Alert archive / Wyoming / High Wind Warnings in 2018
High Wind Warning 9, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Feb 17, 2018, 3:19 AM MST for 7 counties in Wyoming. It took effect at Feb 17, 2018, 2:00 PM MST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2018, 3:19 AM MST (10:19 UTC)
- In effect from
- Feb 17, 2018, 2:00 PM MST
- Expired
- Feb 18, 2018, 5:00 AM MST
- In force
- 15 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 21 km from the middle of the area, began a volume at 10:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 10.3 hours before the alert went out and 19 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1711 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
563 WWUS75 KRIW 171019 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 319 AM MST Sat Feb 17 2018 ...Strong winds will occur over parts of Central Wyoming this afternoon through early Sunday morning... .Strong winds will develop, as a strong jet moves over the area. West-southwest winds will downslope off the Wind River Mountains, along with strong mid level winds mixing down to the surface across the Wind Corridor. The Cody Foothills may also see very strong winds tonight. WYZ019-020-172300- /O.UPG.KRIW.HW.A.0006.180217T2100Z-180218T1200Z/ /O.NEW.KRIW.HW.W.0009.180217T2100Z-180218T1200Z/ Green Mountains and Rattlesnake Range- Natrona County Lower Elevations- Including the cities of Jeffrey City and Casper 319 AM MST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST SUNDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect from 2 PM this afternoon to 5 AM MST Sunday. The High Wind Watch is no longer in effect. * TIMING...Southwest winds will increase this afternoon and become quite strong by this evening. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest winds of 25 to 35 mph with gusts of 60 mph possible. Southwest winds of 30 to 40 mph with gusts over 75 mph possible in the mountains. Even stronger winds over 70 mph are possible on Outer Drive in Casper. * IMPACTS...Travellers along Interstate 25 should prepare for very strong and erratic cross-winds. Travellers along highway 789/287/220 from South Pass to Casper should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ018-172300- /O.UPG.KRIW.HW.A.0006.180217T2100Z-180218T1200Z/ /O.NEW.KRIW.HW.W.0009.180217T2100Z-180218T1200Z/ Lander Foothills- Including the city of Lander 319 AM MST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST SUNDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect from 2 PM this afternoon to 5 AM MST Sunday. The High Wind Watch is no longer in effect. * TIMING...Southwest winds will increase this afternoon and become quite strong by this evening. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest winds of 25 to 35 mph with gusts of 60 mph possible. * IMPACTS...Travellers along highway 789/287 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ015-022-172300- /O.UPG.KRIW.HW.A.0006.180217T2100Z-180218T1200Z/ /O.NEW.KRIW.HW.W.0009.180217T2100Z-180218T1200Z/ Wind River Mountains East-Casper Mountain- 319 AM MST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST SUNDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect from 2 PM this afternoon to 5 AM MST Sunday. The High Wind Watch is no longer in effect. * TIMING...Southwest winds will increase this afternoon and become quite strong by this evening. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest winds of 30 to 40 mph with gusts over 75 mph possible. * IMPACTS...Travellers should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ016-172300- /O.NEW.KRIW.HW.W.0009.180217T2100Z-180218T1200Z/ Upper Wind River Basin- Including the city of Dubois 319 AM MST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST SUNDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect from 2 PM this afternoon to 5 AM MST Sunday. * TIMING...Southwest to west winds will increase this afternoon and become quite strong by this evening. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest to west winds of 25 to 35 mph with gusts up to 60 mph possible. * IMPACTS...Travellers along highway 26 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ005-172300- /O.EXA.KRIW.HW.A.0006.180218T0000Z-180218T1200Z/ Southwest Big Horn Basin- Including the city of Thermopolis 319 AM MST Sat Feb 17 2018 ...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... The National Weather Service in Riverton has issued a High Wind Watch, which is in effect from this afternoon through late tonight. * TIMING...West winds will increase across western portions of the county this evening, possibly becoming very strong later tonight. * WINDS...West 30 to 40 mph with gusts to 60 mph possible. * IMPACTS...Travellers along highway 120 between Meeteetse and Thermopolis should prepare for very strong and erratic cross- winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ WYZ011-172300- /O.EXA.KRIW.HW.A.0006.180218T0000Z-180218T1200Z/ Southeast Johnson County- Including the city of Kaycee 319 AM MST Sat Feb 17 2018 ...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... The National Weather Service in Riverton has issued a High Wind Watch, which is in effect from this afternoon through late tonight. * TIMING...Southwest winds will increase this evening and possibly become quite strong tonight. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest 30 to 40 mph with gusts to 60 mph possible. * IMPACTS...Travellers along Interstate 25 should prepare for very strong and erratic cross-winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ WYZ003-172300- /O.CON.KRIW.HW.A.0006.180218T0000Z-180218T1200Z/ Cody Foothills- Including the cities of Cody and Meeteetse 319 AM MST Sat Feb 17 2018 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... * TIMING...West winds will blow at times through the day today, but they may become very strong tonight. * WINDS...West 30 to 40 mph with gusts to 60 mph possible. Even stronger winds are possible near the mouth of any canyons. * IMPACTS...Travellers along highway 120 between Meeteetse and Clark should prepare for very strong and erratic cross-winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$
