Alert archive / Florida / Red Flag Warnings in 2013

Red Flag Warning 21, NWS Tallahassee, FL

May 13, 20134 counties in Florida

NWS Tallahassee, FL issued this red flag warning at May 13, 2013, 8:21 PM CDT for 4 counties in Florida. It took effect at May 14, 2013, 11:00 AM CDT. It was in force for 8 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 13, 2013, 8:21 PM CDT (01:21 UTC)
In effect from
May 14, 2013, 11:00 AM CDT
Expired
May 14, 2013, 7:00 PM CDT
In force
8 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Leon County, FL, Wakulla County, FL, Washington County, FL

The radar

The Tallahassee radar (KTLH), 63 km from the middle of the area, began a volume at 01:24 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.4 hours before the alert went out and 66 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, Tallahassee Rgnl, FL at 00:00Z on 2013-05-14Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2013-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
3861 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
-7 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.

614 
WWUS82 KTAE 140121
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
921 PM EDT MON MAY 13 2013

...A RED FLAG WARNING IS IN EFFECT TOMORROW AFTERNOON THROUGH THE
EVENING FOR PORTIONS OF NORTH FLORIDA DUE TO LONG DURATIONS OF
LOW RELATIVE HUMIDITY PAIRED WITH HIGH ERC VALUES...

FLZ017-027-127-150000-
/O.EXP.KTAE.FW.W.0020.000000T0000Z-130514T0100Z/
/O.UPG.KTAE.FW.A.0013.130514T1700Z-130515T0000Z/
/O.NEW.KTAE.FW.W.0021.130514T1600Z-130515T0000Z/
LEON-INLAND WAKULLA-COASTAL WAKULLA-
921 PM EDT MON MAY 13 2013

...A RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM EDT TUESDAY FOR
LEON AND WAKULLA COUNTIES...

* HUMIDITY...MINIMUM VALUES AROUND 25 PERCENT FOR MORE THAN 4
  HOURS. 

* ERC...37 TO 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

&&

$$

FLZ012-112-150000-
/O.UPG.KTAE.FW.A.0013.130514T1700Z-130515T0000Z/
/O.NEW.KTAE.FW.W.0021.130514T1600Z-130515T0000Z/
INLAND BAY-COASTAL BAY-
821 PM CDT MON MAY 13 2013

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY
FOR BAY COUNTY...

* HUMIDITY...MINIMUM VALUES AROUND 25 PERCENT FOR MORE THAN 4
  HOURS. 

* ERC...37 TO 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.


&&

$$

FLZ010-150000-
/O.NEW.KTAE.FW.W.0021.130514T1600Z-130515T0000Z/
WASHINGTON-
821 PM CDT MON MAY 13 2013

...A RED FLAG WARNING IS IN EFFECT FOR WASHINGTON COUNTY...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 7 PM CDT TUESDAY. 

* HUMIDITY...MINIMUM VALUES AROUND 25 PERCENT FOR MORE THAN 4
  HOURS. 

* ERC...37 TO 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

&&

$$

HARRIGAN/NAVARRO
1 follow-up statement
513 
WWUS82 KTAE 140551
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
151 AM EDT TUE MAY 14 2013

...A RED FLAG WARNING REMAINS IN EFFECT FROM NOON EDT /11 AM CDT/
UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING FOR LEON...WAKULLA...BAY...
AND WASHINGTON COUNTIES...

FLZ010-012-017-027-112-127-150000-
/O.CON.KTAE.FW.W.0021.130514T1600Z-130515T0000Z/
WASHINGTON-INLAND BAY-LEON-INLAND WAKULLA-COASTAL BAY-
COASTAL WAKULLA-
151 AM EDT TUE MAY 14 2013 /1251 AM CDT TUE MAY 14 2013/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON EDT /11 AM CDT/
TODAY TO 8 PM EDT /7 PM CDT/ THIS EVENING...

* HUMIDITY...MINIMUM VALUES 21 TO 26 PERCENT FOR MORE THAN 4 
  HOURS. 

* ERC...37 TO 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

&&

$$

DVD

Nearby

Red Flag Warnings in Florida, 2013Every 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.