FW.W.0021.130328T1500Z-130329T0000Z/
PINELLAS-POLK-HIGHLANDS-LEE-
908 PM EDT WED MAR 27 2013

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY
FOR PARTS OF THE AREA...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM
EDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* WIND...NORTH TO NORTHEAST AT 10 MPH.

* HUMIDITY...BELOW 35 PERCENT FOR UP TO 9 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.

&&

$$

FLZ060-290000-
/O.NEW.KTBW.FW.W.0021.130328T1500Z-130329T0000Z/
SARASOTA-
908 PM EDT WED MAR 27 2013

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY
FOR PARTS OF THE AREA...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM
EDT THURSDAY. 

* AFFECTED AREA...SARASOTA.

* WIND...NORTH TO NORTHEAST AT 10 MPH.

* HUMIDITY...BELOW 35 PERCENT FOR UP TO 9 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.

&&

$$
2 follow-up statements
617 
WWUS82 KTBW 280840
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
440 AM EDT THU MAR 28 2013

...RED FLAG WARNING IN EFFECT TODAY FOR LONG DURATIONS OF LOW
HUMIDITY VALUES WITH HIGH ERC VALUES ACROSS PINELLAS...POLK...
HIGHLANDS...SARASOTA...AND LEE COUNTIES...
...FIRE WEATHER WATCH IN EFFECT FRIDAY FOR LONG DURATIONS OF LOW
HUMIDITY VALUES WITH HIGH ERC VALUES ACROSS PINELLAS...POLK...
HIGHLANDS...SARASOTA...AND LEE COUNTIES...

.A RIDGE OF HIGH PRESSURE WILL REMAIN IN CONTROL OF THE REGION
THROUGH THE END OF THE WEEK. THIS WILL CONTINUE TO RESULT IN VERY
LOW HUMIDITY VALUES WITH ELEVATED FIRE WEATHER DANGER FOR THE
NEXT FEW DAYS.

FLZ050-052-057-060-065-291100-
/O.NEW.KTBW.FW.A.0014.130329T1500Z-130330T0000Z/
/O.CON.KTBW.FW.W.0021.130328T1500Z-130329T0000Z/
PINELLAS-POLK-HIGHLANDS-SARASOTA-LEE-
440 AM EDT THU MAR 28 2013

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM EDT THIS EVENING FOR LONG DURATIONS OF CRITICAL HUMIDITIES
ALONG WITH DRY FUELS...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR LONG DURATIONS OF CRITICAL HUMIDITIES ALONG
WITH DRY FUELS...

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

* WIND...NORTH TO NORTHEAST UP TO 10 MPH.

* HUMIDITY...BELOW 35 PERCENT FOR UP TO 9 HOURS. LOWEST VALUES
  WILL BE BETWEEN 15 AND 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.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD.

&&

$$
356 
WWUS82 KTBW 290009
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
809 PM EDT THU MAR 28 2013

...RED FLAG WARNING IN EFFECT FRIDAY AFTERNOON FOR LONG DURATIONS
OF LOW HUMIDITY VALUES WITH HIGH ERC VALUES ACROSS PINELLAS...
POLK...HIGHLANDS...SARASOTA...AND LEE COUNTIES...

.A RIDGE OF HIGH PRESSURE WILL REMAIN IN PLACE ACROSS THE AREA
THROUGH SATURDAY. THIS WILL CONTINUE TO RESULT IN VERY LOW
HUMIDITY VALUES WITH ELEVATED FIRE WEATHER DANGER FOR THE NEXT
FEW DAYS.

FLZ050-052-057-060-065-300000-
/O.EXP.KTBW.FW.W.0021.000000T0000Z-130329T0000Z/
/O.UPG.KTBW.FW.A.0014.130329T1500Z-130330T0000Z/
/O.NEW.KTBW.FW.W.0022.130329T1500Z-130330T0000Z/
PINELLAS-POLK-HIGHLANDS-SARASOTA-LEE-
809 PM EDT THU MAR 28 2013

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY FOR
LONG DURATIONS OF CRITICAL HUMIDITIES ALONG WITH DRY FUELS...
...RED FLAG WARNING FOR THURSDAY AFTERNOON HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM
EDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* WIND...NORTH TO NORTHEAST UP TO 10 MPH.

* HUMIDITY...BELOW 35 PERCENT FOR UP TO 9 HOURS. LOWEST VALUES 
  WILL BE BETWEEN 15 AND 20 PERCENT FRIDAY 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.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 4:40 AM EDTFire Weather WatchTBWHighlands, Pinellas, Polk15 hr

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.