Alert archive / Alabama / Red Flag Warnings in 2014

Red Flag Warning 9, NWS Mobile, AL

February 22, 201410 counties in Alabama

NWS Mobile, AL issued this red flag warning at Feb 22, 2014, 12:49 PM CST for 10 counties in Alabama. 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: Feb 22, 2014, 12:49 PM CST (18:49 UTC)
Expired: Feb 22, 2014, 6:00 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 18:46 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, 6.8 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: 2401 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: -102 m²/s²
0-3 km storm-relative helicity: 104 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.

972 
WWUS84 KMOB 221849
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1249 PM CST SAT FEB 22 2014

...RED FLAG WARNING FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA UNTIL 6
PM CST THIS EVENING DUE TO MARGINALLY LONG DURATION OF LOW RELATIVE
HUMIDITY...

.DRIER AIR MOVING INTO THE AREA HAS RESULTED IN RELATIVE HUMIDITIES
DROPPING BELOW CRITICAL LEVELS ACROSS THE AREA. A MARGINALLY LONG
DURATION OF FOUR HOURS OR MORE BELOW CRITICAL LEVELS IS EXPECTED THUS
A RED FLAG WARNING HAS BEEN ISSUED FOR SOUTHWEST AND SOUTH CENTRAL
ALABAMA FOR THE REMAINDER OF THE AFTERNOON.

ALZ051>064-230000-
/O.NEW.KMOB.FW.W.0009.140222T1849Z-140223T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
1249 PM CST SAT FEB 22 2014

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR SOUTHWEST
AND SOUTH CENTRAL ALABAMA DUE TO A MARGINALLY LONG DURATION OF LOW RELATIVE
HUMIDITY...

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...062...063 AND 064. 

* RELATIVE HUMIDITY: AROUND 20 PERCENT

* WINDS: EASTERLY 5 TO 10 MPH

* 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.