Alert archive / Oklahoma / Red Flag Warnings in 2011

Red Flag Warning 10, NWS Tulsa, OK

November 11, 201116 counties in Oklahoma

NWS Tulsa, OK issued this red flag warning at Nov 11, 2011, 2:43 PM CST for 16 counties in Oklahoma. It was in force for 4 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
Nov 11, 2011, 2:43 PM CST (20:43 UTC)
Expired
Nov 11, 2011, 7:00 PM CST
In force
4 hr
Issued by
NWS Tulsa, OK

Counties Cherokee County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 24 km from the middle of the area, began a volume at 20:43 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, 8.7 hours before the alert went out and 177 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2011-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2011-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2032 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

546 
WWUS84 KTSA 112043
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
243 PM CST FRI NOV 11 2011

OKZ055>058-060>063-066>068-070-071-073>075-120100-
/O.NEW.KTSA.FW.W.0010.111111T2043Z-111112T0100Z/
WASHINGTON OK-NOWATA-CRAIG-OTTAWA-TULSA-ROGERS-MAYES-DELAWARE-
OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE-MCINTOSH-PITTSBURG-HASKELL-
LATIMER-
243 PM CST FRI NOV 11 2011

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG 
WARNING...WHICH IS IN EFFECT UNTIL 7 PM CST THIS EVENING...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...WAGONER...OTTAWA...ROGERS...DELAWARE... 
   WASHINGTON...MAYES...CRAIG...NOWATA...PITTSBURG...CHEROKEE... 
   MCINTOSH...MUSKOGEE...TULSA...OKMULGEE...LATIMER AND HASKELL. 

HAZARDOUS WEATHER...
 * GUSTY SOUTHERLY WINDS AND LOW HUMIDITIES HAVE CREATED SHORT
   TERM CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF
   EASTERN OKLAHOMA THIS AFTERNOON. THE FIRE WEATHER CONDITIONS
   WILL IMPROVE AROUND SUNSET AS TEMPERATURES COOL AND HUMIDITIES
   RISE.

IMPACTS...
 * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER 
   LIVES AND PROPERTY. 

DEFINITION...
 * A RED FLAG WARNING MEANS THAT A DANGEROUS COMBINATION OF 
   WEATHER CONDITIONS AND DRY VEGETATION IS EXPECTED WITHIN 24 
   HOURS...FAVORING RAPID GROWTH AND SPREAD OF ANY WILDFIRES. 
   THE PRIMARY WEATHER FACTORS INCLUDE STRONGER WINDS...LOWER 
   HUMIDITIES...AND WARMER TEMPERATURES.

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. 

&&

$$
2 follow-up statements
242 
WWUS84 KTSA 112133
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
333 PM CST FRI NOV 11 2011

OKZ055>058-060-061-120545-
/O.NEW.KTSA.FW.A.0006.111112T1500Z-111113T0000Z/
/O.CON.KTSA.FW.W.0010.000000T0000Z-111112T0100Z/
WASHINGTON OK-NOWATA-CRAIG-OTTAWA-TULSA-ROGERS-
333 PM CST FRI NOV 11 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FIRE WEATHER 
WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH 
SATURDAY AFTERNOON AND A RED FLAG WARNING IS IN EFFECT...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...ROGERS...OTTAWA...CRAIG...NOWATA...WASHINGTON 
   AND TULSA. 

HAZARDOUS WEATHER...
 * GUSTY SOUTHERLY WINDS AND LOW HUMIDITIES HAVE CREATED SHORT
   TERM CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF
   EASTERN OKLAHOMA THIS AFTERNOON. THE FIRE WEATHER CONDITIONS
   WILL IMPROVE AROUND SUNSET AS TEMPERATURES COOL AND HUMIDITIES
   RISE.

 * HOWEVER...STRONGER SOUTHERLY WINDS ARE EXPECTED TO DEVELOP BY
   LATE MORNING TOMORROW...WHICH WILL COMBINE WITH DECREASING
   RELATIVE HUMIDITIES TO LEAD TO RAPIDLY DETERIORATING FIRE
   WEATHER CONDITIONS AGAIN TOMORROW. AGGRESSIVE FIRE BEHAVIOR
   WILL BE LIKELY FROM LATE MORNING THROUGH THE AFTERNOON HOURS
   TOMORROW.

