Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 72, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this red flag warning at May 23, 2007, 4:23 AM EDT for 6 counties in Florida. It took effect at May 23, 2007, 1:00 PM EDT. 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
- May 23, 2007, 4:23 AM EDT (08:23 UTC)
- In effect from
- May 23, 2007, 1:00 PM EDT
- Expired
- May 23, 2007, 8:00 PM EDT
- In force
- 7 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 08:28 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, 8.4 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.
- Mixed-layer CAPE
- 85 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1620 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KTBW 230823 RFWTBW RED FLAG WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 423 AM EDT WED MAY 23 2007 ...LOW HUMIDITIES AND GUSTY WINDS WILL LEAD TO AN INCREASED THREAT OF RAPIDLY SPREADING WILD FIRES TODAY... .HIGH PRESSURE NORTH OF THE AREA WILL PROVIDE DRY AND BREEZY CONDITIONS FOR THE NEXT FEW DAYS. FLZ039-042-043-048>052-055>057-060>062-065-240000- /O.UPG.KTBW.FW.A.0049.070523T1700Z-070524T0000Z/ /O.NEW.KTBW.FW.W.0072.070523T1700Z-070524T0000Z/ LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 423 AM EDT WED MAY 23 2007 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. STRONG HIGH PRESSURE WILL MAINTAIN A DRY AIRMASS OVER THE REGION TODAY. ALL AREAS WILL EXPERIENCE 20 FOOT WINDS OF 15 TO 20 MPH WITH HIGHER GUSTS. LONG DURATIONS OF CRITICAL RELATIVE HUMIDITIES BELOW 35 PERCENT ARE MOST LIKELY NEAR THE GULF COAST...BUT THE WINDS COMBINED WITH THE DRY CONDITIONS WILL RESULT IN RED FLAG CONDITIONS EVEN OVER THE INTERIOR...WHERE JUST AN HOUR OR TWO OF LOW RELATIVE HUMIDITY IS EXPECTED. A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. $$
2 follow-up statements
000 WWUS82 KTBW 231805 RFWTBW RED FLAG WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 205 PM EDT WED MAY 23 2007 ...RED FLAG WARNING WILL CONTINUE UNTIL 8 PM THIS EVENING FOR ALL COUNTIES... ...LOW HUMIDITIES AND GUSTY WINDS WILL LEAD TO AN INCREASED THREAT OF RAPIDLY SPREADING WILD FIRES THURSDAY AFTERNOON AND EVENING... .HIGH PRESSURE NORTH OF THE AREA WILL PROVIDE DRY AND BREEZY CONDITIONS FOR THE NEXT FEW DAYS. FLZ039-042-043-048>052-055>057-060>062-065-240000- /O.NEW.KTBW.FW.A.0050.070524T1700Z-070525T0000Z/ /O.CON.KTBW.FW.W.0072.000000T0000Z-070524T0000Z/ LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 205 PM EDT WED MAY 23 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 20 FOOT WINDS OF 15 TO 20 MPH IS OCCURRING ALONG WITH HUMIDITIES BELOW 35 PERCENT IN MANY LOCATIONS THIS AFTERNOON. THUS THE RED FLAG WARNING WILL REMAIN IN EFFECT THROUGH 8 PM THIS EVENING. STRONG HIGH PRESSURE WILL MAINTAIN A DRY AIRMASS OVER THE REGION THROUGH THURSDAY. ALL AREAS WILL AGAIN EXPERIENCE 20 FOOT WINDS OF 15 TO 20 MPH WITH HIGHER GUSTS. RELATIVE HUMIDITIES WILL ALSO LIKELY FALL BELOW 35 PERCENT FOR SEVERAL HOURS AND COMBINED WITH THE WINDS MAY RESULT IN RED FLAG CONDITIONS THURSDAY AFTERNOON. A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD. $$
