Alert archive / Oklahoma / Winter Storm Warnings in 2021

Winter Storm Warning 2, NWS Norman, OK

February 15, 20215 counties in Texas; 47 counties in Oklahoma

NWS Norman, OK issued this winter storm warning at Feb 15, 2021, 3:02 PM CST for 5 counties in Texas; 47 counties in Oklahoma. It took effect at Feb 16, 2021, 12:00 PM CST. It was in force for 15 hr. 28 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
Feb 15, 2021, 3:02 PM CST (21:02 UTC)
In effect from
Feb 16, 2021, 12:00 PM CST
Expired
Feb 17, 2021, 3:19 AM CST
In force
15 hr
Issued by
NWS Norman, OK
All 52 counties

Alfalfa County, OK, Atoka County, OK, Beckham County, OK, Blaine County, OK, Bryan County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Clay County, TX, Hardeman County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 70 km from the middle of the area, began a volume at 20:59 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 16, 7:45 PM CSTSNOW 2.8Meers, OK
Feb 16, 7:45 PM CSTSNOW 3Frederick, OK
Feb 16, 7:50 PM CSTSNOW 1.53 Ese Valley Brook, OK
Feb 16, 8:00 PM CSTSNOW 1.52 E Norman, OK
Feb 16, 8:10 PM CSTSNOW 1Durant, OK
Feb 16, 8:10 PM CSTHEAVY SNOW 41 S Vernon, TX
Feb 16, 8:40 PM CSTSNOW 2.5Geronimo, OK
Feb 16, 9:00 PM CSTSNOW 3Quanah, TX
Feb 16, 9:15 PM CSTSNOW 2.55 Se Newcastle, OK
Feb 16, 9:20 PM CSTSNOW 2.54 Se Norman, OK
Feb 16, 9:25 PM CSTSNOW 3Elgin, OK
Feb 16, 9:30 PM CSTSNOW 3Moore, OK
Feb 16, 9:30 PM CSTHEAVY SNOW 5.5Wichita Falls, TX
Feb 16, 10:00 PM CSTSNOW 34 Ne Ardmore, OK
Feb 16, 10:00 PM CSTSNOW 34 Nne Norman, OK
Feb 16, 10:00 PM CSTSNOW 3Pauls Valley, OK
Feb 16, 10:30 PM CSTSNOW 2.83 Sse Norman, OK
Feb 16, 10:35 PM CSTSNOW 3Ardmore, OK
Feb 16, 11:00 PM CSTSNOW 2.53 Nw Oklahoma City, OKTWITTER.
Feb 16, 11:00 PM CSTSNOW 3Oklahoma City, OKTWITTER.
Feb 16, 11:00 PM CSTSNOW 3.2Stratford, OKTWITTER.
Feb 16, 11:00 PM CSTHEAVY SNOW 63 Sw Wichita Falls, TX
Feb 16, 11:30 PM CSTHEAVY SNOW 6Ada, OKTWITTER.
Feb 17, 12:00 AM CSTSNOW 24 Nnw Apache, OKTWITTER.
Feb 17, 12:00 AM CSTSNOW 26.7 Nw Oklahoma City, OK
Feb 17, 12:00 AM CSTHEAVY SNOW 4.1Lawton, OK
Feb 17, 12:00 AM CSTHEAVY SNOW 6.61 N Sheppard Afb, TX
Feb 17, 12:25 AM CSTHEAVY SNOW 7.51 W Vernon, TX

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

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.0 hours before the alert went out and 265 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, Fort Worth, TX at 12:00Z on 2021-02-15Temperature 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, Fort Worth, TX at 12:00Z on 2021-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.1939587897Sfc1 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
797 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

541 
WWUS44 KOUN 152102
WSWOUN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Norman OK
302 PM CST Mon Feb 15 2021

...Wind Chill Warning through Tuesday Morning and Winter Storm
Warning and Winter Weather Advisory Tuesday and Wednesday...