IMPACTS...
 * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER 
   LIVES AND PROPERTY. 

DEFINITION...
 * A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER 
   CONDITIONS ARE FORECAST TO OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
 * LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. 

 * 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. 

 * DISPOSE OF CIGARETTES PROPERLY AND AVOID ACTIVITIES THAT 
   COULD START FIRES. 

&&

$$

OKZ062-063-066>068-070-071-073>075-120100-
/O.CON.KTSA.FW.W.0010.000000T0000Z-111112T0100Z/
MAYES-DELAWARE-OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE-MCINTOSH-
PITTSBURG-HASKELL-LATIMER-
333 PM CST FRI NOV 11 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS
EVENING...

A RED FLAG WARNING IS IN EFFECT...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...WAGONER...MAYES...DELAWARE...CHEROKEE... 
   PITTSBURG...MCINTOSH...MUSKOGEE...OKMULGEE...LATIMER AND 
   HASKELL. 

HAZARDOUS WEATHER...
 * GUSTY SOUTHERLY WINDS AND LOW HUMIDITIES HAVE CREATED SHORT
   TERM CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF
   EASTERN OKLAHOMA THIS AFTERNOON. THE FIRE WEATHER CONDITIONS
   WILL IMPROVE AROUND SUNSET AS TEMPERATURES COOL AND HUMIDITIES
   RISE.

IMPACTS...
 * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER 
   LIVES AND PROPERTY. 

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. 

&&

$$

OKZ054-059-064-120545-
/O.NEW.KTSA.FW.A.0006.111112T1500Z-111113T0000Z/
OSAGE-PAWNEE-CREEK-
333 PM CST FRI NOV 11 2011

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FIRE WEATHER 
WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH 
SATURDAY AFTERNOON...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...PAWNEE...CREEK AND OSAGE. 

HAZARDOUS WEATHER...
 * STRONG AND GUSTY SOUTHERLY WINDS ARE EXPECTED TO DEVELOP BY
   LATE MORNING TOMORROW...WHICH WILL COMBINE WITH DECREASING
   RELATIVE HUMIDITIES TO LEAD TO RAPIDLY DETERIORATING FIRE
   WEATHER CONDITIONS TOMORROW. AGGRESSIVE FIRE BEHAVIOR IS
   LIKELY FROM LATE MORNING THROUGH THE AFTERNOON HOURS TOMORROW.

IMPACTS...
 * THE PURPOSE OF FIRE WEATHER WATCHES AND RED FLAG WARNINGS ARE 
   TO ALERT LAND MANAGEMENT AGENCIES OF DEVELOPING WEATHER 
   CONDITIONS THAT...WHEN COMBINED WITH CRITICALLY DRY WILDLAND 
   FUELS...COULD LEAD TO DANGEROUS WILDFIRES. TIMELY AND 
   ACCURATE WATCHES AND WARNINGS ENABLE FIRE FIGHTING AGENCIES 
   TO MANAGE RESOURCES AND PREPARE APPROPRIATE SUPPRESSION 
   RESPONSES FOR PROTECTING LIFE AND PROPERTY. 

DEFINITION...
 * A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER 
   CONDITIONS ARE FORECAST TO OCCUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
 * LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. 

 * 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. 

&&

$$
407 
WWUS84 KTSA 120106
RFWTSA

FIRE WEATHER PRODUCT
NATIONAL WEATHER SERVICE TULSA OK
706 PM CST FRI NOV 11 2011

OKZ055>058-060-061-120915-
/O.EXP.KTSA.FW.W.0010.000000T0000Z-111112T0100Z/
/O.CON.KTSA.FW.A.0006.111112T1500Z-111113T0000Z/
WASHINGTON OK-NOWATA-CRAIG-OTTAWA-TULSA-ROGERS-
706 PM CST FRI NOV 11 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON...
...RED FLAG WARNING HAS EXPIRED...

A FIRE WEATHER WATCH IS IN EFFECT...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...WASHINGTON...CRAIG...NOWATA...OTTAWA...TULSA AND
   ROGERS.