000 WWUS82 KTBW 240007 RFWTBW RED FLAG WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 807 PM EDT WED MAY 23 2007 ...LOW HUMIDITIES AND GUSTY WINDS WILL CONTINUE AN INCREASED THREAT OF RAPIDLY SPREADING WILD FIRES THURSDAY AFTERNOON AND EVENING... .HIGH PRESSURE NORTH OF THE AREA WILL PROVIDE DRY AND BREEZY CONDITIONS FOR THE NEXT FEW DAYS. FLZ039-042-043-048>052-055>057-060>062-065-241215- /O.EXP.KTBW.FW.W.0072.000000T0000Z-070524T0000Z/ /O.CON.KTBW.FW.A.0050.070524T1700Z-070525T0000Z/ LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 807 PM EDT WED MAY 23 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. WINDS WERE DIMINISHED TO 15 TO 25 MPH EARLY THIS EVENING AND WILL DROP ANOTHER 5 MPH OVERNIGHT. HOWEVER...GET READY FOR ANOTHER ACTIVE FIRE WEATHER DAY THURSDAY. GUSTY EAST WINDS WILL CONTINUE THE THREAT FOR RAPIDLY SPREADING WILD FIRES. STRONG HIGH PRESSURE WILL MAINTAIN A DRY AIRMASS OVER THE REGION. ALL AREAS WILL AGAIN EXPERIENCE 20 FOOT WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS. RELATIVE HUMIDITIES WILL ALSO LIKELY FALL BELOW 35 PERCENT FOR SEVERAL HOURS. THIS WILL LIKELY LEAD TO RED FLAG CONDITIONS THURSDAY AFTERNOON. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD. $$ NOAH
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 23, 3:00 AM EDT, 1 hour 23 minutes earlier.
Area forecast discussion, May 23, 3:00 AM EDT, 1 hour 23 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY - RUSKIN FL
300 AM EDT WED MAY 23 2007
.SHORT TERM (TONIGHT - FRIDAY)...SURFACE HIGH PRESSURE WILL BUILD
DOWN THE MID ATLANTIC COAST THROUGH THE END OF THE WEEK. DRY
BREEZY CONDITIONS WILL PERSIST EACH DAY WITH VERY LITTLE CHANCE OF
RAIN. PARTLY CLOUDY DAYS AND MOSTLY CLEAR NIGHTS WITH EASTERLY
FLOW CREATING SLIGHTLY ABOVE NORMAL DAYTIME TEMPERATURES ALONG THE
COASTAL COUNTIES...AND NEAR NORMAL TEMPERATURES OVER THE INTERIOR.
DRY AIR OVER THE REGION WILL ALLOW OVERNIGHT TEMPERATURES TO DROP
BELOW CLIMATIC NORMALS...WITH PLEASANT CONDITIONS EACH EVENING AND
OVERNIGHT.
.LONG TERM (FRIDAY NIGHT - TUESDAY)...A STRONG RIDGE OF HIGH
PRESSURE STRETCHED EAST TO WEST ACROSS THE MID ATLANTIC STATES WILL
MOVE VERY LITTLE RIGHT THROUGH TUESDAY. ABOUT THE ONLY REAL CHANGE
THAT TAKES PLACE IS SOME SLOW WARMING ALOFT AS A RIDGE OF HIGH
PRESSURE BUILDS OVER THE EASTERN U.S. EARLY NEXT WEEK.
I REMOVED MEASURABLE POPS NORTH OF THE TAMPA BAY AREA THROUGH
TUESDAY. I STAYED CLOSE TO MEX GUIDANCE WITH 20 POPS FROM TAMPA BAY
SOUTHWARD ON MONDAY AND TUESDAY. OTHERWISE...ONLY THE FAR SOUTH WILL
SEE ANY RAIN CHANCES OVER THE WEEKEND...AND EVEN THEN JUST 20
PERCENT IN THE AFTERNOON.
TEMPERATURES WILL BE WARMING A BIT AFTER THE WEEKEND AS THE RIDGE
ALOFT BUILDS OVERHEAD...WITH SOME LOWER 90S LIKELY ALONG WITH
INCREASING HUMIDITY.
&&
.AVIATION...STRATOCU AND ALTOCU CONTINUE TO STREAM ACROSS THE
PENINSULA FROM THE ATLANTIC...BUT JUST A FEW PATCHES ARE MAKING IT
ALL THE WAY TO THE GULF COAST. WHILE WE CANT RULE OUT A BRIEF
CEILING FROM THESE CLOUDS...THE BASES ARE ABOVE 3000 FEET SO
TERMINALS WILL REMAIN VFR TODAY.
