Alert archive / Wyoming / High Wind Warnings in 2017
High Wind Warning 20, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Mar 16, 2017, 1:21 PM MDT for 4 counties in Wyoming. It was in force for 5 hr. 9 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
- Mar 16, 2017, 1:21 PM MDT (19:21 UTC)
- Expired
- Mar 16, 2017, 6:00 PM MDT
- In force
- 5 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 19:41 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 |
|---|---|---|---|
| Mar 16, 1:40 PM MDT | NON-TSTM WND GST 62 | 1 Nw I-80 Exit 279, WY | COOPER COVE WYDOT SITE. SUSTAINED AT 47 MPH. |
| Mar 16, 2:36 PM MDT | NON-TSTM WND GST 68 | 1 S I-25 Exit 100, WY | COLEMAN WYDOT SITE. SUSTAINED AT 48 MPH. |
| Mar 16, 2:40 PM MDT | NON-TSTM WND GST 50 | 3 Nw Arlington, WY | 41 MPH SUSTAINED |
| Mar 16, 2:41 PM MDT | NON-TSTM WND GST 58 | Arlington, WY | 43 MPH SUSTAINED |
| Mar 16, 2:50 PM MDT | NON-TSTM WND GST 57 | Bordeaux, WY | |
| Mar 16, 3:26 PM MDT | NON-TSTM WND GST 61 | Arlington, WY | ARLINGTON WYDOT SITE. SUSTAINED AT 46-50 MPH. |
| Mar 16, 3:30 PM MDT | NON-TSTM WND GST 65 | 5 Nw Arlington, WY | WAGONHOUND WYDOT SITE. SUSTAINED AT 55 MPH. |
| Mar 16, 3:55 PM MDT | NON-TSTM WND GST 60 | Elk Mountain, WY | 38 MPH SUSTAINED |
| Mar 16, 3:56 PM MDT | NON-TSTM WND GST 60 | Arlington, WY | 45 MPH SUSTAINED |
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, 7.4 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
- 2830 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
829 WWUS75 KCYS 161921 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 121 PM MDT Thu Mar 16 2017 ...STRONG WINDS IN THE ARLINGTON AND ELK MOUNTAIN AREAS CONTINUING THROUGH THIS AFTERNOON... WYZ110-170000- /O.NEW.KCYS.HW.W.0020.170316T1921Z-170317T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 121 PM MDT Thu Mar 16 2017 ...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect until 6 PM MDT this evening. * TIMING...Through 6 PM MST this evening. * WINDS...Southwest 40 to 50 MPH with gusts up to 60 MPH. * IMPACTS...Mainly to transportation. Travel will be hazardous for light weight and high profile vehicles, especially near Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. Strong cross winds will lead to a risk for vehicle blow overs. 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. && $$ HAMMER
2 follow-up statements
076 WWUS75 KCYS 162000 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 200 PM MDT Thu Mar 16 2017 ...STRONG WINDS CONTINUING THROUGH THIS AFTERNOON NEAR ARLINGTON AND ALONG INTERSTATE 25 BETWEEN CHUGWATER AND GLENDO... WYZ106-107-170000- /O.EXA.KCYS.HW.W.0020.000000T0000Z-170317T0000Z/ Central Laramie Range and Southwest Platte County- East Platte County- Including the cities of Bordeaux, Wheatland, and Guernsey 200 PM MDT Thu Mar 16 2017 ...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect until 6 PM MDT this evening. * TIMING...Through 6 PM MST this evening. * WINDS...Southwest 40 to 50 MPH with gusts up to 65 MPH. * IMPACTS...Mainly to transportation. Travel will be hazardous for light weight and high profile vehicles, especially near Arlington and Elk Mountain along Interstate 25 between Chugwater and Glendo. Strong cross winds will lead to a risk for vehicle blow overs. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ110-170000- /O.CON.KCYS.HW.W.0020.000000T0000Z-170317T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 200 PM MDT Thu Mar 16 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...Through 6 PM MST this evening. * WINDS...Southwest 40 to 50 MPH with gusts up to 65 MPH. * IMPACTS...Mainly to transportation. Travel will be hazardous for light weight and high profile vehicles, especially near Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. Strong cross winds will lead to a risk for vehicle blow overs. 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. && $$ HAMMER
960 WWUS75 KCYS 162358 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 558 PM MDT Thu Mar 16 2017 WYZ106-107-110-170100- /O.EXP.KCYS.HW.W.0020.000000T0000Z-170317T0000Z/ Central Laramie Range and Southwest Platte County- East Platte County-North Snowy Range Foothills- Including the cities of Bordeaux, Wheatland, Guernsey, Arlington, and Elk Mountain 558 PM MDT Thu Mar 16 2017 ...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING... Winds across the area have decreased below high wind thresholds, so will let the High Wind Warning expire at 6 pm. However, gusts of 40 to 50 mph will still be possible through midnight. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 2:39 AM MDT | Red Flag Warning | CYS | 16 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.