Area Forecast Discussion Issued by NWS
000
FXUS64 KLUB 232113
AFDLUB
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LUBBOCK TX
413 PM CDT THU MAY 23 2013
.SHORT TERM...
THIS EVENING...WEAK LARGE-SCALE ASCENT AND STRONG LOW-LVL JET WILL
LIKELY MAINTAIN SOME CONVECTIVE ACTIVITY THROUGH AROUND
MIDNIGHT...AND POSSIBLY INTO THE EARLY MORNING HRS ACROSS THE S-SE
FOR A SLOW-MOVING MCS THAT COULD BRING A HEAVY RAIN THREAT. AREAS OF
LOW CLOUDS AND FOG WILL BE POSSIBLE ACROSS THE ENTIRE AREA WITH MILD
OVERNIGHT LOW TEMPS.
THE FORECAST FOR FRIDAY WILL DEPEND GREATLY ON ANY LINGERING MORNING
CONVECTION AND CONVECTIVE DEBRIS. UPPER RIDGE AXIS WILL BE WELL EAST
OF THE FA AND LOWER HEIGHTS SHOULD RESULT IN COOLER TEMPS - HIGHS
MAY STRUGGLE TO MAKE IT NORTH OF THE MIDDLE 80S IF MORNING CLOUD
COVER HANGS ON. AFTERNOON STORM CHANCES STILL APPEAR VALID ACROSS
MOST OF THE AREA. THE DRYLINE WILL BE BACKED WEST INTO NEW MEXICO SO
THERE WILL NOT BE A STRONG SFC FORCING MECHANISM...BUT THERE WILL
LIKELY BE SUFFICIENT CONVERGENCE IN THE SURFACE TROUGH FROM THE FAR
SRN PANHANDLE TO THE SW SPLNS. WEAK DEEP-LAYER FLOW WILL FAVOR
WEAKLY ORGANIZED SLOW-MOVING STORMS. SVR HAIL AND WIND WILL STILL BE
A THREAT WITH LARGE INSTABILITY.
&&
.LONG TERM...
MINIMAL UPDATES TO THE EXTENDED FORECAST IN LIGHT OF IMPENDING
SEVERE WX THREAT. AN ACTIVE DRYLINE IS STILL A GOOD BET EACH DAY
THROUGH EARLY NEXT WEEK UNDER A WEAKLY UNSETTLED SWLY FLOW REGIME.
THIS PATTERN WILL LIKELY AMPLIFY BY MIDWEEK AS A MEDIUM WAVE TROUGH
EJECTS OUT OF THE GREAT BASIN AND FOUR CORNERS REGION...HOWEVER THE
TIMING OF THIS WAVE LEADS TO CONSIDERABLE UNCERTAINTY IN WHERE THE
DRYLINE WILL RESIDE AS THE GFS FAVORS A FASTER WAVE AND MORE
EASTERLY DRYLINE VERSUS A SLOWER WAVE AND MORE WESTERLY DRYLINE
LONGITUDE PER THE ECMWF AND SOME OF THE GEFS MEMBERS. SEASONABLE
TEMPS OVERALL THROUGH NEXT WEEK.
&&
.PRELIMINARY POINT TEMPS/POPS...
FRIONA 59 86 60 81 60 / 40 50 30 20 20
TULIA 63 84 62 81 61 / 50 50 30 20 20
PLAINVIEW 64 85 63 81 62 / 60 50 30 20 20
LEVELLAND 64 86 64 81 61 / 50 50 30 20 20
LUBBOCK 66 84 65 82 64 / 60 50 30 20 20
DENVER CITY 63 86 64 81 61 / 30 50 30 20 20
BROWNFIELD 64 86 65 82 62 / 50 50 30 20 20
CHILDRESS 65 84 66 83 66 / 60 30 30 20 20
SPUR 67 82 66 82 64 / 60 50 30 20 20
ASPERMONT 68 84 67 83 68 / 60 30 40 20 20
&&
.LUB WATCHES/WARNINGS/ADVISORIES...
BLOWING DUST ADVISORY UNTIL 5 PM CDT THIS AFTERNOON FOR THE
FOLLOWING ZONES: TXZ029-035-036.
&&
$$
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