[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 210700
SWOMCD
SPC MCD 210700 
OKZ000-TXZ000-211000-

MESOSCALE DISCUSSION 1364
NWS STORM PREDICTION CENTER NORMAN OK
0200 AM CDT MON JUN 21 2004

AREAS AFFECTED...NRN THROUGH E CNTRL OK

CONCERNING...HEAVY RAINFALL 

VALID 210700Z - 211000Z

HEAVY RAIN WITH RATES LOCALLY 1.5 TO 2 INCHES PER HOUR EXPECTED TO
PERSIST IN A NARROW BAND ACROSS NRN OK...GRADUALLY SPREADING EWD AND
SWD THROUGH EARLY MORNING.

THIS MORNING AN E-W CONVECTIVE OUTFLOW BOUNDARY EXTENDS FROM NWRN OK
S OF GAGE EWD TO S OF STILLWATER. THE ATMOSPHERE S OF THIS BOUNDARY
IS MODERATELY UNSTABLE AND A SWLY 40 KT LOW LEVEL JET WILL CONTINUE
TO SUSTAIN THIS ACTIVITY THROUGH THETA-E ADVECTION AND ISENTROPIC
ASCENT ABOVE THE OUTFLOW. THE STORMS WILL SPREAD EAST WITH TIME AND
SOME SWD DEVELOPMENT MIGHT ALSO OCCUR AS THE COLD POOL FORCES THE
OUTFLOW BOUNDARY FARTHER SWD. TRAINING CELLS ALONG AND N OF THE
OUTFLOW BOUNDARY WILL CONTINUE TO PROMOTE HEAVY RAIN THROUGH THE
EARLY MORNING. MARGINALLY SEVERE HAIL MIGHT ALSO ACCOMPANY THE
STRONGER STORMS.

..DIAL.. 06/21/2004

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

ATTN...WFO...TSA...OUN...AMA...

36340004 36499734 36029526 34989561 35319732 35579881
35729990 

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