National Weather Service Raw Text Product

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PIL:
Start UTC Date @0z:
End UTC Date @0z:
945 
ACUS11 KWNS 090228
SWOMCD
SPC MCD 090227 
ILZ000-WIZ000-IAZ000-MOZ000-090400-

MESOSCALE DISCUSSION 0869
NWS STORM PREDICTION CENTER NORMAN OK
0927 PM CDT THU MAY 08 2003

AREAS AFFECTED...SRN-CENTRAL INTO ERN IA/CENTRAL-NRN IL/NERN MO

CONCERNING...SEVERE THUNDERSTORM WATCH 310...312...

VALID 090227Z - 090400Z

ELEVATED SUPERCELLS WITH VERY LARGE HAIL WILL CONTINUE TO BE A
THREAT FOR THE NEXT SEVERAL HOURS OVER PORTIONS OF SRN-CENTRAL INTO
ERN IA/NERN MO AND INTO CENTRAL/NRN IL.

02Z SURFACE ANALYSIS SHOWS A SURFACE LOW OVER NERN KS WITH A WARM
FRONT EXTENDING SEWD AT OR JUST NORTH OF MKC TO SOUTH OF COU AND
THEN EWD INTO SRN IL.  STRONG SURFACE PRESSURE FALLS ARE INDICATED
OVER ERN IA...SUGGESTING THE SURFACE LOW WILL TRACK NEWD INTO SWRN
IA...WITH THE WARM FRONT LIFTING NWD TO THE MO/IA BORDER AND CENTRAL
IL BY 06Z.  A 50-60 KT SSWLY LLJ EXTENDING FROM ERN OK/AR NWD INTO
SRN IA WILL CONTINUE TO ADVECT ELEVATED INSTABILITY NWD ABOVE THE
COOLER BOUNDARY LAYER IN PLACE OVER IA/NERN MO INTO CENTRAL/NRN IL. 
STRONG DEEP LAYER SHEAR AND THE DEGREE OF ELEVATED INSTABILITY WILL
RESULT IN A CONTINUED THREAT FOR LARGE HAIL.

..PETERS.. 05/09/2003

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

ATTN...WFO...LOT...ILX...MKX...LSX...DVN...ARX...DMX...EAX...OAX...

40689523 42079523 42719430 42538892 39508797 39469323
40499362 
000 
ACUS11 KWNS 090228
SWOMCD
SPC MCD 090227 
ILZ000-WIZ000-IAZ000-MOZ000-090400-

MESOSCALE DISCUSSION 0869
NWS STORM PREDICTION CENTER NORMAN OK
0927 PM CDT THU MAY 08 2003

AREAS AFFECTED...SRN-CENTRAL INTO ERN IA/CENTRAL-NRN IL/NERN MO

CONCERNING...SEVERE THUNDERSTORM WATCH 310...312...

VALID 090227Z - 090400Z

ELEVATED SUPERCELLS WITH VERY LARGE HAIL WILL CONTINUE TO BE A
THREAT FOR THE NEXT SEVERAL HOURS OVER PORTIONS OF SRN-CENTRAL INTO
ERN IA/NERN MO AND INTO CENTRAL/NRN IL.

02Z SURFACE ANALYSIS SHOWS A SURFACE LOW OVER NERN KS WITH A WARM
FRONT EXTENDING SEWD AT OR JUST NORTH OF MKC TO SOUTH OF COU AND
THEN EWD INTO SRN IL.  STRONG SURFACE PRESSURE FALLS ARE INDICATED
OVER ERN IA...SUGGESTING THE SURFACE LOW WILL TRACK NEWD INTO SWRN
IA...WITH THE WARM FRONT LIFTING NWD TO THE MO/IA BORDER AND CENTRAL
IL BY 06Z.  A 50-60 KT SSWLY LLJ EXTENDING FROM ERN OK/AR NWD INTO
SRN IA WILL CONTINUE TO ADVECT ELEVATED INSTABILITY NWD ABOVE THE
COOLER BOUNDARY LAYER IN PLACE OVER IA/NERN MO INTO CENTRAL/NRN IL. 
STRONG DEEP LAYER SHEAR AND THE DEGREE OF ELEVATED INSTABILITY WILL
RESULT IN A CONTINUED THREAT FOR LARGE HAIL.

..PETERS.. 05/09/2003

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

ATTN...WFO...LOT...ILX...MKX...LSX...DVN...ARX...DMX...EAX...OAX...

40689523 42079523 42719430 42538892 39508797 39469323
40499362