Alert archive / Arkansas / Red Flag Warnings in 2012
Red Flag Warning 3, NWS Memphis, TN
NWS Memphis, TN issued this red flag warning at Feb 29, 2012, 2:32 PM CST for Dunklin County, Pemiscot County, Missouri; 8 counties in Arkansas. It was in force for 3 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 29, 2012, 2:32 PM CST (20:32 UTC)
- Expired
- Feb 29, 2012, 6:00 PM CST
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
Counties Clay County, AR, Craighead County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Randolph County, AR, Dunklin County, MO, Pemiscot County, MO
The radar
The Memphis radar (KNQA), 90 km from the middle of the area, began a volume at 20:34 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, 8.5 hours before the alert went out and 136 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.
- Mixed-layer CAPE
- 1168 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 535 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 8.5
The text
As transmitted, in the capitals the NWS used until 2016.
147 WWUS84 KMEG 292032 RFWMEG URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 232 PM CST WED FEB 29 2012 ...HIGH FIRE DANGER DEVELOPING ACROSS NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL... .MUCH DRIER AIR IS BEGINNING TO MOVE IN BEHIND A FRONT THAT HAS CLEARED THE AREA. STRONG AND GUSTY SOUTHWEST WINDS AND TEMPERATURES WARMING WELL INTO THE 70S TO NEAR 80 WILL COMBINE WITH DRY VEGETATION TO PROVIDE FAVORABLE CONDITIONS THAT CAN LEAD TO RAPID FIRE SPREAD. ARZ008-009-017-018-026>028-035-MOZ113-115-010000- /O.NEW.KMEG.FW.W.0003.120229T2032Z-120301T0000Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-DUNKLIN-PEMISCOT- 232 PM CST WED FEB 29 2012 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE FOR NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. * WIND...SOUTHWEST 20 TO 25 MPH WITH GUSTS AS HIGH AS 35 MPH. * HUMIDITY...RAPIDLY FALLING TO BETWEEN 17 AND 30 PERCENT. * 10 HOUR FUEL MOISTURE...BETWEEN 7 AND 10 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. && $$ BORGHOFF
2 follow-up statements
154 WWUS84 KMEG 292101 AAA RFWMEG URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE MEMPHIS TN 301 PM CST WED FEB 29 2012 ...HIGH FIRE DANGER DEVELOPING ACROSS NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL... .CONSIDERABLY DRIER AIR IS BEGINNING TO MOVE IN BEHIND A FRONT THAT HAS CLEARED THE AREA. STRONG AND GUSTY SOUTHWEST WINDS AND TEMPERATURES WARMING TO NEAR 80 WILL COMBINE WITH DRY VEGETATION TO PROVIDE FAVORABLE CONDITIONS THAT CAN LEAD TO RAPID FIRE SPREAD. ARZ008-009-017-018-026>028-035-MOZ113-115-010000- /O.CON.KMEG.FW.W.0003.000000T0000Z-120301T0000Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-DUNKLIN-PEMISCOT- 301 PM CST WED FEB 29 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE FOR |NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL... * WIND...SOUTHWEST AROUND 25 MPH WITH GUSTS AS HIGH AS 45 MPH. * HUMIDITY...RAPIDLY FALLING TO BETWEEN 10 AND 15 PERCENT. * 10 HOUR FUEL MOISTURE...BETWEEN 7 AND 10 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ BORGHOFF
465 WWUS84 KMEG 292354 RFWMEG URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 554 PM CST WED FEB 29 2012 ARZ008-009-017-018-026>028-035-MOZ113-115-010100- /O.EXP.KMEG.FW.W.0003.000000T0000Z-120301T0000Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-DUNKLIN-PEMISCOT- 554 PM CST WED FEB 29 2012 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE FOR NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL... WINDS WILL RAPIDLY DIMINISH AND RH VALUES WILL INCREASE...EASING THE HIGH FIRE DANGER. $$ BORGHOFF
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 12:34 AM CST | Wind Advisory | MEG | Dunklin, Pemiscot | 10 hr |
| Feb 29, 4:54 AM CST | Severe Thunderstorm Warning | MEG | Dunklin | 29 min |
| Feb 29, 5:30 AM CST | Severe Thunderstorm Warning | MEG | Dunklin | 30 min |
| Feb 29, 6:51 AM CST | Severe Thunderstorm Warning | MEG | Dunklin | 39 min |
| Feb 29, 7:09 AM CST | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 36 min |
| Feb 29, 3:51 AM CST | Tornado Warning | MEG | Randolph | 39 min |
| Feb 29, 4:22 AM CST | Tornado Warning | MEG | Lawrence, Randolph | 38 min |
| Feb 29, 4:25 AM CST | Tornado Warning | MEG | Clay, Randolph | 50 min |
| Feb 29, 4:56 AM CST | Tornado Warning | MEG | Clay, Randolph | 49 min |
| Feb 29, 5:48 AM CST | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 42 min |
| Feb 29, 6:25 AM CST | Severe Thunderstorm Warning | MEG | Clay, Greene, Lawrence, Randolph | 50 min |
| Feb 29, 6:43 AM CST | Severe Thunderstorm Warning | MEG | Lawrence | 47 min |
| Feb 29, 7:25 AM CST | Severe Thunderstorm Warning | MEG | Lawrence | 33 min |
| Feb 29, 7:43 AM CST | Severe Thunderstorm Warning | MEG | Craighead, Greene | 23 min |
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.