High Wind Watch 1, NWS Lubbock, TX

Bailey County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Kent County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Parmer County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LUBBOCK TX
336 PM CDT WED APR 9 2008

.SHORT TERM...
THE MOST IMMINENT CONCERN REMAINS THE POTENTIAL FOR ADDITIONAL
SEVERE STORMS THIS EVENING/TONIGHT.

CURRENTLY THUNDERSTORMS ARE DEVELOPING IN THE WARM SECTOR OVER THE
EASTERN PERMIAN BASIN AND THE NORTHERN BIG COUNTRY. THIS ACTIVITY
WILL BECOME INCREASINGLY ELEVATED IN THE SHORT TERM AS IT PROPAGATES
NORTHEASTWARD TOWARD THE SOUTHERN SOUTH PLAINS. AIRMASS RECOVERY/
NORTHWARD PROGRESSION OF THE WARM FRONT HAS BEEN SLOW THUS FAR THIS
AFTERNOON IN THE FACE OF COLD POOL RE-ENFORCEMENT FOLLOWING THIS
MORNING/S CONVECTION...YET 4 TO 5MB/3HR PRESSURE FALLS REMAIN CENTERED
VICINITY ROSWELL. AS SUCH STRATUS CONTINUES TO ERODE OVER THE
SOUTHWESTERN SOUTH PLAINS WHERE WINDS ARE GRADUALLY VEERING.

QUESTIONS REMAIN AS TO WHETHER THE WARM FRONT WILL PUSH NORTHWARD
OVER THE SOUTHERN ROLLING PLAINS/SOUTH PLAINS THIS EVENING AS
STRONGER HEIGHT/PRESSURE FALLS OVERSPREAD THE AREA AND DEEPER
FORCING/ASCENT APPROACHES. IF THIS DOES OCCUR...IT WILL PRESENT AN
ENHANCED...YET CONDITIONAL...RISK OF SIGNIFICANT SEVERE WEATHER WITH
SURFACE BASED STORMS INCLUDING TORNADOES. ATTM...IT APPEARS THAT OUR
AREA MAY BE ON THE NORTHWARD PERIPHERY OF SUCH RISK AS CURRENTLY
DEPICTED BY SPC/S PDS TORNADO WATCH ADJACENT TO THE SOUTHEASTERN FA.

A MORE LIKELY SCENARIO APPEARS TO BE THE DEVELOPMENT OF SCATTERED
NEAR SURFACE BASED CONVECTION WHERE MODEST RECOVERY IS UNDERWAY FROM
THE DRYLINE/FRONT MERGER IN SOUTHEASTERN NEW MEXICO...EASTWARD ALONG
THE SOUTHERN SOUTH PLAINS/ROLLING PLAINS IN CLOSEST PROXIMITY TO THE
NORTHWARD MOVING BAROCLINIC BOUNDARY. A THREAT OF HAIL/DAMAGING
WINDS WILL BE PRESENT THERE. OTHERWISE...ELEVATED STORMS...SOME
SUPERCELLS...ARE LIKELY TO EVOLVE ATOP THE COLD DOME OVER THE
CENTRAL/NORTHERN SOUTH PLAINS/ROLLING PLAINS TONIGHT AS LARGE SCALE
FORCING/ASCENT INCREASES AHEAD OF THE APPROACHING UA TROUGH. THUS
THE DOMINANT SEVERE WEATHER THREAT SHOULD BE LARGE HAIL NORTHWARD
OVER THE DEEPER COLD DOME.

CONVECTIVE ACTIVITY WILL LIKELY TRANSLATE EAST OF THE FORECAST AREA
AFTER MIDNIGHT AS THE UA TROUGH/LOW EJECTS EASTWARD OVER
NORTHEASTERN NEW MEXICO.

.LONG TERM...
EXTENDED FORECAST APPEARS TO BE RATHER BENIGN...EXCEPT FOR
THURSDAY WHEN THE STRONG TROUGH/CLOSED LOW OVER THE SOUTHERN
ROCKIES MOVES EAST ACROSS THE CENTRAL/SOUTHERN PLAINS.

