Alert archive / Oklahoma / Wind Chill Warnings in 2011

Wind Chill Warning 1, NWS Norman, OK

January 31, 201114 counties in Oklahoma

NWS Norman, OK issued this wind chill warning at Jan 31, 2011, 12:04 PM CST for 14 counties in Oklahoma. It took effect at Feb 1, 2011, 3:04 PM CST. It was in force for 18 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
Jan 31, 2011, 12:04 PM CST (18:04 UTC)
In effect from
Feb 1, 2011, 3:04 PM CST
Expired
Feb 2, 2011, 9:00 AM CST
In force
18 hr
Issued by
NWS Norman, OK

Counties Alfalfa County, OK, Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Major County, OK, Noble County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 71 km from the middle of the area, began a volume at 18:06 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 12:00Z, 6.1 hours before the alert went out and 114 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, Lamont, OK at 12:00Z on 2011-01-31Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 12:00Z on 2011-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
769 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
90 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.

419 
WWUS44 KOUN 311804
WSWOUN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
1204 PM CST MON JAN 31 2011

OKZ004-005-009-010-010215-
/O.UPG.KOUN.WW.Y.0004.110201T0000Z-110202T0000Z/
/O.UPG.KOUN.WC.A.0001.110201T0000Z-110202T1800Z/
/O.NEW.KOUN.WC.W.0001.110202T0000Z-110202T1800Z/
/O.EXA.KOUN.WS.W.0001.110201T0000Z-110202T0000Z/
HARPER-WOODS-ELLIS-WOODWARD-
INCLUDING THE CITIES OF...BUFFALO...ALVA...ARNETT...WOODWARD
1204 PM CST MON JAN 31 2011

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST TUESDAY...
...WIND CHILL WARNING IN EFFECT FROM 6 PM TUESDAY TO NOON CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WIND...AND EXTREME COLD...WHICH IS IN EFFECT 
FROM 6 PM THIS EVENING TO 6 PM CST TUESDAY. A WIND CHILL WARNING
HAS ALSO BEEN ISSUED. THIS WIND CHILL WARNING IS IN EFFECT FROM 6
PM TUESDAY TO NOON CST WEDNESDAY. THE WINTER WEATHER ADVISORY IS
NO LONGER IN EFFECT. THE WIND CHILL WATCH IS NO LONGER IN EFFECT.

* TIMING: WINTER STORM TONIGHT AND TUESDAY. EXTREME COLD THEN
  CONTINUING THROUGH WEDNESDAY MORNING.

* MAIN IMPACTS: SNOWFALL 2-4 INCHES. STRONG AND GUSTY WINDS. BLOWING
  SNOW AND LOW VISIBILITY.

* OTHER IMPACTS: DANGEROUS WIND CHILL TEMPERATURES DROPPING BELOW
  ZERO TONIGHT...AND FALLING TO 20 DEGREES BELOW ZERO FROM
  TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR
FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS
AND INFORMATION.

STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE
NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING
HYPOTHERMIA CAN HAPPEN QUICKLY

&&

$$

OKZ014-010215-
/O.UPG.KOUN.WW.Y.0004.110201T0000Z-110202T0000Z/
/O.NEW.KOUN.WC.W.0001.110202T0000Z-110202T1800Z/
/O.EXA.KOUN.WS.W.0001.110201T0000Z-110202T0000Z/
ROGER MILLS-
INCLUDING THE CITY OF...CHEYENNE
1204 PM CST MON JAN 31 2011

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST TUESDAY...
...WIND CHILL WARNING IN EFFECT FROM 6 PM TUESDAY TO NOON CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WIND...AND EXTREME COLD...WHICH IS IN EFFECT
FROM 6 PM THIS EVENING TO 6 PM CST TUESDAY. A WIND CHILL WARNING
HAS ALSO BEEN ISSUED. THIS WIND CHILL WARNING IS IN EFFECT FROM 6
PM TUESDAY TO NOON CST WEDNESDAY. THE WINTER WEATHER ADVISORY IS
NO LONGER IN EFFECT.

* TIMING: WINTER STORM TONIGHT AND TUESDAY. EXTREME COLD THEN
  CONTINUING THROUGH WEDNESDAY MORNING.

* MAIN IMPACTS: SNOWFALL 2-4 INCHES. STRONG AND GUSTY WINDS. BLOWING
  SNOW AND LOW VISIBILITY.

* OTHER IMPACTS: DANGEROUS WIND CHILL TEMPERATURES DROPPING BELOW
  ZERO TONIGHT...AND FALLING TO 20 DEGREES BELOW ZERO FROM TUESDAY
  AFTERNOON THROUGH WEDNESDAY MORNING.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* PLAN NOW FOR THE POSSIBILITY OF HAZARDOUS TRAVEL CONDITIONS 
  DEVELOPING BY MONDAY NIGHT. FROM NOW THROUGH MONDAY.. IT WILL 
  BE A GOOD IDEA TO STOCK UP ON FOOD AND OTHER PROVISIONS... 
  INCLUDING ANY NECESSARY MEDICAL SUPPLIES. 

* WEATHER INFORMATION CAN BE FOUND ON THE NORMAN FORECAST OFFICE 
  WEB SITE. ALSO STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL 
  RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS 
  WEATHER EVENT. 

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR
FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS
AND INFORMATION.

STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE
NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING
HYPOTHERMIA CAN HAPPEN QUICKLY

&&

$$

OKZ021-033-034-036-037-043>045-047-050-051-TXZ083>090-010215-
/O.UPG.KOUN.WW.Y.0004.110201T0000Z-110202T0000Z/
/O.EXA.KOUN.WS.W.0001.110201T0000Z-110202T0000Z/
BECKHAM-HARMON-GREER-JACKSON-TILLMAN-COAL-COTTON-JEFFERSON-
JOHNSTON-LOVE-MARSHALL-HARDEMAN-FOARD-WILBARGER-WICHITA-KNOX-
BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...ELK CITY...SAYRE...HOLLIS...MANGUM...
ALTUS...FREDERICK...COALGATE...WALTERS...WAURIKA...TISHOMINGO...
MARIETTA...MADILL...QUANAH...CHILLICOTHE...CROWELL...VERNON...
WICHITA FALLS...MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...
HOLLIDAY...LAKESIDE CITY...HENRIETTA
1204 PM CST MON JAN 31 2011

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WINTER STORM
WARNING FOR ICE...SNOW...WIND...AND EXTREME COLD...WHICH IS IN 
EFFECT FROM 6 PM THIS EVENING TO 6 PM CST TUESDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING: FREEZING RAIN AND SLEET FROM LATE EVENING THROUGH EARLY
  TUESDAY. SNOW AND BLOWING SNOW ON TUESDAY. WIND CHILL
  TEMPERATURES CONTINUALLY FALLING.

* MAIN IMPACT: ONE TENTH TO ONE QUARTER INCH OF GLAZE FROM
  FREEZING RAIN...FOLLOWED BY SLEET AND SNOW ACCUMULATIONS OF 3 TO
  5 INCHES. STRONG AND GUSTY WINDS WITH CREATING BLOWING SNOW AND
  POOR VISIBILITY.

* EXTREME COLD: DANGEROUS WIND CHILL TEMPERATURES RANGING FROM
  ZERO TO 15 DEGREES BELOW ZERO BEGINNING EARLY TUESDAY.