OKZ007-008-011>048-050>052-TXZ083-085-086-089-090-161200-
/O.UPG.KOUN.WS.A.0003.210216T1800Z-210218T0600Z/
/O.NEW.KOUN.WS.W.0002.210216T1800Z-210218T0000Z/
/O.CON.KOUN.WC.W.0001.000000T0000Z-210216T1800Z/
Grant-Kay-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-Wilbarger-Wichita-Archer-Clay-
Including the cities of Medford, Pond Creek, Lamont, Wakita, 
Ponca City, Blackwell, Fairview, Enid, Perry, Cheyenne, Hammon, 
Seiling, Vici, Taloga, Leedey, Weatherford, Clinton, Watonga, 
Geary, Okeene, Kingfisher, Hennessey, Okarche, Guthrie, 
Stillwater, Elk City, Sayre, Cordell, Burns Flat, Sentinel, 
Anadarko, Hinton, Yukon, Concho, El Reno, Mustang, Oklahoma City,
Chandler, Stroud, Prague, Meeker, Davenport, Wellston, Chickasha,
Tuttle, Purcell, Newcastle, Blanchard, Norman, Moore, Shawnee, 
Seminole, Wewoka, Holdenville, Wetumka, Hollis, Mangum, Granite, 
Hobart, Snyder, Altus, Frederick, Lawton, Duncan, Pauls Valley, 
Lindsay, Wynnewood, Sulphur, Davis, Ada, Coalgate, Walters, 
Temple, Waurika, Ringling, Ryan, Ardmore, Tishomingo, Atoka, 
Marietta, Thackerville, Madill, Kingston, Durant, Quanah, Vernon,
Sheppard AFB, Wichita Falls, Archer City, Holliday, 
Lakeside City, Scotland, and Henrietta
302 PM CST Mon Feb 15 2021

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

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 30 below zero. For the Winter 
  Storm Warning, heavy snow expected. Total snow accumulations 
  of 4 to 8 inches.

* WHERE...Portions of central, north central, southern, and
  western Oklahoma and western north Texas.

* WHEN...For the Wind Chill Warning, until noon CST Tuesday. For 
  the Winter Storm Warning, from noon Tuesday to 6 PM CST 
  Wednesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute. The 
  cold wind chills could cause frostbite on exposed skin in as 
  little as 30 minutes.

* ADDITIONAL DETAILS...Below zero wind chills will continue
  Tuesday night into Wednesday across portions of the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$

OKZ004>006-009-010-TXZ084-087-088-161200-
/O.UPG.KOUN.WS.A.0003.210216T1800Z-210218T0600Z/
/O.NEW.KOUN.WW.Y.0007.210216T1800Z-210218T0000Z/
/O.CON.KOUN.WC.W.0001.000000T0000Z-210216T1800Z/
Harper-Woods-Alfalfa-Ellis-Woodward-Foard-Knox-Baylor-
Including the cities of Buffalo, Laverne, Alva, Cherokee, Helena,
Carmen, Shattuck, Arnett, Gage, Fargo, Woodward, Crowell, Munday,
Knox City, and Seymour
302 PM CST Mon Feb 15 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TUESDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TUESDAY TO 6 PM
CST WEDNESDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 30 below zero. For the Winter 
  Weather Advisory, snow expected. Total snow accumulations of 1 
  to 3 inches.

* WHERE...Portions of northwest Oklahoma and western north Texas.

* WHEN...For the Wind Chill Warning, until noon CST Tuesday. For 
  the Winter Weather Advisory, from noon Tuesday to 6 PM CST 
  Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute. The 
  dangerously cold wind chills could cause frostbite on exposed 
  skin in as little as 10 minutes.

* ADDITIONAL DETAILS...Below zero wind chills will continue
  Tuesday night into Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

Slow down and use caution while traveling. 

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$
5 follow-up statements
098 
WWUS44 KOUN 160937
WSWOUN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Norman OK
337 AM CST Tue Feb 16 2021

...Wind Chill Warning through Tuesday Morning and Winter Storm
Warning and Winter Weather Advisory Tuesday and Wednesday...

