ACUS11 KWNS 170959
SWOMCD
MESOSCALE DISCUSSION 1034
NWS STORM PREDICTION CENTER NORMAN OK
0458 AM CDT TUE JUN 17 2014
AREAS AFFECTED...FAR S WI/N IL
CONCERNING...TORNADO WATCH 310...
VALID 170958Z - 171100Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 310 CONTINUES.
SUMMARY...ENHANCED RISK FOR DAMAGING WINDS AND BRIEF TORNADOES
EVIDENT WITH FAST-MOVING MCV ALONG THE WI/IL BORDER.
DISCUSSION...BOWING MCV FROM GREEN COUNTY WI TO OGLE COUNTY IL HAS
ACCELERATED ITS FORWARD SPEED TO AROUND 60-65 KT. CURRENT
EXTRAPOLATION WOULD CROSS THE I-94 CORRIDOR NEAR 1130Z. KMKX HAS
SAMPLED WIDESPREAD INBOUND VELOCITIES AOA 50 KT AOA 2500 FT AGL.
GIVEN THE RAPID MOTION OF THE LINE AMIDST 35-45 KT 0-1 KM
SHEAR...SEVERE WIND GUSTS WOULD APPEAR PROBABLE WITHIN THE BOWING
PORTION OF THE MCV...WITH TRANSIENT MESOVORTICES OCCASIONALLY
TIGHTENING UP WITHIN THE COMMA-HEAD.
..GRAMS.. 06/17/2014
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GRR...LOT...MKX...
LAT...LON 43298802 43238630 42878604 42578605 42178642 41878741
41828844 41998899 42608916 42878921 43078906 43298802
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