PRECIPITATION TO HAVE ENDED WITH PACIFIC COLD FRONT OVER
CENTRAL OKLAHOMA/CENTRAL TEXAS BY 12Z. TIGHT MID LEVEL GRADIENT
OVER THE FORECAST AREA WITH LOCAL STUDY SHOWING WINDS AROUND
30 TO 40 MPH AND MAV GUIDANCE AT 18Z SHOWING 37 KTS (43 MPH)
EXPECT AT LEST ADVISORY LEVEL AND POSSIBLY WIND WARNING WINDS FOR
THURSDAY. WILL THUS HOLD OFF ON ADVISORY FOR NOW AND ISSUE HIGH
WIND WATCH AND LET NEXT SHIFT EVALUATE POTENTIAL. RAINFALL THIS
MORNING AND POSSIBLY TONIGHT WILL ALLOW FINE SILT TO FLOAT TO
THE TOP AND THEN DRY WITH WINDS TOMORROW...PRODUCING AREAS OF
BLOWING DUST. PRECIPITATION WILL ALSO BE A FACTOR FOR FIRE
DANGER... HOWEVER WITH WINDS ABOVE 25 MPH AND RELATIVE HUMIDITY
FALLING INTO THE TEENS ACROSS SOUTHERN SECTIONS OF THE FORECAST
AREA TOMORROW WILL CONTINUE THE FIRE WEATHER WATCH.

MODELS IN GOOD AGREEMENT THROUGH THE WEEKEND WITH UPPER LEVEL
TROUGH CONTINUING TO MOVE EASTWARD AS RIDGE BUILDS ACROSS THE
ROCKIES. A COOL SURFACE HIGH TO SETTLE OVER THE AREA BEHIND COLD
FRONT MOVING THROUGH THE REGION ON FRIDAY. DRY NORTHERLY FLOW
ALOFT TO CONTINUE. MODELS BEGIN TO DIFFER BY THE MIDDLE PART OF
NEXT WEEK WITH 12Z GFS MOVING A RIDGE INTO THE CENTRAL CONUS
LATE TUESDAY AFTERNOON...THIS IS A DEPARTURE FROM THE 06Z RUN
WHICH HAD A SHORTWAVE SLIDING DOWN THE LEE OF THE ROCKIES AND
DRIVING A COLD FRONT INTO THE REGION ON WEDNESDAY. THIS SOLUTION
WAS VERY CLOSE TO 00Z ECMWF AND CANADIAN. THUS TRENDED CLOSE TO
THE 06Z GFS SOLUTION FOR THIS FORECAST WITH WARMER TEMPERATURES
AND DRY CONDITIONS FOR MONDAY AND TUESDAY. SLIGHTLY COOLER NEXT
WEDNESDAY AS FRONT MOVES THROUGH THE REGION...ALSO WITH LACK OF
MOISTURE EXPECT FRONTAL PASSAGE TO BE DRY.

&&

.FIRE WEATHER...
VIGOROUS UPPER LEVEL STORM SYSTEM MOVING OUT OF THE ROCKIES ON
THURSDAY TO PRODUCE VERY WINDY CONDITIONS ACROSS THE REGION.
RELATIVE HUMIDITY TO DROP INTO THE TEENS...MAINLY OVER THE
SOUTHERN SOUTH PLAINS IN THE WAKE OF A PACIFIC COLD FRONT THAT
IS EXPECTED TO MOVE THROUGH THE REGION DURING THE EARLY MORNING
HOURS. A MITIGATING FACTOR IS HOW MUCH PRECIPITATION FALL TONIGHT.
ALTHOUGH THERE WAS SOME RAINFALL THIS MORNING...MOST OF THE RAIN
IS EXPECTED TO BE OVER NORTHERN AND EASTERN SECTIONS...WILL THUS
CONTINUE THE FIRE WEATHER WATCH FOR THURSDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
FRIONA        40  63  34  60  31 /  30  10  10  10   0
TULIA         42  65  37  60  31 /  50  10  10  10   0
PLAINVIEW     44  67  37  61  32 /  50  10  10  10   0
LEVELLAND     47  70  35  65  34 /  40  10  10  10   0
LUBBOCK       49  71  38  65  35 /  50  10  10  10   0
DENVER CITY   47  73  35  69  34 /  20  10  10   0   0
BROWNFIELD    48  73  37  68  35 /  30  10  10   0   0
CHILDRESS     51  72  42  64  39 /  70  10  10  10   0
SPUR          51  72  40  66  37 /  60  10  10  10   0
ASPERMONT     55  77  41  70  41 /  70  10  10  10   0

&&

.LUB WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
EVENING FOR THE FOLLOWING ZONES: TXZ033>044.

HIGH WIND WATCH FROM THURSDAY MORNING THROUGH THURSDAY EVENING
FOR THE FOLLOWING ZONES: TXZ021>044.

&&

20/08

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