OKZ007-008-011>048-050>052-TXZ083-085-086-089-090-162300-
/O.CON.KOUN.WC.W.0001.000000T0000Z-210216T1800Z/
/O.CON.KOUN.WS.W.0002.210216T1800Z-210218T0000Z/
Grant-Kay-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-Wilbarger-Wichita-Archer-Clay-
Including the cities of Medford, Pond Creek, Lamont, Wakita, 
Ponca City, Blackwell, Fairview, Enid, Perry, Cheyenne, Hammon, 
Seiling, Vici, Taloga, Leedey, Weatherford, Clinton, Watonga, 
Geary, Okeene, Kingfisher, Hennessey, Okarche, Guthrie, 
Stillwater, Elk City, Sayre, Cordell, Burns Flat, Sentinel, 
Anadarko, Hinton, Yukon, Concho, El Reno, Mustang, Oklahoma City,
Chandler, Stroud, Prague, Meeker, Davenport, Wellston, Chickasha,
Tuttle, Purcell, Newcastle, Blanchard, Norman, Moore, Shawnee, 
Seminole, Wewoka, Holdenville, Wetumka, Hollis, Mangum, Granite, 
Hobart, Snyder, Altus, Frederick, Lawton, Duncan, Pauls Valley, 
Lindsay, Wynnewood, Sulphur, Davis, Ada, Coalgate, Walters, 
Temple, Waurika, Ringling, Ryan, Ardmore, Tishomingo, Atoka, 
Marietta, Thackerville, Madill, Kingston, Durant, Quanah, Vernon,
Sheppard AFB, Wichita Falls, Archer City, Holliday, 
Lakeside City, Scotland, and Henrietta
337 AM CST Tue Feb 16 2021

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

* WHAT...For the Wind Chill Warning, dangerously cold wind chills.
  Wind chills as low as 25 below zero. For the Winter Storm
  Warning, heavy snow expected. Total snow accumulations of 4 to 8
  inches. 

* WHERE...Portions of central, east central, northern, 
  northwest, southeast, southern, southwest and western Oklahoma 
  and northern Texas.

* WHEN...For the Wind Chill Warning, until noon CST today. For 
  the Winter Storm Warning, from noon today to 6 PM CST 
  Wednesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute. The 
  cold wind chills could cause frostbite on exposed skin in as 
  little as 30 minutes.

* ADDITIONAL DETAILS...Below zero wind chills will continue 
  Tuesday night into Wednesday across portions of the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$

OKZ004>006-009-010-TXZ084-087-088-162300-
/O.CON.KOUN.WC.W.0001.000000T0000Z-210216T1800Z/
/O.CON.KOUN.WW.Y.0007.210216T1800Z-210218T0000Z/
Harper-Woods-Alfalfa-Ellis-Woodward-Foard-Knox-Baylor-
Including the cities of Buffalo, Laverne, Alva, Cherokee, Helena,
Carmen, Shattuck, Arnett, Gage, Fargo, Woodward, Crowell, Munday,
Knox City, and Seymour
337 AM CST Tue Feb 16 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
6 PM CST WEDNESDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 30 below zero. For the Winter 
  Weather Advisory, snow expected. Total snow accumulations of 1 
  to 3 inches.

* WHERE...Portions of northwest Oklahoma and northern Texas.

* WHEN...For the Wind Chill Warning, until noon CST today. For 
  the Winter Weather Advisory, from noon today to 6 PM CST 
  Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute. The 
  dangerously cold wind chills could cause frostbite on exposed 
  skin in as little as 10 minutes.

* ADDITIONAL DETAILS...Below zero wind chills will continue 
  Tuesday night into Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.

Slow down and use caution while traveling.

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$

Mahale
897 
WWUS44 KOUN 161659
WSWOUN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Norman OK
1059 AM CST Tue Feb 16 2021

...Wind Chill Warning through Tuesday Morning and Winter Storm
Warning and Winter Weather Advisory Tuesday and Wednesday...

OKZ005-006-009-010-170100-
/O.CAN.KOUN.WC.W.0001.000000T0000Z-210216T1800Z/
/O.UPG.KOUN.WW.Y.0007.210216T1800Z-210218T0000Z/
/O.EXA.KOUN.WS.W.0002.210216T1800Z-210218T0000Z/
Woods-Alfalfa-Ellis-Woodward-
Including the cities of Alva, Cherokee, Helena, Carmen, Shattuck,
Arnett, Gage, Fargo, and Woodward
1059 AM CST Tue Feb 16 2021

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST WEDNESDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 6 
  inches.

* WHERE...Woods, Alfalfa, Ellis and Woodward Counties.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Plan on slippery road conditions and difficult travel.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

Call 8 4 4 4 6 5 4 9 9 7 for road information.

