Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 76, NWS Tampa Bay, FL

June 30, 2006Sumter County, Florida

NWS Tampa Bay, FL issued this red flag warning at Jun 30, 2006, 1:29 PM EDT for Sumter County, Florida. 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
Jun 30, 2006, 1:29 PM EDT (17:29 UTC)
Expired
Jun 30, 2006, 7:00 PM EDT
In force
6 hr
Issued by
NWS Tampa Bay, FL

County Sumter County, FL

The radar

The Tampa radar (KTBW), 116 km from the middle of the area, began a volume at 17:31 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, 5.5 hours before the alert went out and 116 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 2006-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1043 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 2006-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1043 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1023 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
12 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 301729
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
129 PM EDT FRI JUN 30 2006

...RED FLAG WARNING FOR LEVY...CITRUS...HERNANDO AND SUMTER
COUNTIES FOR RELATIVE HUMIDITY DURATIONS FOR 4 TO 6 HOURS...


FLZ039-042-043-048-302300-
/O.NEW.KTBW.FW.W.0076.060630T1729Z-060630T2300Z/
LEVY-CITRUS-SUMTER-HERNANDO-
129 PM EDT FRI JUN 30 2006

...RED FLAG WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM EDT
THIS EVENING. 

A VERY DRY AIRMASS IS MOVING OVER NORTH CENTRAL FLORIDA. RELATIVE
HUMIDITY VALUES WILL DROP INTO THE UPPER 20S TO LOWER 30S AND
THESE VALUES WILL CONTINUE UNTIL LATE THIS AFTERNOON OR EARLY THIS
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.

$$

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 Jun 30, 10:10 AM EDT, 3 hours 19 minutes earlier.

Area forecast discussion, Jun 30, 10:10 AM EDT, 3 hours 19 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
1010 AM EDT FRI JUN 30 2006

.DISCUSSION...STATIONARY FRONT ASSOCIATED WITH THE EAST COAST
UPPER-LEVEL TROUGH IS CURRENTLY LOCATED ACROSS NORTH-CENTRAL
FLORIDA. SHOWERS ONGOING ALONG THE FRONT IN THE NORTHERN GULF IN
ASSOCIATION WITH THE FRONT. FEW OFFSHORE SHOWERS FORMING NORTH OF
THE TAMPA AREA ALSO ALONG THE FRONT... AS WELL AS AROUND THE
SOUTHERN TIP OF FLORIDA.  LOWER DEWPOINTS OVER NORTHERN FLORIDA WILL
INHIBIT ANY CHANCE OF RAIN FOR TODAY. ALONG THE FRONT...HIGH
DEWPOINTS, 2800 J/KG OF CAPE AT TBW AND 4700 J/KG AT MFL,
PRECIPITABLE WATER VALUES AT 1.7 AT TBW AND 1.8 AT MFL, AND THE
AFTERNOON SEA BREEZE WILL LEAVE US WITH A CHANCE OF SHOWERS IN THE
AFTERNOON. BEST CHANCES WILL BE IN THE CENTRAL AND SOUTHERN CWA AND
COASTAL AREAS...AS DRIER AIR IS IN PLACE OVER THE NORTHERN COUNTIES.
WILL LEAVE LOW CHANCE POPS OVER NORTHERN CWA. MAIN THREAT FROM
STRONGEST STORMS WILL BE SMALL HAIL AND BRIEF GUSTY WINDS. BY 06Z
MOST SHOWER ACTIVITY SHOULD BE OFFSHORE. CURRENT ZONE FORECASTS ARE
ON TRACK...NO MORNING UPDATE NEEDED.

&&

.MARINE...LIGHT WINDS WILL CONTINUE WITH NO HIGHLIGHTS EXPECTED. AN
EASTERLY WIND FLOW WILL DEVELOP AS A RIDGE OF HIGH PRESSURE BUILDS
TO THE NORTH. THIS MAY RESULT IN EVENING EASTERLY SURGES WITH WINDS
INCREASING TO 10 TO 15 KNOTS AND SEAS BUILDING TO 3 FEET OFFSHORE.
SHOWERS AND STORMS WILL PUSH OFFSHORE DURING THE LATE AFTERNOON AND
EARLY EVENING AS AFTERNOON SEA BREEZE CONVERGENCE MOVES OFFSHORE.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GULF WATERS...NONE.

&&

SM/CP
Hazardous weather outlook, Jun 30, 4:48 AM EDT, 8 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
448 AM EDT FRI JUN 30 2006

FLZ039-042-043-048>052-055>057-060>062-065-301500-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
448 AM EDT FRI JUN 30 2006

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL DEVELOP ONCE AGAIN THIS AFTERNOON.
THUNDERSTORMS SHOULD MOVE FROM EAST TO WEST TODAY...WITH THE
STRONGEST STORMS OCCURRING LATE THIS AFTERNOON NEAR THE GULF COAST.
A FEW STORMS MAY BE ACCOMPANIED BY STRONG AND GUSTY WINDS...BUT
SEVERE THUNDERSTORMS ARE NOT EXPECTED.

FIRE WEATHER...PORTIONS OF THE NATURE COAST MAY SEE RELATIVE
HUMIDITY VALUES DROP TO LESS THAN 4O PERCENT FOR A FEW HOURS THIS
AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SCATTERED THUNDERSTORMS WILL DEVELOP OVER THE INTERIOR EACH
AFTERNOON THEN MOVE BACK TOWARD THE GULF COAST. A FEW OF THESE
STORMS COULD CONTAIN STRONG BUSY WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME

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.