Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 55, NWS Tampa Bay, FL

May 1, 20065 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at May 1, 2006, 1:57 PM EDT for 5 counties in Florida. It took effect at May 2, 2006, 12:00 PM EDT. It was in force for 8 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
May 1, 2006, 1:57 PM EDT (17:57 UTC)
In effect from
May 2, 2006, 12:00 PM EDT
Expired
May 2, 2006, 8:00 PM EDT
In force
8 hr
Issued by
NWS Tampa Bay, FL

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

The radar

The Tampa radar (KTBW), 64 km from the middle of the area, began a volume at 18:01 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 12:00Z, 6.0 hours before the alert went out and 64 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 12:00Z on 2006-05-01Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2006-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 square meters per square second.193958Sfc1 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
1064 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
-37 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.

000 
WWUS82 KTBW 011757
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
157 PM EDT MON MAY 1 2006

...A RED FLAG WARNING CONTINUES THIS AFTERNOON FOR ALL COUNTIES
EXCEPT PINELLAS FOR LONG DURATIONS OF LOW RELATIVE HUMIDITY... 
...A RED FLAG WARNING IS IN EFFECT TUESDAY AFTERNOON FOR ALL
COUNTIES EXCEPT PINELLAS FOR LONG DURATIONS OF LOW RELATIVE
HUMIDITY...

FLZ039-042-043-048-049-051-052-055>057-060>062-065-012300-
/O.UPG.KTBW.FW.A.0043.060502T1600Z-060502T2300Z/
/O.NEW.KTBW.FW.W.0055.060502T1600Z-060502T2300Z/
/O.CON.KTBW.FW.W.0054.000000T0000Z-060501T2300Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-HILLSBOROUGH-POLK-MANATEE-
HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
157 PM EDT MON MAY 1 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 7 PM EDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 7 PM
EDT TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED
FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. 

HIGH PRESSURE LOCATED NORTH OF THE REGION WILL CONTINUE TO PRODUCE
DRY CONDITIONS ACROSS MUCH OF WEST CENTRAL FLORIDA. MINIMUM
RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP INTO THE LOWER 30S
FOR LONG DURATIONS THIS AFTERNOON AND EARLY EVENING HOURS.
CRITICALLY LOW HUMIDITIES ARE EXPECTED ON TUESDAY AS WELL.

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24
HOURS.

$$
3 follow-up statements
000 
WWUS82 KTBW 012342
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
742 PM EDT MON MAY 1 2006

...A RED FLAG WARNING IS IN EFFECT TUESDAY AFTERNOON AND EARLY
EVENING FOR ALL COUNTIES EXCEPT PINELLAS FOR LONG DURATIONS OF
LOW RELATIVE HUMIDITY...

FLZ039-042-043-048-049-051-052-055>057-060>062-065-030000-
/O.EXT.KTBW.FW.W.0055.060502T1600Z-060503T0000Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-HILLSBOROUGH-POLK-MANATEE-
HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
742 PM EDT MON MAY 1 2006

...RED FLAG WARNING NOW IN EFFECT FROM 12 PM TO 8 PM EDT
TUESDAY...

HIGH PRESSURE LOCATED NORTH OF THE REGION WILL CONTINUE TO
PRODUCE DRY CONDITIONS ACROSS MUCH OF WEST CENTRAL FLORIDA.
MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP INTO THE
LOWER 30S FOR LONG DURATIONS TUESDAY AFTERNOON AND EARLY EVENING.

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN
24 HOURS.

$$
000 
WWUS82 KTBW 020800
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
400 AM EDT TUE MAY 2 2006

...A RED FLAG WARNING IS IN EFFECT TODAY AND WEDNESDAY FROM 12
NOON UNTIL 8 PM FOR ALL COUNTIES EXCEPT PINELLAS FOR LONG DURATIONS
OF LOW RELATIVE HUMIDITY...

FLZ039-042-043-048-049-051-052-055>057-060>062-065-022000-
/O.NEW.KTBW.FW.W.0056.060503T1600Z-060504T0000Z/
/O.CON.KTBW.FW.W.0055.060502T1600Z-060503T0000Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-HILLSBOROUGH-POLK-MANATEE-
HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
400 AM EDT TUE MAY 2 2006

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT
THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 8 PM EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 8 PM
EDT WEDNESDAY. A RED FLAG WARNING REMAINS IN EFFECT FROM NOON
TODAY TO 8 PM EDT THIS EVENING. 

