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Mesoscale Discussion 1735 |
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MESOSCALE DISCUSSION 1735
NWS STORM PREDICTION CENTER NORMAN OK
0232 PM CDT MON JUL 25 2011
AREAS AFFECTED...ERN WY...WRN NEB PANHANDLE...NERN CO
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 251932Z - 252100Z
ISOLATED SVR WEATHER THREAT WILL ACCOMPANY AFTERNOON THUNDERSTORMS
MOVING E ACROSS THE HIGH PLAINS OF ERN WY...WRN NEB PANHANDLE...AND
NERN CO. DUE TO THE MARGINAL NATURE OF THE THREAT...A WW DOES NOT
APPEAR LIKELY.
LINE OF DEEPENING CUMULUS/ISOLATED THUNDERSTORMS IS OBSERVED IN VIS
SATELLITE IMAGERY LOCATED FROM DGW IN E-CNTRL WY TO THE FRONT RANGE
W OF DEN. AS THIS CONVECTION CONTINUES TO MATURE AND STRENGTHEN
DURING THE REMAINDER OF THE AFTERNOON...IT MAY MOVE DOWNSTREAM OFF
THE HIGHER TERRAIN AND INTO THE ADJACENT PLAINS AS THE BOUNDARY
LAYER FURTHER DESTABILIZES. THOUGH THE ATMOSPHERE WILL ONLY BE
WEAKLY TO MODERATELY UNSTABLE /MLCAPE VALUES AROUND 1000 J PER
KG/...VERY STEEP MIDLEVEL LAPSE RATES...VEERING WIND PROFILES /I.E.
LOW-LEVEL SELYS VEERING TO WLY IN THE MIDLEVELS/...AND A DRY
SUBCLOUD LAYER WILL FAVOR AN ISOLATED LARGE HAIL/DAMAGING WIND
THREAT.
..GARNER.. 07/25/2011
ATTN...WFO...UNR...PUB...BOU...CYS...
LAT...LON 39990583 41660604 42920584 43250462 42760333 40330327
38770478 39990583
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