Alert archive / Alabama / Red Flag Warnings in 2014

Red Flag Warning 23, NWS Mobile, AL

November 19, 201410 counties in Alabama

NWS Mobile, AL issued this red flag warning at Nov 19, 2014, 5:50 AM CST for 10 counties in Alabama. It took effect at Nov 19, 2014, 12:00 PM CST. It was in force for 5 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 19, 2014, 5:50 AM CST (11:50 UTC)
In effect from: Nov 19, 2014, 12:00 PM CST
Expired: Nov 19, 2014, 5:00 PM CST
In force: 5 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 11:54 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 00:00Z, 11.8 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-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: 2082 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: -144 m²/s²
0-3 km storm-relative helicity: -174 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.

317 
WWUS84 KMOB 191150
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
550 AM CST WED NOV 19 2014

...A RED FLAG WARNING IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON FOR SOUTH CENTRAL AND MUCH OF SOUTHWEST ALABAMA DUE TO
A LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITY VALUES...

.CRITICALLY LOW RELATIVE HUMIDITY VALUES WILL IMPACT MOST OF
SOUTHWEST AND SOUTH CENTRAL ALABAMA FOR SEVERAL HOURS THIS AFTERNOON.
WHILE CRITICALLY LOW RELATIVE HUMIDITY WILL KEEP FIRE DANGER HIGH
OVER THE NORTHWEST FLORIDA PANHANDLE...ERC VALUES DO NOT LOOK TO MEET
THE NECESSARY CRITERIA FOR A RED FLAG WARNING THERE.

FLZ001-003-005-191300-
/O.CAN.KMOB.FW.A.0010.141119T1700Z-141119T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
550 AM CST WED NOV 19 2014

...FIRE WEATHER WATCH IS CANCELLED FOR INLAND PORTIONS OF THE 
NORTHWEST FLORIDA PANHANDLE...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE FIRE
WEATHER WATCH. 

WHILE CRITICALLY LOW RELATIVE HUMIDITY WILL IMPACT INLAND PORTIONS OF
THE NORTHWEST FLORIDA PANHANDLE...ERC VALUES ARE EXPECTED TO REMAIN
BELOW RED FLAG WARNING CRITERIA. THE FIRE WEATHER WATCH THAT WAS IN
EFFECT HAS BEEN CANCELLED. 

$$

ALZ051>062-192300-
/O.UPG.KMOB.FW.A.0010.141119T1700Z-141119T2300Z/
/O.NEW.KMOB.FW.W.0023.141119T1800Z-141119T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-
550 AM CST WED NOV 19 2014

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON FOR SOUTH CENTRAL AND MUCH OF SOUTHWEST ALABAMA DUE TO
A LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITY VALUES...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* RELATIVE HUMIDITY: DROPPING TO AROUND 20 PERCENT FOR 4 TO 5 HOURS
  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.

&&

$$

Nearby

Red Flag Warnings in Alabama, 2014 Every 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.