SWOMCD
SPC MCD 102302
OKZ000-TXZ000-110030-
MESOSCALE DISCUSSION 0445
NWS STORM PREDICTION CENTER NORMAN OK
0602 PM CDT TUE APR 10 2007
AREAS AFFECTED...PARTS OF CNTRL/SRN OK
CONCERNING...SEVERE THUNDERSTORM WATCH 121...
VALID 102302Z - 110030Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 121
CONTINUES.
80 KT 500 MB WEST NORTHWESTERLY MID-LEVEL JET STREAK CONTINUES TO
DIG ACROSS THE SOUTH CENTRAL ROCKIES. THE LEADING EDGE OF STRONGER
MID-LEVEL COOLING/LIFT IN LEFT EXIT REGION OF THIS FEATURE IS NOW
SPREADING ACROSS WESTERN OKLAHOMA...WHERE LOW-LEVEL WARM ADVECTION
IS FOCUSING STRONGER LIFT ALONG WARM FRONT NORTH/NORTHEAST OF
SURFACE LOW. DEEP LAYER SHEAR IS STRONG AND SUPPORTIVE OF
SUPERCELLS...BUT CONVECTIVE DEVELOPMENT TO THIS POINT APPEARS TO
HAVE BEEN SLOWED BY WEAK INSTABILITY.
HOWEVER...ACTIVITY NEXT FEW HOURS WILL CONTINUE TO DEVELOP EAST
SOUTHEASTWARD WITH STRONGER FORCING TOWARD BETTER LOW-LEVEL MOIST
RETURN FLOW...EAST OF LAWTON/ WICHITA FALLS. THUS...
INTENSIFICATION OF THUNDERSTORM ACTIVITY STILL SEEMS PROBABLE IN
INCREASINGLY UNSTABLE ENVIRONMENT ACROSS SOUTH CENTRAL OKLAHOMA
THROUGH AT LEAST THE 01-02Z. A FEW SEVERE STORMS ARE
POSSIBLE...PRIMARILY WITH LARGE HAIL/GUSTY WINDS.
.KERR.. 04/10/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FWD...OUN...
35049869 35109830 34929765 34599709 33999713 33849768
34059836 34599874
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