Alert archive / Oklahoma / Red Flag Warnings in 2011
Red Flag Warning 1, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Mar 11, 2011, 3:25 AM CST for 22 counties in Oklahoma; Benton County, Washington County, Arkansas. It took effect at Mar 11, 2011, 12:00 PM 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 11, 2011, 3:25 AM CST (09:25 UTC)
- In effect from
- Mar 11, 2011, 12:00 PM CST
- Expired
- Mar 11, 2011, 8:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Tulsa, OK
All 24 counties
Benton County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 39 km from the middle of the area, began a volume at 09:26 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
Springfield, MO (KSGF), launched 00:00Z, 9.4 hours before the alert went out and 187 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
- 1805 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
731 WWUS84 KTSA 110925 RFWTSA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 325 AM CST FRI MAR 11 2011 OKZ054>068-070-071-073-111730- /O.UPG.KTSA.FW.A.0001.110311T1800Z-110312T0200Z/ /O.NEW.KTSA.FW.W.0001.110311T1800Z-110312T0200Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES- DELAWARE-CREEK-OKFUSKEE-OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE- MCINTOSH-PITTSBURG- 325 AM CST FRI MAR 11 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CST THIS EVENING. THIS REPLACES THE FIRE WEATHER WATCH FOR THE FOLLOWING COUNTIES... IN OKLAHOMA... OSAGE...WASHINGTON...NOWATA...CRAIG...OTTAWA...PAWNEE...TULSA... ROGERS...MAYES...DELAWARE...CREEK...OKFUSKEE...OKMULGEE... WAGONER...CHEROKEE...MUSKOGEE...MCINTOSH AND PITTSBURG. STRONG AND GUSTY SOUTHERLY WINDS WILL DEVELOP OVER EASTERN OKLAHOMA BY THIS AFTERNOON... WITH SPEEDS OF 20 TO 30 MPH COMMON IN AREAS ALONG AND WEST OF U.S. HIGHWAY 69. TEMPERATURES WILL REACH THE LOWER 70S DURING THE AFTERNOON... WITH RELATIVE HUMIDITY VALUES BELOW 20 PERCENT. CONDITIONS WILL SLOWLY IMPROVE FRIDAY EVENING AS WIND SPEEDS DROP TO LESS THAN 15 MPH AND RELATIVE HUMIDITY VALUES BEGIN TO INCREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. ANY FIRES MAY QUICKLY SPREAD AND BE DIFFICULT TO CONTROL. && $$
4 follow-up statements
406 WWUS84 KTSA 111812 RFWTSA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 1212 PM CST FRI MAR 11 2011 OKZ054>068-070-071-073-120200- /O.CON.KTSA.FW.W.0001.000000T0000Z-110312T0200Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES- DELAWARE-CREEK-OKFUSKEE-OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE- MCINTOSH-PITTSBURG- 1212 PM CST FRI MAR 11 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... FOR THE FOLLOWING COUNTIES... IN OKLAHOMA... OSAGE...WASHINGTON...NOWATA...CRAIG...OTTAWA...PAWNEE...TULSA... ROGERS...MAYES...DELAWARE...CREEK...OKFUSKEE...OKMULGEE... WAGONER...CHEROKEE...MUSKOGEE...MCINTOSH AND PITTSBURG. STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE OVER EASTERN OKLAHOMA THIS