Alert archive / Florida / Red Flag Warnings in 2013

Red Flag Warning 19, NWS Tampa Bay, FL

March 26, 20136 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Mar 26, 2013, 6:01 AM EDT for 6 counties in Florida. It took effect at Mar 26, 2013, 10:00 AM EDT. It was in force for 10 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: Mar 26, 2013, 6:01 AM EDT (10:01 UTC)
In effect from: Mar 26, 2013, 10:00 AM EDT
Expired: Mar 26, 2013, 8:00 PM EDT
In force: 10 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 10:06 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, 10.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2218 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: -262 m²/s²
0-3 km storm-relative helicity: -71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Mar 26, 5:14 AM EDT, 47 minutes earlier.

Area forecast discussion, Mar 26, 5:14 AM EDT, 47 minutes before

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Hazardous weather outlook, Mar 25, 6:11 AM EDT, 23 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
611 AM EDT MON MAR 25 2013

FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-870-
873-876-252215-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DESOTO-CHARLOTTE-LEE-
TAMPA BAY WATERS-TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 NM-
TARPON SPRINGS TO SUWANNEE RIVER OUT 20 TO 60 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 TO 60 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 TO 60 NM-
611 AM EDT MON MAR 25 2013

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

.DAY ONE...TODAY AND TONIGHT.

...EXCESSIVE COLD IMPACT...
MUCH COLDER AIR WILL MOVE INTO THE REGION ON GUSTY NORTHWESTERLY
WINDS TODAY AND TONIGHT. WIND CHILL VALUES MAY FALL INTO THE 20S
OVER THE NATURE COAST BY TUESDAY MORNING.

...RIP CURRENT IMPACT...
THERE IS A HIGH RISK OF STRONG RIP CURRENTS TODAY. HAZARDOUS SURF
IS ALSO EXPECTED LATER THIS MORNING...CONTINUING INTO THIS
EVENING.

...WIND AND SEA IMPACT...
NORTHWESTERLY WINDS 20 TO 25 KNOTS AND SEAS UP TO 9 FEET WILL
RESULT IN HAZARDOUS CONDITIONS FOR SMALL CRAFT TODAY AND TONIGHT.

...FIRE WEATHER IMPACT...
GUSTY WINDS AND DRY AIR WILL RESULT IN ELEVATED FIRE WEATHER
DANGERS TODAY INCLUDING THE POTENTIAL FOR RAPIDLY SPREADING
WILDFIRES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

...EXCESSIVE COLD IMPACT...
IT WILL REMAIN COLD FOR A FEW DAYS WITH THE POTENTIAL FOR NEAR
FREEZING TEMPERATURES AND FROST WEDNESDAY MORNING. THE MOST LIKELY
AREAS TO SEE FROST WILL BE NORTH OF TAMPA BAY AWAY FROM THE COAST.

...WIND AND SEA IMPACT...
WINDS AND SEAS WILL REMAIN ELEVATED THROUGH AT LEAST TUESDAY
MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

JILLSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 8:11 PM EDT	Beach Hazards Statement	TBW	Pinellas	24 hr
Mar 25, 8:56 PM EDT	Fire Weather Watch	TBW	Highlands, Pinellas, Polk	9 hr
Mar 26, 3:40 PM EDT	Frost Advisory	TBW	Highlands	18 hr
Mar 26, 3:40 PM EDT	Freeze Warning	TBW	Sumter	18 hr

Nearby

Red Flag Warnings in Florida, 2013 Every red flag warning in 2013

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.