Alert archive / Wyoming / High Wind Warnings in 2017
High Wind Warning 33, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Nov 21, 2017, 2:34 PM MST for 4 counties in Wyoming. It took effect at Nov 21, 2017, 11:00 PM MST. It was in force for 10 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 21, 2017, 2:34 PM MST (21:34 UTC)
- In effect from
- Nov 21, 2017, 11:00 PM MST
- Expired
- Nov 22, 2017, 9:16 AM MST
- In force
- 10 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 21:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 22, 4:35 AM MST | HIGH SUST WINDS 40 | 10 Wsw Cheyenne, WY | MILE POST 353 WYDOT SENSOR. AVERAGE SUSTAINED WINDS OVER PAST HOUR ENDING AT 435 AM MST. PEAK GUST 55 MPH. |
| Nov 22, 4:35 AM MST | HIGH SUST WINDS 40 | Vedauwoo, WY | VEDAUWOO WYDOT SENSOR. AVERAGE SUSTAINED WINDS OVER PAST HOUR ENDING AT 435 AM MST. PEAK GUST 57 MPH. |
| Nov 22, 5:40 AM MST | HIGH SUST WINDS 40 | 6 Wnw Buford, WY | THIS IS WYDOT SITE VEDAWOO. |
| Nov 22, 6:00 AM MST | HIGH SUST WINDS 41 | Arlington, WY | ARLINGTON WYDOT SENSOR. AVERAGE SUSTAINED WINDS OVER PAST HOUR ENDING AT 600 AM MST. PEAK GUST 56 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 9.6 hours before the alert went out and 278 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
- 1063 m above ground
- 0-6 km bulk shear
- 107 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
281 WWUS75 KCYS 212134 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 234 PM MST Tue Nov 21 2017 ...Winds Will Increase Again Late Tonight and Wednesday Morning For Wind Prone Areas of Southeast Wyoming... WYZ106-116-117-221100- /O.UPG.KCYS.HW.A.0027.171122T0700Z-171122T1900Z/ /O.NEW.KCYS.HW.W.0033.171122T1100Z-171122T1900Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 234 PM MST Tue Nov 21 2017 ...HIGH WIND WARNING IN EFFECT FROM 4 AM TO NOON MST WEDNESDAY... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect from 4 AM to noon MST Wednesday. The High Wind Watch is no longer in effect. * TIMING...Winds will increase late tonight and peak during the morning hours on Wednesday. * WINDS...Sustained winds to 40 mph with gusts over 60 mph possible. * IMPACTS...Mainly to transportation on Interstate 80 and 25 across southeast Wyoming. Blow off and blow over risk for lightweight and high profile vehicles. 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. && $$
3 follow-up statements
853 WWUS75 KCYS 220414 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 914 PM MST Tue Nov 21 2017 ...Winds Will Increase Again Tonight and Wednesday Morning For Wind Prone Areas of Southeast Wyoming... WYZ106-116-117-221215- /O.EXT.KCYS.HW.W.0033.171122T0600Z-171122T1900Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 914 PM MST Tue Nov 21 2017 ...HIGH WIND WARNING NOW IN EFFECT UNTIL NOON MST WEDNESDAY... * TIMING...Wind speeds will continue to increase tonight and peak during the morning hours on Wednesday. * WINDS...Sustained winds to 40 mph with gusts over 60 mph possible. * IMPACTS...Mainly to transportation on Interstate 80 and 25 across southeast Wyoming. Blow off and blow over risk for lightweight and high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
374 WWUS75 KCYS 220505 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1005 PM MST Tue Nov 21 2017 ...Winds Will Increase Again Tonight and Wednesday Morning For Wind Prone Areas of Southeast Wyoming... WYZ110-221315- /O.EXA.KCYS.HW.W.0033.171122T0600Z-171122T1900Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1005 PM MST Tue Nov 21 2017 ...HIGH WIND WARNING IN EFFECT UNTIL NOON MST WEDNESDAY... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect until noon MST Wednesday. * TIMING...Wind speeds will continue to increase tonight and peak during the morning hours on Wednesday. * WINDS...Sustained winds to 40 mph with gusts over 60 mph possible. * IMPACTS...Mainly to transportation on Interstate 80 and 25 across southeast Wyoming. Blow off and blow over risk for lightweight and high profile vehicles. 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. && $$ WYZ106-116-117-221315- /O.CON.KCYS.HW.W.0033.171122T0600Z-171122T1900Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1005 PM MST Tue Nov 21 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST WEDNESDAY... * TIMING...Wind speeds will continue to increase tonight and peak during the morning hours on Wednesday. * WINDS...Sustained winds to 40 mph with gusts over 60 mph possible. * IMPACTS...Mainly to transportation on Interstate 80 and 25 across southeast Wyoming. Blow off and blow over risk for lightweight and high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
013 WWUS75 KCYS 221616 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 916 AM MST Wed Nov 22 2017 WYZ106-110-116-117-221730- /O.CAN.KCYS.HW.W.0033.000000T0000Z-171122T1900Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills-South Laramie Range- South Laramie Range Foothills- Including the cities of Bordeaux, Arlington, Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 916 AM MST Wed Nov 22 2017 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Cheyenne has cancelled the High Wind Warning. Winds have diminished over the area this morning and high winds are no longer expected. Some gusts around 50 mph are still possible this morning mainly near the summit area along Interstate 80. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 2:05 AM MST | Winter Weather Advisory | CYS | Albany, Carbon, Laramie | 7 hr |
| Nov 21, 3:00 AM MST | High Wind Watch | CYS | Albany, Laramie, Platte | 12 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.