Alert archive / Oklahoma / Red Flag Warnings in 2012
Red Flag Warning 18, NWS Norman, OK
NWS Norman, OK issued this red flag warning at Oct 18, 2012, 4:10 AM CDT for Grant County, Kay County, Noble County, Oklahoma. It took effect at Oct 18, 2012, 12:00 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 18, 2012, 4:10 AM CDT (09:10 UTC)
- In effect from
- Oct 18, 2012, 12:00 PM CDT
- Expired
- Oct 18, 2012, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Norman, OK
Counties Grant County, OK, Kay County, OK, Noble County, OK
The radar
The Vance AFB radar (KVNX), 67 km from the middle of the area, began a volume at 09:14 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
Lamont, OK (KLMN), launched 00:00Z, 9.2 hours before the alert went out and 10 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
- 3395 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
276 WWUS84 KOUN 180910 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 410 AM CDT THU OCT 18 2012 ...VERY HIGH FIRE DANGER ACROSS NORTHERN OKLAHOMA TODAY... .TEMPERATURES WILL REMAIN ON THE COOL SIDE. HOWEVER...GUSTY NORTHWEST WINDS AND VERY DRY CONDITIONS COMBINED WITH AREAS OF EXCEPTIONAL DROUGHT AND MODERATELY DRY VEGETATION COULD CREATE VERY HIGH FIRE DANGER THIS AFTERNOON. OKZ004>006-010>012-020-181015- /O.CAN.KOUN.FW.A.0014.121018T1700Z-121018T2300Z/ HARPER-WOODS-ALFALFA-WOODWARD-MAJOR-GARFIELD-PAYNE- 410 AM CDT THU OCT 18 2012 ...FIRE WEATHER WATCH IS CANCELLED THIS AFTERNOON FOR LOCATIONS ACROSS NORTHERN OKLAHOMA... FORECAST CONDITIONS WHICH PROMPTED THE WATCH ARE NO LONGER EXPECTED TO OCCUR. ALTHOUGH RED FLAG CONDITIONS ARE NO LONGER EXPECTED IT WILL REMAIN BREEZY AND DRY THIS AFTERNOON. $$ OKZ007-008-013-181715- /O.UPG.KOUN.FW.A.0014.121018T1700Z-121018T2300Z/ /O.NEW.KOUN.FW.W.0018.121018T1700Z-121018T2300Z/ GRANT-KAY-NOBLE- 410 AM CDT THU OCT 18 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING FOR NORTH CENTRAL OKLAHOMA... THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * HUMIDITY...MINIMUM 16 TO 20 PERCENT * WIND...NORTHWEST 25 TO 30 MPH GUSTING NEAR 40. * TEMPERATURE...UPPER 60S TO LOWER 70S. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$
2 follow-up statements
192 WWUS84 KOUN 181512 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 1012 AM CDT THU OCT 18 2012 ...VERY HIGH FIRE DANGER ACROSS NORTHERN OKLAHOMA TODAY... .TEMPERATURES WILL REMAIN ON THE COOL SIDE. HOWEVER...GUSTY NORTHWEST WINDS AND VERY DRY CONDITIONS COMBINED WITH AREAS OF EXCEPTIONAL DROUGHT AND MODERATELY DRY VEGETATION WILL YIELD VERY HIGH FIRE DANGER THIS AFTERNOON. OKZ007-008-013-182300- /O.CON.KOUN.FW.W.0018.121018T1700Z-121018T2300Z/ GRANT-KAY-NOBLE- 1012 AM CDT THU OCT 18 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR NORTH CENTRAL OKLAHOMA... * HUMIDITY...MINIMUM 12 TO 18 PERCENT * WIND...NORTHWEST 25 TO 30 MPH GUSTING TO 45 MPH. * TEMPERATURE...UPPER 60S TO LOWER 70S. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... FIRES MAY START EASILY AND SPREAD RAPIDLY. REPORT SMOKE OR FIRE TO YOUR LOCAL FIRE DEPARTMENT. && $$
922 WWUS84 KOUN 182310 RFWOUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 610 PM CDT THU OCT 18 2012 OKZ007-008-013-190015- /O.EXP.KOUN.FW.W.0018.000000T0000Z-121018T2300Z/ GRANT-KAY-NOBLE- 610 PM CDT THU OCT 18 2012 ...RED FLAG WARNING HAS EXPIRED FOR NORTH CENTRAL OKLAHOMA... WINDS WILL DIMINISH THROUGH THE EARLY EVENING AND HUMIDITY LEVELS WILL INCREASE. $$
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Norman, OK wrote its last area forecast discussion before this red flag warning went out at Oct 17, 11:41 PM CDT, 4 hours 29 minutes earlier.
