Alert archive / Texas / Red Flag Warnings in 2010
Red Flag Warning 21, NWS Norman, OK
NWS Norman, OK issued this red flag warning at Dec 20, 2010, 4:32 AM CST for 8 counties in Texas; 5 counties in Oklahoma. It took effect at Dec 20, 2010, 11:00 AM CST. It was in force for 7 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
- Dec 20, 2010, 4:32 AM CST (10:32 UTC)
- In effect from
- Dec 20, 2010, 11:00 AM CST
- Expired
- Dec 20, 2010, 6:00 PM CST
- In force
- 7 hr
- Issued by
- NWS Norman, OK
Counties Cotton County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 32 km from the middle of the area, began a volume at 10:38 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
Norman, OK (KOUN), launched 00:00Z, 10.5 hours before the alert went out and 197 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
- 1705 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
429 WWUS84 KOUN 201032 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 432 AM CST MON DEC 20 2010 .WINDY...DRY...AND VERY WARM CONDITIONS ARE FORECAST THIS AFTERNOON...WHICH WILL LEAD TO EXTREME WILDFIRE DANGERS ACROSS WESTERN NORTH TEXAS AND PORTIONS OF SOUTHWEST OKLAHOMA. OKZ044-TXZ090-201145- /O.CAN.KOUN.FW.A.0018.101220T1700Z-101221T0000Z/ COTTON-CLAY- 432 AM CST MON DEC 20 2010 ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NORMAN HAS CANCELLED THE FIRE WEATHER WATCH. WILDFIRE DANGERS WILL BE ELEVATED...BUT RED FLAG WARNING LEVELS ARE NOT FORECAST. $$ OKZ033-036-037-TXZ083>089-201845- /O.UPG.KOUN.FW.A.0018.101220T1700Z-101221T0000Z/ /O.NEW.KOUN.FW.W.0021.101220T1700Z-101221T0000Z/ HARMON-JACKSON-TILLMAN-HARDEMAN-FOARD-WILBARGER-WICHITA-KNOX- BAYLOR-ARCHER- 432 AM CST MON DEC 20 2010 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. AFTERNOON TEMPERATURES ARE FORECAST TO BE IN THE MID 70S TO LOWER 80S...WITH WEST TO SOUTHWEST WINDS REACHING SUSTAINED SPEEDS OF 20 TO 25 MPH. GUSTS OF 30 MPH ARE ALSO EXPECTED. THE WESTERLY WINDS WILL BRING DRIER AIR OVER WESTERN NORTH TEXAS AND SOUTHWEST OKLAHOMA...WHICH WILL LOWER AFTERNOON HUMIDITY VALUES TO BETWEEN 15 AND 20 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$
1 follow-up statement
517 WWUS84 KOUN 201941 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 141 PM CST MON DEC 20 2010 .WINDY...DRY...AND VERY WARM CONDITIONS WILL CONTINUE THIS AFTERNOON... WHICH WILL LEAD TO EXTREME WILDFIRE DANGERS ACROSS WESTERN NORTH TEXAS AND PORTIONS OF SOUTHWEST OKLAHOMA. OKZ044-045-TXZ090-210000- /O.EXA.KOUN.FW.W.0021.000000T0000Z-101221T0000Z/ COTTON-JEFFERSON-CLAY- 141 PM CST MON DEC 20 2010 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. AFTERNOON TEMPERATURES IN THE MID 70S TO NEAR 80 WITH SOUTHWEST WINDS REACHING SUSTAINED SPEEDS OF 20 TO 25 MPH WILL OCCUR OVER THE REGION. GUSTS OF 30 MPH ARE ALSO EXPECTED ALONG WITH AFTERNOON HUMIDITY VALUES TO BETWEEN 15 AND 20 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$ OKZ033-036-037-TXZ083>089-210000- /O.CON.KOUN.FW.W.0021.000000T0000Z-101221T0000Z/ HARMON-JACKSON-TILLMAN-HARDEMAN-FOARD-WILBARGER-WICHITA-KNOX- BAYLOR-ARCHER- 141 PM CST MON DEC 20 2010 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. AFTERNOON TEMPERATURES IN THE MID 70S TO LOWER 80S AND WEST TO SOUTHWEST WINDS REACHING SUSTAINED SPEEDS OF 20 TO 25 MPH WILL OCCUR OVER THE REGION. GUSTS OF 30 MPH ARE ALSO EXPECTED ALONG WITH AFTERNOON HUMIDITY VALUES TO BETWEEN 15 AND 20 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$
Nearby
Red Flag Warnings in Texas, 2010Red Flag Warnings in Oklahoma, 2010Every red flag warning in 2010
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.