Alert archive / Texas / Red Flag Warnings in 2011
Red Flag Warning 2, NWS Shreveport, LA
NWS Shreveport, LA issued this red flag warning at Sep 4, 2011, 10:07 AM CDT for 18 counties in Texas; McCurtain County, Oklahoma. It was in force for 9 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 4, 2011, 10:07 AM CDT (15:07 UTC)
- Expired
- Sep 4, 2011, 7:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Shreveport, LA
Counties McCurtain County, OK, 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, Shelby County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 93 km from the middle of the area, began a volume at 15:07 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 6:00 PM CDT | WILDFIRE | Longview, TX | MULTIPLE WILDFIRES BURNING ACROSS PARTS OF NORTHEAST TEXAS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 3.1 hours before the alert went out and 100 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
- 519 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
598 WWUS84 KSHV 041507 RFWSHV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 1007 AM CDT SUN SEP 4 2011 TXZ096-097-108>112-124>126-136>138-149>153-050000- /O.UPG.KSHV.FW.A.0001.110904T1600Z-110905T0100Z/ /O.NEW.KSHV.FW.W.0002.110904T1507Z-110905T0000Z/ RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR- MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA-NACOGDOCHES- SHELBY- 1007 AM CDT SUN SEP 4 2011 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR LOCATIONS ALONG AND NORTHWEST OF A LINE FROM RUSK...NACOGDOCHES...CENTER...MARSHALL AND TEXARKANA TEXAS...ONTO BROKEN BOW OKLAHOMA... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. THIS RED FLAG WARNING INCLUDES ALL OF THE LINDEN AND HENDERSON DISTRICTS IN NORTHEAST TEXAS. * WIND...WINDS TODAY WILL BE INCREASING FROM THE NORTH OR NORTH... NORTHEAST AT 20 TO 30 MPH WITH GUSTS APPROACHING 40 MPH. * HUMIDITY...LOWEST HUMIDITIES THIS AFTERNOON WILL BE AROUND 20 TO 25 PERCENT. HUMIDITY VALUES THIS AFTERNOON WILL BE SLIGHTLY HIGHER FOR COUNTIES EAST OF SMITH AND CHEROKEE COUNTIES IN NORTHEAST TEXAS. * IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY. BURN BANS ARE CURRENTLY IN PLACE FOR MUCH OF THE AREA BUT OTHERWISE... OUTDOOR BURNING IS NOT RECOMMENDED. 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. AVOID ALL OUTSIDE BURNING AND WELDING TODAY. DO NOT TOSS LIT CIGARETTE BUTTS OUTSIDE. REPORT WILD FIRES TO THE NEAREST FIRE DEPARTMENT OR LAW ENFORCEMENT OFFICE. && $$ OKZ077-050000- /O.NEW.KSHV.FW.W.0002.110904T1507Z-110905T0000Z/ MCCURTAIN- 1007 AM CDT SUN SEP 4 2011 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR LOCATIONS ALONG AND NORTHWEST OF A LINE FROM RUSK...NACOGDOCHES...CENTER...MARSHALL AND TEXARKANA TEXAS...ONTO BROKEN BOW OKLAHOMA... THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. THIS RED FLAG WARNING INCLUDES MCCURTAIN COUNTY IN THE SOUTHEAST OKLAHOMA PROTECTION AREA. * WIND...WINDS TODAY WILL BE INCREASING FROM THE NORTH OR NORTH... NORTHEAST AT 20 TO 30 MPH WITH GUSTS APPROACHING 40 MPH. * HUMIDITY...LOWEST HUMIDITIES THIS AFTERNOON WILL BE AROUND 20 TO 25 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY. BURN BANS ARE CURRENTLY IN PLACE FOR MUCH OF THE AREA BUT OTHERWISE... OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT EXTREME FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. AVOID ALL OUTSIDE BURNING AND WELDING TODAY. DO NOT TOSS LIT CIGARETTE BUTTS OUTSIDE. REPORT WILD FIRES TO THE NEAREST FIRE DEPARTMENT OR LAW ENFORCEMENT OFFICE. && $$ 13
1 follow-up statement
885 WWUS84 KSHV 042013 RFWSHV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SHREVEPORT LA 313 PM CDT SUN SEP 4 2011 OKZ077-TXZ096-097-108>112-124>126-136>138-149>153-060000- /O.NEW.KSHV.FW.A.0002.110905T1200Z-110906T0000Z/ /O.CON.KSHV.FW.W.0002.000000T0000Z-110905T0000Z/ MCCURTAIN-RED RIVER-BOWIE-FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD- UPSHUR-MARION-SMITH-GREGG-HARRISON-CHEROKEE-RUSK-PANOLA- NACOGDOCHES-SHELBY- 313 PM CDT SUN SEP 4 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR LOCATIONS ALONG AND NORTHWEST OF A LINE FROM RUSK...NACOGDOCHES...CENTER...MARSHALL AND TEXARKANA TEXAS...ONTO BROKEN BOW OKLAHOMA... ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR STRONG NORTH WINDS AND LOW HUMIDITY VALUES ONCE AGAIN ON MONDAY... * WIND...WINDS THROUGH 7 PM THIS EVENING FROM THE NORTH AND NORTHEAST WILL BE SUSTAINED AT 20 TO 25 MPH WITH GUSTS AS HIGH AS 40 MPH. STRONG WINDS OF 20 TO 25 MPH ARE EXPECTED TO CONTINUE THROUGH TONIGHT IN THE WAKE OF A COLD FRONTAL PASSAGE. STRONG NORTHERLY GRADIENT WINDS OF 15 TO 25 MPH WITH GUSTS AS HIGH AS 35 MPH WILL BE POSSIBLE DURING THE DAY MONDAY. * HUMIDITY...HUMIDITY VALUES WILL REMAIN NEAR 25 PERCENT ACROSS PORTIONS OF THE HENDERSON TEXAS FIRE DISTRICT AS WELL AS ALL OF THE LINDEN TEXAS FIRE DISTRICT AND MCCURTAIN COUNTY IN THE SOUTHEAST OKLAHOMA PROTECTION AREA THROUGH 7 PM THIS EVENING. HUMIDITY VALUES WILL RECOVER OVERNIGHT...HOWEVER...CRITICAL HUMIDITY VALUES NEAR 25 PERCENT ARE EXPECTED ONCE AGAIN MONDAY AFTERNOON IN THE WAKE OF A STRONG COLD FRONT. * IMPACTS...MULTIPLE FIRES ARE ONGOING AT THIS TIME ACROSS THESE DISTRICTS. THE WIND AND HUMIDITY VALUES WILL CONTINUE TO HAMPER ANY ONGOING WILDFIRE CONTAINMENT. BURN BANS REMAIN IN PLACE FOR MUCH OF THESE AREAS. OTHERWISE...OUTDOOR BURNING IS NOT RECOMMENDED. 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. AVOID ALL OUTSIDE BURNING AND WELDING TODAY. DO NOT TOSS LIT CIGARETTE BUTTS OUTSIDE. REPORT WILD FIRES TO THE NEAREST FIRE DEPARTMENT OR LAW ENFORCEMENT OFFICE. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ 13
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 5:30 AM CDT | Lake Wind Advisory | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 38 hr |
| Sep 4, 3:13 PM CDT | Fire Weather Watch | SHV | Bowie, Camp, Cass, Cherokee, Franklin, Gregg and 12 more | 8 hr |
Nearby
Red Flag Warnings in Texas, 2011Red Flag Warnings in Oklahoma, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.