Area forecast discussion, Oct 17, 11:41 PM CDT, 4 hours 29 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 1141 PM CDT WED OCT 17 2012 .AVIATION... WINDS WILL REMAIN FAIRLY LIGHT OVERNIGHT BUT WILL INCREASE AGAIN EARLY THURSDAY WITH MIXING. THE STRONGEST WINDS WILL BE ACROSS NORTH CENTRAL OKLAHOMA. SKIES WILL REMAIN GENERALLY CLEAR. && .PREV DISCUSSION... /ISSUED 919 PM CDT WED OCT 17 2012/ UPDATE... DRY AIR CONTINUES TO FILTER INTO THE FA THIS EVENING. WINDS HAVE ALSO DECREASED OVER THE PAST FEW HOURS. LOW TEMPERATURES ARE EXPECTED TO DROP INTO THE 30S ACROSS PARTS OF NORTHERN/NORTHWEST OK WITH A FEW LOCATIONS POSSIBLY DROPPING AOB FREEZING. HOWEVER... THESE CONDITIONS ARE EXPECTED FOR ONLY ABOUT AN HOUR OR SO. SOME PATCHY FROST MAY ALSO DEVELOP IN LOW-LYING AND/OR SHELTERED AREAS BUT WIDESPREAD FROST IS NOT EXPECTED SO WILL NOT ISSUE ANY HEADLINES AT THIS TIME. MADE SOME MINOR ADJUSTMENTS TO THE HOURLY GRIDS AND LOW TEMPS. OTHERWISE... FORECAST LOOKS FINE. WILL SEND UPDATES SHORTLY. MAXWELL PREV DISCUSSION... /ISSUED 631 PM CDT WED OCT 17 2012/ AVIATION... GUSTY NORTHWEST WINDS WILL CONTINUE TO DECREASE THROUGH THE EARLY EVENING AS HIGH PRESSURE BUILDS SOUTHWARD AND WINDS DECOUPLE. WINDS WILL INCREASE AGAIN ON THURSDAY ESPECIALLY ACROSS NORTHERN OKLAHOMA WITH MAINLY CLEAR SKIES. PREV DISCUSSION... /ISSUED 319 PM CDT WED OCT 17 2012/ DISCUSSION... WILL BE REMOVING THE RED FLAG WARNING AND WIND ADVISORY WITH THIS PACKAGE. WINDS HAVE DIMINISHED ACROSS MUCH OF THE AREA THROUGH THE AFTERNOON AND PRESSURE RISES BEHIND THE FRONT HAVE NOT BEEN QUITE AS STRONG AS ADVERTISED YESTERDAY. ALTHOUGH ISOLATED GUSTS OF 40 MPH ARE POSSIBLE... DO NOT THINK IT WILL BE WIDESPREAD ENOUGH TO JUSTIFY KEEPING THE ADVISORY UP. AS FAR AS RED FLAG... DEWPOINTS OF MID 20S THROUGH MID 30S HAVE WORKED INTO NORTHERN OKLAHOMA ALTHOUGH THESE ARE HIGHER THAN THE MID TEENS TO MID 20S DEWPOINTS THAT WERE SHOWN IN YESTERDAY/S MODELS... SO RH HAS STAYED ABOVE 20 PERCENT IN MOST AREAS. BUT WILL MAINTAIN THE FIRE WEATHER WATCH FOR TOMORROW WITH LOWER RH THAN TODAY... ALTHOUGH WIND SPEEDS WILL BE SOMEWHAT LIGHTER. TEMPERATURES WILL BE COOL ENOUGH FOR POCKETS OF FRONT IN THE NORTHWEST IN SHELTERED AREAS... BUT WINDS SHOULD BE SUFFICIENT TO PREVENT WIDESPREAD FROST. A WARMING TREND WILL COMMENCE AFTER TOMORROW WITH MAX TEMPERATURES ABOVE AVERAGES. THERE WILL BE A SLIGHT CHANCE OF PRECIPITATION MONDAY AND TUESDAY AS LOW AND/OR THE MID-LEVEL REMAINS OF HURRICANE