Alert archive / Florida / Red Flag Warnings in 2010

Red Flag Warning 21, NWS Tampa Bay, FL

February 16, 20104 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Feb 16, 2010, 5:24 AM EST for 4 counties in Florida. It took effect at Feb 16, 2010, 12:00 PM EST. It was in force for 6 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 16, 2010, 5:24 AM EST (10:24 UTC)
In effect from
Feb 16, 2010, 12:00 PM EST
Expired
Feb 16, 2010, 6:00 PM EST
In force
6 hr
Issued by
NWS Tampa Bay, FL

Counties Hardee County, FL, Highlands County, FL, Polk County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 68 km from the middle of the area, began a volume at 10:24 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, 10.4 hours before the alert went out and 68 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 2010-02-16Temperature 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 2010-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939587897117136Sfc1 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
1687 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
116 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.

669 
WWUS82 KTBW 161024
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
524 AM EST TUE FEB 16 2010

...RED FLAG WARNING THIS AFTERNOON FOR FOUR OR MORE HOURS OF 
HUMIDITIES BELOW 35 PERCENT AND WINDS OF 15 MPH OR MORE...
...FIRE WEATHER WATCH WEDNESDAY AFTERNOON FOR FOUR OR MORE HOURS
OF HUMIDITIES BELOW 35 PERCENT AND WINDS OF 15 MPH OR MORE...

.HIGH PRESSURE WILL BUILD ACROSS THE AREA THIS AFTERNOON AND USHER
IN COOLER AND DRIER AIR. HIGH PRESSURE WILL THEN REMAIN IN PLACE
ACROSS THE REGION FOR SEVERAL DAYS KEEPING DRY CONDITIONS ACROSS
THE AREA WEDNESDAY AFTERNOON. 

FLZ039-042-043-170000-
/O.UPG.KTBW.FW.A.0018.100216T1700Z-100216T2200Z/
/O.NEW.KTBW.FW.W.0021.100216T1700Z-100216T2300Z/
/O.NEW.KTBW.FW.A.0019.100217T1700Z-100217T2300Z/
LEVY-CITRUS-SUMTER-
524 AM EST TUE FEB 16 2010

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON...

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

RELATIVE HUMIDITIES ARE EXPECTED TO FALL TO AROUND 30 PERCENT THIS
AFTERNOON AND REMAIN BELOW 35 PERCENT FOR SEVERAL HOURS. THIS WILL
COMBINE WITH NORTH TO NORTHWEST WINDS OF 15 MPH OR MORE TO CREATE
FAVORABLE CONDITIONS FOR THE RAPID SPREAD OF WILD FIRES. 

SIMILAR CONDITIONS WILL BE IN PLACE WEDNESDAY AFTERNOON WITH
MINIMUM HUMIDITIES OF 30 TO 35 PERCENT EXPECTED. WINDS WILL
CONTINUE TO BE 15 MPH OR GREATER FROM THE NORTHWEST. 

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.

&&

$$

FLZ048-049-052-170000-
/O.NEW.KTBW.FW.W.0021.100216T1700Z-100216T2300Z/
/O.NEW.KTBW.FW.A.0019.100217T1700Z-100217T2300Z/
HERNANDO-PASCO-POLK-
524 AM EST TUE FEB 16 2010

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO
6 PM EST THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED.
THIS FIRE WEATHER WATCH IS IN EFFECT WEDNESDAY AFTERNOON. 

RELATIVE HUMIDITIES ARE EXPECTED TO FALL TO AROUND 30 PERCENT THIS
AFTERNOON AND REMAIN BELOW 35 PERCENT FOR SEVERAL HOURS. THIS WILL
COMBINE WITH NORTH TO NORTHWEST WINDS OF 15 MPH OR MORE TO CREATE
FAVORABLE CONDITIONS FOR THE RAPID SPREAD OF WILD FIRES. 

SIMILAR CONDITIONS WILL BE IN PLACE WEDNESDAY AFTERNOON WITH
MINIMUM HUMIDITIES OF 30 TO 35 PERCENT EXPECTED. WINDS WILL
CONTINUE TO BE 15 MPH OR GREATER FROM THE NORTHWEST. 

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.

&&

$$
1 follow-up statement
944 
WWUS82 KTBW 161446
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
946 AM EST TUE FEB 16 2010


...RED FLAG WARNING THIS AFTERNOON FOR FOUR OR MORE HOURS OF
HUMIDITIES BELOW 35 PERCENT AND WINDS OF 15 MPH OR MORE... ...FIRE
WEATHER WATCH WEDNESDAY AFTERNOON FOR FOUR OR MORE HOURS OF
HUMIDITIES BELOW 35 PERCENT AND WINDS OF 15 MPH OR MORE...

.HIGH PRESSURE WILL BUILD ACROSS THE AREA THIS AFTERNOON AND
USHER IN COOLER AND DRIER AIR. HIGH PRESSURE WILL THEN REMAIN IN
PLACE ACROSS THE REGION FOR SEVERAL DAYS KEEPING DRY CONDITIONS
ACROSS THE AREA WEDNESDAY AFTERNOON.

FLZ056-057-162300-
/O.EXA.KTBW.FW.W.0021.100216T1700Z-100216T2300Z/
HARDEE-HIGHLANDS-
946 AM EST TUE FEB 16 2010

...RED FLAG WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM EST
THIS EVENING. 

RELATIVE HUMIDITIES ARE EXPECTED TO FALL TO AROUND 30 PERCENT
THIS AFTERNOON AND REMAIN BELOW 35 PERCENT FOR A COUPLE OF HOURS.
THIS WILL COMBINE WITH NORTH TO NORTHWEST WINDS OF 15 MPH OR MORE
TO CREATE FAVORABLE CONDITIONS FOR THE RAPID SPREAD OF WILD FIRES.

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.

&&

$$

FLZ039-042-043-048-049-052-170000-
/O.CON.KTBW.FW.W.0021.100216T1700Z-100216T2300Z/
/O.CON.KTBW.FW.A.0019.100217T1700Z-100217T2300Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-POLK-
946 AM EST TUE FEB 16 2010

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT WEDNESDAY AFTERNOON...

RELATIVE HUMIDITIES ARE EXPECTED TO FALL TO AROUND 30 PERCENT
THIS AFTERNOON AND REMAIN BELOW 35 PERCENT FOR SEVERAL HOURS. THIS
WILL COMBINE WITH NORTH TO NORTHWEST WINDS OF 15 MPH OR MORE TO
CREATE FAVORABLE CONDITIONS FOR THE RAPID SPREAD OF WILD FIRES.

SIMILAR CONDITIONS WILL BE IN PLACE WEDNESDAY AFTERNOON WITH
MINIMUM HUMIDITIES OF 30 TO 35 PERCENT EXPECTED. WINDS WILL
CONTINUE TO BE 15 MPH OR GREATER FROM THE NORTHWEST.

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
Feb 16, 4:01 AM ESTFreeze WatchTBWSumter10 hr
Feb 16, 5:24 AM ESTFire Weather WatchTBWPolk, Sumter24 hr
Feb 16, 2:00 PM ESTFreeze WarningTBWSumter19 hr

Nearby

Red Flag Warnings in Florida, 2010Every red flag warning in 2010

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.