Alert archive / Florida / Red Flag Warnings in 2016

Red Flag Warning 2, NWS Tampa Bay, FL

March 21, 201614 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Mar 21, 2016, 4:24 AM EDT for 14 counties in Florida. It took effect at Mar 21, 2016, 11:00 AM 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
Mar 21, 2016, 4:24 AM EDT (08:24 UTC)
In effect from
Mar 21, 2016, 11:00 AM EDT
Expired
Mar 21, 2016, 6:00 PM EDT
In force
7 hr
Issued by
NWS Tampa Bay, FL

Counties Charlotte County, FL, Citrus County, FL, DeSoto County, FL, Hardee County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Lee County, FL, Manatee County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Sarasota County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 27 km from the middle of the area, began a volume at 08:26 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, 8.4 hours before the alert went out and 27 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 2016-03-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2016-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.1939587897117136Sfc1 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
24 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

411 
WWUS82 KTBW 210824
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
424 AM EDT MON MAR 21 2016

...RED FLAG WARNING UNTIL 6 PM EDT FOR GUSTY WIND AND LOW
HUMIDITY...

.OVERVIEW...ERC REBOUNDED TO 29-33 ACROSS ALL BUT LEVY COUNTY. 
EXPECT 5 TO 8 HOURS OF HUMIDITY BELOW 35 PERCENT THIS AFTERNOON.
SUSTAINED NORTH WIND 15 MPH POSSIBLE BETWEEN 11 AM TO 6 PM

FLZ043-050-052-056-057-061-142-148-149-151-155-160-162-165-242-
248-249-251-255-260-262-265-212030-
/O.NEW.KTBW.FW.W.0002.160321T1500Z-160321T2200Z/
SUMTER-PINELLAS-POLK-HARDEE-HIGHLANDS-DESOTO-COASTAL CITRUS-
COASTAL HERNANDO-COASTAL PASCO-COASTAL HILLSBOROUGH-
COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-COASTAL LEE-
INLAND CITRUS-INLAND HERNANDO-INLAND PASCO-INLAND HILLSBOROUGH-
INLAND MANATEE-INLAND SARASOTA-INLAND CHARLOTTE-INLAND LEE-
424 AM EDT MON MAR 21 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EDT
THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY...

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

* AFFECTED AREA...WEST CENTRAL AND SOUTHWEST FLORIDA.

* WIND...BECOMING NORTH 15 TO 25 MPH BUT SLOWLY DIMINISHING THIS
  AFTERNOON. 

* HUMIDITY...DROPPING TO 25 TO 30 PERCENT THIS AFTERNOON. 

* ERC...29 TO 33 EXCEPT 26 IN LEVY COUNTY. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
054 
WWUS82 KTBW 212001
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
401 PM EDT MON MAR 21 2016

...RED FLAG WARNING CONTINUES UNTIL 6 PM EDT FOR 15 MPH SUSTAINED
WINDS AND HUMIDITY BELOW 35 PERCENT...

.OVERVIEW...WINDS CONTINUE AROUND 15 MPH ACROSS THE AREA...THOUGH
THE GUSTINESS IS DIMINISHING THIS AFTERNOON. RELATIVE HUMIDITY
VALUES ARE GENERALLY 25 TO 30 PERCENT ACROSS MUCH OF THE AREA. 

FLZ043-050-052-056-057-061-142-148-149-151-155-160-162-165-242-
248-249-251-255-260-262-265-212200-
/O.CON.KTBW.FW.W.0002.000000T0000Z-160321T2200Z/
SUMTER-PINELLAS-POLK-HARDEE-HIGHLANDS-DESOTO-COASTAL CITRUS-
COASTAL HERNANDO-COASTAL PASCO-COASTAL HILLSBOROUGH-
COASTAL MANATEE-COASTAL SARASOTA-COASTAL CHARLOTTE-COASTAL LEE-
INLAND CITRUS-INLAND HERNANDO-INLAND PASCO-INLAND HILLSBOROUGH-
INLAND MANATEE-INLAND SARASOTA-INLAND CHARLOTTE-INLAND LEE-
401 PM EDT MON MAR 21 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING
FOR GUSTY WIND AND LOW HUMIDITY...

* AFFECTED AREA...WEST CENTRAL AND SOUTHWEST FLORIDA.

* WIND...NORTH AROUND 15 MPH AND GUSTY.

* HUMIDITY...25 TO 30 PERCENT.

* ERC...29 TO 33 EXCEPT 26 IN LEVY COUNTY.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 21, 4:19 AM EDTHigh Surf AdvisoryTBWCharlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota16 hr
Mar 21, 4:26 AM EDTFrost AdvisoryTBWCitrus, Hernando, Levy29 hr

Nearby

Red Flag Warnings in Florida, 2016Every red flag warning in 2016

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.