Alert archive / Oklahoma / Blizzard Warnings in 2011

Blizzard Warning 1, NWS Norman, OK

January 31, 201111 counties in Oklahoma

NWS Norman, OK issued this blizzard warning at Jan 31, 2011, 3:45 PM CST for 11 counties in Oklahoma. It took effect at Jan 31, 2011, 10:00 PM CST. It was in force for 17 hr. 22 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 31, 2011, 3:45 PM CST (21:45 UTC)
In effect from
Jan 31, 2011, 10:00 PM CST
Expired
Feb 1, 2011, 3:04 PM CST
In force
17 hr
Issued by
NWS Norman, OK

Counties Canadian County, OK, Cleveland County, OK, Garfield County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK

The radar

The Norman radar (KTLX), 62 km from the middle of the area, began a volume at 21:44 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.

What was reported inside it

TimeReportWhereRemark
Feb 1, 2:59 AM CSTHEAVY SNOW 0Pink, OKESTIMATED 2 TO 3 INCHES OF SNOW ONE HOUR COMBINED WITH A COUPLE INCHES OF SLEET.
Feb 1, 3:00 AM CSTSNOW 2Will Rogers Airport, OK
Feb 1, 6:00 AM CSTSNOW 6Will Rogers Airport, OK2 INCHES IN THE PAST ONE HOUR.
Feb 1, 6:10 AM CSTSNOW 3Ponca City, OK3 INCHES IN 2 HOURS.
Feb 1, 6:15 AM CSTSNOW 2Enid, OK
Feb 1, 6:15 AM CSTSNOW 3Asher, OK2 TO 3 INCHES OF SNOW ON TOP OF 1 TO 2 INCHES OF SLEET. CITY STREETS ALMOST IMPASSIBLE DUE TO DRIFTING. MODERATE SNOW CONTINUING.
Feb 1, 6:30 AM CSTHEAVY SNOW 5Norman, OK1 TO 2 FOOT DRIFTS.
Feb 1, 6:57 AM CSTHEAVY SNOW 7Will Rogers Airport, OKHEAVY SNOW AND BLOWING SNOW CONTINUING.
Feb 1, 7:15 AM CSTSNOW 2.5Norman, OKNORTH NORMAN.
Feb 1, 7:15 AM CSTSNOW 4Enid, OK1 TO 3 FOOT DRIFTS.
Feb 1, 8:05 AM CSTSNOW 6.7Ponca City, OK
Feb 1, 8:05 AM CSTSNOW 8Nw Etowah, OK
Feb 1, 8:19 AM CSTSNOW 8Braman, OK3 TO 4 FOOT DRIFTS.
Feb 1, 9:32 AM CSTSNOW 8Yukon, OK
Feb 1, 9:36 AM CSTSNOW 4Mulhall, OK
Feb 1, 10:31 AM CSTBLIZZARDPerkins, OK6-8 INCHES OF SNOW WITH LOCAL AMOUNTS AROUND 10 INCHES. WHITEOUT CONDITIONS PRESENT.
Feb 1, 11:55 AM CSTHEAVY SNOW 54 Ssw Enid, OKOBSERVED AT VANCE AFB.
Feb 1, 12:30 PM CSTHEAVY SNOW 65 S Guthrie, OK
Feb 1, 12:30 PM CSTHEAVY SNOW 93 Nw Oklahoma City, OKDRIFTS TO ABOUT 2 FEET. 30TH AND VILLA.
Feb 1, 1:00 PM CSTHEAVY SNOW 12Shawnee, OKMORE THAN 14 INCHES E SIDES OF SHAWNEE
Feb 1, 2:13 PM CSTHEAVY SNOW 82 S Norman, OKSOUTH-CENTRAL NORMAN.
Feb 1, 2:30 PM CSTHEAVY SNOW 7Okarche, OK7.1 INCHES MIDNIGHT TO 2PM. DRIFTS 3 TO 5 FEET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.8 hours before the alert went out and 74 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, Norman, 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2011-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
910 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
141 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.

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
3 follow-up statements
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. 

&&

$$

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, 12:04 PM CSTWind Chill WarningOUNAlfalfa, Beckham, Custer, Dewey, Ellis, Garfield and 8 more45 hr

Nearby

Blizzard Warnings in Oklahoma, 2011Every blizzard 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.