* OTHER IMPACTS: ROADS...BRIDGES...AND OVERPASSES WILL BECOME
  SLICK AND HAZARDOUS...MAKING TRAVEL TREACHEROUS. SCATTERED POWER
  OUTAGES ARE POSSIBLE.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR
FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS
AND INFORMATION.

STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE
NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING
HYPOTHERMIA CAN HAPPEN QUICKLY

&&


$$

OKZ006>008-011>013-015>020-022>032-035-038>042-046-010215-
/O.CON.KOUN.WS.W.0001.110201T0000Z-110202T0000Z/
ALFALFA-GRANT-KAY-MAJOR-GARFIELD-NOBLE-DEWEY-CUSTER-BLAINE-
KINGFISHER-LOGAN-PAYNE-WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-
GRADY-MCCLAIN-CLEVELAND-POTTAWATOMIE-SEMINOLE-HUGHES-KIOWA-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-CARTER-
INCLUDING THE CITIES OF...CHEROKEE...MEDFORD...PONCA CITY...
FAIRVIEW...ENID...PERRY...TALOGA...WEATHERFORD...CLINTON...
WATONGA...KINGFISHER...GUTHRIE...STILLWATER...CORDELL...
ANADARKO...YUKON...EL RENO...MUSTANG...OKLAHOMA CITY...CHANDLER...
CHICKASHA...PURCELL...NORMAN...MOORE...SHAWNEE...SEMINOLE...
HOLDENVILLE...HOBART...LAWTON...DUNCAN...PAULS VALLEY...SULPHUR...
ADA...ARDMORE
1204 PM CST MON JAN 31 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST TUESDAY. 

* TIMING: LIGHT PRECIPITATION EARLY TONIGHT...THEN HEAVY WINTRY
  PRECIPITATION LATE TONIGHT THROUGH TUESDAY AFTERNOON.

* MAIN IMPACT: INITIALLY LIGHT FREEZING RAIN AND SLEET. FREEZING
  RAIN MORE SIGNIFICANT SOUTH OF A LAWTON TO SHAWNEE LINE...WHERE
  A TENTH TO QUARTER INCH GLAZE IS POSSIBLE BEFORE CHANGING TO
  SLEET AND SNOW. SNOWFALL HEAVY AT TIMES...ESPECIALLY CENTRAL AND
  NORTH CENTRAL OKLAHOMA.

* OTHER IMPACTS: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS 
  WIND CHILL VALUES LATE MONDAY NIGHT INTO TUESDAY. THE STRONG 
  WINDS... ALONG WITH EVEN LIGHT ACCUMULATIONS OF ICE OR SNOW ON 
  EXPOSED SURFACES... ALSO MAY LEAD TO DISRUPTIONS OF COMMERCIAL 
  POWER. BLOWING SNOW MAY CREATE POOR VISIBILITY AND NEAR- 
  WHITEOUT CONDITIONS IN SOME AREAS. 

* ROADS...BRIDGES...AND OVERPASSES WILL BECOME SLICK AND 
  HAZARDOUS AS EARLY AS MONDAY EVENING... MAKING TRAVEL 
  TREACHEROUS. VERY COLD CONDITIONS FOLLOWING THE STORM MAY KEEP 
  SOME ROADS FROZEN AND HAZARDOUS FOR SEVERAL DAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* PLAN NOW FOR THE POSSIBILITY OF IMMOBILIZING WEATHER 
  CONDITIONS BY TUESDAY MORNING. STOCK UP ON NECESSARY FOOD AND 
  OTHER PROVISIONS BEFORE THE STORM ARRIVES... INCLUDING ANY 
  NECESSARY MEDICATION. 

* CONSIDER CHANGING TRAVEL PLANS. IT IS PROBABLY A GOOD IDEA TO 
  PLAN FOR THE POSSIBILITY THAT UNNECESSARY TRAVEL MAY BE 
  RESTRICTED... IF NOT IMPOSSIBLE... BY EARLY TUESDAY. 

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR
  FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS
  AND INFORMATION.

&&

$$

OKZ048-052-010215-
/O.CON.KOUN.WW.Y.0004.110201T0000Z-110202T0000Z/
ATOKA-BRYAN-
INCLUDING THE CITIES OF...ATOKA...DURANT
1204 PM CST MON JAN 31 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM CST TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM CST TUESDAY. 

* TIMING: RAIN IS EXPECTED TO DEVELOP MONDAY EVENING THEN CHANGE 
  TO FREEZING RAIN AND SLEET DURING THE OVERNIGHT HOURS. A THIN 
  LAYER OF ICE IS POSSIBLE BEFORE CHANGING TO MAINLY SLEET. BY 
  SUNRISE TUESDAY MOST OF THE PRECIPITATION WILL BE IN THE FORM 
  OF SLEET AND SNOW. MOST OF THE PRECIPITATION IS EXPECTED TO BE 
  LIGHT AFTER NOON TUESDAY. 

* MAIN IMPACT: 1 TO 3 INCHES OF SLEET AND SNOW ARE POSSIBLE.

* OTHER IMPACTS: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS 
  WIND CHILL VALUES MONDAY NIGHT INTO TUESDAY. THE STRONG WINDS 
  WILL ALSO CREATE BLOWING AND DRIFTING OF SNOW AND WILL CREATE 
  POOR VISIBILITY. 

* ROADS...BRIDGES...AND OVERPASSES WILL BECOME SLICK AND 
  HAZARDOUS...MAKING TRAVEL TREACHEROUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE CAREFUL IF YOU HAVE TO TRAVEL. EVEN SMALL AMOUNTS OF ICE AND
SNOW CAN MAKE ROADS AND SIDEWALKS SLICK AND DANGEROUS.

&&

$$

BURKE
6 follow-up statements
946 
WWUS44 KOUN 312145
WSWOUN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
345 PM CST MON JAN 31 2011

OKZ008-012-013-018>020-024>026-029-030-011000-
/O.CAN.KOUN.WS.W.0001.110201T0000Z-110202T0000Z/
/O.NEW.KOUN.BZ.W.0001.110201T0400Z-110202T0000Z/
KAY-GARFIELD-NOBLE-KINGFISHER-LOGAN-PAYNE-CANADIAN-OKLAHOMA-
LINCOLN-CLEVELAND-POTTAWATOMIE-
INCLUDING THE CITIES OF...PONCA CITY...ENID...PERRY...
KINGFISHER...GUTHRIE...STILLWATER...YUKON...EL RENO...MUSTANG...
OKLAHOMA CITY...CHANDLER...NORMAN...MOORE...SHAWNEE
345 PM CST MON JAN 31 2011

...BLIZZARD WARNING IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST
TUESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST
TUESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

* TIMING: LIGHT WINTRY MIX BY MIDNIGHT...QUICKLY TURNING TO HEAVY
  SNOW AND BLOWING SNOW BY SUNRISE...PERSISTING THROUGH TUESDAY.

* MAIN IMPACT: MODERATE TO HEAVY SNOWFALL FROM AROUND 3 AM TO 3
  PM. WINDS GUSTING OVER 45 MPH ON TUESDAY...CREATING BLOWING
  SNOW...NEAR WHITEOUT CONDITIONS...AND EXTREME COLD.

* OTHER IMPACTS: WIND CHILL TEMPERATURES 5 TO 15 DEGREES BELOW
  ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* DO NOT TRAVEL! STAY INSIDE! STRONG WINDS AND BLINDING SNOW WILL
  MAKE TRAVEL NEARLY IMPOSSIBLE. THIS IS A LIFE THREATENING STORM.
  EVEN PEDESTRIANS IN FAMILIAR AREAS MAY BECOME DISORIENTED. 

