WUUS55 KGJT 182129 SVRGJT COC085-113-182200- /O.NEW.KGJT.SV.W.0014.230918T2129Z-230918T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Grand Junction CO 329 PM MDT Mon Sep 18 2023 The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... Northwestern San Miguel County in southwestern Colorado... Southwestern Montrose County in west central Colorado... * Until 400 PM MDT. * At 328 PM MDT, a severe thunderstorm was located 10 miles northeast of Slick Rock, or 25 miles east of La Sal, moving east at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of northwestern San Miguel and southwestern Montrose Counties. This includes the following highways... Colorado 90 between mile markers 18 and 32. Colorado 141 between mile markers 64 and 70. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail and damaging winds and continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3815 10890 3829 10891 3833 10861 3812 10861 TIME...MOT...LOC 2128Z 267DEG 19KT 3822 10881 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ BGB