HAZARDOUS WEATHER...
 * STRONG SOUTHERLY WINDS WILL DEVELOP BY LATE MORNING
   TOMORROW...WHICH WILL COMBINE WITH DECREASING RELATIVE
   HUMIDITIES TO LEAD TO RAPIDLY DETERIORATING FIRE WEATHER
   CONDITIONS AGAIN TOMORROW. AGGRESSIVE FIRE BEHAVIOR WILL BE
   LIKELY FROM LATE MORNING THROUGH THE AFTERNOON HOURS TOMORROW.

IMPACTS...
 * THE PURPOSE OF FIRE WEATHER WATCHES AND RED FLAG WARNINGS ARE 
   TO ALERT LAND MANAGEMENT AGENCIES OF DEVELOPING WEATHER 
   CONDITIONS THAT...WHEN COMBINED WITH CRITICALLY DRY WILDLAND 
   FUELS...COULD LEAD TO DANGEROUS WILDFIRES. TIMELY AND 
   ACCURATE WATCHES AND WARNINGS ENABLE FIRE FIGHTING AGENCIES 
   TO MANAGE RESOURCES AND PREPARE APPROPRIATE SUPPRESSION 
   RESPONSES FOR PROTECTING LIFE AND PROPERTY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...
 * LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. 

 * 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. 

&&

$$

OKZ062-063-066>068-070-071-073>075-120215-
/O.EXP.KTSA.FW.W.0010.000000T0000Z-111112T0100Z/
MAYES-DELAWARE-OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE-MCINTOSH-
PITTSBURG-HASKELL-LATIMER-
706 PM CST FRI NOV 11 2011

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...DELAWARE...WAGONER...PITTSBURG...OKMULGEE... 
   MAYES...CHEROKEE...MCINTOSH...MUSKOGEE...LATIMER AND HASKELL. 

 * THE RED FLAG WARNING THAT WAS IN EFFECT HAS EXPIRED.

 * WINDS HAVE WEAKENED AND HUMIDITIES HAVE RISEN WHICH HAVE
   IMPROVED THE FIRE WEATHER CONDITIONS FOR THE REMAINDER OF
   TONIGHT.

&&

$$

OKZ054-059-064-120915-
/O.CON.KTSA.FW.A.0006.111112T1500Z-111113T0000Z/
OSAGE-PAWNEE-CREEK-
706 PM CST FRI NOV 11 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON...

A FIRE WEATHER WATCH IS IN EFFECT...

FOR THE FOLLOWING COUNTIES...
 * IN OKLAHOMA...PAWNEE...OSAGE AND CREEK. 

HAZARDOUS WEATHER...
 * STRONG SOUTHERLY WINDS WILL DEVELOP BY LATE MORNING
   TOMORROW...WHICH WILL COMBINE WITH DECREASING RELATIVE
   HUMIDITIES TO LEAD TO RAPIDLY DETERIORATING FIRE WEATHER
   CONDITIONS AGAIN TOMORROW. AGGRESSIVE FIRE BEHAVIOR WILL BE
   LIKELY FROM LATE MORNING THROUGH THE AFTERNOON HOURS TOMORROW.

IMPACTS...
 * THE PURPOSE OF FIRE WEATHER WATCHES AND RED FLAG WARNINGS ARE 
   TO ALERT LAND MANAGEMENT AGENCIES OF DEVELOPING WEATHER 
   CONDITIONS THAT...WHEN COMBINED WITH CRITICALLY DRY WILDLAND 
   FUELS...COULD LEAD TO DANGEROUS WILDFIRES. TIMELY AND 
   ACCURATE WATCHES AND WARNINGS ENABLE FIRE FIGHTING AGENCIES 
   TO MANAGE RESOURCES AND PREPARE APPROPRIATE SUPPRESSION 
   RESPONSES FOR PROTECTING LIFE AND PROPERTY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...
 * LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. 

 * 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. 

&&

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 11, 12:18 PM CSTWind AdvisoryTSAAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more30 hr
Nov 11, 3:33 PM CSTFire Weather WatchTSACraig, Creek, Nowata, Ottawa, Pawnee, Rogers and 2 more12 hr

Nearby

Red 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.