Alert archive / Alabama / Red Flag Warnings in 2016

Red Flag Warning 2, NWS Huntsville, AL

October 9, 201612 counties in Alabama

NWS Huntsville, AL issued this red flag warning at Oct 9, 2016, 3:11 AM CDT for 12 counties in Alabama. It took effect at Oct 9, 2016, 12:00 PM CDT. It was in force for 6 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
Oct 9, 2016, 3:11 AM CDT (08:11 UTC)
In effect from
Oct 9, 2016, 12:00 PM CDT
Expired
Oct 9, 2016, 6:00 PM CDT
In force
6 hr
Issued by
NWS Huntsville, AL

Counties Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Winston County, AL

The radar

The Northeast Alabama radar (KHTX), 90 km from the middle of the area, began a volume at 08:12 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, 8.2 hours before the alert went out and 152 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 00:00Z on 2016-10-09Temperature 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 00:00Z on 2016-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 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
2288 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
-78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

832 
WWUS84 KHUN 090811
RFWHUN

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
311 AM CDT SUN OCT 9 2016

ALZ001>010-014-016-092300-
/O.NEW.KHUN.FW.W.0002.161009T1700Z-161009T2300Z/
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DE KALB-WINSTON-CULLMAN-
311 AM CDT SUN OCT 9 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS
EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR ALL OF NORTHERN
ALABAMA...

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS
EVENING. 

* AFFECTED AREA... LAUDERDALE...COLBERT...FRANKLIN AL... 
  LAWRENCE...LIMESTONE...MADISON...MORGAN...MARSHALL... 
  JACKSON...DE KALB...WINSTON...AND CULLMAN COUNTIES. 

* TIMING...FROM NOON TO 6 PM.

* WIND...SUSTAINED WINDS OUT OF THE NORTHEAST NEAR 15 MPH WITH HIGHER
  GUSTS AROUND 20 TO 25 MPH.

* RELATIVE HUMIDITY...20 TO 25 PERCENT.

* 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 STRONG WINDS
AND LOW RELATIVE HUMIDITY OVER A PROLONGED PERIOD WILL INCREASE FIRE
GROWTH POTENTIAL.

&&

$$
1 follow-up statement
287 
WWUS84 KHUN 092303
RFWHUN

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
603 PM CDT SUN OCT 9 2016


ALZ001>010-014-016-100015-
/O.EXP.KHUN.FW.W.0002.000000T0000Z-161009T2300Z/
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DE KALB-WINSTON-CULLMAN-
603 PM CDT SUN OCT 9 2016

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW HUMIDITY
FOR ALL OF NORTHERN ALABAMA...

RELATIVE HUMIDITY VALUES WILL CONTINUE TO RECOVER THIS EVENING AND
OVERNIGHT AS WINDS DIMINISH TO 5 TO 10 MPH FROM THE NORTHEAST
TONIGHT.

$$

TT

Nearby

Red Flag Warnings in Alabama, 2016Every red flag warning in 2016

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.