440
NWUS55 KRIW 240423
LSRRIW

Preliminary Local Storm Report...Summary
National Weather Service Riverton WY
1023 PM MDT Sun Aug 23 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0634 PM     Tstm Wnd Gst     5 NW Riverton           43.07N 108.47W
08/23/2026  M58 MPH          Fremont            WY   ASOS

            ASOS station KRIW Riverton Airport (ASOS).
            Winds were generated in the wake of an
            outflow boundary.

0650 PM     Tstm Wnd Gst     19 ESE Riverton         42.91N 108.03W
08/23/2026  M55 MPH          Fremont            WY   Mesonet

            Mesonet station PC633 Poston Ranch Rd (PC).
            Wind gust due to an outflow boundary.

0935 PM     Tstm Wnd Gst     2 NW Greybull           44.52N 108.08W
08/23/2026  M55 MPH          Big Horn           WY   ASOS

            ASOS station KGEY Greybull Airport (ASOS).
            Wind gust likely caused by an outflow
            boundary.


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