Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 64, NWS Tampa Bay, FL

May 17, 20065 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at May 17, 2006, 12:44 PM EDT for 5 counties in Florida. It took effect at May 17, 2006, 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 17, 2006, 12:44 PM EDT (16:44 UTC)
In effect from
May 17, 2006, 1:00 PM EDT
Expired
May 17, 2006, 8:00 PM EDT
In force
7 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 16:48 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, 4.7 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 2006-05-17Temperature 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 2006-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 square meters per square second.1939587897Sfc1 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
1413 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
86 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 171644
RFWTBW

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1244 PM EDT WED MAY 17 2006

...RED FLAG WARNING IN EFFECT UNTIL 8 PM TODAY FOR LEVY...
CITRUS...SUMTER...POLK...HARDEE...DESOTO...AND HIGHLANDS COUNTIES
FOR LOW HUMIDITIES WITH LONG DURATIONS...


FLZ039-042-043-052-056-057-061-180000-
/O.NEW.KTBW.FW.W.0064.060517T1700Z-060518T0000Z/
LEVY-CITRUS-SUMTER-POLK-HARDEE-HIGHLANDS-DE SOTO-
1244 PM EDT WED MAY 17 2006

...RED FLAG WARNING IN EFFECT UNTIL 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 UNTIL 8 PM EDT
THIS EVENING. 

HIGH PRESSURE BUILDING INTO THE REGION HAS BROUGHT A DRY AIRMASS OVER
THE AREA. EVEN DRIER AIR ALOFT IS EXPECTED TO MIX DOWN THIS
AFTERNOON DROPPING MINIMUM RELATIVE HUMIDITY VALUES BELOW 35
PERCENT FOR FOUR HOURS OR MORE.


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 May 17, 9:10 AM EDT, 3 hours 34 minutes earlier.

Area forecast discussion, May 17, 9:10 AM EDT, 3 hours 34 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
910 AM EDT WED MAY 17 2006

.DISCUSSION...THE COLD FRONT IS WELL SOUTH OF THE CWA THIS MORNING
WITH MOSTLY CLEAR SKIES THROUGH THE TAMPA BAY AREA AND PARTLY
CLOUDY SKIES ACROSS THE SOUTH AND SOUTHERN INTERIOR COUNTIES. THE
CLOUDS WILL CONTINUE TO MOVE OUT OF THE AREA TODAY AS HIGH
PRESSURE BUILDS OVER THE GULF AND RIDGES ACROSS THE STATE. TEMPS
ARE CURRENTLY IN THE UPPER 60S TO LOWER 70S ACROSS THE AREA WITH
DEWPOINTS IN THE MID TO UPPER 50S. DRIER AIR WILL CONTINUE TO
SETTLE IN ACROSS THE AREA THIS AFTERNOON AND ALLOW MIN RHS TO FALL
INTO THE MID 30 PERCENT RANGE FOR A COUPLE OF HOURS MAINLY ACROSS
THE NORTHERN AND CENTRAL INLAND ZONES. WILL KEEP AN EYE ON THESE
LOCATIONS FOR ANY POSSIBLE FIRE WEATHER CONCERNS...BUT DO NOT
ANTICIPATE CRITICAL RH DURATIONS TO BE MORE THAN A COUPLE OF
HOURS. WILL UPDATE THE ZONES TO ADJUST THE CLOUDS AND REMOVE EARLY
MORNING SPRINKLES WORDING BUT FORECAST GENERALLY ON TRACK.

&&

.MARINE...BUOYS REPORTING GENERALLY N/NW WINDS AT AROUND 10 KNOTS
WITH SEAS OF 2-3 FT. WILL ADJUST THE WINDS DOWN A BIT FOR UPDATE
AS CURRENTLY ADVERTISING AROUND 15 KNOTS BUT REST OF FORECAST ON
TRACK.

&&

.AVIATION...VFR EXPECTED THROUGH THE TERM...WITH SCT-BKN CLOUDS
CURRENTLY ACROSS FMY AND RSW CLEARING OUT OVER THE NEXT COUPLE OF
HOURS.

&&

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

&&

SHORT TERM/MARINE...24
LONG TERM/AVIATION...25
Hazardous weather outlook, May 17, 4:43 AM EDT, 8 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
443 AM EDT WED MAY 17 2006

FLZ039-042-043-048>052-055>057-060>062-065-171500-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
443 AM EDT WED MAY 17 2006

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

.DAY ONE...TODAY AND TONIGHT

MUCH DRIER AIR WILL SLOWLY FILTER SOUTHWARD THROUGH THE STATE
TODAY. THIS WILL ALLOW RELATIVE HUMIDITY VALUES TO FALL TO NEAR
CRITICAL LEVELS FOR ONE TO THREE HOURS THIS AFTERNOON...MAINLY
OVER THE INTERIOR. IF THE DRY AIR MOVES IN MORE QUICKLY THAN
FORECAST...A SHORT FUSED RED FLAG WARNING MAY BE NEEDED FOR
PORTIONS OF INTERIOR WEST CENTRAL FLORIDA.

WINDS WILL INCREASE TO 15 TO 20 MPH OVER THE REGION TODAY. THIS
WILL MAKE FOR CHOPPY CONDITIONS ON LARGER LAKES THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

WARM AND RELATIVELY DRY CONDITIONS WILL SLOWLY GIVE WAY TO
INCREASING LOW-LEVEL MOISTURE EARLY NEXT WEEK. THURSDAY AND
FRIDAY WILL STILL SEE RELATIVE HUMIDITY VALUES BETWEEN 35 AND 40
PERCENT EACH AFTERNOON...BUT RED FLAG CONDITIONS ARE NOT EXPECTED
AT THIS TIME.

ENOUGH MOISTURE MAY FINALLY RETURN ON TUESDAY FOR THE FORMATION OF
AFTERNOON SHOWERS AND THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

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.