Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 1, NWS Tampa Bay, FL

January 8, 20076 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Jan 8, 2007, 1:46 PM EST for 6 counties in Florida. It took effect at Jan 9, 2007, 11:00 AM EST. 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
Jan 8, 2007, 1:46 PM EST (18:46 UTC)
In effect from
Jan 9, 2007, 11:00 AM EST
Expired
Jan 9, 2007, 6:00 PM EST
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 18:49 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, 6.8 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 12:00Z on 2007-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 170 joules per kilogram.LCLLFCEL10008507005003002001001 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 2007-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
170 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WWUS82 KTBW 081846
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
146 PM EST MON JAN 8 2007

...RED FLAG WARNING IN EFFECT FROM LATE TUESDAY MORNING THROUGH
TUESDAY AFTERNOON FOR ALL COUNTIES IN WEST CENTRAL AND SOUTHWEST
FLORIDA EXCEPT PINELLAS...

.A COLD FRONT WILL MOVE ACROSS THE REGION TODAY FOLLOWED BY
COOLER AND MUCH DRIER AIR TONIGHT AND TUESDAY. THIS WILL INCREASE
THE FIRE WEATHER DANGER ACROSS THE AREA TUESDAY.

FLZ039-042-043-048-049-092300-
/O.UPG.KTBW.FW.A.0001.070109T1600Z-070109T2300Z/
/O.NEW.KTBW.FW.W.0001.070109T1600Z-070109T2300Z/
/O.NEW.KTBW.FW.A.0002.070110T1600Z-070110T2300Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-
146 PM EST MON JAN 8 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM EST TUESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 6 PM
EST TUESDAY. 

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER
WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON. THE FIRE WEATHER WATCH FOR TUESDAY IS NO LONGER IN
EFFECT.

COOLER AND MUCH DRIER AIR WILL MOVE INTO THE REGION TONIGHT AND
TUESDAY BEHIND A COLD FRONT. FOUR OR MORE HOURS OF RELATIVE
HUMIDITY BELOW 35 PERCENT IS EXPECTED ACROSS THE WARNING AREA FROM 
LATE TUESDAY MORNING THROUGH THE AFTERNOON. ALSO...NORTH TO
NORTHWEST WINDS WILL INCREASE TO BETWEEN 10 AND 15 MPH.

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.

$$

FLZ051-052-055>057-060>062-065-092300-
/O.UPG.KTBW.FW.A.0001.070109T1600Z-070109T2300Z/
/O.NEW.KTBW.FW.W.0001.070109T1600Z-070109T2300Z/
HILLSBOROUGH-POLK-MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-
CHARLOTTE-LEE-
146 PM EST MON JAN 8 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 6 PM
EST TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

COOLER AND MUCH DRIER AIR WILL MOVE INTO THE REGION TONIGHT AND
TUESDAY BEHIND A COLD FRONT. FOUR OR MORE HOURS OF RELATIVE
HUMIDITY BELOW 35 PERCENT IS EXPECTED ACROSS THE WARNING AREA
LATE TUESDAY MORNING THROUGH TUESDAY AFTERNOON. ALSO...NORTH TO
NORTHWEST WINDS WILL INCREASE TO BETWEEN 10 AND 15 MPH.

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

$$
1 follow-up statement
000 
WWUS82 KTBW 091614
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1114 AM EST TUE JAN 9 2007

...RED FLAG WARNING IN EFFECT FROM THIS MORNING THROUGH THE AFTERNOON
FOR ALL COUNTIES IN WEST CENTRAL AND SOUTHWEST FLORIDA...

.THE COLD FRONT WHICH MOVED ACROSS THE REGION YESTERDAY IS BEING FOLLOWED
BY COOLER AND MUCH DRIER AIR FOR TODAY. RH VALUES ACROSS OF THE
AREA ARE CURRENTLY AT RED FLAG LEVELS AND ARE EXPECTED TO GO AS
LOW AS 25 PERCENT THIS AFTERNOON. THIS WILL INCREASE THE FIRE
WEATHER DANGER ACROSS THE AREA TUESDAY.

FLZ050-092300-
/O.EXA.KTBW.FW.W.0001.000000T0000Z-070109T2300Z/
PINELLAS-
1114 AM EST TUE JAN 9 2007

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

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 AFTERNOON. 

COOLER AND MUCH DRIER AIR CONTINUES TO MOVE IN TODAY. FOUR OR
MORE HOURS OF RELATIVE HUMIDITY BELOW 35 PERCENT IS EXPECTED
ACROSS THE WARNING AREA THROUGH THE AFTERNOON. ALSO...NORTH 
WINDS WILL BE 15 MPH AND GUSTY.

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

$$

FLZ039-042-043-048-049-092300-
/O.CON.KTBW.FW.W.0001.000000T0000Z-070109T2300Z/
/O.CON.KTBW.FW.A.0002.070110T1600Z-070110T2300Z/
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-
1114 AM EST TUE JAN 9 2007

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

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY
MORNING THROUGH WEDNESDAY AFTERNOON. 