&&

$$

OKZ007-008-011>048-050>052-TXZ083-085-086-089-090-170100-
/O.CAN.KOUN.WC.W.0001.000000T0000Z-210216T1800Z/
/O.CON.KOUN.WS.W.0002.210216T1800Z-210218T0000Z/
Grant-Kay-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-Wilbarger-Wichita-Archer-Clay-
Including the cities of Medford, Pond Creek, Lamont, Wakita, 
Ponca City, Blackwell, Fairview, Enid, Perry, Cheyenne, Hammon, 
Seiling, Vici, Taloga, Leedey, Weatherford, Clinton, Watonga, 
Geary, Okeene, Kingfisher, Hennessey, Okarche, Guthrie, 
Stillwater, Elk City, Sayre, Cordell, Burns Flat, Sentinel, 
Anadarko, Hinton, Yukon, Concho, El Reno, Mustang, Oklahoma City,
Chandler, Stroud, Prague, Meeker, Davenport, Wellston, Chickasha,
Tuttle, Purcell, Newcastle, Blanchard, Norman, Moore, Shawnee, 
Seminole, Wewoka, Holdenville, Wetumka, Hollis, Mangum, Granite, 
Hobart, Snyder, Altus, Frederick, Lawton, Duncan, Pauls Valley, 
Lindsay, Wynnewood, Sulphur, Davis, Ada, Coalgate, Walters, 
Temple, Waurika, Ringling, Ryan, Ardmore, Tishomingo, Atoka, 
Marietta, Thackerville, Madill, Kingston, Durant, Quanah, Vernon,
Sheppard AFB, Wichita Falls, Archer City, Holliday, 
Lakeside City, Scotland, and Henrietta
1059 AM CST Tue Feb 16 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 8 
  inches.

* WHERE...Portions of central, east central, northern, 
  northwest, southeast, southern, southwest and western Oklahoma 
  and northern Texas.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact the morning or evening commute. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$

OKZ004-TXZ084-087-088-170100-
/O.CAN.KOUN.WC.W.0001.000000T0000Z-210216T1800Z/
/O.CON.KOUN.WW.Y.0007.210216T1800Z-210218T0000Z/
Harper-Foard-Knox-Baylor-
Including the cities of Buffalo, Laverne, Crowell, Munday, 
Knox City, and Seymour
1059 AM CST Tue Feb 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 
  inches.

* WHERE...In Oklahoma, Harper County. In Texas, Baylor, Foard 
  and Knox Counties.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Plan on slippery road conditions and travel
  difficulties.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$
351 
WWUS44 KOUN 162206
WSWOUN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Norman OK
406 PM CST Tue Feb 16 2021

...Winter Storm Warning and Winter Weather Advisory Today through 
Wednesday...

OKZ005>048-050>052-TXZ083-085-086-089-090-170600-
/O.CON.KOUN.WS.W.0002.000000T0000Z-210218T0000Z/
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-Wilbarger-
Wichita-Archer-Clay-
Including the cities of Alva, Cherokee, Helena, Carmen, Medford, 
Pond Creek, Lamont, Wakita, Ponca City, Blackwell, Shattuck, 
Arnett, Gage, Fargo, Woodward, Fairview, Enid, Perry, Cheyenne, 
Hammon, Seiling, Vici, Taloga, Leedey, Weatherford, Clinton, 
Watonga, Geary, Okeene, Kingfisher, Hennessey, Okarche, Guthrie, 
Stillwater, Elk City, Sayre, Cordell, Burns Flat, Sentinel, 
Anadarko, Hinton, Yukon, Concho, El Reno, Mustang, Oklahoma City,
Chandler, Stroud, Prague, Meeker, Davenport, Wellston, Chickasha,
Tuttle, Purcell, Newcastle, Blanchard, Norman, Moore, Shawnee, 
Seminole, Wewoka, Holdenville, Wetumka, Hollis, Mangum, Granite, 
Hobart, Snyder, Altus, Frederick, Lawton, Duncan, Pauls Valley, 
Lindsay, Wynnewood, Sulphur, Davis, Ada, Coalgate, Walters, 
Temple, Waurika, Ringling, Ryan, Ardmore, Tishomingo, Atoka, 
Marietta, Thackerville, Madill, Kingston, Durant, Quanah, Vernon,
Sheppard AFB, Wichita Falls, Archer City, Holliday, 
Lakeside City, Scotland, and Henrietta
406 PM CST Tue Feb 16 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...