A VERY DRY AIRMASS WILL REMAIN OVER THE FLORIDA PENINSULA THROUGH
MID WEEK. WARMING AFTERNOON TEMPERATURES WILL CREATE VERY LOW
MINIMUM RELATIVE HUMIDITY VALUES BOTTOMING OUT IN THE UPPER 20S IN
MOST LOCATIONS TODAY AND AGAIN WEDNESDAY AFTERNOON. A LATE AFTERNOON
SEABREEZE IS EXPECTED TO KEEP HUMIDITIES ABOVE CRITICAL LEVELS
RIGHT ALONG THE COAST.

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN
24 HOURS.

$$
000 
WWUS82 KTBW 021807
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
207 PM EDT TUE MAY 2 2006

...A RED FLAG WARNING IS IN EFFECT TODAY AND WEDNESDAY FROM
12 NOON UNTIL 8 PM FOR ALL COUNTIES EXCEPT PINELLAS FOR LONG
DURATIONS OF LOW RELATIVE HUMIDITY...

FLZ039-042-043-048-049-051-052-055>057-061-030000-
/O.NEW.KTBW.FW.A.0044.060504T1700Z-060504T2300Z/
/O.CON.KTBW.FW.W.0055.000000T0000Z-060503T0000Z/
/O.CON.KTBW.FW.W.0056.060503T1600Z-060504T0000Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-HILLSBOROUGH-POLK-MANATEE-
HARDEE-HIGHLANDS-DE SOTO-
207 PM EDT TUE MAY 2 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 8 PM EDT
WEDNESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY
AFTERNOON THROUGH THURSDAY EVENING. A RED FLAG WARNING REMAINS IN
EFFECT UNTIL 8 PM EDT THIS EVENING. A RED FLAG WARNING ALSO REMAINS
IN EFFECT FROM 12 PM TO 8 PM EDT ON WEDNESDAY.

HIGH PRESSURE WILL REMAIN OVER WEST CENTRAL AND SOUTHWEST FLORIDA
THROUGH THURSDAY. A VERY DRY AIR MASS ASSOCIATED WITH THE HIGH COMBINED
WITH WARMING AFTERNOON TEMPERATURES WILL CREATE VERY LOW MINIMUM RELATIVE
HUMIDITY VALUES OVER INTERIOR LOCATIONS DURING THE REMAINDER OF THIS
AFTERNOON AS WELL AS ON WEDNESDAY AND THURSDAY AFTERNOONS WITH HUMIDITY
VALUES BOTTOMING OUT IN THE UPPER 20S AWAY FROM THE COAST. A LATE AFTERNOON
SEA BREEZE IS EXPECTED EACH AFTERNOON WHICH SHOULD KEEP HUMIDITIES ABOVE
CRITICAL LEVELS RIGHT ALONG THE COAST.

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.

$$

FLZ060-062-065-030000-
/O.CON.KTBW.FW.W.0055.000000T0000Z-060503T0000Z/
/O.CON.KTBW.FW.W.0056.060503T1600Z-060504T0000Z/
SARASOTA-CHARLOTTE-LEE-
207 PM EDT TUE MAY 2 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 8 PM EDT
WEDNESDAY...

HIGH PRESSURE WILL REMAIN OVER WEST CENTRAL AND SOUTHWEST FLORIDA
THROUGH THURSDAY. A VERY DRY AIR MASS ASSOCIATED WITH THE HIGH
COMBINED WITH WARMING AFTERNOON TEMPERATURES WILL CREATE VERY LOW
MINIMUM RELATIVE HUMIDITY VALUES OVER INTERIOR LOCATIONS WEDNESDAY
AND THURSDAY AFTERNOONS WITH VALUES BOTTOMING OUT IN THE UPPER 20S
AWAY FROM THE COAST. A LATE AFTERNOON SEA BREEZE IS EXPECTED TO
KEEP HUMIDITIES ABOVE CRITICAL LEVELS RIGHT ALONG THE COAST.

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.


$$


JCM

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this red flag warning went out at May 1, 10:00 AM EDT, 3 hours 57 minutes earlier.

Area forecast discussion, May 1, 10:00 AM EDT, 3 hours 57 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
ISSUED BY NATIONAL WEATHER SERVICE MELBOURNE FL
1000 AM EDT MON MAY 1 2006

.DISCUSSION...LATEST TBW AND UPSTREAM JAX SOUNDING SHOW NEARLY
IDENTICAL DEWPOINT TRACES THROUGH 800 MB WITH SIGNIFICANT DRYING
NOTED AT 850 MB. SKIES ARE STARTING OUT SUNNY ACROSS THE ENTIRE
FORECAST AREA...THOUGH MODELS SUGGEST SOME CU WILL FORM BY THIS
AFTERNOON. MADE SOME MINOR TWEAKS TO THE WINDS IN THE GRIDS.
OTHERWISE...WILL BE SENDING AN UPDATE TO REWORD SKY AS MOSTLY
SUNNY...BECOMING PARTLY SUNNY.