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER
WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON. THE FIRE WEATHER WATCH FOR TODAY IS NO LONGER IN
EFFECT.

COOLER AND MUCH DRIER AIR CONTINUES TO MOVE IN TODAY. FOUR OR
MORE HOURS OF RELATIVE HUMIDITY BELOW 35 PERCENT IS EXPECTED
ACROSS THE WARNING AREA THROUGH THE AFTERNOON. ALSO...NORTH 
WINDS WILL BE 15 MPH AND GUSTY.

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.

$$

FLZ051-052-055>057-060>062-065-092300-
/O.CON.KTBW.FW.W.0001.000000T0000Z-070109T2300Z/
HILLSBOROUGH-POLK-MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-
CHARLOTTE-LEE-
1114 AM EST TUE JAN 9 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON. 

COOLER AND MUCH DRIER AIR CONTINUES TO MOVE IN TODAY. FOUR OR
MORE HOURS OF RELATIVE HUMIDITY BELOW 35 PERCENT IS EXPECTED
ACROSS THE WARNING AREA THROUGH THE AFTERNOON. ALSO...NORTH 
WINDS WILL BE 15 MPH AND GUSTY.

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

$$

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 Jan 8, 1:22 PM EST, 24 minutes earlier.

Area forecast discussion, Jan 8, 1:22 PM EST, 24 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
122 PM EST MON JAN 8 2007

.SHORT TERM (TONIGHT-WEDNESDAY)...COLD AND DRY CONDITIONS TO FINALLY
ARRIVE OVERNIGHT THRU THU AM.

SAT IMAGERY SHOWING NARROW CLOUD SHIELD AND BROKEN BAND OF SHOWERS
QUICKLY MOVING DOWN THE FL PENINSULA THIS AFTERNOON. ELONGATED
STRONG VORT LOBE TO CONTINUE TO PUSH THIS ACTIVITY SE OF THE AREA
TONIGHT WITH DRY UPPER WNW FLOW FOR TUE-WED. HAVE KEPT SLIGHT
CHANCE POPS SOUTHERN ZONES FOR ANY LINGERING LIGHT RAIN BEFORE
MIDNIGHT. SFC HIGH PRESSURE FROM THE ROCKIES TO TX BEGINNING TO
FILTER INTO THE DEEP SOUTH BEHIND FRONT THIS EVENING-TUE. CLEARING SKIES
TONIGHT FROM N TO S AND COLD AIR ADVECTION TO DROP OVERNIGHT TEMPS
INTO THE UPPER 30 N TO THE MID 40 OVER INTERIOR BAY AREA AND
AROUND 50 SOUTHERN ZONES. MUCH COLDER THAN LAST FEW DAYS AND 5-10
DEGREES BELOW NORMAL.

CLEAR...COOL AND DRY CONDITIONS REST OF TUE-WED AS WELL. SFC HIGH
CENTER SETTLES OVER THE DEEP SOUTH MAX TEMPS ONLY IN THE MID TO UPPER
60S MOST AREAS WHILE OVERNIGHT TEMPS PLUMMET TO NEAR FREEZING
NORTHERN AREAS TO UPPER 30S INTERIOR CENTRAL AND SOUTHERN ZONES.
IF WINDS REMAIN UP MAY SEE A FEW HOURS OF COLD WIND CHILL VALUES
WED AM AS WELL.

.LONG TERM (WED NIGHT-MON)...MODELS CONTINUE IN GENERALLY GOOD
AGREEMENT THROUGH THE EXTENDED PERIOD. AN UPPER RIDGE OVER THE GULF
AND FL SLIDES NE ACROSS THE STATE TO THE ATLANTIC WITH STABLE
CONDITIONS AND AIDING IN THE WARMING TREND. A SURFACE HIGH ALONG THE
EASTERN SEA BOARD THU MOVES OUT OVER THE OPEN ATLANTIC FRI THROUGH
MON...RIDGING BACK ACROSS THE SE U.S. AND FL AS IT DOES. THIS
PROVIDES A NE LOW LEVEL FLOW THAT VEERS TO MORE EASTERLY WITH
MODERATING TEMPERATURES AND MOISTURE.

&&

.AVIATION...PROBLEMS TO CONTINUE AT THE TAF SITES UNTIL THIS
EVENING...BETWEEN 23-03Z. LINE OF SHRA AHEAD OF FRONT FALLING APART
AS IT MOVES ONSHORE. WILL DOWN PLAY PCPN WITH VCSH AT KTPA/KPIE
AND TEMPO SHRA AT KSRQ TO KRSW. ALL SITES WILL HAVE TEMPO MVFR CIG IN
TO THE EVENING HOURS.

