[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 212029
SWOMCD
SPC MCD 212029 
AZZ000-212300-

MESOSCALE DISCUSSION 1417
NWS STORM PREDICTION CENTER NORMAN OK
0329 PM CDT TUE JUN 21 2005

AREAS AFFECTED...SOUTHERN AND CENTRAL ARIZONA

CONCERNING...CONVECTIVE TRENDS 

VALID 212029Z - 212300Z

STRONG HEATING COUPLED WITH THE PRESENCE OF MID LEVEL MOIST PLUME
ACROSS ARIZONA SETTING THE STAGE FOR DEVELOPMENT OF VERY HIGH BASED
THUNDERSTORMS. BASED ON 18Z PHX SOUNDING AND  T/TD SPREADS OF 60F
DEGREES AT THE SURFACE...STRONG/SEVERE DOWNDRAFTS ARE LIKELY TO BE
ASSOCIATED WITH ANY THUNDERSTORM THAT CAN DEVELOP AND MOVE OVER THE
HOT DESERT VALLEYS.  CONVECTION CURRENTLY FORMING OVER THE MOUNTAINS
VICINITY OF TUS SHOULD PROPAGATE NWWD INTO DESERT VALLEYS AND
POSSIBLY AFFECT AS FAR N AS SALT RIVER VALLEY BY THIS EVENING.

..HALES.. 06/21/2005

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

ATTN...WFO...TWC...FGZ...PSR...VEF...

34931360 34731263 34341157 33931087 32951029 32340998
31361009 31421139 32431272 33291367 34301380 

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