SPC MD 356

MD 0356 CONCERNING SEVERE THUNDERSTORM WATCH 78...79... FOR NW AND NCNTRL TX...SRN AND CNTRL OK

MESOSCALE DISCUSSION 0356
NWS STORM PREDICTION CENTER NORMAN OK
0931 PM CDT SUN APR 10 2016

AREAS AFFECTED...NW AND NCNTRL TX...SRN AND CNTRL OK

CONCERNING...SEVERE THUNDERSTORM WATCH 78...79...

VALID 110231Z - 110330Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
78...79...CONTINUES.

SUMMARY...A WIND DAMAGE AND LARGE HAIL THREAT WILL CONTINUE LATE
THIS EVENING INTO THE OVERNIGHT PERIOD ACROSS NW AND NCNTRL TX
EXTENDING NWD INTO CNTRL OK. WW ISSUANCE WILL LIKELY BE NEEDED
BEYOND THE EXPIRATION OF WW 78 AND WW 79.

DISCUSSION...THE LATEST RADAR TRENDS SHOW A CLUSTER OF STRONG TO
SEVERE THUNDERSTORMS ACROSS NW TX EXTENDING EWD ACROSS SW OK. THIS
ACTIVITY IS LOCATED ALONG AN AXIS OF MODERATE INSTABILITY WHERE
MLCAPE IS ESTIMATED IN THE 1500 TO 2000 J/KG RANGE. IN
ADDITION...THE WSR-88D VWP AT FREDERICK SHOWS 0-6 KM SHEAR OF 60 KT
WITH SUBSTANTIAL DIRECTIONAL TURNING IN THE LOW-LEVELS. THIS IS
RESULTING IN 0-3 KM SHEAR OF OVER 400 M2/S2 SUGGESTING AN ISOLATED
TORNADO THREAT WILL CONTINUE. THIS ENVIRONMENT WILL CONTINUE TO
SUPPORT SUPERCELL DEVELOPMENT WITH ISOLATED LARGE HAIL AND WIND
DAMAGE POSSIBLE WITH ROTATING STORMS. THE BOUNDARY LAYER WILL COOL
GRADUALLY OVER THE NEXT FEW HOURS SUGGESTING THE TORNADO THREAT WILL
GRADUALLY DIMINISH...WITH HAIL AND DAMAGING WIND GUSTS BECOMING THE
MAIN THREATS AFTER 05Z.

..BROYLES/THOMPSON.. 04/11/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...FWD...OUN...SJT...LUB...AMA...MAF...

LAT...LON   33889683 34509658 35359682 35649751 35539885 35259980
            34580039 33330078 32640077 32170034 32449878 33889683 

Read more

from SPC Forecast Products http://ift.tt/GMINjD