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING HYPOTHERMIA
  CAN HAPPEN QUICKLY.

&&

$$

OKZ004-005-009-010-014-011000-
/O.EXT.KOUN.WS.W.0001.110201T0400Z-110202T0000Z/
/O.CON.KOUN.WC.W.0001.110202T0000Z-110202T1800Z/
HARPER-WOODS-ELLIS-WOODWARD-ROGER MILLS-
INCLUDING THE CITIES OF...BUFFALO...ALVA...ARNETT...WOODWARD...
CHEYENNE
345 PM CST MON JAN 31 2011

...WINTER STORM WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO
6 PM CST TUESDAY...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM TUESDAY TO NOON
CST WEDNESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 10 PM THIS EVENING
TO 6 PM CST TUESDAY. A WIND CHILL WARNING REMAINS IN EFFECT FROM
6 PM TUESDAY TO NOON CST WEDNESDAY. 

* TIMING: WINTER STORM TONIGHT AND TUESDAY. EXTREME COLD THEN 
  CONTINUING THROUGH WEDNESDAY MORNING. 

* MAIN IMPACTS: SNOWFALL 2-4 INCHES. STRONG AND GUSTY WINDS. 
  BLOWING SNOW AND LOW VISIBILITY. 

* OTHER IMPACTS: DANGEROUS WIND CHILL TEMPERATURES DROPPING 
  BELOW ZERO TONIGHT...AND FALLING TO 20 DEGREES BELOW ZERO FROM 
  TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR FAMILY
  IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS AND
  INFORMATION.

* STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO
  SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING
  HYPOTHERMIA CAN HAPPEN QUICKLY.

&&

$$

OKZ006-007-011-015>017-021>023-027-028-031>047-050-051-TXZ083>090-
011000-
/O.EXT.KOUN.WS.W.0001.110201T0400Z-110202T0000Z/
ALFALFA-GRANT-MAJOR-DEWEY-CUSTER-BLAINE-BECKHAM-WASHITA-CADDO-
GRADY-MCCLAIN-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-LOVE-MARSHALL-HARDEMAN-FOARD-WILBARGER-WICHITA-
KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...CHEROKEE...MEDFORD...FAIRVIEW...
TALOGA...WEATHERFORD...CLINTON...WATONGA...ELK CITY...SAYRE...
CORDELL...ANADARKO...CHICKASHA...PURCELL...SEMINOLE...
HOLDENVILLE...HOLLIS...MANGUM...HOBART...ALTUS...FREDERICK...
LAWTON...DUNCAN...PAULS VALLEY...SULPHUR...ADA...COALGATE...
WALTERS...WAURIKA...ARDMORE...TISHOMINGO...MARIETTA...MADILL...
QUANAH...CHILLICOTHE...CROWELL...VERNON...WICHITA FALLS...
MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...HOLLIDAY...
LAKESIDE CITY...HENRIETTA
345 PM CST MON JAN 31 2011

...WINTER STORM WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO
6 PM CST TUESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 10 PM THIS EVENING
TO 6 PM CST TUESDAY. 

* TIMING: LIGHT PRECIPITATION EARLY TONIGHT...THEN HEAVY WINTRY 
  PRECIPITATION LATE TONIGHT THROUGH TUESDAY AFTERNOON. 

* MAIN IMPACT: INITIALLY LIGHT FREEZING RAIN AND SLEET. FREEZING
  RAIN MORE SIGNIFICANT SOUTH OF A LAWTON TO SHAWNEE LINE... WHERE
  A TENTH TO QUARTER INCH GLAZE IS POSSIBLE BEFORE CHANGING TO
  SLEET AND SNOW. SNOWFALL HEAVY AT TIMES WITH ACCUMULATION OF 3
  TO 7 INCHES.

* OTHER IMPACTS: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS
  WIND CHILL TEMPERATURES WELL BELOW ZERO. THE STRONG WINDS WILL CAUSE
  BLOWING SNOW AND VERY POOR VISIBILITY...REGARDLESS OF HOW LITTLE
  SNOW FALLS. DISRUPTIONS OF COMMERCIAL POWER ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR FAMILY
  IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS AND
  INFORMATION.

* STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO
  SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING
  HYPOTHERMIA CAN HAPPEN QUICKLY.

&&

$$

OKZ048-052-011000-
/O.EXT.KOUN.WW.Y.0004.110201T0600Z-110202T0000Z/
ATOKA-BRYAN-
INCLUDING THE CITIES OF...ATOKA...DURANT
345 PM CST MON JAN 31 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM CST TUESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 PM CST TUESDAY. 

* TIMING: PERIODS OF FREEZING RAIN AND SLEET BEGINNING AFTER
  MIDNIGHT...CHANGING TO SNOW AFTER SUNRISE TUESDAY.

* MAIN IMPACT: UP TO ONE TENTH INCH OF GLAZE FROM FREEZING
  RAIN...FOLLOWED BY 1 TO 2 INCHES OF SLEET AND SNOW.

* OTHER IMPACTS: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS
  WIND CHILL TEMPERATURES NEAR ZERO TUESDAY. THE STRONG WINDS WILL
  ALSO CREATE BLOWING AND DRIFTING SNOW AND POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE CAREFUL IF YOU HAVE TO TRAVEL. EVEN SMALL AMOUNTS OF ICE AND
SNOW CAN MAKE ROADS AND SIDEWALKS SLICK AND DANGEROUS.

&&

$$

BURKE
262 
WWUS44 KOUN 011055
WSWOUN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
455 AM CST TUE FEB 1 2011

OKZ008-012-013-018>020-024>026-029-030-012145-
/O.CON.KOUN.BZ.W.0001.000000T0000Z-110202T0000Z/
KAY-GARFIELD-NOBLE-KINGFISHER-LOGAN-PAYNE-CANADIAN-OKLAHOMA-
LINCOLN-CLEVELAND-POTTAWATOMIE-
INCLUDING THE CITIES OF...PONCA CITY...ENID...PERRY...
KINGFISHER...GUTHRIE...STILLWATER...YUKON...EL RENO...MUSTANG...
OKLAHOMA CITY...CHANDLER...NORMAN...MOORE...SHAWNEE
455 AM CST TUE FEB 1 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* TIMING: MODERATE TO HEAVY SNOW WILL GRADUALLY TAPER TO SCATTERED
  SNOW SHOWERS AROUND NOON.

* MAIN IMPACT: WINDS GUSTING OVER 45 MPH...CREATING BLOWING
  SNOW...NEAR WHITEOUT CONDITIONS...AND EXTREME COLD. STORM TOTAL
  SNOWFALL 6 TO 10 INCHES.

* OTHER IMPACTS: WIND CHILL TEMPERATURES 5 TO 15 DEGREES BELOW 
  ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* DO NOT TRAVEL! STAY INSIDE! STRONG WINDS AND BLINDING SNOW 
  WILL MAKE TRAVEL NEARLY IMPOSSIBLE. THIS IS A LIFE THREATENING 
  STORM. EVEN PEDESTRIANS IN FAMILIAR AREAS MAY BECOME 
  DISORIENTED. 

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ004-005-009-010-014-012145-
/O.CON.KOUN.WS.W.0001.000000T0000Z-110202T0000Z/
/O.CON.KOUN.WC.W.0001.110202T0000Z-110202T1800Z/
HARPER-WOODS-ELLIS-WOODWARD-ROGER MILLS-
INCLUDING THE CITIES OF...BUFFALO...ALVA...ARNETT...WOODWARD...
CHEYENNE
455 AM CST TUE FEB 1 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON CST WEDNESDAY...

