Alert archive / Arkansas / Red Flag Warnings in 2012

Red Flag Warning 6, NWS Memphis, TN

March 6, 201212 counties in Arkansas; 8 counties in Mississippi; Dunklin County, Pemiscot County, Missouri

NWS Memphis, TN issued this red flag warning at Mar 6, 2012, 3:35 AM CST for 12 counties in Arkansas; 8 counties in Mississippi; Dunklin County, Pemiscot County, Missouri. It took effect at Mar 6, 2012, 10:00 AM CST. It was in force for 8 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
Mar 6, 2012, 3:35 AM CST (09:35 UTC)
In effect from
Mar 6, 2012, 10:00 AM CST
Expired
Mar 6, 2012, 6:00 PM CST
In force
8 hr
Issued by
NWS Memphis, TN
All 22 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, Coahoma County, MS, DeSoto County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS

The radar

The Memphis radar (KNQA), 51 km from the middle of the area, began a volume at 09:33 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 00:00Z, 9.6 hours before the alert went out and 57 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 00:00Z on 2012-03-06Temperature 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 00:00Z on 2012-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
2625 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
207 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.

812 
WWUS84 KMEG 060935
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
335 AM CST TUE MAR 6 2012

...RED FLAG CONDITIONS EXPECTED TODAY ACROSS PORTIONS OF THE
MIDSOUTH...

.THE COMBINATION OF LOW RELATIVE HUMIDITY...STRONG WINDS...AND
LOW FUEL MOISTURE WILL CREATE RED FLAG CONDITIONS ACROSS EASTERN
ARKANSAS...THE BOOTHEEL OF MISSOURI AND NORTHWEST MISSISSIPPI
DURING THE LATE MORNING AND AFTERNOON HOURS TODAY.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-021-062145-
/O.UPG.KMEG.FW.A.0003.120306T1600Z-120307T0000Z/
/O.NEW.KMEG.FW.W.0006.120306T1600Z-120307T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-YALOBUSHA-
335 AM CST TUE MAR 6 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS EVENING FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW
FUEL MOISTURE FOR EASTERN ARKANSAS...THE BOOTHEEL OF MISSOURI...AND
NORTHWEST MISSISSIPPI...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* 20 FOOT WIND...SOUTH AT 15 TO 20 MPH

* HUMIDITY...19 TO 25 PERCENT

* 10 HOUR FUEL MOISTURE...5 TO 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.

&&

$$
2 follow-up statements
538 
WWUS84 KMEG 062119
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
319 PM CST TUE MAR 6 2012

...RED FLAG CONDITIONS EXPECTED TODAY ACROSS PORTIONS OF THE
MIDSOUTH...

.THE COMBINATION OF LOW RELATIVE HUMIDITY...STRONG WINDS...AND
LOW FUEL MOISTURE WILL CREATE RED FLAG CONDITIONS ACROSS EASTERN
ARKANSAS...THE BOOTHEEL OF MISSOURI AND NORTHWEST MISSISSIPPI
DURING THE AFTERNOON HOURS TODAY.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-021-070000-
/O.CON.KMEG.FW.W.0006.000000T0000Z-120307T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-YALOBUSHA-
319 PM CST TUE MAR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE
FOR EASTERN ARKANSAS...THE BOOTHEEL OF MISSOURI...AND NORTHWEST
MISSISSIPPI...

* 20 FOOT WIND...SOUTH AT 15 TO 20 MPH

* HUMIDITY...19 TO 25 PERCENT

* 10 HOUR FUEL MOISTURE...5 TO 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.

&&

$$
777 
WWUS84 KMEG 070010
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
610 PM CST TUE MAR 6 2012

...RED FLAG WARNING FOR PORTIONS OF THE MIDSOUTH HAS EXPIRED...

.RELATIVE HUMIDITY HAS BEGUN TO RISE AS TEMPERATURES COOL THIS
EVENING ACROSS THE MIDSOUTH. IN ADDITION...WINDS HAVE ALSO BEGUN
TO DIMINISH. THEREFORE THE RED FLAG WARNING HAS BEEN ALLOWED TO
EXPIRE ACROSS NORTHEAST ARKANSAS...THE BOOTHEEL OF MISSOURI AND
NORTHWEST MISSISSIPPI.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-021-070115-
/O.EXP.KMEG.FW.W.0006.000000T0000Z-120307T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-YALOBUSHA-
610 PM CST TUE MAR 6 2012

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

$$

JAB

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 5, 9:14 PM CSTFire Weather WatchMEGClay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more6 hr
Mar 6, 3:35 AM CSTWind AdvisoryMEGClay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more14 hr

Nearby

Red Flag Warnings in Arkansas, 2012Red Flag Warnings in Mississippi, 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.