* WHAT...Heavy snow. Snow accumulations of 4 to 7 inches from
  Tuesday afternoon through Wednesday afternoon.

* WHERE...Most of Oklahoma and portions of western northern 
  Texas.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Travel could be very difficult with poor visibility
  and deteriorating road conditions. These hazardous conditions
  will impact the Tuesday evening commute and potentially the 
  Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$

OKZ004-TXZ084-087-088-170600-
/O.CON.KOUN.WW.Y.0007.000000T0000Z-210218T0000Z/
Harper-Foard-Knox-Baylor-
Including the cities of Buffalo, Laverne, Crowell, Munday, 
Knox City, and Seymour
406 PM CST Tue Feb 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...

* WHAT...Snow. Snow accumulations of one to three inches from
  Tuesday afternoon through Wednesday afternoon.

* WHERE...In Oklahoma, Harper County. In Texas, Baylor, Foard 
  and Knox Counties.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Plan on slippery road conditions and travel 
  difficulties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$
991 
WWUS44 KOUN 170313
WSWOUN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Norman OK
913 PM CST Tue Feb 16 2021

OKZ005>007-009>012-171200-
/O.CAN.KOUN.WS.W.0002.000000T0000Z-210218T0000Z/
/O.EXA.KOUN.WW.Y.0007.000000T0000Z-210218T0000Z/
Woods-Alfalfa-Grant-Ellis-Woodward-Major-Garfield-
Including the cities of Alva, Cherokee, Helena, Carmen, Medford, 
Pond Creek, Lamont, Wakita, Shattuck, Arnett, Gage, Fargo, 
Woodward, Fairview, and Enid
913 PM CST Tue Feb 16 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Additional snow accumulations of up to 2 inches
  through Wednesday. Storm total snow accumulations of up to 3 
  inches.

* WHERE...Portions of northern and northwest Oklahoma.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Plan on slippery road conditions and travel 
  difficulties.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Call 8 4 4 4 6 5 4 9 9 7 for road information.

&&

$$

OKZ008-013>048-050>052-TXZ083-085-086-089-090-171200-
/O.CON.KOUN.WS.W.0002.000000T0000Z-210218T0000Z/
Kay-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-
Wilbarger-Wichita-Archer-Clay-
Including the cities of Ponca City, Blackwell, Perry, Cheyenne, 
Hammon, Seiling, Vici, Taloga, Leedey, Weatherford, Clinton, 
Watonga, Geary, Okeene, Kingfisher, Hennessey, Okarche, Guthrie, 
Stillwater, Elk City, Sayre, Cordell, Burns Flat, Sentinel, 
Anadarko, Hinton, Yukon, Concho, El Reno, Mustang, Oklahoma City,
Chandler, Stroud, Prague, Meeker, Davenport, Wellston, Chickasha,
Tuttle, Purcell, Newcastle, Blanchard, Norman, Moore, Shawnee, 
Seminole, Wewoka, Holdenville, Wetumka, Hollis, Mangum, Granite, 
Hobart, Snyder, Altus, Frederick, Lawton, Duncan, Pauls Valley, 
Lindsay, Wynnewood, Sulphur, Davis, Ada, Coalgate, Walters, 
Temple, Waurika, Ringling, Ryan, Ardmore, Tishomingo, Atoka, 
Marietta, Thackerville, Madill, Kingston, Durant, Quanah, Vernon,
Sheppard AFB, Wichita Falls, Archer City, Holliday, 
Lakeside City, Scotland, and Henrietta
913 PM CST Tue Feb 16 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 2 to 4
  inches through Wednesday. Storm total snow accumulations of 4 
  to 7 inches.

* WHERE...Portions of central, east central, northern, 
  northwest, southeast, southern, southwest and western Oklahoma 
  and northern Texas.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Travel will be very difficult with poor visibility and
  deteriorating road conditions. These hazardous conditions will
  continue to impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$

OKZ004-TXZ084-087-088-171200-
/O.CON.KOUN.WW.Y.0007.000000T0000Z-210218T0000Z/
Harper-Foard-Knox-Baylor-
Including the cities of Buffalo, Laverne, Crowell, Munday, 
Knox City, and Seymour
913 PM CST Tue Feb 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of up to one inch.

* WHERE...In Oklahoma, Harper County. In Texas, Baylor, Foard 
  and Knox Counties.