* TIMING: LIGHT TO MODERATE SNOW WILL GRADUALLY END DURING THE
  MORNING. EXTREME COLD THEN CONTINUING THROUGH WEDNESDAY
  MORNING.

* MAIN IMPACTS: SNOWFALL 2-4 INCHES. STRONG AND GUSTY WINDS. 
  BLOWING SNOW AND LOW VISIBILITY. 

* OTHER IMPACTS: DANGEROUS WIND CHILL TEMPERATURES DROPPING 
  BELOW ZERO TONIGHT...AND FALLING TO 20 DEGREES BELOW ZERO FROM 
  TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR 
  FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS 
  AND INFORMATION. 

* STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND 
  LEAVE NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE 
  THREATENING HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ006-007-011-015>017-021>023-027-028-031>047-050-051-TXZ083>090-
012145-
/O.CON.KOUN.WS.W.0001.000000T0000Z-110202T0000Z/
ALFALFA-GRANT-MAJOR-DEWEY-CUSTER-BLAINE-BECKHAM-WASHITA-CADDO-
GRADY-MCCLAIN-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-LOVE-MARSHALL-HARDEMAN-FOARD-WILBARGER-WICHITA-
KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...CHEROKEE...MEDFORD...FAIRVIEW...
TALOGA...WEATHERFORD...CLINTON...WATONGA...ELK CITY...SAYRE...
CORDELL...ANADARKO...CHICKASHA...PURCELL...SEMINOLE...
HOLDENVILLE...HOLLIS...MANGUM...HOBART...ALTUS...FREDERICK...
LAWTON...DUNCAN...PAULS VALLEY...SULPHUR...ADA...COALGATE...
WALTERS...WAURIKA...ARDMORE...TISHOMINGO...MARIETTA...MADILL...
QUANAH...CHILLICOTHE...CROWELL...VERNON...WICHITA FALLS...
MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...HOLLIDAY...
LAKESIDE CITY...HENRIETTA
455 AM CST TUE FEB 1 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* TIMING: SNOW SOME HEAVY WILL GRADUALLY TAPER TO SNOW SHOWERS
  DURING THE EARLY TO MID MORNING HOURS. 

* MAIN IMPACT: SNOWFALL HEAVY AT TIMES WITH ACCUMULATION OF 4 TO 8
  INCHES. HEAVIEST SNOWFALL WILL LIKELY OCCUR FROM PARTS OF
  WESTERN NORTH TEXAS INTO SOUTH CENTRAL AND SOUTHEAST OKLAHOMA.

* OTHER IMPACTS: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS 
  WIND CHILL TEMPERATURES WELL BELOW ZERO. THE STRONG WINDS WILL 
  CAUSE BLOWING SNOW AND VERY POOR VISIBILITY...REGARDLESS OF 
  HOW LITTLE SNOW FALLS. DISRUPTIONS OF COMMERCIAL POWER ARE 
  POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR 
  FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS 
  AND INFORMATION. 

* STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND 
  LEAVE NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE 
  THREATENING HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ048-052-012145-
/O.CON.KOUN.WW.Y.0004.000000T0000Z-110202T0000Z/
ATOKA-BRYAN-
INCLUDING THE CITIES OF...ATOKA...DURANT
455 AM CST TUE FEB 1 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* TIMING: PERIODS OF SLEET AND SNOW BECOMING ALL SNOW DURING THE
  EARLY MORNING. SNOW ENDING BY THE LATE MORNING HOURS. 

* MAIN IMPACT: UP TO ONE TENTH INCH OF GLAZE FROM FREEZING
  RAIN...FOLLOWED BY 2 TO 4 INCHES OF SLEET AND SNOW.

* OTHER IMPACTS: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS 
  WIND CHILL TEMPERATURES NEAR ZERO TUESDAY. THE STRONG WINDS 
  WILL ALSO CREATE BLOWING AND DRIFTING SNOW AND POOR 
  VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE CAREFUL IF YOU HAVE TO TRAVEL. EVEN SMALL AMOUNTS OF ICE AND
SNOW CAN MAKE ROADS AND SIDEWALKS SLICK AND DANGEROUS.

&&

$$
615 
WWUS44 KOUN 011721
WSWOUN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
1121 AM CST TUE FEB 1 2011

OKZ008-012-013-018>020-024>026-029-030-020000-
/O.CON.KOUN.BZ.W.0001.000000T0000Z-110202T0000Z/
KAY-GARFIELD-NOBLE-KINGFISHER-LOGAN-PAYNE-CANADIAN-OKLAHOMA-
LINCOLN-CLEVELAND-POTTAWATOMIE-
INCLUDING THE CITIES OF...PONCA CITY...ENID...PERRY...
KINGFISHER...GUTHRIE...STILLWATER...YUKON...EL RENO...MUSTANG...
OKLAHOMA CITY...CHANDLER...NORMAN...MOORE...SHAWNEE
1121 AM CST TUE FEB 1 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR PARTS OF NORTH CENTRAL AND CENTRAL OKLAHOMA.

* TIMING: OCCASIONAL BANDS OF MODERATE SNOW THROUGH MID-AFTERNOON.
  THE OVERALL SNOW COVERAGE WILL GRADUALLY DECREASE.

* MAIN IMPACT: WINDS GUSTING OVER 45 MPH...CREATING BLOWING
  SNOW...NEAR WHITEOUT CONDITIONS...AND EXTREME COLD.

* OTHER IMPACTS: WIND CHILL TEMPERATURES 10 TO 20 DEGREES BELOW
  ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* DO NOT TRAVEL! STAY INSIDE! STRONG WINDS AND BLINDING SNOW 
  WILL MAKE TRAVEL NEARLY IMPOSSIBLE. THIS IS A LIFE THREATENING 
  STORM. EVEN PEDESTRIANS IN FAMILIAR AREAS MAY BECOME 
  DISORIENTED. 

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ004-005-009-010-014-020130-
/O.CON.KOUN.WS.W.0001.000000T0000Z-110202T0000Z/
/O.CON.KOUN.WC.W.0001.110202T0000Z-110202T1800Z/
HARPER-WOODS-ELLIS-WOODWARD-ROGER MILLS-
INCLUDING THE CITIES OF...BUFFALO...ALVA...ARNETT...WOODWARD...
CHEYENNE
1121 AM CST TUE FEB 1 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON CST WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. A WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO NOON CST WEDNESDAY FOR PARTS OF NORTHWEST OKLAHOMA.

* TIMING: LIGHT SNOW OR SNOW FLURRIES WILL TAPER OFF BY MID-
  AFTERNOON. DANGEROUS WIND CHILLS WILL CONTINUE THIS AFTERNOON
  THROUGH WEDNESDAY MORNING.

* MAIN IMPACTS: DANGEROUS WIND CHILL TEMPERATURES 20 TO 25 DEGREES
  BELOW ZERO.

* OTHER IMPACTS: STRONG AND GUSTY WINDS. BLOWING SNOW AND LOW
  VISIBILITY WILL OCCUR EVEN AFTER THE SNOW STOPS FALLING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR 
  FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS 
  AND INFORMATION. 

* STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND 
  LEAVE NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE 
  THREATENING HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ006-007-011-015>017-021>023-027-028-031>047-050-051-TXZ083>090-
020000-
/O.CON.KOUN.WS.W.0001.000000T0000Z-110202T0000Z/
ALFALFA-GRANT-MAJOR-DEWEY-CUSTER-BLAINE-BECKHAM-WASHITA-CADDO-
GRADY-MCCLAIN-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-LOVE-MARSHALL-HARDEMAN-FOARD-WILBARGER-WICHITA-
KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...CHEROKEE...MEDFORD...FAIRVIEW...
TALOGA...WEATHERFORD...CLINTON...WATONGA...ELK CITY...SAYRE...
CORDELL...ANADARKO...CHICKASHA...PURCELL...SEMINOLE...
HOLDENVILLE...HOLLIS...MANGUM...HOBART...ALTUS...FREDERICK...
LAWTON...DUNCAN...PAULS VALLEY...SULPHUR...ADA...COALGATE...
WALTERS...WAURIKA...ARDMORE...TISHOMINGO...MARIETTA...MADILL...
QUANAH...CHILLICOTHE...CROWELL...VERNON...WICHITA FALLS...
MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...HOLLIDAY...
LAKESIDE CITY...HENRIETTA
1121 AM CST TUE FEB 1 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING FOR PARTS OF OKLAHOMA AND WESTERN NORTH TEXAS.

* TIMING: SNOW WILL TAPER OFF FROM WEST TO EAST THIS AFTERNOON.

* MAIN IMPACT: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS WIND
  CHILL TEMPERATURES WELL BELOW ZERO. THE STRONG WINDS WILL CAUSE
  BLOWING SNOW AND VERY POOR VISIBILITY...REGARDLESS OF HOW MUCH
  SNOW IS FALLING IF ANY. DISRUPTIONS OF COMMERCIAL POWER ARE
  POSSIBLE.

* OTHER IMPACTS: LIGHT SNOWFALL OR SNOW FLURRIES WILL AFFECT MOST
  OF THE AREA WITH OCCASIONAL POCKETS OF MODERATE SNOW POSSIBLE
  THROUGH MID-AFTERNOON MAINLY NEAR AND EAST OF INTERSTATE 35.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR 
  FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS 
  AND INFORMATION. 

* STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND 
  LEAVE NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE 
  THREATENING HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ048-052-020000-
/O.CON.KOUN.WW.Y.0004.000000T0000Z-110202T0000Z/
ATOKA-BRYAN-
INCLUDING THE CITIES OF...ATOKA...DURANT
1121 AM CST TUE FEB 1 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING FOR PARTS OF SOUTHEAST OKLAHOMA.

* TIMING: LIGHT SNOW OR SNOW FLURRIES WILL OCCUR THROUGH THE
  AFTERNOON HOURS.

* MAIN IMPACT: VERY STRONG NORTH WINDS WILL CREATE DANGEROUS WIND
  CHILL TEMPERATURES NEAR ZERO THIS AFTERNOON. THE STRONG WINDS
  WILL ALSO CREATE BLOWING AND DRIFTING SNOW AND POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE CAREFUL IF YOU HAVE TO TRAVEL. EVEN SMALL AMOUNTS OF ICE AND
SNOW CAN MAKE ROADS AND SIDEWALKS SLICK AND DANGEROUS.

&&

$$
571 
WWUS44 KOUN 012105
WSWOUN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
304 PM CST TUE FEB 1 2011

OKZ008-012-013-021100-
/O.CAN.KOUN.BZ.W.0001.000000T0000Z-110202T0000Z/
/O.NEW.KOUN.WC.Y.0002.110202T1500Z-110203T1800Z/
/O.EXB.KOUN.WC.W.0001.110201T2104Z-110202T1500Z/
KAY-GARFIELD-NOBLE-
INCLUDING THE CITIES OF...PONCA CITY...ENID...PERRY
304 PM CST TUE FEB 1 2011

...WIND CHILL WARNING IN EFFECT UNTIL 9 AM CST WEDNESDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 9 AM WEDNESDAY TO NOON CST
THURSDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 9 AM CST WEDNESDAY. A WIND
CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND CHILL ADVISORY IS
IN EFFECT FROM 9 AM WEDNESDAY TO NOON CST THURSDAY. THE BLIZZARD
WARNING HAS BEEN CANCELLED. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL AROUND 20 BELOW ZERO THROUGH WEDNESDAY
  MORNING...THEN BETWEEN 5 AND 15 BELOW THROUGH THURSDAY MORNING.

* OTHER IMPACTS: AREAS OF BLOWING SNOW TONIGHT...PATCHY BLOWING
  SNOW WEDNESDAY. OVERNIGHT LOWS CAPABLE OF BURSTING PIPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* STAY INDOORS AS MUCH AS POSSIBLE. SNOW PACKED ROADS AND AREAS OF
  BLOWING SNOW WILL MAKE TRAVEL VERY DIFFICULT AND HAZARDOUS.

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ018>020-024>026-029-030-021100-
/O.CAN.KOUN.BZ.W.0001.000000T0000Z-110202T0000Z/
/O.NEW.KOUN.WC.Y.0002.110201T2104Z-110203T1800Z/
KINGFISHER-LOGAN-PAYNE-CANADIAN-OKLAHOMA-LINCOLN-CLEVELAND-
POTTAWATOMIE-
INCLUDING THE CITIES OF...KINGFISHER...GUTHRIE...STILLWATER...
YUKON...EL RENO...MUSTANG...OKLAHOMA CITY...CHANDLER...NORMAN...
MOORE...SHAWNEE
304 PM CST TUE FEB 1 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST THURSDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST THURSDAY. THE
BLIZZARD WARNING HAS BEEN CANCELLED. 


* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING. 

* MAIN IMPACT: WIND CHILL CONSISTENTLY BETWEEN 5 AND 15 BELOW ZERO
  FOR AN EXTENDED PERIOD OF TIME...THROUGH THURSDAY MORNING.

* OTHER IMPACTS: AREAS OF BLOWING SNOW TONIGHT...PATCHY BLOWING
  SNOW WEDNESDAY. OVERNIGHT LOWS CAPABLE OF BURSTING PIPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* STAY INDOORS AS MUCH AS POSSIBLE. SNOW PACKED ROADS AND AREAS OF
  BLOWING SNOW WILL MAKE TRAVEL VERY DIFFICULT AND HAZARDOUS.

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ006-007-011-015-016-021-021100-
/O.CAN.KOUN.WS.W.0001.000000T0000Z-110202T0000Z/
/O.NEW.KOUN.WC.Y.0002.110202T1500Z-110203T1800Z/
/O.EXB.KOUN.WC.W.0001.110201T2104Z-110202T1500Z/
ALFALFA-GRANT-MAJOR-DEWEY-CUSTER-BECKHAM-
INCLUDING THE CITIES OF...CHEROKEE...MEDFORD...FAIRVIEW...
TALOGA...WEATHERFORD...CLINTON...ELK CITY...SAYRE
304 PM CST TUE FEB 1 2011

...WIND CHILL WARNING IN EFFECT UNTIL 9 AM CST WEDNESDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 9 AM WEDNESDAY TO NOON CST
THURSDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 9 AM CST WEDNESDAY. A WIND
CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND CHILL ADVISORY IS
IN EFFECT FROM 9 AM WEDNESDAY TO NOON CST THURSDAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL AROUND 20 BELOW ZERO THROUGH WEDNESDAY
  MORNING...THEN BETWEEN 5 AND 15 BELOW THROUGH THURSDAY MORNING.

