Alert archive / Alabama / Red Flag Warnings in 2014

Red Flag Warning 17, NWS Mobile, AL

April 1, 20145 counties in Alabama

NWS Mobile, AL issued this red flag warning at Apr 1, 2014, 1:55 PM CDT for 5 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
Apr 1, 2014, 1:55 PM CDT (18:55 UTC)
Expired
Apr 1, 2014, 6:00 PM CDT
In force
4 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL

The radar

The Ft Rucker radar (KEOX), 120 km from the middle of the area, began a volume at 18:54 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 6.9 hours before the alert went out and 111 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, Eglin AFB/Valpar, FL at 12:00Z on 2014-04-01Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 2014-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1869 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
122 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.

667 
WWUS84 KMOB 011855
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
155 PM CDT TUE APR 1 2014

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

.LINGERING DRY AIR OVER SOUTH CENTRAL ALABAMA AND SLIGHTLY ABOVE
NORMAL TEMPERATURES WILL RESULT IN A MARGINALLY LONG DURATION OF
RELATIVE HUMIDITIES BELOW CRITICAL LEVELS...AND A RED FLAG WARNING
HAS BEEN ISSUED FOR THIS AREA.

ALZ056>060-012300-
/O.NEW.KMOB.FW.W.0017.140401T1855Z-140401T2300Z/
CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
155 PM CDT TUE APR 1 2014

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR 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 CDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 056...057...058...059 AND 
  060. 

* RELATIVE HUMIDITY: AROUND 20 PERCENT.

* WINDS: SOUTHWEST TO SOUTH NEAR 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, 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.