&&

.MARINE...GRADIENT TIGHTENING BETWEEN COLD FRONT MOVING OVER THEN E
OF THE STATE AND SFC HIGH PRESSURE BUILDING INTO THE REGION FROM
THE NW. SCEC CONDITIONS OF 15-20 KNOTS WITH HIGHER GUSTS AND 6 FT
SEAS ONGOING OVER NORTHERN WATERS ATTM. EXPECT CONSISTENT GRADIENT
TONIGHT TO HOLD CONDITIONS SIMILAR...BUT IF GRADIENT TIGHTENS ANY
FURTHER WILL NEED TO HOIST SCA. SO WILL CONTINUE TO MONITOR BUOY
DATA. TIGHT GRADIENT CONTINUES TUE-MID-LATE WEEK FOR ELEVATED
WINDS AND SEAS AS WINDS VEER EASTERLY.

&&

.FIRE WEATHER...VERY DRY AIRMASS FILTERING OVER THE PENINSULA FOR
TUE. EXPECT MIN RHS TO DROP INTO THE UPPER 20S INTERIOR AND LOWER
30S CLOSER TO THE COAST FOR LONG DURATIONS...SO HAVE UPGRADED WATCH
TO RED FLAG WARNING ALL AREAS EXCEPT PINELLAS. WED CONTINUED DRY
ESPECIALLY OVER NORTHERN AREAS AND HAVE ISSUED WATCH FOR THOSE
AREAS. E FLOW TO BEGIN THU WITH ATLANTIC MOISTURE RETURNING.

&&

.PRELIMINARY POINT TEMPS/POPS...
TPA  49  66  41  63 /  10   0   0   0
FMY  56  69  43  68 /  20   0   0   0
GIF  49  66  40  64 /  10   0   0   0
SRQ  52  66  41  64 /  10   0   0   0
BKV  39  66  33  62 /   5   0   0   0
SPG  54  65  47  61 /  10   0   0   0

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...RED FLAG WARNING FROM 11 AM TO 6 PM EST TUESDAY FOR CHARLOTTE-
     CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-
     LEVY-MANATEE-PASCO-POLK-SARASOTA-SUMTER.

     FIRE WEATHER WATCH FROM WEDNESDAY MORNING THROUGH WEDNESDAY
     AFTERNOON FOR CITRUS-HERNANDO-LEVY-PASCO-SUMTER.

GULF WATERS...SMALL CRAFT EXERCISE CAUTION FROM 4 PM EST THIS AFTERNOON
     THROUGH TUESDAY AFTERNOON FOR BONITA BEACH TO ENGLEWOOD OUT
     20 NM-BONITA BEACH TO ENGLEWOOD OUT 20 TO 60 NM-ENGLEWOOD
     TO TARPON SPRINGS OUT 20 NM-ENGLEWOOD TO TARPON SPRINGS OUT
     20 TO 60 NM.

     SMALL CRAFT EXERCISE CAUTION THROUGH TUESDAY AFTERNOON FOR
     TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM-TARPON SPRINGS
     TO SUWANNEE RIVER OUT 20 TO 60 NM.

&&

SHORT TERM/MARINE...RD
LONG TERM/AVIATION...RKR
Hazardous weather outlook, Jan 8, 5:25 AM EST, 8 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
525 AM EST MON JAN 8 2007

FLZ039-042-043-048>052-055>057-060>062-065-081500-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
525 AM EST MON JAN 8 2007

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

.DAY ONE...TODAY AND TONIGHT

A COLD FRONT WILL MOVE ACROSS THE REGION TODAY PROCEEDED AND
ACCOMPANIED BY A FEW SHOWERS. SEVERE WEATHER IS NOT EXPECTED
AS THE UPPER LEVEL ENERGY WILL MOVE OFF TO THE NORTHEAST BEFORE
REACHING OUR AREA.

WINDS AND SEAS WILL INCREASE TO AT LEAST SMALL CRAFT EXERCISE
CAUTION CRITERIA AS THE COLD FRONT MOVES THROUGH THE REGION
TODAY AND TONIGHT. WINDS OF 15 TO 20 KNOTS AND SEAS OF 2 TO
4 FEET NEAR SHORE AND 4 TO 6 FEET OFFSHORE WILL DEVELOP LATER
TODAY AND CONTINUE THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WINDS OF 15 TO 20 KNOTS AND SEAS OF 2 TO 4 FEET NEAR SHORE AND
4 TO 6 FEET OFFSHORE WILL LIKELY PERSIST THROUGH AT LEAST
THURSDAY.

VERY DRY AIR BEHIND THE COLD FRONT WILL RESULT IN LOW RELATIVE
HUMIDITY VALUES TUESDAY AFTERNOON. THIS COMBINED WITH MODERATE
NORTH TO NORTHWEST WINDS MAY RESULT IN DANGEROUS FIRE WEATHER
CONDITIONS AND THUS A FIRE WEATHER WATCH HAS BEEN ISSUED FOR
MOST OF WEST CENTRAL AND SOUTHWEST FLORIDA. SOME MOISTURE WILL
RETURN ON WEDNESDAY...BUT CRITICAL RELATIVE HUMIDITY VALUES MAY
STILL OCCUR DURING THE AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

PRC

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 5:30 AM ESTFire Weather WatchTBWDeSoto, Hardee, Highlands, Polk, Sumter8 hr
Jan 8, 1:46 PM ESTFire Weather WatchTBWSumter42 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.