* OTHER IMPACTS: AREAS OF BLOWING SNOW TONIGHT...PATCHY BLOWING
  SNOW WEDNESDAY. OVERNIGHT LOWS CAPABLE OF BURSTING PIPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL. BE SURE YOU CAN TAKE CARE OF YOURSELF AND YOUR 
  FAMILY IF YOU LOSE ELECTRICAL POWER. MONITOR WEATHER FORECASTS 
  AND INFORMATION. 

* STAY INSIDE. IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND 
  LEAVE NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE 
  THREATENING HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ004-005-009-010-014-021100-
/O.CAN.KOUN.WS.W.0001.000000T0000Z-110202T0000Z/
/O.NEW.KOUN.WC.Y.0002.110202T1500Z-110203T1800Z/
/O.EXT.KOUN.WC.W.0001.110201T2104Z-110202T1500Z/
HARPER-WOODS-ELLIS-WOODWARD-ROGER MILLS-
INCLUDING THE CITIES OF...BUFFALO...ALVA...ARNETT...WOODWARD...
CHEYENNE
304 PM CST TUE FEB 1 2011

...WIND CHILL WARNING NOW IN EFFECT UNTIL 9 AM CST WEDNESDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 9 AM WEDNESDAY TO NOON CST
THURSDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 9 AM WEDNESDAY TO NOON CST
THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. THE WIND
CHILL WARNING IS NOW IN EFFECT UNTIL 9 AM CST WEDNESDAY. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL AROUND 20 BELOW ZERO THROUGH WEDNESDAY
  MORNING...THEN BETWEEN 5 AND 15 BELOW THROUGH THURSDAY MORNING.

* OTHER IMPACTS: AREAS OF BLOWING SNOW TONIGHT...PATCHY BLOWING
  SNOW WEDNESDAY. OVERNIGHT LOWS CAPABLE OF BURSTING PIPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* STAY INDOORS AS MUCH AS POSSIBLE. SNOW PACKED ROADS AND AREAS OF
  BLOWING SNOW WILL MAKE TRAVEL VERY DIFFICULT AND HAZARDOUS.

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING HYPOTHERMIA
  CAN HAPPEN QUICKLY.

&&

$$

OKZ017-022-023-027-028-031>047-050-051-TXZ083>090-021100-
/O.CAN.KOUN.WS.W.0001.000000T0000Z-110202T0000Z/
/O.NEW.KOUN.WC.Y.0002.110201T2104Z-110203T1800Z/
BLAINE-WASHITA-CADDO-GRADY-MCCLAIN-SEMINOLE-HUGHES-HARMON-GREER-
KIOWA-JACKSON-TILLMAN-COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-
COAL-COTTON-JEFFERSON-CARTER-JOHNSTON-LOVE-MARSHALL-HARDEMAN-
FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...WATONGA...CORDELL...ANADARKO...
CHICKASHA...PURCELL...SEMINOLE...HOLDENVILLE...HOLLIS...MANGUM...
HOBART...ALTUS...FREDERICK...LAWTON...DUNCAN...PAULS VALLEY...
SULPHUR...ADA...COALGATE...WALTERS...WAURIKA...ARDMORE...
TISHOMINGO...MARIETTA...MADILL...QUANAH...CHILLICOTHE...CROWELL...
VERNON...WICHITA FALLS...MUNDAY...KNOX CITY...SEYMOUR...
ARCHER CITY...HOLLIDAY...LAKESIDE CITY...HENRIETTA
304 PM CST TUE FEB 1 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST THURSDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST THURSDAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL CONSISTENTLY BETWEEN 5 AND 15 BELOW ZERO
  FOR AN EXTENDED PERIOD OF TIME...THROUGH THURSDAY MORNING.

* OTHER IMPACTS: AREAS OF BLOWING SNOW TONIGHT...PATCHY BLOWING
  SNOW WEDNESDAY. OVERNIGHT LOWS CAPABLE OF BURSTING PIPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* STAY INDOORS AS MUCH AS POSSIBLE. SNOW PACKED ROADS AND AREAS OF
  BLOWING SNOW WILL MAKE TRAVEL VERY DIFFICULT AND HAZARDOUS.

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

OKZ048-052-021100-
/O.CAN.KOUN.WW.Y.0004.000000T0000Z-110202T0000Z/
/O.NEW.KOUN.WC.Y.0002.110201T2104Z-110203T1800Z/
ATOKA-BRYAN-
INCLUDING THE CITIES OF...ATOKA...DURANT
304 PM CST TUE FEB 1 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST THURSDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST THURSDAY. THE WINTER
WEATHER ADVISORY HAS BEEN CANCELLED. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL CONSISTENTLY BETWEEN 5 AND 15 BELOW
  ZERO FOR AN EXTENDED PERIOD OF TIME...THROUGH THURSDAY MORNING.

* OTHER IMPACTS: AREAS OF BLOWING SNOW TONIGHT...PATCHY BLOWING
  SNOW WEDNESDAY. OVERNIGHT LOWS CAPABLE OF BURSTING PIPES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* STAY INDOORS AS MUCH AS POSSIBLE. SNOW PACKED ROADS AND AREAS OF
  BLOWING SNOW WILL MAKE TRAVEL VERY DIFFICULT AND HAZARDOUS.

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$
434 
WWUS44 KOUN 021024
WSWOUN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
424 AM CST WED FEB 2 2011

OKZ004>016-021-021800-
/O.CON.KOUN.WC.W.0001.000000T0000Z-110202T1500Z/
/O.CON.KOUN.WC.Y.0002.110202T1500Z-110203T1800Z/
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-
NOBLE-ROGER MILLS-DEWEY-CUSTER-BECKHAM-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...FAIRVIEW...ENID...PERRY...
CHEYENNE...TALOGA...WEATHERFORD...CLINTON...ELK CITY...SAYRE
424 AM CST WED FEB 2 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO NOON CST THURSDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO NOON CST THURSDAY. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL AROUND 20 BELOW ZERO THIS MORNING...
  THEN BETWEEN 5 AND 15 BELOW THROUGH THURSDAY MORNING.

* OTHER IMPACTS: PATCHES OF DRIFTING SNOW TODAY. EXTENDED PERIOD
  OF SUBFREEZING TEMPERATURES COULD CAUSE SOME PIPES TO BURST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL IF POSSIBLE. IF YOU HAVE TO BE OUTSIDE DRESS IN
  LAYERS AND LEAVE NO SKIN EXPOSED TO THE WIND. FROSTBITE AND LIFE
  THREATENING HYPOTHERMIA CAN HAPPEN QUICKLY. MONITOR WEATHER
  FORECASTS AND INFORMATION.

&&

$$

OKZ017>020-022>048-050>052-TXZ083>090-021800-
/O.CON.KOUN.WC.Y.0002.000000T0000Z-110203T1800Z/
BLAINE-KINGFISHER-LOGAN-PAYNE-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-
INCLUDING THE CITIES OF...WATONGA...KINGFISHER...GUTHRIE...
STILLWATER...CORDELL...ANADARKO...YUKON...EL RENO...MUSTANG...
OKLAHOMA CITY...CHANDLER...CHICKASHA...PURCELL...NORMAN...MOORE...
SHAWNEE...SEMINOLE...HOLDENVILLE...HOLLIS...MANGUM...HOBART...
ALTUS...FREDERICK...LAWTON...DUNCAN...PAULS VALLEY...SULPHUR...
ADA...COALGATE...WALTERS...WAURIKA...ARDMORE...TISHOMINGO...
ATOKA...MARIETTA...MADILL...DURANT...QUANAH...CHILLICOTHE...
CROWELL...VERNON...WICHITA FALLS...MUNDAY...KNOX CITY...SEYMOUR...
ARCHER CITY...HOLLIDAY...LAKESIDE CITY...HENRIETTA
424 AM CST WED FEB 2 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL CONSISTENTLY BETWEEN 5 AND 15 BELOW ZERO
  THROUGH THURSDAY MORNING. EXTENDED PERIOD OF SUBFREEZING
  TEMPERATURES COULD CAUSE SOME PIPES TO BURST. 

