Tuesday, August 14, 2007

MESO: Mesoscale Discussion 1756

ACUS11 KWNS 142354
SWOMCD
SPC MCD 142354
IAZ000-MOZ000-NEZ000-SDZ000-150100-

MESOSCALE DISCUSSION 1756
NWS STORM PREDICTION CENTER NORMAN OK
0654 PM CDT TUE AUG 14 2007

AREAS AFFECTED...NERN NEB...IA

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 142354Z - 150100Z

MOIST MID LEVEL TRAJECTORY ACROSS THE CNTRL ROCKIES...EWD THROUGH
NRN NEB INTO CNTRL IA IS FAIRLY CONVECTIVE THIS EVENING. THIS MOIST
PLUME IS COINCIDENT WITH STEEP LAPSE RATES ALONG NRN PERIPHERY OF
UPPER RIDGE WHERE MODEST HIGH LEVEL FLOW IS SUFFICIENTLY VENTING
UPDRAFTS. OVERALL THOUGH...LOW LEVEL CONVERGENCE IS QUITE WEAK
WITHIN POST FRONTAL AIR MASS AND THIS APPEARS TO BE ONE LIMITING
FACTOR IN CONVECTIVE ORGANIZATION. LATEST THINKING IS ACTIVITY OVER
THIS REGION WILL STRUGGLE AT TIMES AND PRODUCE LITTLE MORE THAN
MARGINAL SEVERE HAIL OR GUSTY WINDS.

.DARROW.. 08/14/2007

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

ATTN...WFO...DVN...DMX...EAX...FSD...OAX...

42899682 42349275 40689165 40299315 41299513 42179732

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