&&
.MARINE...GRADIENT WILL WEAKEN BELOW ADVISORY CONDITIONS BY THIS
AFTERNOON...BUT EVENING EASTERLY SURGE WILL INCREASE WINDS BACK ABOVE
ADVISORY CONDITIONS TONIGHT.
&&
.FIRE WEATHER...DRY AIR OVER THE REGION TODAY WILL ALLOW AFTERNOON
RELATIVE HUMIDITY VALUES TO FALL BELOW 35 PERCENT OVER MUCH OF
WEST CENTRAL AND SOUTHWEST FLORIDA...WITH BREEZY CONDITIONS
EXPECTED ACROSS THE REGION. RED FLAG CONDITIONS LIKELY OVER MUCH
OF THE AREA. DRY CONDITIONS WILL PERSIST THURSDAY AFTERNOON WITH
RED FLAG CONDITIONS AGAIN POSSIBLE OVER MUCH OF WEST CENTRAL AND
SOUTHWEST FLORIDA.
&&
.PRELIMINARY POINT TEMPS/POPS...
TPA 90 69 90 68 / 5 0 5 0
FMY 91 67 90 67 / 10 0 10 0
GIF 88 65 87 65 / 5 0 5 0
SRQ 91 66 91 66 / 5 0 5 0
BKV 91 63 90 61 / 5 0 5 0
SPG 88 72 88 72 / 5 0 5 0
&&
.TBW WATCHES/WARNINGS/ADVISORIES...
FL...RED FLAG WARNING THIS AFTERNOON FOR RELATIVE HUMIDITY LESS THAN
35 PERCENT WITH WINDS GREATER THAN 15 MPH FOR LEVY...CITRUS...
SUMTER...HERNANDO...PASCO...PINELLAS...HILLSBOROUGH...POLK...
MANATEE...SARASOTA...DESOTO...HARDEE...HIGHLANDS...CHARLOTTE...
AND LEE COUNTIES.
GULF WATERS...SMALL CRAFT ADVISORY UNTIL 10 AM EDT THIS MORNING FOR
BONITA BEACH TO SUWANNEE RIVER OUT 20 TO 60 NM.
SMALL CRAFT EXERCISE CAUTION UNTIL 10 AM EDT THIS MORNING FOR
BONITA BEACH TO SUWANNEE RIVER OUT TO 20 NM INCLUDING TAMPA
BAY.
&&
SHORT TERM/MARINE/FIRE...EO
LONG TERM/AVIATION...EJHazardous weather outlook, May 22, 5:00 AM EDT, 23 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 500 AM EDT TUE MAY 22 2007 FLZ039-042-043-048>052-055>057-060>062-065-222100- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 500 AM EDT TUE MAY 22 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY. ...THUNDERSTORM IMPACT... SCATTERED THUNDERSTORMS MAINLY SOUTH OF TAMPA THIS AFTERNOON WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH AND SMALL HAIL. ...FIRE WEATHER IMPACT... DRY AIR OVER WEST CENTRAL FLORIDA WILL ALLOW AFTERNOON RELATIVE HUMIDITY VALUES TO DROP UNDER 35 PERCENT FOR MORE THAN 4 HOURS ACROSS MUCH OF THE AREA...WITH THE LONGEST DURATIONS OVER THE INTERIOR AND NORTH FLORIDA. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. ...FIRE WEATHER IMPACT... DRY AIR WILL PERSIST OVER WEST CENTRAL FLORIDA THROUGH MUCH OF THE WEEK. INCREASING NORTHEAST WINDS WEDNESDAY NIGHT AND THURSDAY WILL ALSO POSE A HAZARD TO ANY ONGOING WILDFIRES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. OGLESBY
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 2:05 PM EDT | Fire Weather Watch | TBW | DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter | 15 hr |
Nearby
Red Flag Warnings in Florida, 2007Every red flag warning in 2007
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.