AFTERNOON...WITH SPEEDS OF 20 TO 30 MPH COMMON IN AREAS ALONG AND WEST OF U.S. HIGHWAY 69. TEMPERATURES WILL REACH THE LOWER 70S DURING THE AFTERNOON... WITH RELATIVE HUMIDITY VALUES BELOW 20 PERCENT. CONDITIONS WILL SLOWLY IMPROVE FRIDAY EVENING AS WIND SPEEDS DROP TO LESS THAN 15 MPH AND RELATIVE HUMIDITY VALUES BEGIN TO INCREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. ANY FIRES MAY QUICKLY SPREAD AND BE DIFFICULT TO CONTROL. && $$
305 WWUS84 KTSA 112008 RFWTSA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 208 PM CST FRI MAR 11 2011 ARZ001-010-OKZ049-053-069-072-074>076-120200- /O.EXA.KTSA.FW.W.0001.000000T0000Z-110312T0200Z/ BENTON-WASHINGTON AR-PUSHMATAHA-CHOCTAW-ADAIR-SEQUOYAH-HASKELL- LATIMER-LE FLORE- 208 PM CST FRI MAR 11 2011 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 8 PM CST THIS EVENING. FOR THE FOLLOWING COUNTIES... IN ARKANSAS... BENTON AND WASHINGTON. IN OKLAHOMA... PUSHMATAHA...CHOCTAW...ADAIR...SEQUOYAH...HASKELL...LATIMER AND LE FLORE. STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE OVER EASTERN OKLAHOMA AND FAR NORTHWEST ARKANSAS THIS AFTERNOON...WITH SPEEDS OF 20 TO 30 MPH COMMON. TEMPERATURES HAVE REACHED THE LOWER TO MIDDLE 70S ACROSS MUCH OF THE AREA...AND RELATIVE HUMIDITY VALUES BELOW 20 PERCENT ARE COMMON. CONDITIONS WILL SLOWLY IMPROVE THIS EVENING AS WIND SPEEDS DROP TO LESS THAN 15 MPH AND RELATIVE HUMIDITY VALUES BEGIN TO INCREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. ANY FIRES MAY QUICKLY SPREAD AND BE DIFFICULT TO CONTROL. && $$ OKZ054>068-070-071-073-120200- /O.CON.KTSA.FW.W.0001.000000T0000Z-110312T0200Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES- DELAWARE-CREEK-OKFUSKEE-OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE- MCINTOSH-PITTSBURG- 208 PM CST FRI MAR 11 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... FOR THE FOLLOWING COUNTIES... IN OKLAHOMA... OSAGE...WASHINGTON...NOWATA...CRAIG...OTTAWA...PAWNEE...TULSA... ROGERS...MAYES...DELAWARE...CREEK...OKFUSKEE...OKMULGEE... WAGONER...CHEROKEE...MUSKOGEE...MCINTOSH AND PITTSBURG. STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE OVER EASTERN OKLAHOMA AND FAR NORTHWEST ARKANSAS THIS AFTERNOON...WITH SPEEDS OF 20 TO 30 MPH COMMON. TEMPERATURES HAVE REACHED THE LOWER TO MIDDLE 70S ACROSS MUCH OF THE AREA...AND RELATIVE HUMIDITY VALUES BELOW 20 PERCENT ARE COMMON. CONDITIONS WILL SLOWLY IMPROVE THIS EVENING AS WIND SPEEDS DROP TO LESS THAN 15 MPH AND RELATIVE HUMIDITY VALUES BEGIN TO INCREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. ANY FIRES MAY QUICKLY SPREAD AND BE DIFFICULT TO CONTROL. && $$