4 follow-up statements
064 WWUS75 KRIW 172117 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 217 PM MST Sat Feb 17 2018 ...Strong winds will occur over parts of Central Wyoming this afternoon through early Sunday morning... .Strong winds will develop, as a strong jet moves over the area. West-southwest winds will downslope off the Wind River Mountains, along with strong mid level winds mixing down to the surface across the Wind Corridor. The Cody Foothills may also see very strong winds tonight. WYZ003-181200- /O.UPG.KRIW.HW.A.0006.180218T0000Z-180218T1200Z/ /O.EXB.KRIW.HW.W.0009.180218T0000Z-180218T1200Z/ Cody Foothills- Including the cities of Cody and Meeteetse 217 PM MST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect until 5 AM MST Sunday. The High Wind Watch is no longer in effect. * TIMING...West winds will blow at times through the day today, but they may become very strong tonight. * WINDS...West 30 to 45 mph with gusts of 60 to 70 mph. Even stronger winds in excess of 80 mph are quite possible near the mouth of any canyons including Canyon Road west of Clark. * IMPACTS...Travellers along highway 120 between Meeteetse and Clark should prepare for very strong to extreme erratic cross- winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ005-181200- /O.UPG.KRIW.HW.A.0006.180218T0000Z-180218T1200Z/ /O.EXB.KRIW.HW.W.0009.180218T0000Z-180218T1200Z/ Southwest Big Horn Basin- Including the city of Thermopolis 217 PM MST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect until 5 AM MST Sunday. The High Wind Watch is no longer in effect. * TIMING...West winds will increase across western portions of the county this evening, becoming very strong later tonight. * WINDS...West 30 to 40 mph with gusts to 60 mph. * IMPACTS...Travellers along highway 120 between Meeteetse and Thermopolis should prepare for very strong and erratic cross- winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ011-181200- /O.UPG.KRIW.HW.A.0006.180218T0000Z-180218T1200Z/ /O.EXB.KRIW.HW.W.0009.180218T0000Z-180218T1200Z/ Southeast Johnson County- Including the city of Kaycee 217 PM MST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SUNDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect until 5 AM MST Sunday. The High Wind Watch is no longer in effect. * TIMING...Southwest winds will increase this evening and become quite strong tonight. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest 30 to 40 mph with gusts to 60 mph possible. * IMPACTS...Travellers along Interstate 25 should prepare for very strong and erratic cross-winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ019-020-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Green Mountains and Rattlesnake Range- Natrona County Lower Elevations- Including the cities of Jeffrey City and Casper 217 PM MST Sat Feb 17 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...Southwest winds will continue to increase into this evening. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest winds of 30 to 40 mph with gusts of 65 mph across the lower elevations with gusts over 70 mph on Outer Drive in Casper. * IMPACTS...Travellers along Interstate 25 should prepare for very strong and erratic cross-winds. Travellers along highway 789/287/220 from South Pass to Casper should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ018-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Lander Foothills- Including the city of Lander 217 PM MST Sat Feb 17 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...Southwest winds are still expected to become quite strong by this evening. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest winds of 25 to 35 mph with gusts of 60 mph. * IMPACTS...Travellers along highway 789/287 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ016-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Upper Wind River Basin- Including the city of Dubois 217 PM MST Sat Feb 17 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...Southwest to west winds will continue to increase into the evening hours and continue overnight. * WINDS...Southwest to west winds of 25 to 35 mph with gusts up to 60 mph possible. * IMPACTS...Travellers along highway 26 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ015-022-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Wind River Mountains East-Casper Mountain- 217 PM MST Sat Feb 17 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...Southwest winds will increase this afternoon and become quite strong by this evening. These winds will continue through the overnight hours, gradually decreasing before sunrise Sunday. * WINDS...Southwest winds of 35 to 50 mph with gusts over 75 mph. Even stronger gusts over 80 mph are possible along the east slope of the Wind River mountains. * IMPACTS...Travellers should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ Team Riverton
768 WWUS75 KRIW 180808 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 108 AM MST Sun Feb 18 2018 ...Strong winds will continue over parts of Central Wyoming through early this morning... .Strong winds will develop, as a strong jet moves over the area. West-southwest winds will downslope off the Wind River Mountains, along with strong mid level winds mixing down to the surface across the Wind Corridor. The Cody Foothills may also see very strong winds. WYZ019-020-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Green Mountains and Rattlesnake Range- Natrona County Lower Elevations- Including the cities of Jeffrey City and Casper 108 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest winds of 30 to 40 mph with gusts of 65 mph across the lower elevations with gusts over 70 mph on Outer Drive in Casper. * IMPACTS...Travellers along Interstate 25 should prepare for very strong and erratic cross-winds. Travellers along highway 789/287/220 from South Pass to Casper should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ018-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Lander Foothills- Including the city of Lander 108 