* OTHER IMPACTS: PATCHES OF DRIFTING SNOW TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* STAY INDOORS AS MUCH AS POSSIBLE. SNOW PACKED ROADS WILL MAKE
  TRAVEL DIFFICULT AND HAZARDOUS.

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$
496 
WWUS44 KOUN 021506
WSWOUN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
906 AM CST WED FEB 2 2011

OKZ004>016-021-022315-
/O.EXP.KOUN.WC.W.0001.000000T0000Z-110202T1500Z/
/O.CON.KOUN.WC.Y.0002.000000T0000Z-110203T1800Z/
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-
NOBLE-ROGER MILLS-DEWEY-CUSTER-BECKHAM-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...FAIRVIEW...ENID...PERRY...
CHEYENNE...TALOGA...WEATHERFORD...CLINTON...ELK CITY...SAYRE
906 AM CST WED FEB 2 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...
...WIND CHILL WARNING HAS EXPIRED...

THE WIND CHILL WARNING IS NO LONGER IN EFFECT. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY. 

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILLS WILL RANGE FROM BETWEEN 5 TO AROUND 15
  BELOW THROUGH THURSDAY MORNING.

* OTHER IMPACTS: PATCHES OF DRIFTING SNOW TODAY. EXTENDED PERIOD 
  OF SUBFREEZING TEMPERATURES COULD CAUSE SOME PIPES TO BURST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* AVOID TRAVEL IF POSSIBLE. IF YOU HAVE TO BE OUTSIDE DRESS IN 
  LAYERS AND LEAVE NO SKIN EXPOSED TO THE WIND. FROSTBITE AND 
  LIFE THREATENING HYPOTHERMIA CAN HAPPEN QUICKLY. MONITOR 
  WEATHER FORECASTS AND INFORMATION. 

&&

$$

OKZ017>020-022>048-050>052-TXZ083>090-022315-
/O.CON.KOUN.WC.Y.0002.000000T0000Z-110203T1800Z/
BLAINE-KINGFISHER-LOGAN-PAYNE-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-
INCLUDING THE CITIES OF...WATONGA...KINGFISHER...GUTHRIE...
STILLWATER...CORDELL...ANADARKO...YUKON...EL RENO...MUSTANG...
OKLAHOMA CITY...CHANDLER...CHICKASHA...PURCELL...NORMAN...MOORE...
SHAWNEE...SEMINOLE...HOLDENVILLE...HOLLIS...MANGUM...HOBART...
ALTUS...FREDERICK...LAWTON...DUNCAN...PAULS VALLEY...SULPHUR...
ADA...COALGATE...WALTERS...WAURIKA...ARDMORE...TISHOMINGO...
ATOKA...MARIETTA...MADILL...DURANT...QUANAH...CHILLICOTHE...
CROWELL...VERNON...WICHITA FALLS...MUNDAY...KNOX CITY...SEYMOUR...
ARCHER CITY...HOLLIDAY...LAKESIDE CITY...HENRIETTA
906 AM CST WED FEB 2 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY
ACROSS MUCH OF OKLAHOMA AND ALL OF WESTERN NORTH TEXAS.

* TIMING: DANGEROUSLY COLD THROUGH THURSDAY MORNING.

* MAIN IMPACT: WIND CHILL CONSISTENTLY BETWEEN 5 AND 15 BELOW 
  ZERO THROUGH THURSDAY MORNING. EXTENDED PERIOD OF SUBFREEZING 
  TEMPERATURES COULD CAUSE SOME PIPES TO BURST. 

* OTHER IMPACTS: PATCHES OF DRIFTING SNOW TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* STAY INDOORS AS MUCH AS POSSIBLE. SNOW PACKED ROADS WILL MAKE 
  TRAVEL DIFFICULT AND HAZARDOUS. 

* IF YOU HAVE TO BE OUTSIDE DRESS IN LAYERS AND LEAVE NO SKIN 
  EXPOSED TO THE WIND. FROSTBITE AND LIFE THREATENING 
  HYPOTHERMIA CAN HAPPEN QUICKLY. 

&&

$$

What forecasters said that day

The local office's own words before this wind chill 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 wind chill warning went out at Jan 31, 11:39 AM CST, 25 minutes earlier.

Area forecast discussion, Jan 31, 11:39 AM CST, 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
1139 AM CST MON JAN 31 2011

.AVIATION...
GENERALLY MVFR CONDITIONS WILL PREVAIL THROUGH THE AFTERNOON.
BIG CHANGES ARE ON THE WAY AS WE ARE CONTINUING TO WATCH A
DEVELOPING WINTER STORM. THE SIGNIFICANT WINTER STORM WILL BEGIN TO
AFFECT MUCH OF THE REGION LATE THIS EVENING INTO A GOOD PORTION OF
TOMORROW. A VARIETY OF WINTER WEATHER WILL AFFECT ALL SITES...
BEFORE SWITCHING OVER TO ALL SNOW BY 0112Z. IFR CONDITIONS WILL BE
THE RULE AS VISIBILITIES WILL FALL BELOW ONE MILE AT TIMES WITH
THE STRONG NORTH WINDS AND HEAVIER SNOWFALL. ALTHOUGH NOT INCLUDED
IN THIS FORECAST...IT IS NOT OUT OF THE QUESTION TO HAVE A PERIOD
OF LIFR CONDITIONS FROM KLAW...NORTHEAST THROUGH KOUN AND KOKC...
AND NORTH TO KPNC AFTER SUNRISE TOMORROW MORNING. THE STORM SHOULD
BEGIN TO EXIT TOWARD THE END OF THE TAF PERIOD... ALTHOUGH LIGHT
SNOW... AND CONTINUED BLOWING SNOW WILL CONTINUE MOST AREAS.

&&

.PREV DISCUSSION... /ISSUED 547 AM CST MON JAN 31 2011/

AVIATION...
EXCEPT FOR SOME BREAKS IN THE CLOUD COVER TODAY NEAR AND SOUTH OF
THE RED RIVER... GENERALLY MVFR CONDITIONS WILL PREVAIL INTO THE
EVENING HOURS. OCCASIONAL IFR CEILINGS AND REDUCED VISIBILITIES IN
FOG WILL OCCUR ACROSS NW OK THIS MORNING. A DEVELOPING WINTER
STORM WILL SPREAD A WINTRY MIX OF PRECIPITATION ACROSS MUCH OF THE
REGION... BEGINNING IN NW OK THIS EVENING... AND SPREADING OVER ALL
TERMINALS DURING THE NIGHT.

