Charting, investigating and examining Oklahoma's severe weather

A look at some snow fall totals, by Gary McManus of the Oklahoma Climatological Survey

The NWS COOPerative observer at Sayre reported 5.2 inches, and more importantly

0.57 inches of liquid equivalent precipitation (what’s the melted snow worth).

Here are some of the larger snowfall totals from across the state, as well as their liquid equivalent totals (M = Missing).

-****-

Station Precipitation Snowfall

SAYRE 0.57 5.2

HOBART M 5.0

BRAMAN 0.21 4.9

ORIENTA 0.32 4.8

VINSON 6 NW 0.45 4.5

HEADRICK 0.36 4.3

ROOSEVELT 0.05 4.0

MORAVIA 0.38 4.0

WATONGA 0.24 4.0

LEEDEY M 4.0

INGALLS 0.23 4.0

HELENA 1 SSE 0.36 4.0

Hazardous weather outlook, from the National Weather Service, Norman

NATIONAL WEATHER SERVICE NORMAN OK
1145 AM CST MON FEB 13 2012

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-
1145 AM CST MON FEB 13 2012

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

.DAY ONE…THROUGH TONIGHT…

THUNDERSTORM OUTLOOK…
THUNDERSTORMS ARE NOT EXPECTED THROUGH TONIGHT.

DISCUSSION…
A FEW SHOWERS WILL BE POSSIBLE ACROSS SOUTHEAST OKLAHOMA THROUGH THE
EARLY AFTERNOON HOURS. OTHERWISE A COLD AND STABLE AIRMASS WILL
REMAIN IN PLACE ACROSS OKLAHOMA AND WESTERN NORTH TEXAS THROUGH
TONIGHT.

PROBABILITY TABLE…
VALID THROUGH 700 AM CST TUESDAY FEB 14.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA…5 PERCENT.

OTHER HAZARDOUS WEATHER…
NONE.

.DAYS TWO THROUGH SEVEN…TUESDAY THROUGH SUNDAY…

THUNDERSTORM OUTLOOK…
A WEATHER SYSTEM WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS TO
EASTERN OKLAHOMA ON TUESDAY NIGHT AND WEDNESDAY. SEVERE WEATHER IS
NOT EXPECTED.

OTHER HAZARDOUS WEATHER…
FIRE WEATHER CONDITIONS WILL BE SOMEWHAT ELEVATED ON WEDNESDAY…
WHEN A DRY WEST WIND WILL DEVELOP OVER WESTERN AND CENTRAL OKLAHOMA
AND WESTERN NORTH TEXAS.

Short-term forecast from the National Weather Service, Norman

SHORT TERM FORECAST
NATIONAL WEATHER SERVICE NORMAN OK
MON FEB 13 2012

ALFALFA-ARCHER-ATOKA-BAYLOR-BECKHAM-BLAINE-BRYAN-CADDO-CANADIAN-
CARTER-CLAY-CLEVELAND-COAL-COMANCHE-COTTON-CUSTER-DEWEY-ELLIS-FOARD-
GARFIELD-GARVIN-GRADY-GRANT-GREER-HARDEMAN-HARMON-HARPER-HUGHES-
JACKSON-JEFFERSON-JOHNSTON-KAY-KINGFISHER-KIOWA-KNOX-LINCOLN-LOGAN-
LOVE-MAJOR- MARSHALL-MCCLAIN-MURRAY-NOBLE-OKLAHOMA-PAYNE-PONTOTOC-
POTTAWATOMIE-ROGER MILLS-SEMINOLE-STEPHENS-TILLMAN-WASHITA-WICHITA-
WILBARGER-
MON FEB 13 2012

.REGIONAL WEATHER DISCUSSION…

PATCHY LIGHT RAIN… MIXING WITH SLEET AT TIMES… WILL CONTINUE TO
MOVE EAST ACROSS PORTIONS OF SOUTH CENTRAL AND SOUTHEAST OKLAHOMA
THROUGH NOON. TEMPERATURES ACROSS THIS AREA WILL RANGE FROM 32 TO 34
DEGREES SO ROADWAYS WILL BE MAINLY WET. FARTHER NORTH THE
PRECIPITATION HAS ENDED… ALTHOUGH SOME PATCHY FOG WILL STILL OCCUR
THROUGH THE REMAINDER OF THE MORNING.