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest winds of 25 to 35 mph with gusts of 60 mph. * IMPACTS...Travellers along highway 789/287 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ016-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Upper Wind River Basin- Including the city of Dubois 108 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong west winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest to west winds of 25 to 35 mph with gusts up to 60 mph possible. * IMPACTS...Travellers along highway 26 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ015-022-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Wind River Mountains East-Casper Mountain- 108 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest winds of 35 to 50 mph with gusts over 75 mph. Even stronger gusts over 80 mph are possible along the east slope of the Wind River mountains. * IMPACTS...Travellers should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ003-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Cody Foothills- Including the cities of Cody and Meeteetse 108 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong west to southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...West 30 to 45 mph with gusts of 60 to 70 mph. Even stronger winds in excess of 80 mph are quite possible near the mouth of any canyons including Canyon Road west of Clark. * IMPACTS...Travellers along highway 120 between Meeteetse and Clark should prepare for very strong to extreme erratic cross- winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ005-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Southwest Big Horn Basin- Including the city of Thermopolis 108 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong west to southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...West 30 to 40 mph with gusts to 60 mph. * IMPACTS...Travellers along highway 120 between Meeteetse and Thermopolis should prepare for very strong and erratic cross- winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ011-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Southeast Johnson County- Including the city of Kaycee 108 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest 30 to 40 mph with gusts to 60 mph possible. * IMPACTS...Travellers along Interstate 25 should prepare for very strong and erratic cross-winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
236 WWUS75 KRIW 181041 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 341 AM MST Sun Feb 18 2018 ...Strong winds will continue over parts of Central Wyoming through early this morning... .Strong winds will develop, as a strong jet moves over the area. West-southwest winds will downslope off the Wind River Mountains, along with strong mid level winds mixing down to the surface across the Wind Corridor. WYZ003-005-011-181145- /O.CAN.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Cody Foothills-Southwest Big Horn Basin-Southeast Johnson County- Including the cities of Cody, Meeteetse, Thermopolis, and Kaycee 341 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Riverton has cancelled the High Wind Warning. A cold front was moving across the area early this morning with winds shifting to the north, ending the threat of high winds. $$ WYZ019-020-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Green Mountains and Rattlesnake Range- Natrona County Lower Elevations- Including the cities of Jeffrey City and Casper 341 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest winds of 30 to 40 mph with gusts of 65 mph across the lower elevations with gusts over 70 mph on Outer Drive in Casper. * IMPACTS...Travellers along Interstate 25 should prepare for very strong and erratic cross-winds. Travellers along highway 789/287/220 from South Pass to Casper should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ018-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Lander Foothills- Including the city of Lander 341 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest winds of 25 to 35 mph with gusts of 60 mph. * IMPACTS...Travellers along highway 789/287 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ016-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Upper Wind River Basin- Including the city of Dubois 341 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong west winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest to west winds of 25 to 35 mph with gusts up to 60 mph possible. * IMPACTS...Travellers along highway 26 should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ015-022-181200- /O.CON.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Wind River Mountains East-Casper Mountain- 341 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * TIMING...Strong southwest winds will continue through the early morning hours, gradually decreasing around sunrise. * WINDS...Southwest winds of 35 to 50 mph with gusts over 75 mph. Even stronger gusts over 80 mph are possible along the east slope of the Wind River mountains. * IMPACTS...Travellers should prepare for very strong winds, along with possibly blowing/drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
488 WWUS75 KRIW 181206 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 506 AM MST Sun Feb 18 2018 WYZ015-016-018>020-022-181315- /O.EXP.KRIW.HW.W.0009.000000T0000Z-180218T1200Z/ Wind River Mountains East-Upper Wind River Basin-Lander Foothills- Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain- Including the cities of Dubois, Lander, Jeffrey City, and Casper 506 AM MST Sun Feb 18 2018 ...HIGH WIND WARNING HAS EXPIRED... A cold front was approaching the area from the north early this morning, and west to southwest winds will be on a decreasing trend as the front closes in this morning. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 2:59 AM MST | Winter Storm Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 3 more | 65 hr |
| Feb 17, 2:34 PM MST | Winter Weather Advisory | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 53 hr |
Nearby
High Wind Warnings in Wyoming, 2018Every high wind warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.