800
ACUS11 KWNS 102127
SWOMCD
SPC MCD 102127
IAZ000-MOZ000-102230-
MESOSCALE DISCUSSION 1073
NWS STORM PREDICTION CENTER NORMAN OK
0427 PM CDT WED JUN 10 2026
AREAS AFFECTED...PORTIONS OF NORTHERN MISSOURI AND SOUTHERN IOWA
CONCERNING...TORNADO WATCH 303...305...
VALID 102127Z - 102230Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 303, 305 CONTINUES.
SUMMARY...MULTIPLE TORNADIC SUPERCELLS ARE ONGOING ACROSS NORTHERN
MO AND SOUTHERN IA. THE ENVIRONMENT REMAINS VERY FAVORABLE FOR
TORNADOES, SOME OF WHICH COULD BE STRONG TO INTENSE.
DISCUSSION...RECENT RADAR IMAGERY AND STORM REPORTS SHOW SEVERAL
TORNADIC SUPERCELLS ARE ONGOING ACROSS NORTHERN MO AND SOUTHERN IA
IN TORNADO WATCHES 303 AND 305. THE ENVIRONMENT DOWNSTREAM OF THESE
STORMS IS MODIFYING IN THE WAKE OF AN EARLIER MCS AND REMAINS HIGHLY
CONDUCIVE FOR SUPERCELLS AND TORNADOES. BACKED LOW-LEVEL FLOW AND
DEEP VEERING ALONG THE MODIFIED BOUNDARY IS SUPPORTING STP VALUES OF
3-4. A RECENT, LIKELY STRONG TORNADO (VROT 50+ KT AND TDS > 10K FT),
OVER PUTNAM COUNTY, MO CONFIRMS THE ENVIRONMENT IS SUPPORTIVE OF
STRONG TO INTENSE TORNADOES AND WILL LIKELY REMAIN SO INTO THE EARLY
EVENING.
..LYONS.. 06/10/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...LSX...DVN...DMX...EAX...
LAT...LON 40949367 41039213 40789149 40219150 39899197 39849242
39859311 39879377 39979421 40129428 40409418 40949367
MOST PROBABLE PEAK TORNADO INTENSITY...120-145 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...2.00-3.50 IN
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