* WHEN...Until 6 PM CST Wednesday.

* IMPACTS...Plan on slippery road conditions and travel 
  difficulties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$
621 
WWUS44 KOUN 170919
WSWOUN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Norman OK
319 AM CST Wed Feb 17 2021

OKZ008-013-017>020-022>048-050>052-TXZ083-085-086-090-180000-
/O.CAN.KOUN.WS.W.0002.000000T0000Z-210218T0000Z/
/O.EXA.KOUN.WW.Y.0007.000000T0000Z-210218T0000Z/
Kay-Noble-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-Wilbarger-Wichita-Clay-
Including the cities of Ponca City, Blackwell, Perry, Watonga, 
Geary, Okeene, Kingfisher, Hennessey, Okarche, Guthrie, 
Stillwater, Cordell, Burns Flat, Sentinel, Anadarko, Hinton, 
Yukon, Concho, El Reno, Mustang, Oklahoma City, Chandler, Stroud,
Prague, Meeker, Davenport, Wellston, Chickasha, Tuttle, Purcell, 
Newcastle, Blanchard, Norman, Moore, Shawnee, Seminole, Wewoka, 
Holdenville, Wetumka, Hollis, Mangum, Granite, Hobart, Snyder, 
Altus, Frederick, Lawton, Duncan, Pauls Valley, Lindsay, 
Wynnewood, Sulphur, Davis, Ada, Coalgate, Walters, Temple, 
Waurika, Ringling, Ryan, Ardmore, Tishomingo, Atoka, Marietta, 
Thackerville, Madill, Kingston, Durant, Quanah, Vernon, 
Sheppard AFB, Wichita Falls, and Henrietta
319 AM CST Wed Feb 17 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Isolated bands of snow may produce additional light
  accumulations up to one inch.

* WHERE...Portions of central, east central, northern, 
  northwest, southeast, southern, southwest and western Oklahoma 
  and northern Texas.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Plan on slippery road conditions and travel 
  difficulties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

In Oklahoma, call 8 4 4 4 6 5 4 9 9 7 for road information. In
Texas, call 8 0 0 4 5 2 9 2 9 2 for road information.

&&

$$

OKZ014>016-021-TXZ089-171030-
/O.CAN.KOUN.WS.W.0002.000000T0000Z-210218T0000Z/
Roger Mills-Dewey-Custer-Beckham-Archer-
Including the cities of Cheyenne, Hammon, Seiling, Vici, Taloga, 
Leedey, Weatherford, Clinton, Elk City, Sayre, Archer City, 
Holliday, Lakeside City, and Scotland
319 AM CST Wed Feb 17 2021

...WINTER STORM WARNING IS CANCELLED...

Accumulating snow has ended, but flurries remain possible.  

$$

OKZ004>006-009>011-TXZ087-088-171030-
/O.CAN.KOUN.WW.Y.0007.000000T0000Z-210218T0000Z/
Harper-Woods-Alfalfa-Ellis-Woodward-Major-Knox-Baylor-
Including the cities of Buffalo, Laverne, Alva, Cherokee, Helena,
Carmen, Shattuck, Arnett, Gage, Fargo, Woodward, Fairview, 
Munday, Knox City, and Seymour
319 AM CST Wed Feb 17 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Accumulating snow has ended, but flurries remain possible.  

$$

OKZ007-012-TXZ084-180000-
/O.CON.KOUN.WW.Y.0007.000000T0000Z-210218T0000Z/
Grant-Garfield-Foard-
Including the cities of Medford, Pond Creek, Lamont, Wakita, 
Enid, and Crowell
319 AM CST Wed Feb 17 2021

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

* WHAT...Snow. Isolated bands of snow may produce additional light
  accumulations up to one inch.

* WHERE...In Oklahoma, Garfield and Grant Counties. In Texas, 
  Foard County.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Plan on slippery road conditions and travel 
  difficulties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

Call 8 4 4 4 6 5 4 9 9 7 for road information.

&&

$$

Mahale

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 3:02 PM CSTWinter Weather AdvisoryOUNBaylor, Clay, Foard, Hardeman, Knox, Wichita and 1 more47 hr

Nearby

Winter Storm Warnings in Oklahoma, 2021Winter Storm Warnings in Texas, 2021Every winter storm warning in 2021

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.