First freeze in the state, from Gary McManus of the Oklahoma Climatological Survey
From Gary McManus, of the Oklahoma Climatological Survey:
Chalk up October 19th as the date of the first freeze in the state (at least measured by an instrument) for the Fall 2011 season as the Boise City, El Reno and Foraker Mesonet sites all reached lows of at least 32 degrees this morning.
McManus said, “There’s nothing really remarkable about the timing of this frost, other than it comes on the heels of fairly warm October weather. The timing is in line with our average first freeze dates. And remember, lots of earlier and later frosts make up that average.”
Lots of low-to-upper 30s around so we probably had a lot of frost.
Freeze warning for some areas tonight in the National Weather Service, Norman Forecast Office coverage area
Looking to Wednesday and Thursday, in the National Weather Service, Norman Forecast Office coverage area
Wind chills, information from Gary McManus of the Oklahoma Climatological Survey
Wind chills dropped to below freezing up in the Panhandle with 28 degrees calculated at Boise City and Goodwell.
That’s the lowest wind chill recorded by the Mesonet’s 120 stations since Boise City blew in at 27 degrees last May 15th.
7-day planner, for the National Weather Service, Norman Forecast Office coverage area
Coldest actual temperatures since midnight at Oklahoma Mesonet weather network stations
The Oklahoma Mesonet weather network stations have recorded lows of 36 degrees at Boise City and Guymon so far since midnight.
Wind chill is 39 degrees at Oklahoma City North, 7:50 a.m., Oklahoma Mesonet
The Oklahoma Mesonet station called Oklahoma City North, located near Wilshire and Broadway Extension, is showing a wind chill of 39 degrees at 7:50 a.m.
Hazardous weather outlook for the National Weather Service, Norman Forecast Office coverage area
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-
450 PM CDT MON OCT 17 2011
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN…WESTERN…
CENTRAL…AND SOUTHERN OKLAHOMA…AND WESTERN NORTH TEXAS.
.DAY ONE…THIS AFTERNOON AND TONIGHT…
THUNDERSTORM OUTLOOK…
A FEW SEVERE THUNDERSTORMS…CAPABLE OF PRODUCING HAIL UP TO THE
SIZE OF GOLFBALLS…WILL BE POSSIBLE OVER SOUTH-CENTRAL AND
SOUTHEAST OKLAHOMA THROUGH ABOUT 9 PM THIS EVENING. THE GREATEST
LIKELIHOOD FOR SEVERE STORMS WILL BE SOUTH AND EAST OF A LINE
EXTENDING FROM ARDMORE TO HOLDENVILLE.
DISCUSSION…
A FAIRLY STRONG COLD FRONT WILL ADVANCE TO THE SOUTH AND EAST LATE
THIS AFTERNOON AND THIS EVENING. ALONG THE FRONT…SCATTERED TO
NUMEROUS THUNDERSTORMS MAY DEVELOP. AS THE FRONT AND AN UPPER-LEVEL
STORM SYSTEM MOVE QUICKLY OVER THE REGION…THE THREAT FOR SEVERE
WEATHER WILL DECREASE QUICKLY AFTER 9 PM. LINGERING SHOWERS MAY
CONTINUE THROUGH MIDNIGHT.
PROBABILITY TABLE…
VALID THROUGH 700 AM CDT TUESDAY OCT 18.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA…100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR…40 PERCENT.
OTHER HAZARDOUS WEATHER…
NONE.
.DAYS TWO THROUGH SEVEN…TUESDAY THROUGH SUNDAY…
THUNDERSTORM OUTLOOK…
DRY WEATHER IS EXPECTED THROUGH MUCH OF THE WEEK… WITH THE NEXT
CHANCE FOR THUNDERSTORMS ON SUNDAY.
OTHER HAZARDOUS WEATHER…
STRONG NORTH WINDS AND LOW HUMIDITY WILL KEEP WILDFIRE POTENTIAL
ELEVATED ON TUESDAY.
PATCHY FROST APPEARS POSSIBLE ON WEDNESDAY AND ESPECIALLY THURSDAY
MORNING.
At 4:40 p.m., 30-degree temperature difference from western Panhandle to eastern Oklahoma
At 4:40 p.m., it was 58 degrees at Kenton and Boise City in the western Oklahoma Panhandle, according to the Oklahoma Mesonet weather network.
It was also 88 degrees at Wister, Webbers Falls and Lane.
Hazardous weather outlook, National Weather Service, Norman Forecast Office
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-
1130 AM CDT MON OCT 17 2011
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN…WESTERN…
CENTRAL…AND SOUTHERN OKLAHOMA…AND WESTERN NORTH TEXAS.
.DAY ONE…THIS AFTERNOON AND TONIGHT…
THUNDERSTORM OUTLOOK…
SCATTERED THUNDERSTORMS ARE POSSIBLE ACROSS PARTS OF CENTRAL AND
SOUTHEAST OKLAHOMA MAINLY DURING THE EVENING HOURS. ORGANIZED
SEVERE WEATHER IS NOT EXPECTED…BUT A FEW STRONG TO MARGINALLY
SEVERE THUNDERSTORMS ARE POSSIBLE.
DISCUSSION…
A NEARLY STATIONARY FRONTAL BOUNDARY WILL BEGIN TO PUSH SOUTHWARD
AS A COLD FRONT THIS AFTERNOON AND EVENING. MEANWHILE…A
STRENGTHENING MID AND UPPER LEVEL TROUGH WILL APPROACH FROM
THE NORTHWEST. LIFT ASSOCIATED WITH THE TROUGH AND INCREASING
CONVERGENCE ALONG THE FRONT…SHOULD RESULT IN SCATTERED
THUNDERSTORM DEVELOPMENT AFTER 6 PM. STRONG TO PERHAPS SEVERE
THUNDERSTORMS WILL BE POSSIBLE ACROSS SOUTH CENTRAL AND SOUTHEAST
OKLAHOMA WHERE WIND SHEAR AND INSTABILITY WILL BE THE GREATEST.
RAIN AND THUNDERSTORM CHANCES WILL DECREASE QUICKLY AFTER 11
PM.
PROBABILITY TABLE…
VALID THROUGH 700 AM CDT TUESDAY OCT 18.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA…70 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR…40 PERCENT.
OTHER HAZARDOUS WEATHER…
INCREASING NORTH WINDS AND DRY AIR BEHIND THE COLD FRONT WILL KEEP
THE FIRE DANGER IN THE HIGH TO VERY HIGH CATEGORY TODAY.
.DAYS TWO THROUGH SEVEN…TUESDAY THROUGH SUNDAY…
THUNDERSTORM OUTLOOK…
DRY WEATHER IS EXPECTED THROUGH MUCH OF THE WEEK… WITH THE NEXT
CHANCE FOR THUNDERSTORMS ON SUNDAY.
OTHER HAZARDOUS WEATHER…
STRONG NORTH WINDS AND LOW HUMIDITY WILL KEEP WILDFIRE POTENTIAL
ELEVATED ON TUESDAY.
PATCHY FROST APPEARS POSSIBLE ON WEDNESDAY AND ESPECIALLY THURSDAY
MORNING.