&&

.MARINE...WINDS HAVE INCREASED TO 15 TO 20 KT AT BUOY 42036 WITH A
CORRESPONDING INCREASE IN SEAS TO AROUND 5 FT. ONLY CHANGE TO THE
FORECAST WILL BE TO INCREASE UPPER RANGE OF SEAS TO 4 FT.

&&

.AVIATION...VFR CONDITIONS EXPECTED NEXT 24 HOURS.

&&

.FIRE WEATHER...EXPANDED AREAL COVERAGE OF RFW TO ALL COUNTIES
EXCEPT FOR PINELLAS FOR TODAY. OFFSHORE FLOW COMBINED WITH EFFICIENT
MIXING SHOULD RESULT IN LONG DURATIONS OF LOW RH FOR MOST AREAS.
ONLY EXCEPTION WILL BE ALONG THE COAST...WHERE WINDS WILL ACQUIRE AN
ONSHORE COMPONENT.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
RED FLAG WARNING FROM THIS AFTERNOON THROUGH THIS EVENING
FOR...CHARLOTTE...DE SOTO...HARDEE...HIGHLANDS...LEE...
MANATEE...SARASOTA...CITRUS...HERNANDO...HILLSBOROUGH...LEVY...
PASCO...POLK...AND SUMTER.

FIRE WEATHER WATCH FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING FOR...CHARLOTTE...DE SOTO...HARDEE...HIGHLANDS...LEE...
MANATEE...SARASOTA...CITRUS...HERNANDO...HILLSBOROUGH...LEVY...
PASCO...POLK...AND SUMTER.

GULF WATERS...NONE.

&&

HIRSCH
Hazardous weather outlook, May 1, 4:36 AM EDT, 9 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
436 AM EDT MON MAY 1 2006

FLZ039-042-043-048-011445-
LEVY-CITRUS-SUMTER-HERNANDO-
436 AM EDT MON MAY 1 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
FLORIDA.

.DAY ONE...TODAY AND TONIGHT

A DRY AIRMASS MOVING IN TODAY WILL ALLOW HUMIDITIES TO FALL BELOW
35 PERCENT FOR FOUR OR MORE HOURS THIS AFTERNOON. RESIDENTS AND
VISITORS IN THE AREA SHOULD BE EXTRA CAREFUL WITH ANY OUTDOOR
OPEN FLAMES OR BARBECUES TODAY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE WILL BE AN INCREASED RISK FOR THE SPREAD OF WILD FIRES
TUESDAY AND WEDNESDAY AS DRY HIGH PRESSURE BUILDS OVER THE STATE
AND ALLOWS RELATIVE HUMIDITIES TO FALL BELOW CRITICAL LEVELS FOR
EXTENDED DURATIONS EACH AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

FLZ049>052-055>057-060>062-065-011445-
PASCO-PINELLAS-HILLSBOROUGH-POLK-MANATEE-HARDEE-HIGHLANDS-
SARASOTA-DE SOTO-CHARLOTTE-LEE-
436 AM EDT MON MAY 1 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
FLORIDA AND WEST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT

DRY AIR GRADUALLY MOVING IN FROM THE NORTH TODAY WILL ALLOW
HUMIDITIES TO BRIEFLY FALL BELOW 35 PERCENT OVER PARTS OF INTERIOR
WEST CENTRAL FLORIDA THIS AFTERNOON. RESIDENTS AND VISITORS IN THE
AREA SHOULD BE EXTRA CAREFUL WITH ANY OUTDOOR OPEN FLAMES OR
BARBECUES TODAY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE WILL BE AN INCREASED RISK FOR THE SPREAD OF WILD FIRES
TUESDAY AND WEDNESDAY AS DRY HIGH PRESSURE BUILDS OVER THE STATE
AND ALLOWS RELATIVE HUMIDITIES TO FALL BELOW CRITICAL LEVELS FOR
EXTENDED DURATIONS EACH AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 4:22 AM EDTRed Flag WarningTBWDeSoto, Hardee, Highlands, Polk, Sumter15 hr

Nearby

Red Flag Warnings in Florida, 2006Every red flag warning in 2006

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.