Alert archive / Alabama / Red Flag Warnings in 2014

Red Flag Warning 19, NWS Mobile, AL

November 2, 201410 counties in Alabama

NWS Mobile, AL issued this red flag warning at Nov 2, 2014, 1:56 PM CST for 10 counties in Alabama. It was in force for 4 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 2, 2014, 1:56 PM CST (19:56 UTC)
Expired
Nov 2, 2014, 6:00 PM CST
In force
4 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL

The radar

The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 20:00 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

Birmingham, AL (KBMX), launched 12:00Z, 7.9 hours before the alert went out and 182 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, Birmingham, AL at 12:00Z on 2014-11-02Temperature 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, Birmingham, AL at 12:00Z on 2014-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -73 square meters per square second.19395878Sfc1 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
2109 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-73 m²/s²
0-3 km storm-relative helicity
-11 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.

482 
WWUS84 KMOB 021956
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
156 PM CST SUN NOV 2 2014

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR SOUTH
CENTRAL AND SOUTHWEST ALABAMA DUE TO PROLONGED PERIOD OF RELATIVE
HUMIDITY BELOW 24 PERCENT FOR FOUR OR MORE HOURS...

.EXTREMELY DRY LOW TO MID LEVEL AIR HAS BEEN MIXING DOWN TO THE
SURFACE EARLY THIS AFTERNOON. RELATIVE HUMIDITY HAS ALREADY DROPPED
BELOW 24 PERCENT...AND IS EXPECTED TO DROP INTO THE MID TEENS BY 4
PM.

ALZ051>062-030000-
/O.NEW.KMOB.FW.W.0019.141102T1956Z-141103T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-
156 PM CST SUN NOV 2 2014

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR
SOUTH CENTRAL AND SOUTHWEST ALABAMA DUE TO PROLONGED PERIOD OF
RELATIVE HUMIDITY BELOW 24 PERCENT FOR FOUR OR MORE HOURS...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 
  055...056...057...058...059...060...061 AND 062. 

* RELATIVE HUMIDITY: 15 TO 20 PERCENT THROUGH THIS AFTERNOON.

* 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 LOW RELATIVE
HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
1 follow-up statement
504 
WWUS84 KMOB 022025
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
225 PM CST SUN NOV 2 2014

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR
SOUTH CENTRAL AND SOUTHWEST ALABAMA DUE TO PROLONGED PERIOD OF
RELATIVE HUMIDITY BELOW 24 PERCENT FOR FOUR OR MORE HOURS...

...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR SOUTH CENTRAL
AND SOUTHWEST ALABAMA DUE TO PROLONGED PERIOD OF RELATIVE HUMIDITY
BELOW 24 PERCENT FOR FOUR OR MORE HOURS...

.EXTREMELY DRY LOW TO MID LEVEL AIR HAS BEEN MIXING DOWN TO THE
SURFACE EARLY THIS AFTERNOON. RELATIVE HUMIDITY HAS ALREADY
DROPPED BELOW 24 PERCENT...AND IS EXPECTED TO DROP INTO THE MID
TEENS BY 4 PM. DRY CONDITIONS CONTINUE THROUGH MONDAY WITH A MARGINAL
PERIOD OF RELATIVE HUMIDITY BELOW 24 PERCENT EXPECTED AGAIN ON
MONDAY. OTHER RED FLAG WARNING CRITERIA FOR FLORIDA AND
MISSISSIPPI...INCLUDING WIND AND ERC VALUES...ARE NOT EXPECTED TO BE
MET.

ALZ051>062-031230-
/O.NEW.KMOB.FW.A.0007.141103T1800Z-141104T0000Z/
/O.CON.KMOB.FW.W.0019.000000T0000Z-141103T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-
225 PM CST SUN NOV 2 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR SOUTH CENTRAL AND SOUTHWEST ALABAMA DUE TO PROLONGED PERIOD OF
RELATIVE HUMIDITY BELOW 24 PERCENT FOR FOUR OR MORE HOURS...

...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR SOUTH CENTRAL
AND SOUTHWEST ALABAMA DUE TO PROLONGED PERIOD OF RELATIVE HUMIDITY
BELOW 24 PERCENT FOR FOUR OR MORE HOURS...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. 

* AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 
  055...056...057...058...059...060...061 AND 062. 

* RELATIVE HUMIDITY: 15 TO 20 PERCENT THROUGH THIS AFTERNOON.

* 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 LOW
RELATIVE HUMIDITY...AND DRY FUELS 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 2, 2:25 PM CSTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more15 hr
Nov 2, 2:35 PM CSTFrost AdvisoryMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more16 hr

Nearby

Red Flag Warnings in Alabama, 2014Every red flag warning in 2014

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.