SWOMCD
SPC MCD 050057
AZZ000-050200-
MESOSCALE DISCUSSION 1685
NWS STORM PREDICTION CENTER NORMAN OK
0757 PM CDT FRI JUL 04 2008
AREAS AFFECTED...PARTS OF CENTRAL/SRN AZ
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 050057Z - 050200Z
ISOLATED DAMAGING WIND GUSTS WILL BE POSSIBLE INTO THE EVENING
ATTENDANT TO ONGOING TSTMS AND NEW DEVELOPMENT IN THE VICINITY OF
AND W OF PHX METRO AREA.
REGIONAL RADARS SHOWED OUTFLOW BOUNDARIES...ATTENDANT TO TSTMS
EXTENDING FROM CENTRAL YAVAPAI TO WRN GILA COUNTIES...AND THEN SWD
TO NRN PINAL COUNTY...CONTINUING TO PROPAGATE SWD AND WWD...
RESPECTIVELY. A DEEPLY MIXED BOUNDARY LAYER IN THE VICINITY OF AND
W OF PHX METRO AREA...SURFACE DEWPOINT DEPRESSIONS AROUND 50 AND 0-3
KM LAPSE RATES AROUND 9.5 C/KM...WILL PROMOTE THE POTENTIAL FOR
LOCALLY STRONG TO SEVERE WIND GUSTS AS ACTIVITY PROPAGATES INTO THE
VALLEY/DESERT. 00Z SOUNDING AT PHX INDICATED WEAK MID LEVEL FLOW
WHICH SHOULD PRECLUDE AN INCREASE IN STORM ORGANIZATION...WITH THE
MAIN THREAT BEING DUE TO THERMODYNAMICLY ENHANCED WIND THREAT.
..PETERS.. 07/05/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...TWC...FGZ...PSR...
34011248 33991188 33901152 33311136 32831139 32701190
32561269 32651321 33141324 33531332 33921327 34391301
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