PAUL MOVE TOWARD THE SOUTHERN PLAINS FROM OFF THE BAJA PENINSULA. && .PRELIMINARY POINT TEMPS/POPS... OKLAHOMA CITY OK 41 71 43 73 / 0 0 0 0 HOBART OK 40 74 42 76 / 0 0 0 0 WICHITA FALLS TX 45 75 46 77 / 0 0 0 0 GAGE OK 30 69 33 77 / 0 0 0 0 PONCA CITY OK 40 71 41 70 / 0 0 0 0 DURANT OK 47 75 47 76 / 0 0 0 0 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...FIRE WEATHER WATCH THURSDAY AFTERNOON FOR OKZ004>008-010>013-020. TX...NONE. &&
Hazardous weather outlook, Oct 17, 9:28 PM CDT, 6 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NORMAN OK
928 PM CDT WED OCT 17 2012
OKZ004>048-050>052-TXZ083>090-181200-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
928 PM CDT WED OCT 17 2012
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.
.DAY ONE...REST OF TONIGHT...
THUNDERSTORM OUTLOOK...
THUNDERSTORMS ARE NOT EXPECTED.
DISCUSSION...
A DRY AND VERY STABLE AIRMASS OVER THE REGION WILL PREVENT
THUNDERSTORMS FROM DEVELOPING.
PROBABILITY TABLE...
VALID THROUGH 700 PM CDT THURSDAY OCT 18.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA...ZERO PERCENT.
OTHER HAZARDOUS WEATHER...
SOME PATCHY FROST OR FREEZING TEMPERATURES COULD OCCUR IN PARTS OF
NORTHWEST OKLAHOMA OVERNIGHT INTO EARLY THURSDAY MORNING.
DESPITE WIDESPREAD FROST AND FREEZING TEMPERATURES NOT BEING
EXPECTED... PEOPLE IN NORTHWEST OKLAHOMA MAY STILL WANT TO TAKE
STEPS TO PROTECT PLANTS THAT ARE SUSCEPTIBLE TO COLD.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...
THUNDERSTORM OUTLOOK...
AN UPPER STORM SYSTEM WILL MOVE INTO THE AREA EARLY NEXT
WEEK...BRINGING ANOTHER CHANCE OF SHOWERS AND THUNDERSTORMS TO PARTS
OF OKLAHOMA AND WESTERN NORTH TEXAS ON MONDAY AND TUESDAY.
OTHER HAZARDOUS WEATHER...
HIGH TO VERY HIGH FIRE DANGER IS EXPECTED AGAIN ON THURSDAY AS
BREEZY NORTHWEST WINDS AND VERY LOW HUMIDITIES DEVELOP OVER NORTHERN
OKLAHOMA DURING THE AFTERNOON HOURS. A FIRE WEATHER WATCH IS
CURRENTLY IN EFFECT FOR PARTS OF NORTHERN OKLAHOMA. THIS MAY BE
UPGRADED TO A RED FLAG WARNING IF CONDITIONS APPEAR TO BE MORE
CONDUCIVE TO WILDFIRES.
THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY 5 AM
ON THURSDAY OCTOBER 18.
AUSTIN/MAXWELLThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 4:16 AM CDT | Wind Advisory | OUN | Alfalfa, Garfield, Grant, Harper, Kay, Kingfisher and 7 more | 14 hr |
| Oct 18, 2:29 PM CDT | Blowing Dust Advisory | OUN | Alfalfa, Garfield, Grant, Kay, Noble, Payne | 4 hr |
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.