Looking ahead
National Weather Service, Norman:
SATURDAY THROUGH THURSDAY…
STRONG TO SEVERE THUNDERSTORMS…SOME OF WHICH WILL PRODUCE
LOCALLY HEAVY RAINFALL…WILL RETURN TO THE REGION SATURDAY AS AN
UPPER LEVEL DISTURBANCE MOVES INTO THE MIDDLE RED RIVER VALLEY.
STRONG AND DAMAGING WIND GUSTS…LARGE HAIL AND LOCALLY HEAVY
RAINFALL WILL BE A POSSIBILITY ACROSS THE REGION.
An early look at some of the weather we may experience in Oklahoma
.NOW…
…A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE WESTERN TEXAS AND
WESTERN OKLAHOMA PANHANDLES UNTIL MIDNIGHT CDT…
SCATTERED THUNDERSTORMS WILL MOVE OUT OF NEW MEXICO AND INTO THE
NORTHWESTERN TEXAS AND WESTERN OKLAHOMA PANHANDLES. THIS ACTIVITY IS
MOVING SOUTHEAST AT 25 MPH. THROUGH 8 PM…LOCATIONS THAT MAY BE
AFFECTED INCLUDE KENTON…BOISE CITY…TEXLINE AND DALHART. GUSTY
WINDS…SMALL HAIL…HEAVY RAIN…AND DANGEROUS CLOUD TO GROUND
LIGHTNING MAY ACCOMPANY THE STRONGEST STORMS.
On this Friday: Severe thunderstorm watch in Panhandle
WATCH COUNTY NOTIFICATION FOR WATCH 646
NATIONAL WEATHER SERVICE AMARILLO TX
517 PM CDT FRI JUL 31 2009
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
646 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS
IN OKLAHOMA THIS WATCH INCLUDES 2 COUNTIES
IN THE OKLAHOMA PANHANDLE
CIMARRON TEXAS
IN TEXAS THIS WATCH INCLUDES 6 COUNTIES
IN THE TEXAS PANHANDLE
DALLAM HANSFORD HARTLEY
MOORE OLDHAM SHERMAN
THIS INCLUDES THE CITIES OF…BOISE CITY…CHANNING…DALHART…
DUMAS…GRUVER…GUYMON…HARTLEY…KEYES…SPEARMAN…
STRATFORD AND VEGA.
Several reports from early this morning of wind gust of 60 mph or more
There were several reports of winds gusting to 60 mph or more, including in areas such as 65 mph at Grandfield and Altus.
Short-term forecast
LIGHT TO MODERATE RAIN WILL CONTINUE ACROSS PORTIONS OF CENTRAL AND
SOUTHERN OKLAHOMA THROUGH 2 PM. MOST OF THE ACTIVITY WILL REMAIN
EAST OF A LINE FROM STILLWATER AND EL RENO… TO CHICKASHA AND
DUNCAN… TO MARIETTA OKLAHOMA. ISOLATED STORMS MAY ALSO DEVELOP
THIS AFTERNOON WITH FREQUENT LIGHTNING AND HEAVY RAIN THE MAIN
CONCERN. HOWEVER… SEVERE WEATHER REMAINS UNLIKELY.
Short-term forecast
REGIONAL WEATHER DISCUSSION…
LIGHT TO MODERATE RAIN WILL CONTINUE ACROSS PORTIONS OF CENTRAL AND
SOUTHERN OKLAHOMA THROUGH 1 PM. MOST OF THE ACTIVITY WILL REMAIN
EAST OF A LINE FROM STILLWATER AND EL RENO… TO CHICKASHA AND
DUNCAN… TO MARIETTA OKLAHOMA. THE RAIN WILL CONTINUE TO GRADUALLY
SHIFT EAST THIS AFTERNOON.
MEANWHILE… A COLD FRONT WILL CONTINUE TO MOVE ACROSS THE AREA. THE
COLD FRONT WAS LOCATED FROM NEAR SEMINOLE… TO NEAR PAULS VALLEY
AND DUNCAN OKLAHOMA… TO WICHITA FALLS TEXAS AT AROUND NOON. BEHIND
THE FRONT WINDS WERE FROM THE NORTH AT 10 TO 20 MPH WITH HIGHER
GUSTS.
New hazardous weather outlook
National Weather Service, Norman:
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN…WESTERN…
CENTRAL…AND SOUTHERN OKLAHOMA…AND WESTERN NORTH TEXAS.
.DAY ONE…THIS AFTERNOON AND TONIGHT…
THUNDERSTORM OUTLOOK…
SEVERE THUNDERSTORMS ARE NOT EXPECTED.
DISCUSSION…
ADDITIONAL SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THIS
AFTERNOON. A COLD FRONT WILL CONTINUE TO MOVE ACROSS THE AREA TODAY.
A MID-LEVEL DISTURBANCE WILL ALSO APPROACH THE AREA THIS AFTERNOON.
WITH THE FRONT… DISTURBANCE… AND SURFACE HEATING OF THE WEAKLY
CAPPED AIRMASS… ADDITIONAL THUNDERSTORMS MAY DEVELOP THIS
AFTERNOON. HOWEVER… THE STORMS ARE EXPECTED TO REMAIN BELOW SEVERE
LEVELS DUE TO LIMITED INSTABILITY.
SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE TONIGHT. STORMS MAY
DEVELOP IN THE HIGH PLAINS AND MOVE SOUTHEAST ACROSS PORTIONS OF
OKLAHOMA AND WESTERN NORTH TEXAS TONIGHT. FREQUENT CLOUD TO GROUND
LIGHTNING AND HEAVY RAIN WOULD BE THE MAIN CONCERN WITH THESE
STORMS.
PROBABILITY TABLE…
VALID THROUGH 700 AM CDT FRIDAY JUL 31.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA…50 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR… 5 PERCENT.
OTHER HAZARDOUS WEATHER…
VERY HEAVY RAINFALL MAY CAUSE LOCAL FLOODING IN THOSE AREAS THAT
HAVE ALREADY RECEIVED SEVERAL INCHES OF RAIN OVER THE PAST FEW DAYS.
.DAYS TWO THROUGH SEVEN…FRIDAY THROUGH WEDNESDAY…
THUNDERSTORM OUTLOOK…
THE NORTHWESTERLY FLOW PATTERN WILL PERSIST ACROSS THE REGION INTO
THE WEEKEND… RESULTING IN AT LEAST A SLIGHT CHANCE OF
THUNDERSTORMS EACH DAY THROUGH SATURDAY. ISOLATED SEVERE
THUNDERSTORMS COULD BE POSSIBLE SATURDAY.
Short-term forecast
National Weather Service, Norman:
REGIONAL WEATHER DISCUSSION…
LIGHT RAIN WILL CONTINUE ACROSS PORTIONS OF CENTRAL AND SOUTHERN
OKLAHOMA THROUGH NOON. MOST OF THE ACTIVITY WILL REMAIN EAST OF A
LINE FROM STILLWATER AND KINGFISHER… TO WEATHERFORD AND DUNCAN…
TO MARIETTA OKLAHOMA. THE LIGHT SHOWERS WILL CONTINUE TO GRADUALLY
SHIFT EAST THROUGH EARLY AFTERNOON.
MEANWHILE… SHOWERS CONTINUE TO DEVELOP AND MOVE ACROSS PORTIONS OF
SOUTHWEST KANSAS THIS MORNING. THIS RAIN MAY MOVE INTO PORTIONS OF
NORTHWEST OKLAHOMA THIS AFTERNOON. A COLD FRONT WILL ALSO CONTINUE
TO MOVE ACROSS THE AREA. THE COLD FRONT WAS LOCATED FROM NEAR
SHAWNEE… TO NEAR NORMAN AND DUNCAN OKLAHOMA… TO WICHITA FALLS
TEXAS AT 11 AM. BEHIND THE FRONT WINDS WERE FROM THE NORTH AT 10 TO
20 MPH WITH HIGHER GUSTS.
Short-term forecast: for Oklahoma Panhandle
SCATTERED LIGHT SHOWERS OVER NORTHWEST SECTIONS OF THE OKLAHOMA AND
TEXAS PANHANDLES WILL CONTINUE MOVING EAST SOUTHEAST AT 25 MPH
THROUGH 11 AM. STRATFORD…GRIGGS…TEXLINE…AND TEXHOMA ARE
SOME LOCATIONS THAT WILL LIKELY BE AFFECTED. RAINFALL AMOUNTS WILL
GENERALLY REMAIN LESS THAN ONE TENTH OF AN INCH PER HOUR.
Hazardous weather outlook
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN…WESTERN…
CENTRAL…AND SOUTHERN OKLAHOMA…AND WESTERN NORTH TEXAS.
.DAY ONE…TODAY AND TONIGHT…
THUNDERSTORM OUTLOOK…
SEVERE THUNDERSTORMS ARE NOT EXPECTED.
DISCUSSION…
A LARGE AREA OF RAIN AND THUNDERSTORMS OVERNIGHT IS ASSOCIATED WITH
A MID AND UPPER-LEVEL DISTURBANCE MOVING ACROSS THE AREA. THE RAIN
HAS COOLED AND STABILIZED THE LOW LEVELS… AND SO ANY ADDITIONAL
THUNDERSTORMS THIS MORNING ARE NOT LIKELY TO BECOME SEVERE. THE RAIN
AND STORMS WILL TAPER OFF LATER TODAY AS THE AREA OF RAIN MOVES OFF
TO THE EAST AND SOUTHEAST.
PROBABILITY TABLE…
VALID THROUGH 700 AM CDT FRIDAY JUL 31.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA…100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR… 5 PERCENT.
OTHER HAZARDOUS WEATHER…
VERY HEAVY RAINFALL MAY CAUSE LOCAL FLOODING THIS MORNING.
.DAYS TWO THROUGH SEVEN…FRIDAY THROUGH WEDNESDAY…
THUNDERSTORM OUTLOOK…
THE NORTHWESTERLY FLOW PATTERN WILL PERSIST ACROSS THE REGION INTO
THE WEEKEND… RESULTING IN AT LEAST A SLIGHT CHANCE OF
THUNDERSTORMS EACH DAY THROUGH SATURDAY.
