Alert archive / Alabama / Red Flag Warnings in 2014

Red Flag Warning 4, NWS Mobile, AL

January 16, 201410 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 16, 2014, 12:27 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: Jan 16, 2014, 12:27 PM CST (18:27 UTC)
Expired: Jan 16, 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 18:30 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, 6.5 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: 1851 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 40 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.

056 
WWUS84 KMOB 161827
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1227 PM CST THU JAN 16 2014

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR
SOUTHWEST ALABAMA DUE TO A LONG DURATION OF CRITICALLY LOW
HUMIDITY...

.A LONG DURATION OF LOW RELATIVE HUMIDITY WILL BRING CRITICAL FIRE
WEATHER CONDITIONS TO MUCH OF SOUTHWEST AND SOUTH CENTRAL ALABAMA
THIS AFTERNOON.

ALZ051>060-162300-
/O.NEW.KMOB.FW.W.0004.140116T1827Z-140116T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-
1227 PM CST THU JAN 16 2014

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. 

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

* RELATIVE HUMIDITY: 20 TO 24 PERCENT FOR SEVERAL HOURS.

* 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.

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 16, 3:21 PM CST	Small Craft Advisory	MOB		40 hr

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.