Alert archive / Oklahoma / Red Flag Warnings in 2012
Red Flag Warning 10, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Aug 22, 2012, 1:03 PM CDT for 7 counties in Oklahoma. 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
- Aug 22, 2012, 1:03 PM CDT (18:03 UTC)
- Expired
- Aug 22, 2012, 9:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Tulsa, OK
Counties Craig County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 46 km from the middle of the area, began a volume at 18:07 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.1 hours before the alert went out and 163 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
- 9 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1953 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
194 WWUS84 KTSA 221803 RFWTSA FIRE WEATHER PRODUCT NATIONAL WEATHER SERVICE TULSA OK 103 PM CDT WED AUG 22 2012 ...CRITICAL FIRE DANGER NORTH OF HIGHWAY 412 IN NORTHEAST OKLAHOMA... .DRY AND BREEZY CONDITIONS WILL ENHANCE THE FIRE THREAT THIS AFTERNOON AND EVENING. OKZ054>059-061-062-230200- /O.NEW.KTSA.FW.W.0010.120822T1803Z-120823T0200Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-ROGERS-MAYES- 103 PM CDT WED AUG 22 2012 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...WASHINGTON...OSAGE...CRAIG...NOWATA...PAWNEE... OTTAWA...ROGERS AND MAYES. HAZARDOUS WEATHER... * RELATIVE HUMIDITY VALUES OF 20 TO 25 PERCENT ACROSS NORTHEAST OKLAHOMA. * SOUTH WINDS OF 10 TO 20 MILES AN HOUR WITH HIGHER GUST. * SPREAD INDEX VALUES OF 50 TO 60. IMPACTS... * FIRES WILL SPREAD QUICKLY AND MAKE SUPPRESSION EFFORTS DIFFICULT AT BEST. FIRES MAY ENDANGER LIVES AND PROPERTY. DEFINITION... * A RED FLAG WARNING MEANS THAT A DANGEROUS COMBINATION OF WEATHER CONDITIONS AND DRY VEGETATION IS EXPECTED... FAVORING RAPID GROWTH AND SPREAD OF ANY WILDFIRES. THE PRIMARY WEATHER FACTORS INCLUDE WIND AND LOW HUMIDITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * DISPOSE OF CIGARETTES PROPERLY AND AVOID ACTIVITIES THAT COULD START FIRES. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$
1 follow-up statement
262 WWUS84 KTSA 230208 RFWTSA FIRE WEATHER PRODUCT NATIONAL WEATHER SERVICE TULSA OK 908 PM CDT WED AUG 22 2012 OKZ054>059-061-062-230315- /O.EXP.KTSA.FW.W.0010.000000T0000Z-120823T0200Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-ROGERS-MAYES- 908 PM CDT WED AUG 22 2012 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...WASHINGTON...OSAGE...CRAIG...NOWATA...PAWNEE... OTTAWA...ROGERS AND MAYES. * THE RED FLAG WARNING THAT WAS IN EFFECT HAS EXPIRED HAZARDOUS WEATHER... * WIND SPEEDS WILL REMAIN LESS THAN 10 MPH AND HUMIDITY LEVELS WILL CONTINUE TO RISE OVERNIGHT. WINDS WILL INCREASE ACROSS THE AREA AGAIN THURSDAY AFTERNOON...THOUGH HUMIDITY LEVELS ARE EXPECTED TO BE A LITTLE HIGHER. && $$
Nearby
Red Flag Warnings in Oklahoma, 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.