PREV DISCUSSION... /ISSUED 412 AM CST MON JAN 31 2011/

DISCUSSION...
MAIN FOCUS CONTINUES TO BE ON DEVELOPING WINTER STORM THAT WILL
AFFECT THE AREA TONIGHT AND TUESDAY. UNTIL THEN... MOSTLY CLOUDY
AND COOL CONDITIONS WILL PREVAIL TODAY WITH SOME PATCHES OF VERY LIGHT
DRIZZLE/FREEZING DRIZZLE POSSIBLE ACROSS NORTHERN OKLAHOMA. BY
TONIGHT... AN UPPER LEVEL STORM SYSTEM WILL MOVE FROM THE SW US
AND INTO THE SOUTHERN PLAINS. AT THE SAME TIME... A STRONG HIGH
PRESSURE RIDGE WILL BUILD SOUTHWARD THROUGH THE PLAINS BRINGING
MUCH COLDER TEMPERATURES TO THE REGION. THE PAST FEW MODEL RUNS
CONTINUE TO SHOW PRETTY GOOD CONSISTENCY REGARDING THE LOCATION
AND AMOUNTS OF THE HEAVIER SNOWFALL. WE ARE STILL LOOKING FOR THE
HIGHEST AMOUNTS TO BE ACROSS CENTRAL AND NORTH CENTRAL OK WHERE
4-8 INCHES ARE EXPECTED... WITH ISOLATED HIGHER TOTALS POSSIBLE.
HOWEVER... WHILE WE HAVE NOTED THAT THE LATEST 06Z NAM DEVELOPS A
RATHER SHARP SNOWFALL GRADIENT GENERALLY NW OF I-44 IN CENTRAL
OK... WE WILL SEE IF THAT TREND PERSISTS IN OTHER MODELS AND LATER
RUNS.

WE EXPECT FREEZING/FROZEN PRECIPITATION TO DEVELOP THIS EVENING
AND INCREASE THROUGH THE NIGHT. AS THE COLD AIR DEEPENS... THE
MIXED PRECIPITATION WILL CHANGE OVER TO SNOW FROM NW TO SE TONIGHT
AND INTO EARLY TUESDAY. THE SOUTHEAST COULD SEE THE MOST ICE WITH
SOME FREEZING RAIN AND SLEET. THAT AREA WILL SHOULD ALSO HAVE THE
HIGHEST QPF AMOUNTS... BUT TIMING OF THE PHASE-CHANGES WILL BE
SOMEWHAT PROBLEMATIC. MEANWHILE... THE PRESENCE OF MID-LEVEL
CONVECTIVE INSTABILITY SUGGESTS THAT A FEW T-STORMS WILL ALSO BE
POSSIBLE OVER THE SOUTHERN HALF OF OK AND N-TX TONIGHT.

THE PRECIPITATION SHOULD DECREASE IN INTENSITY BY MIDDAY
TUESDAY... ALTHOUGH LIGHT SNOW COULD PERSIST THROUGH EARLY
EVENING. THE OTHER SIGNIFICANT ISSUE WILL BE THE STRONG WINDS AND
VERY COLD TEMPERATURES POURING INTO THE REGION TONIGHT AND
TUESDAY. NOT ONLY COULD THE WINTRY PRECIPITATION MAKE TRAVEL
HAZARDOUS... BUT DANGEROUS WIND CHILLS WILL ALSO BE A HAZARD FOR
ANYONE CAUGHT OUT IN THE WEATHER.

ONCE THE THE VERY COLD TEMPERATURES MOVE IN... WITH LOWS IN THE
SINGLE DIGITS AND EVEN FALLING BELOW ZERO IN PARTS OF NORTHERN
OK... MOST LOCATIONS WILL LIKELY NOT GET ABOVE FREEZING UNTIL
FRIDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  41  14  16   5 /  10 100 100  20
HOBART OK         38  11  15   2 /  10  90  70   0
WICHITA FALLS TX  50  15  22   8 /  10 100  70   0
GAGE OK           33   8  12  -3 /  10  70  60  10
PONCA CITY OK     38  14  18   1 /  10 100 100  20
DURANT OK         51  29  29  12 /  20 100 100  20

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...WINTER STORM WARNING FROM 6 PM THIS EVENING TO 6 PM CST TUESDAY
     FOR OKZ006>008-011>013-015>020-022>032-035-038>042-046.

     WINTER WEATHER ADVISORY FROM 6 PM THIS EVENING TO 6 PM CST
     TUESDAY FOR OKZ004-005-009-010-014-021-033-034-036-037-
     043>045-047-048-050>052.

     WIND CHILL WATCH FROM 6 PM CST THIS EVENING THROUGH WEDNESDAY
     MORNING FOR OKZ004-005-009-010.

TX...WINTER WEATHER ADVISORY FROM 6 PM THIS EVENING TO 6 PM CST
     TUESDAY FOR TXZ083>090.

&&

TY/24/22
Hazardous weather outlook, Jan 31, 12:00 PM CST, 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1200 PM CST MON JAN 31 2011

OKZ004>048-050>052-TXZ083>090-011000-
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-
1200 PM CST MON JAN 31 2011

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THUNDERSTORM OUTLOOK...
ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS SOUTHERN OKLAHOMA AND
NORTHERN TEXAS LATE TONIGHT. SEVERE STORMS ARE NOT EXPECTED.

DISCUSSION...
A STRONG STORM SYSTEM WILL APPROACH THE SOUTHERN PLAINS FROM THE
WEST THROUGH TONIGHT. PRECIPITATION IS EXPECTED TO START IN THE FORM
OF RAIN ACROSS SOUTHERN OKLAHOMA AND NORTHERN TEXAS THIS EVENING AND
CHANGE TO FREEZING RAIN AND SLEET... AND THEN SNOW... BY MORNING.
ELEVATED THUNDERSTORMS MAY DEVELOP TONIGHT WITH SOME OF THE
PRECIPITATION... ESPECIALLY ACROSS SOUTHEAST OKLAHOMA.

PROBABILITY TABLE...
VALID THROUGH 700 AM CST TUESDAY FEB 1.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...30 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...10 PERCENT

OTHER HAZARDOUS WEATHER...
SNOW...SLEET AND FREEZING RAIN WILL BEGIN TO FALL THIS EVENING AND
OVERNIGHT. HEAVY SNOW AND BLIZZARD CONDITIONS MAY EXIST IN SOME
AREAS BY DAYBREAK TUESDAY MORNING. PLEASE SEE THE LATEST WINTER
STORM WARNINGS AND ADVISORIES FOR DETAILS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

THUNDERSTORM OUTLOOK...
THUNDER WILL BE POSSIBLE WITH THE SNOW AND SLEET TUESDAY MORNING.
OTHERWISE THUNDERSTORMS ARE NOT EXPECTED THROUGH SUNDAY.

OTHER HAZARDOUS WEATHER...
A MAJOR WINTER STORM WILL CONTINUE TO IMPACT THE AREA ON TUESDAY WITH
THE COMBINATION OF VERY COLD TEMPERATURES... STRONG WINDS... AND
SNOW. BITTER COLD WILL PERSIST WELL INTO THE LATTER PART OF THE
WEEK. PLEASE REFER TO THE LATEST WINTER STORM WARNINGS AND
ADVISORIES FOR DETAILS.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 5 AM
TUESDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 4:17 AM CSTWinter Weather AdvisoryOUNAtoka, Beckham, Bryan, Coal, Cotton, Ellis and 12 more35 hr
Jan 31, 3:45 PM CSTBlizzard WarningOUNCanadian, Cleveland, Garfield, Kay, Kingfisher, Lincoln and 5 more23 hr

Nearby

Wind Chill Warnings in Oklahoma, 2011Every wind chill 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.