Alert archive / Wyoming / High Wind Warnings in 2017
High Wind Warning 9, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Mar 2, 2017, 1:47 PM MST for Fremont County, Hot Springs County, Park County, Wyoming. It took effect at Mar 3, 2017, 12:00 AM MST. It was in force for 12 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
- Mar 2, 2017, 1:47 PM MST (20:47 UTC)
- In effect from
- Mar 3, 2017, 12:00 AM MST
- Expired
- Mar 3, 2017, 12:00 PM MST
- In force
- 12 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Park County, WY
The radar
The Riverton/Lander radar (KRIW), 84 km from the middle of the area, began a volume at 20:52 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 12:00Z, 8.8 hours before the alert went out and 86 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
- 2066 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
072 WWUS75 KRIW 022047 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 147 PM MST Thu Mar 2 2017 ...HIGH WINDS RETURNING TO PORTIONS OF NORTHERN WYOMING... .A tightening pressure gradient and strong mid level winds mixing to the surface may bring more high wind to portions of the Absarokas and Cody Foothills late tonight and Friday morning. WYZ002-003-031000- /O.UPG.KRIW.HW.A.0008.170303T0700Z-170303T1900Z/ /O.NEW.KRIW.HW.W.0009.170303T0700Z-170303T1900Z/ Absaroka Mountains-Cody Foothills- Including the cities of Cody and Meeteetse 147 PM MST Thu Mar 2 2017 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST FRIDAY... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect from midnight tonight to noon MST Friday. The High Wind Watch is no longer in effect. * TIMING...Winds will increase this evening and may become strong late tonight and Friday morning before decreasing. * WINDS...West 25 to 40 mph with gusts to 60 to 65 mph in the Cody Foothills. West 35 to 50 mph with gusts to 75 mph in the Absarokas. * IMPACTS...Strong cross winds along highway 120 and Chief Joseph Highway may produce extreme blow over threat for trucks pulling lightweight and high profile trailers. Areas of blowing snow in the Absaroka Mountains may restrict visibility below an eighth of a mile at times. 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. && $$
2 follow-up statements
753 WWUS75 KRIW 030833 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 133 AM MST Fri Mar 3 2017 ...HIGH WINDS RETURNING TO PORTIONS OF NORTHERN WYOMING... .A tightening pressure gradient and strong mid level winds mixing to the surface will bring high wind to portions of the Absarokas and Cody Foothills this morning. WYZ002-003-031900- /O.CON.KRIW.HW.W.0009.000000T0000Z-170303T1900Z/ Absaroka Mountains-Cody Foothills- Including the cities of Cody and Meeteetse 133 AM MST Fri Mar 3 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * TIMING...Winds will remain strong through this morning before decreasing. * WINDS...West 25 to 40 mph with gusts to 60 to 65 mph in the Cody Foothills. West 35 to 50 mph with gusts to 75 mph in the Absarokas. A wind gust to 59 mph has already been recorded near Clark. * IMPACTS...Strong cross winds along highway 120 and Chief Joseph Highway may produce extreme blow over threat for trucks pulling lightweight and high profile trailers. Areas of blowing snow in the Absaroka Mountains may restrict visibility below an eighth of a mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
230 WWUS75 KRIW 031856 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1156 AM MST Fri Mar 3 2017 ...High winds over the Cody Foothills expected to diminish gradually through the afternoon... WYZ002-003-032000- /O.EXP.KRIW.HW.W.0009.000000T0000Z-170303T1900Z/ Absaroka Mountains-Cody Foothills- Including the cities of Cody and Meeteetse 1156 AM MST Fri Mar 3 2017 ...HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY... Strong winds occurred this morning over the Cody Foothills, especially in the vicinity of Clark. Winds gusted as high as 60 mph 8 miles south of Clark along Highway 121 at 9 am. There was also a gust of 83 mph just west of Clark at 10 am. The winds have diminished considerably over the Cody Foothills. Therefore, the high wind warning for the Cody Foothills has been allowed to expire. However, wind gusts as high as 40 mph are still occurring, even in the Cody area, and will likely persist through about 2 pm this afternoon. $$ TEAM RIVERTON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 1:01 AM MST | High Wind Watch | RIW | Fremont, Hot Springs, Park | 13 hr |
Nearby
High Wind Warnings in Wyoming, 2017Every high wind warning in 2017
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.