Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 49, NWS Tampa Bay, FL

April 15, 20064 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Apr 15, 2006, 2:20 AM EDT for 4 counties in Florida. It took effect at Apr 15, 2006, 2:00 PM EDT. It was in force for 5 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
Apr 15, 2006, 2:20 AM EDT (06:20 UTC)
In effect from
Apr 15, 2006, 2:00 PM EDT
Expired
Apr 15, 2006, 7:00 PM EDT
In force
5 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 06:18 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, 6.3 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 2006-04-15Temperature 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 00:00Z on 2006-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 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
2192 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
29 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 150620
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
220 AM EDT SAT APR 15 2006

...A RED FLAG WARNING IN EFFECT THIS AFTERNOON FOR SUMTER...POLK...
HARDEE...AND HIGHLANDS COUNTIES AS WELL AS INTERIOR PORTIONS OF
PASCO...HERNANDO...AND HILLSBOROUGH COUNTIES MAINLY EAST OF I-75
FOR 4 OR MORE HOURS OF LOW RELATIVE HUMIDITIES BELOW 35 PERCENT...

.DRY AIR COMBINED WITH TEMPERATURES CLIMBING INTO THE MID AND UPPER
80S WILL SUPPORT RELATIVE HUMIDITY VALUES DROPPING TO BELOW 35 PERCENT
FOR 4 OR MORE HOURS DURING THIS AFTERNOON.

FLZ039-042-150730-
/O.CAN.KTBW.FW.A.0039.060415T1800Z-060415T2300Z/
LEVY-CITRUS-
220 AM EDT SAT APR 15 2006

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
CANCELLED THE FIRE WEATHER WATCH. A DEVELOPING SOUTHWEST TO WESTERLY
WIND FLOW SHOULD HELP TO KEEP HUMIDITY VALUES ABOVE CRITICAL VALUES
DURING THE AFTERNOON...THUS THE FIRE WEATHER WATCH FOR LEVY AND
CITRUS COUNTIES HAS BEEN CANCELLED.

$$

FLZ043-048-049-052-056-057-152300-
/O.UPG.KTBW.FW.A.0039.060415T1800Z-060415T2300Z/
/O.NEW.KTBW.FW.W.0049.060415T1800Z-060415T2300Z/
SUMTER-HERNANDO-PASCO-POLK-HARDEE-HIGHLANDS-
220 AM EDT SAT APR 15 2006

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 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 FROM 2 PM THIS
AFTERNOON TO 7 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT. 

DRY AIR COMBINED WITH WARM AFTERNOON TEMPERATURES CLIMBING INTO THE
MID AND UPPER 80S WILL SUPPORT RELATIVE HUMIDITY VALUES DROPPING TO
BELOW 35 PERCENT FOR 4 OR MORE HOURS THIS AFTERNOON. THESE LOW 
HUMIDITY VALUES WILL ENHANCE THE SPREAD OF ANY FIRE THAT MAY START
WITHIN THE WARNING AREA. EXTRA CARE SHOULD BE TAKEN WITH ANY OUTDOOR
BARBECUING.

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.

$$

FLZ051-152300-
/O.NEW.KTBW.FW.W.0049.060415T1800Z-060415T2300Z/
HILLSBOROUGH-
220 AM EDT SAT APR 15 2006

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING MAINLY EAST OF I-75...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 7 PM EDT THIS EVENING. 

DRY AIR COMBINED WITH WARM AFTERNOON TEMPERATURES CLIMBING INTO THE
MID AND UPPER 80S WILL SUPPORT RELATIVE HUMIDITY VALUES DROPPING TO
BELOW 35 PERCENT FOR 4 OR MORE HOURS OVER INLAND SECTIONS THIS AFTERNOON.
THESE LOW HUMIDITY VALUES WILL ENHANCE THE SPREAD OF ANY FIRE THAT MAY
START WITHIN THE WARNING AREA THIS AFTERNOON. EXTRA CARE SHOULD BE TAKEN 
WITH ANY OUTDOOR BARBECUING.

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.

$$

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 Apr 14, 8:00 PM EDT, 6 hours 20 minutes earlier.

Area forecast discussion, Apr 14, 8:00 PM EDT, 6 hours 20 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
800 PM EDT FRI APR 14 2006

.DISCUSSION...SURFACE HIGH PRESSURE RIDGE HAS NOW SLIPPED A LITTLE
FURTHER SOUTH AND STRETCHES WEST-EAST FROM THE GULF OF MEXICO ACROSS
THE FLORIDA PENINSULA AND OUT INTO ATLANTIC.  RIDGE WILL REMAIN
NEARLY STATIONARY THROUGH SATURDAY WITH A RATHER LIGHT AND VARIABLE
FLOW WITH A DECENT SEA BREEZE DEVELOPING SATURDAY AFTERNOON.  FOR
TONIGHT...WINDS WILL BECOME LIGHT WITH SKIES REMAINING MOSTLY CLEAR
TO PARTLY CLOUDY WITH JUST SOME HIGH CLOUDS SPILLING SOUTH OVER THE
UPPER LEVEL RIDGE CENTERED OVER OLD MEXICO.  CURRENT ZONE FORECAST
LOOKS GOOD AND NO EVENING UPDATE PLANNED.

&&

.MARINE...CURRENTLY WINDS ARE RATHER VARIABLE OFFSHORE WITH
WEAKENING SEA BREEZE NEAR THE COAST.  WINDS WILL REMAIN VARIABLE
ACROSS THE NORTHERN HALF AND BECOME LIGHT EASTERLY FURTHER SOUTH.
PRESENT MARINE FORECAST LOOKS ON TRACK AND NO MAJOR CHANGES PLANNED
FOR LATE EVENING MARINE FORECAST.

&&

.AVIATION...VFR CONDITIONS EXPECTED THROUGH SATURDAY.

&&

.TBW WATCHES/WARNINGS/ADVISORIES...

FL...FIRE WEATHER WATCH FROM SATURDAY AFTERNOON THROUGH SATURDAY
     EVENING FOR CITRUS-HARDEE-HERNANDO-HIGHLANDS-LEVY-PASCO-
     POLK-SUMTER.

GULF WATERS...NONE.

&&

SHORT TERM/MARINE....PRC
LONG TERM/AVIATION...JLC
Hazardous weather outlook, Apr 14, 5:37 AM EDT, 20 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
537 AM EDT FRI APR 14 2006

FLZ039-042-043-048>052-055>057-060>062-065-141545-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
537 AM EDT FRI APR 14 2006

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

.DAY ONE...TODAY AND TONIGHT

DRY CONDITIONS ARE BACK WITH A RED FLAG WARNING FOR LOW RELATIVE
HUMIDITIES TODAY. PATCHY FOG MAY LIMIT VISIBILITIES IN INTERIOR
AREAS THIS MORNING. OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

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.