825 WWUS84 KTSA 112249 RFWTSA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 449 PM CST FRI MAR 11 2011 ARZ001-010-OKZ049-053>076-120200- /O.CON.KTSA.FW.W.0001.000000T0000Z-110312T0200Z/ BENTON-WASHINGTON AR-PUSHMATAHA-CHOCTAW-OSAGE-WASHINGTON OK- NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES-DELAWARE-CREEK- OKFUSKEE-OKMULGEE-WAGONER-CHEROKEE-ADAIR-MUSKOGEE-MCINTOSH- SEQUOYAH-PITTSBURG-HASKELL-LATIMER-LE FLORE- 449 PM CST FRI MAR 11 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... FOR THE FOLLOWING COUNTIES... IN ARKANSAS... BENTON AND WASHINGTON. IN OKLAHOMA... PUSHMATAHA...CHOCTAW...OSAGE...WASHINGTON...NOWATA...CRAIG... OTTAWA...PAWNEE...TULSA...ROGERS...MAYES...DELAWARE...CREEK... OKFUSKEE...OKMULGEE...WAGONER...CHEROKEE...ADAIR...MUSKOGEE... MCINTOSH...SEQUOYAH...PITTSBURG...HASKELL...LATIMER AND LE FLORE. STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE OVER EASTERN OKLAHOMA AND FAR NORTHWEST ARKANSAS FOR THE REMAINDER OF THIS AFTERNOON AND EARLY EVENING...WITH SUSTAINED SPEEDS OF 15 TO 25 MPH COMMON. TEMPERATURES IN THE LOWER TO MIDDLE 70S...AND RELATIVE HUMIDITY VALUES BELOW 20 PERCENT WILL ALSO CONTINUE. CONDITIONS WILL SLOWLY IMPROVE THIS EVENING AS WIND SPEEDS DROP TO LESS THAN 15 MPH AND RELATIVE HUMIDITY VALUES BEGIN TO INCREASE. WHILE THE OVERALL FIRE DANGER WILL DECREASE AFTER 8 PM...A SLOW MOVING FRONT WILL PASS THROUGH PORTIONS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS LATER TONIGHT...WHICH WILL SHIFT WINDS TO A MORE EAST TO NORTHEASTERLY DIRECTION. THE WIND SHIFT WILL MAKE FIRE FIGHTING EFFORTS DIFFICULT FOR ANY REMAINING UNCONTAINED FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. ANY FIRES MAY QUICKLY SPREAD AND BE DIFFICULT TO CONTROL. && $$
339 WWUS84 KTSA 120203 RFWTSA URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TULSA OK 803 PM CST FRI MAR 11 2011 ARZ001-010-OKZ049-053>076-120315- /O.EXP.KTSA.FW.W.0001.000000T0000Z-110312T0200Z/ BENTON-WASHINGTON AR-PUSHMATAHA-CHOCTAW-OSAGE-WASHINGTON OK- NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES-DELAWARE-CREEK- OKFUSKEE-OKMULGEE-WAGONER-CHEROKEE-ADAIR-MUSKOGEE-MCINTOSH- SEQUOYAH-PITTSBURG-HASKELL-LATIMER-LE FLORE- 803 PM CST FRI MAR 11 2011 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. FOR THE FOLLOWING COUNTIES... IN ARKANSAS... BENTON AND WASHINGTON. IN OKLAHOMA... PUSHMATAHA...CHOCTAW...OSAGE...WASHINGTON...NOWATA...CRAIG... OTTAWA...PAWNEE...TULSA...ROGERS...MAYES...DELAWARE...CREEK... OKFUSKEE...OKMULGEE...WAGONER...CHEROKEE...ADAIR...MUSKOGEE... MCINTOSH...SEQUOYAH...PITTSBURG...HASKELL...LATIMER AND LE FLORE. THE SOUTHERLY WINDS HAVE SUBSIDED THIS EVENING...AND RELATIVE HUMIDITIES HAVE CLIMBED TO ABOVE 30 PERCENT ACROSS MOST OF THE AREA...RESULTING IN A DECREASE IN THE FIRE DANGER. WHILE THE OVERALL FIRE DANGER HAS DECREASED...A SLOW MOVING FRONT WILL PASS THROUGH PORTIONS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS LATER TONIGHT...WHICH WILL SHIFT WINDS TO A MORE EAST TO NORTHEASTERLY DIRECTION. THE WIND SHIFT WILL MAKE FIRE FIGHTING EFFORTS DIFFICULT FOR ANY REMAINING UNCONTAINED FIRES. $$
Nearby
Red Flag Warnings in Oklahoma, 2011Red Flag Warnings in Arkansas, 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.