Alert archive / Oklahoma / Red Flag Warnings in 2011
Red Flag Warning 9, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Oct 29, 2011, 12:51 PM CDT for Craig County, Nowata County, Oklahoma. It took effect at Oct 29, 2011, 1:00 PM CDT. It was in force for 6 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
- Oct 29, 2011, 12:51 PM CDT (17:51 UTC)
- In effect from
- Oct 29, 2011, 1:00 PM CDT
- Expired
- Oct 29, 2011, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Tulsa, OK
Counties Craig County, OK, Nowata County, OK
The radar
The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 17:55 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, 5.9 hours before the alert went out and 144 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
- 2477 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
138 WWUS84 KTSA 291751 RFWTSA FIRE WEATHER PRODUCT NATIONAL WEATHER SERVICE TULSA OK 1251 PM CDT SAT OCT 29 2011 ...BORDERLINE CRITICAL FIRE DANGER EXPECTED ACROSS FAR NORTHEAST OKLAHOMA... .SOUTHWEST WINDS AROUND 20 MPH WITH HIGHER GUSTS WILL COMBINE WITH LOW RELATIVE HUMDITIES NEAR 25 PERCENT TO YIELD CRITICAL FIRE DANGER CONDITIONS OVER A SMALL PORTION OF NORTHEAST OKLAHOMA NEAR THE KANSAS BORDER THIS AFTERNOON. OKZ056-057-300000- /O.NEW.KTSA.FW.W.0009.111029T1800Z-111030T0000Z/ NOWATA-CRAIG- 1251 PM CDT SAT OCT 29 2011 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...CRAIG AND NOWATA. HAZARDOUS WEATHER... * SOUTHWEST WINDS AROUND 20 MPH WITH HIGHER GUSTS WILL COMBINE WITH LOW RELATIVE HUMDITIES NEAR 25 PERCENT TO YIELD CRITICAL FIRE DANGER CONDITIONS OVER A SMALL PORTION OF NORTHEAST OKLAHOMA NEAR THE KANSAS BORDER THIS AFTERNOON. * RELATIVE HUMIDITIES AS LOW AS 25 PERCENT * STRONG WIND GUSTS AS HIGH AS 30 MPH IMPACTS... * ANY FIRES THAT WERE TO GET GOING WOULD 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. && $$
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.