Alert archive / Florida / Red Flag Warnings in 2016

Red Flag Warning 7, NWS Mobile, AL

November 20, 2016Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this red flag warning at Nov 20, 2016, 2:14 AM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Nov 20, 2016, 10:00 AM CST. 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
Nov 20, 2016, 2:14 AM CST (08:14 UTC)
In effect from
Nov 20, 2016, 10:00 AM CST
Expired
Nov 20, 2016, 5:00 PM CST
In force
7 hr
Issued by
NWS Mobile, AL

Counties Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 102 km from the middle of the area, began a volume at 08:20 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, 8.2 hours before the alert went out and 259 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 2016-11-20Temperature 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 2016-11-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 square meters per square second.193958Sfc1 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
2456 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

141 
WWUS84 KMOB 200814
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
214 AM CST SUN NOV 20 2016

...A RED FLAG WARNING IS IN EFFECT FOR THE WESTERN FLORIDA PANHANDLE
THIS AFTERNOON DUE TO A LONG DURATION OF LOW HUMIDITY VALUES AND
HIGH ERC COMPONENTS...

...A FIRE WEATHER WATCH IS IN EFFECT FOR THE WESTERN FLORIDA
PANHANDLE MONDAY AFTERNOON DUE TO A LONG DURATION OF LOW HUMIDITY
VALUES AND POTENTIALLY HIGH ERC COMPONENTS...

.HIGH PRESSURE AND A VERY DRY AIRMASS BUILDS INTO THE REGION THROUGH
THE REMAINDER OF THE WEEKEND AND EARLY PART OF THIS WEEK...WITH
RELATIVE HUMIDITIES BELOW 28 PERCENT AND ERC VALUES AROUND OR ABOVE
37 FOR A PERIOD OF ROUGHLY 5 TO 7 HOURS BOTH SUNDAY AND MONDAY
AFTERNOONS ACROSS THE WESTERN FLORIDA PANHANDLE. AS A RESULT...A RED
FLAG WARNING HAS BEEN ISSUED FOR THESE LOCATIONS SUNDAY
AFTERNOON...AND A FIRE WEATHER WATCH HAS BEEN ISSUED FOR THESE AREAS
MONDAY AFTERNOON.

FLZ201>206-201615-
/O.UPG.KMOB.FW.A.0004.161120T1600Z-161120T2300Z/
/O.NEW.KMOB.FW.W.0007.161120T1600Z-161120T2300Z/
/O.NEW.KMOB.FW.A.0005.161121T1600Z-161121T2300Z/
ESCAMBIA INLAND-ESCAMBIA COASTAL-SANTA ROSA INLAND-
SANTA ROSA COASTAL-OKALOOSA INLAND-OKALOOSA COASTAL-
214 AM CST SUN NOV 20 2016

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON ACROSS THE WESTERN FLORIDA PANHANDLE FOR LOW RELATIVE
HUMIDITIES AND HIGH ERC VALUES...

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON ACROSS THE WESTERN FLORIDA PANHANDLE FOR LOW RELATIVE
HUMIDITIES AND HIGH ERC VALUES...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE
WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON.

* AFFECTED AREA...FIRE WEATHER ZONES 201...202...203...204... 
  205 AND 206.

* WIND...NORTH 8 TO 13 MPH.

* HUMIDITY...BELOW 28 PERCENT FOR 5 TO 7 HOURS...WITH MINIMUM VALUES
  OF 15 TO 20 PERCENT.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
1 follow-up statement
742 
WWUS84 KMOB 201602
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1002 AM CST SUN NOV 20 2016

...A RED FLAG WARNING IS IN EFFECT FOR THE WESTERN FLORIDA
PANHANDLE THIS AFTERNOON DUE TO A LONG DURATION OF LOW HUMIDITY
VALUES AND HIGH ERC COMPONENTS...

...A FIRE WEATHER WATCH IS IN EFFECT FOR THE WESTERN FLORIDA
PANHANDLE MONDAY AFTERNOON DUE TO A LONG DURATION OF LOW HUMIDITY
VALUES AND POTENTIALLY HIGH ERC COMPONENTS...

.HIGH PRESSURE AND A VERY DRY AIRMASS BUILDS INTO THE REGION
THROUGH THE REMAINDER OF THE WEEKEND AND EARLY PART OF THIS
WEEK...WITH RELATIVE HUMIDITIES BELOW 28 PERCENT AND ERC VALUES
AROUND OR ABOVE 37 FOR A PERIOD OF ROUGHLY 5 TO 7 HOURS BOTH
SUNDAY AND MONDAY AFTERNOONS ACROSS THE WESTERN FLORIDA
PANHANDLE. AS A RESULT...A RED FLAG WARNING HAS BEEN ISSUED FOR
THESE LOCATIONS SUNDAY AFTERNOON...AND A FIRE WEATHER WATCH HAS
BEEN ISSUED FOR THESE AREAS MONDAY AFTERNOON.

FLZ201>206-202330-
/O.CON.KMOB.FW.W.0007.000000T0000Z-161120T2300Z/
/O.CON.KMOB.FW.A.0005.161121T1600Z-161121T2300Z/
ESCAMBIA INLAND-ESCAMBIA COASTAL-SANTA ROSA INLAND-
SANTA ROSA COASTAL-OKALOOSA INLAND-OKALOOSA COASTAL-
1002 AM CST SUN NOV 20 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON FOR LOW RELATIVE HUMIDITIES AND HIGH ERC VALUES...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY AFTERNOON FOR LOW RELATIVE HUMIDITIES AND HIGH ERC
VALUES...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON.

* AFFECTED AREA...FIRE WEATHER ZONES 201...202...203...204... 
  205 AND 206. 

* WIND...NORTH 8 TO 13 MPH.

* HUMIDITY...BELOW 28 PERCENT FOR 5 TO 7 HOURS...WITH MINIMUM
  VALUES OF 15 TO 20 PERCENT. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 20, 2:14 AM CSTFire Weather WatchMOBEscambia, Okaloosa, Santa Rosa25 hr
Nov 20, 3:30 AM CSTFreeze WatchMOBEscambia, Okaloosa, Santa Rosa23 hr
Nov 20, 3:30 AM CSTFreeze WarningMOBEscambia, Okaloosa, Santa Rosa28 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.