384
NWUS53 KARX 202118
LSRARX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
418 PM CDT MON APR 20 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0417 PM TORNADO 3 SE POSTVILLE 43.06N 91.53W
04/17/2026 CLAYTON IA NWS STORM SURVEY
CHASER VIDEO SHOWED A BRIEF TORNADO
SOUTHEAST OF POSTVILLE. THIS TORNADO IS NOT
KNOWN TO HAVE ENCOUNTERED ANY DAMAGE
INDICATORS. THEREFORE, WE ARE UNABLE TO
ASSIGN THE TORNADO A NUMERICAL RATING AT
THIS TIME. THIS LOCATION AND PATH ARE
SUBJECT TO CHANGE PENDING RECEIPT OF
ADDITIONAL INFORMATION AND HIGH-RESOLUTION
SATELLITE IMAGERY.
APF
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