MD 0600 CONCERNING SEVERE THUNDERSTORM WATCH 147… FOR WRN/CNTRL KS…NWRN OK
MESOSCALE DISCUSSION 0600
NWS STORM PREDICTION CENTER NORMAN OK
0741 PM CDT TUE MAY 07 2013
AREAS AFFECTED...WRN/CNTRL KS...NWRN OK
CONCERNING...SEVERE THUNDERSTORM WATCH 147...
VALID 080041Z - 080215Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 147
CONTINUES.
SUMMARY...SEVERAL SUPERCELLS SHOULD CONTINUE TO POSE A RISK OF LARGE
HAIL AND ISOLATED SEVERE WINDS NEXT COUPLE OF HOURS. OVERALL THREAT
SHOULD DIMINISH AFTER DARK. DOWNSTREAM WW ISSUANCE IS NOT
ANTICIPATED ATTM.
DISCUSSION...SUPERCELLS WITH A HISTORY OF QUARTER TO GOLF BALL-SIZED
HAIL REPORTS SHOULD CONTINUE TO GRADUALLY TRACK E/SEWD IN THE NEXT
COUPLE OF HOURS. THE GREATEST EFFECTIVE SHEAR WILL REMAIN ACROSS SRN
KS/NRN OK WHERE 00Z DDC RAOB AND HAVILAND KS PROFILER DEPICT LARGE
CYCLONIC HODOGRAPHS WITH SUBSTANTIAL VEERING OF THE WIND PROFILE
WITH HEIGHT. DESPITE STRENGTHENING OF THE LLJ THIS
EVENING...DOWNSTREAM AIR MASS IS ONLY MEAGERLY UNSTABLE WITH SBCAPE
IN THE 00Z OUN RAOB OF AROUND 400 J/KG. A POCKET OF SLIGHTLY HIGHER
SURFACE DEW POINTS /IN THE LOWER 50S/ HAS HELD IN PARTS OF FAR
N-CNTRL OK INTO S-CNTRL KS AND THIS MAY YIELD A BIT LONGER
SUSTAINABILITY OF SEVERE TSTMS. NEVERTHELESS...RELATIVELY DRY
BOUNDARY LAYER AND INCREASE IN MLCIN THROUGH THE EVENING SHOULD
PROVE DETRIMENTAL TO TSTM INTENSITY AFTER DARK.
..GRAMS.. 05/08/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ICT...OUN...GID...DDC...GLD...
LAT...LON 39269954 39189878 37479817 36209811 35879867 36149971
37540007 38890016 39269954
via SPC Forecast Products http://www.spc.noaa.gov/products/md/md0600.html
Be First to Comment