SWOMCD
SPC MCD 010343
TNZ000-MOZ000-ARZ000-MSZ000-LAZ000-TXZ000-OKZ000-010445-
MESOSCALE DISCUSSION 0435
NWS STORM PREDICTION CENTER NORMAN OK
1043 PM CDT FRI APR 30 2010
AREAS AFFECTED...EXTREME NERN TX/EXTREME SERN OK/CENTRAL-ERN AR/MO
BOOTHEEL
CONCERNING...TORNADO WATCH 118...
VALID 010343Z - 010445Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 118 CONTINUES.
DANGEROUS TORNADO SITUATION CONTINUES ACROSS SWRN-SRN INTO CENTRAL
AND ERN AR...WITH LONG-TRACK...STRONG TORNADOES EXPECTED TO CONTINUE
AND REMAIN LIKELY THROUGH THE LATE EVENING TO THE EARLY OVERNIGHT
HOURS.
IN ADDITION TO TORNADIC SUPERCELLS LOCATED ALONG THE COLD FRONT OVER
SWRN AND NERN AR...REGIONAL RADARS SHOWED SEVERAL /4-5/ DISCRETE
TORNADIC SUPERCELLS TRACKING NEWD FROM DALLAS COUNTY AR TO JACKSON
COUNTY AR. THESE LATTER STORMS ARE LOCATED ALONG A PRE-FRONTAL
CONFLUENCE ZONE. ENVIRONMENT ACROSS PDS TORNADO WATCH 118 REMAINS
VERY CONDUCIVE FOR TORNADOES GIVEN MODERATE INSTABILITY...STRONG LOW
LEVEL /SFC-1 KM 30-40 KT/ AND EFFECTIVE BULK SHEAR /40-60 KT/...AND
LOW LCLS /500-800 M/.
..PETERS.. 05/01/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...PAH...MEG...JAN...LZK...SHV...FWD...
LAT...LON 36448959 34789037 33519127 33019215 32899422 32999528
33749532 34259450 34789364 34879325 35689269 36479203
36448959
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