MESOSCALE DISCUSSION 1654
NWS STORM PREDICTION CENTER NORMAN OK
0715 PM CDT TUE JUL 13 2004
AREAS AFFECTED...SERN WY/WRN NEB
CONCERNING...SEVERE THUNDERSTORM WATCH 624...
VALID 140015Z - 140145Z
LATEST MESOANALYSIS PLACES FRONT N OF A CASPER/CHEYENNE/MCCOOK LINE.
STORMS ON THE N SIDE OF THE BOUNDARY ARE STRUGGLING DESPITE THE FACT
THEY ARE DEVELOPING IN A MODERATELY UNSTABLE AIRMASS WITH MLCAPE
VALUES NEAR 3000 J/KG. STORMS ARE FORMING ON THE NRN EDGE OF THE
RIDGE AXIS...AND PERHAPS ASSOCIATED SUBSIDENCE IS INHIBITING THEM.
ALSO...00Z LBF SOUNDING STILL SHOWS SOME AMOUNT OF CAPPING WITH WARM
LAYER AROUND 750MB. IF STORMS COULD BECOME ORGANIZED...RECENT
PROFILER DATA FROM MEDICINE BOW SHOW AROUND 40 KT OF DEEP LAYER
SHEAR.
..TAYLOR.. 07/14/2004
ATTN...WFO...LBF...BOU...CYS...
40520125 40910575 43120578 42650133
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