Alert archive / Texas / Red Flag Warnings in 2011
Red Flag Warning 3, NWS Shreveport, LA
NWS Shreveport, LA issued this red flag warning at Sep 4, 2011, 11:31 PM CDT for 4 states. It took effect at Sep 5, 2011, 7:00 AM CDT. It was in force for 13 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
- Sep 4, 2011, 11:31 PM CDT (04:31 UTC)
- In effect from
- Sep 5, 2011, 7:00 AM CDT
- Expired
- Sep 5, 2011, 8:00 PM CDT
- In force
- 13 hr
- Issued by
- NWS Shreveport, LA
All 40 counties
Columbia County, AR, Hempstead County, AR, Howard County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Sevier County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Webster Parish, LA, McCurtain County, OK, Angelina County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Nacogdoches County, TX, Panola County, TX, Red River County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 42 km from the middle of the area, began a volume at 04:33 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
Shreveport, LA (KSHV), launched 00:00Z, 4.5 hours before the alert went out and 47 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1515 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
535 WWUS84 KSHV 050431 RFWSHV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 1131 PM CDT SUN SEP 4 2011 OKZ077-TXZ096-097-108>112-124>126-136>138-149>153-051245- /O.UPG.KSHV.FW.A.0002.110905T1200Z-110906T0000Z/ /O.NEW.KSHV.FW.W.0003.110905T1200Z-110906T0100Z/ MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD- UPSHUR-MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA- NACOGDOCHES-SHELBY- 1131 PM CDT SUN SEP 4 2011 ...RED FLAG WARNING IN EFFECT FROM 7 AM TO 8 PM CDT MONDAY FOR THE LINDEN AND HENDERSON DISPATCH ZONES OF EAST TEXAS AND MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 7 AM TO 8 PM CDT MONDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...ALL OF THE LINDEN AND HENDERSON DISPATCH ZONES OF EAST TEXAS SERVED BY THE NATIONAL WEATHER SERVICE IN SHREVEPORT LOUISIANA AND MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA. * WIND...NORTH 15 TO 25 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...25 TO 35 PERCENT. * IMPACTS...MULTIPLE FIRES ARE ONGOING ACROSS THE AFFECTED AREA. WIND WILL INCREASE EARLY MONDAY MORNING WITH DRIER AIR MOVING INTO THE REGION. NEW STARTS FROM SPOTTING LIKELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT EXTREME FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
056 WWUS84 KSHV 051106 RFWSHV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 606 AM CDT MON SEP 5 2011 ARZ050-051-059>061-070>073-LAZ001>004-010>012-017-018-TXZ165>167- 060100- /O.EXA.KSHV.FW.W.0003.110905T1200Z-110906T0100Z/ SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-DE SOTO- RED RIVER-BIENVILLE-SABINE LA-NATCHITOCHES-ANGELINA-SAN AUGUSTINE- SABINE TX- 606 AM CDT MON SEP 5 2011 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR ARKANSAS DISTRICTS 2 AND 4...LOUISIANA DISTRICTS 4 AND 6...AND EAST TEXAS FOREST DISTRICT ANGELINA AND SABINE... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 8 PM CDT THIS EVENING. * AFFECTED AREA...ARKANSAS DISTRICTS 2 AND 4...LOUISIANA DISTRICTS 4 AND 6...AND EAST TEXAS FOREST DISTRICT ANGELINA AND SABINE BY THE NATIONAL WEATHER SERVICE IN SHREVEPORT LOUISIANA. * WIND...NORTH 15 TO 25 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...25 TO 35 PERCENT. * IMPACTS...EXTENSIVE DROUGHT CONDITIONS ALONG WITH LOW HUMIDITY AND HIGH WINDS WILL ENHANCE FIRE DANGERS. WINDS WILL CONTINUE TO INCREASE TODAY WITH DRIER AIR MOVING INTO THE REGION. BURN BANS REMAIN IN PLACE FOR THE ENTIRE AREA...HOWEVER NEW FIRE IGNITIONS ARE LIKELY ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT EXTREME FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ OKZ077-TXZ096-097-108>112-124>126-136>138-149>153-060100- /O.CON.KSHV.FW.W.0003.110905T1200Z-110906T0100Z/ MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD- UPSHUR-MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA- NACOGDOCHES-SHELBY- 606 AM CDT MON SEP 5 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR THE LINDEN AND HENDERSON DISPATCH ZONES OF EAST TEXAS AND MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA... * AFFECTED AREA...ALL OF THE LINDEN AND HENDERSON DISPATCH ZONES OF EAST TEXAS SERVED BY THE NATIONAL WEATHER SERVICE IN SHREVEPORT LOUISIANA AND MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA. * WIND...NORTH 15 TO 25 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...20 TO 30 PERCENT. * IMPACTS...FIRES ARE ONGOING ACROSS THE AREA. EXTENSIVE DROUGHT CONDITIONS ALONG WITH LOW HUMIDITY AND HIGH WINDS WILL ENHANCE FIRE DANGERS. WINDS WILL CONTINUE TO INCREASE TODAY WITH DRIER AIR MOVING INTO THE REGION. BURN BANS REMAIN IN PLACE FOR THE ENTIRE AREA...HOWEVER NEW FIRE IGNITIONS ARE LIKELY ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT EXTREME FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
464 WWUS84 KSHV 052011 RFWSHV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 311 PM CDT MON SEP 5 2011 ARZ050-051-059>061-070>073-LAZ001>004-010>012-017-018-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-060100- /O.CON.KSHV.FW.W.0003.000000T0000Z-110906T0100Z/ SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-DE SOTO- RED RIVER-BIENVILLE-SABINE LA-NATCHITOCHES-MCCURTAIN-BOWIE- FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG- HARRISON-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA- SAN AUGUSTINE-SABINE TX- 311 PM CDT MON SEP 5 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR MCCURTAIN COUNTY IN THE SOUTHEAST OKLAHOMA PROTECTION AREA... THE LINDEN...HENDERSON AND EAST TEXAS FOREST DISTRICTS ANGELINA AND SABINE...LOUISIANA DISTRICTS 4 AND 6...AS WELL AS ARKANSAS DISTRICTS 2 AND 4... * AFFECTED AREA...ARKANSAS DISTRICTS 2 AND 4...LOUISIANA DISTRICTS 4 AND 6...MCCURTAIN COUNTY IN THE SOUTHEAST OKLAHOMA PROTECTION AREA...THE LINDEN AND HENDERSON TEXAS DISTRICTS AS WELL AS THE EAST TEXAS FOREST DISTRICTS ANGELINA AND SABINE. * WIND...NORTH TO NORTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH...WITH WINDS DIMINISHING THIS EVENING. * HUMIDITY...15 TO 25 PERCENT...IMPROVING AFTER 8 PM THIS EVENING. * IMPACTS...HUMIDITY VALUES AND STRONG NORTH WINDS WILL REMAIN CRITICAL THROUGH 8 PM THIS EVENING. NUMEROUS FIRES REMAIN UNCONTAINED ACROSS THE RED FLAG WARNING AREAS...ESPECIALLY ACROSS NORTHEAST TEXAS. NEW FIRE IGNITIONS WILL REMAIN LIKELY ACROSS THE AREA THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT EXTREME FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ 13
Nearby
Red Flag Warnings in Texas, 2011Red Flag Warnings in Arkansas, 2011Red Flag Warnings in Louisiana, 2011Every red flag warning in 2011
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.