CONDITIONS WILL CONTINUE TO IMPROVE THROUGH THE MORNING HOURS AS
MUCH OF THE PRECIPITATION ENDS AND TEMPERATURES RISE ABOVE FREEZING
ACROSS ALL OF WESTERN AND CENTRAL OKLAHOMA AND WESTERN NORTH TEXAS.
TEMPERATURES ARE EXPECTED TO TOP OUT IN THE UPPER 30S AND 40S THIS
AFTERNOON.

A look at the wind chills possible this morning, according to the National Weather Service, Norman

Injury and non-injury accidents reported to the Oklahoma City Police Department and fire calls reported to the Oklahoma City Fire Department.

Injury Accidents: 6

   

Non-Injury Accidents: 12

   

Fire Responses: 1

Winter weather advisory from the National Weather Service, Norman

OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-POTTAWATOMIE-SEMINOLE-
HUGHES-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-WICHITA-ARCHER-CLAY-
INCLUDING THE CITIES OF…OKLAHOMA CITY…CHANDLER…CHICKASHA…
PURCELL…NORMAN…MOORE…SHAWNEE…SEMINOLE…HOLDENVILLE…
DUNCAN…PAULS VALLEY…SULPHUR…ADA…COALGATE…WALTERS…
WAURIKA…ARDMORE…TISHOMINGO…ATOKA…MARIETTA…MADILL…
DURANT…WICHITA FALLS…ARCHER CITY…HOLLIDAY…LAKESIDE CITY…
HENRIETTA
838 AM CST MON FEB 13 2012

…WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING…

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING.

* TIMING: ALTHOUGH A MAJORITY OF THE PRECIPITATION WILL FALL AS
  RAIN ACROSS THE AREAS THE REMAINDER OF THE MORNING… SCATTERED
  POCKETS OF SNOW AND SLEET…ALONG WITH PATCHY LIGHT FREEZING
  DRIZZLE…WILL CONTINUE TO BE POSSIBLE EARLY THIS MORNING. ONLY
  TRACE AMOUNTS OF ADDITIONAL SNOW AND SLEET ARE EXPECTED BUT
  SLICK SPOTS ON ROADWAYS WILL CONTINUE TO BE POSSIBLE UNTIL
  TEMPERATURES RISE ABOVE FREEZING LATER THIS MORNING.

* MAIN IMPACT: SOME ROADS…ESPECIALLY UNTREATED BRIDGES AND
  OVERPASSES…WILL BE SLICK AND HAZARDOUS DURING THE EARLY
  MORNING HOURS. SLICK CONDITIONS WILL ALSO BE SEEN ON UNTREATED
  SIDEWALKS AND PARKING LOTS. CONDITIONS WILL IMPROVE TOWARD AND
  DURING THE AFTERNOON…BUT ANY REMAINING SLUSH OR PUDDLES WILL
  REFREEZE TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

Injury and non-injury accidents reported to the Oklahoma City Police Department and fire calls reported to the Oklahoma City Fire Department.

Injury Accidents: 4

   

Non-Injury Accidents: 14

   

Fire Responses: 1

Injury and non-injury accidents reported to the Oklahoma City Police Department and fire calls reported to the Oklahoma City Fire Department

Injury Accidents: 3

   

Non-Injury Accidents: 13

   

Fire Responses: 1

At 7:40 a.m., most of central Oklahoma at 32 degrees, except Guthrie and Kingfisher at 33 now, Oklahoma Mesonet

Injury and non-injury accidents reported to the Oklahoma City Police Department

Injury Accidents: 2

   

Non-Injury Accidents: 4

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