000
acus01 kwns 240100
swody1
Storm Prediction Center ac 240058
Day 1 convective outlook
National Weather Service Storm Prediction Center Norman OK
0758 PM CDT Thursday may 23 2013
Valid 240100z - 241200z
..there is a slight risk of severe thunderstorms over a portion of western Texas...
..Wrn Texas...
Cluster of storms over the South Plains of West Texas will likely
continue to pose a threat for isolated damaging wind and large hail
through middle evening. Activity should propagate southeastward into the moist
and unstable inflow and may eventually merge with outflows from
storms spreading northeastward from southwestern Texas. A few storms may also continue
developing on the cool side of this boundary in the Lubbock vicinity
as the low level jet strengthens. The 00z radiosonde observation data suggest storms should
begin to struggle later this evening as the boundary layer cools and
convective inhibition increases.
..mid Atlantic through northestern states...
Numerous multicell storms with lines and clusters will persist
through the marginally unstable warm sector this evening. The
stronger storms may pose a modest risk for isolated strong wind
gusts through 03z...but activity is expected to undergo a gradual
decrease as the boundary layer cools.
.Dial.. 05/24/2013
Mesoscale Discussion
000
acus11 kwns 240253
sels mesoscale discussion
Storm Prediction Center mesoscale discussion 240253
txz000-240400-
Mesoscale discussion 0789
National Weather Service Storm Prediction Center Norman OK
0953 PM CDT Thursday may 23 2013
Areas affected...portions of southwest/west-central Texas
Concerning...Severe Thunderstorm Watch 214...
Valid 240253z - 240400z
The severe weather threat for Severe Thunderstorm Watch 214
continues.
Summary...damaging winds/bouts of severe hail remain a possibility
across portions of southwest/west-central Texas late this
evening...although the overall intensity should gradually wane into
the overnight.
Discussion...a 125-mile wide composite mesoscale convective system continues to gradually
develop southward...roughly near to around 50 miles south of I-20
across southwest/west-central Texas. Colliding outflows along with weak
isentropic ascent and slightly elevated/moderately strong storm
relative inflow continues to Foster new updraft development...with
some of the stronger cores continuing to pose a probable damaging
wind/severe hail threat. While a semi-organized/sustained southward
propagation will likely continue...a gradually cooling boundary
layer and weaker deep layer shear environment with southward extent
should lead to a diminishing intensity/organizational trend over the
next couple of hours.
.Guyer.. 05/24/2013
..please see www.Spc.NOAA.Gov for graphic product...
Attention...WFO...ewx...sjt...maf...
Latitude...Lon 29950183 30720230 31720251 31940201 31800118 31909904
31029895 30349998 29950183
