Alert archive / Arkansas / Red Flag Warnings in 2012

Red Flag Warning 2, NWS Memphis, TN

February 26, 201212 counties in Arkansas; Dunklin County, Pemiscot County, Missouri

NWS Memphis, TN issued this red flag warning at Feb 26, 2012, 10:49 AM CST for 12 counties in Arkansas; Dunklin County, Pemiscot County, Missouri. It was in force for 7 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 26, 2012, 10:49 AM CST (16:49 UTC)
Expired
Feb 26, 2012, 6:00 PM CST
In force
7 hr
Issued by
NWS Memphis, TN

Counties Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO

The radar

The Memphis radar (KNQA), 71 km from the middle of the area, began a volume at 16:50 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

Little Rock, AR (KLZK), launched 12:00Z, 4.8 hours before the alert went out and 107 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, Little Rock, AR at 12:00Z on 2012-02-26Temperature 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, Little Rock, AR at 12:00Z on 2012-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
2083 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
214 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.

039 
WWUS84 KMEG 261649
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
1049 AM CST SUN FEB 26 2012

...HIGH FIRE DANGER ACROSS EAST AND NORTHEAST ARKANSAS AND THE
MISSOURI BOOTHEEL...

.DRY AIR ALOFT WILL CONTINUE TO MIX DOWN TO THE SURFACE AS
SOUTHERLY WINDS BECOME STRONG AND GUSTY. THIS COMBINED WITH DRY
VEGETATION WILL PROVIDE FAVORABLE CONDITIONS THAT CAN LEAD TO
RAPID FIRE SPREAD.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-270000-
/O.NEW.KMEG.FW.W.0002.120226T1649Z-120227T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
1049 AM CST SUN FEB 26 2012

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR
STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE FOR
THE MISSOURI BOOTHEEL AND NORTHEAST AND EAST ARKANSAS...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

* WIND...SOUTH AROUND 15 MPH...WITH GUSTS UP TO 25 MPH AT THE 20
  FOOT LEVEL.

* HUMIDITY...RANGING BETWEEN 20 PERCENT AND 30 PERCENT.

* 10 HOUR FUEL MOISTURE...RANGING BETWEEN 5 AND 8 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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

JLH
1 follow-up statement
776 
WWUS84 KMEG 270016
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
616 PM CST SUN FEB 26 2012

...HIGH FIRE DANGER HAS ENDED...

.WINDS HAVE SUBSIDED THIS EVENING AND SO THE RED FLAG WARNING FOR
PORTIONS OF EAST ARKANSAS AND THE MISSOURI BOOTHEEL HAS BEEN
ALLOWED TO EXPIRE.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-270130-
/O.EXP.KMEG.FW.W.0002.000000T0000Z-120227T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
616 PM CST SUN FEB 26 2012

...RED FLAG WARNING HAS EXPIRED FOR STRONG AND GUSTY WINDS...LOW
HUMIDITY...AND LOW FUEL MOISTURE FOR THE MISSOURI BOOTHEEL AND
NORTHEAST AND EAST ARKANSAS...

$$

Nearby

Red Flag Warnings in Arkansas, 2012Red Flag Warnings in Missouri, 2012Every red flag warning in 2012

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.