Alert archive / Wyoming / High Wind Warnings in 2018
High Wind Warning 2, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Jan 8, 2018, 12:37 PM MST for Fremont County, Natrona County, Sweetwater County, Wyoming. It took effect at Jan 8, 2018, 9:00 PM MST. It was in force for 26 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
- Jan 8, 2018, 12:37 PM MST (19:37 UTC)
- In effect from
- Jan 8, 2018, 9:00 PM MST
- Expired
- Jan 9, 2018, 10:49 PM MST
- In force
- 26 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Natrona County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 65 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 62 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
- 2380 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
512 WWUS75 KRIW 081937 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1237 PM MST Mon Jan 8 2018 ...High Winds Possible From Beaver Rim to Casper Area Tonight through Tuesday Evening.... .Southwest winds are expected to increase ahead of an approaching cold front today and tonight. High winds with gusts over 60 mph will be possible this evening through Tuesday evening. Winds are expected to diminish Wednesday morning as the cold front closes in. WYZ019-091000- /O.UPG.KRIW.HW.A.0001.180109T0400Z-180110T0700Z/ /O.NEW.KRIW.HW.W.0002.180109T0400Z-180110T0700Z/ Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 1237 PM MST Mon Jan 8 2018 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO MIDNIGHT MST TUESDAY NIGHT... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect from 9 PM this evening to midnight MST Tuesday night. The High Wind Watch is no longer in effect. * TIMING...Southwest winds will gradually increase through the day today. After 9 pm this evening, high winds will be possible. These high winds could persist through midnight Tuesday night. * WINDS...Southwest winds of 35 to 45 mph along with gusts of 55 to 65 mph possible. * IMPACTS...Dangerous cross winds may cause a blow over risk along area highways, including Highways 287 and 122. High profile vehicles are especially at risk for a blow over. 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. && $$ WYZ020-091000- /O.UPG.KRIW.HW.A.0001.180109T0400Z-180110T0700Z/ /O.NEW.KRIW.HW.W.0002.180109T0400Z-180110T0700Z/ Natrona County Lower Elevations- Including the city of Casper 1237 PM MST Mon Jan 8 2018 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO MIDNIGHT MST TUESDAY NIGHT... The National Weather Service in Riverton has issued a High Wind Warning, which is in effect from 9 PM this evening to midnight MST Tuesday night. The High Wind Watch is no longer in effect. * TIMING...Southwest winds will gradually increase through the day today. After 9 pm this evening, high winds will be possible. These high winds could persist through midnight Tuesday night. * WINDS...A south southwest wind gusts of 50 mph have already been observed along Outer Drive today. Southwest winds of 35 to 45 mph along with gusts of 55 to 65 mph possible. * IMPACTS...Dangerous cross winds may cause a blow over risk along area highways, including Outer Drive just south of Casper. High profile vehicles are especially at risk for a blow over. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
4 follow-up statements
336 WWUS75 KRIW 090323 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 823 PM MST Mon Jan 8 2018 ...High Winds Likely From Beaver Rim to the Casper Area through Tuesday Evening.... .Strong winds aloft and a strong pressure gradient will result in high winds across southeast Fremont into Natrona counties tonight through Tuesday evening. Winds are expected to diminish Wednesday morning as the cold front pulls across the area. WYZ019-091130- /O.CON.KRIW.HW.W.0002.180109T0400Z-180110T0700Z/ Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 823 PM MST Mon Jan 8 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TUESDAY NIGHT... * TIMING...Tonight through midnight Tuesday night, with the most widespread high winds occurring during the day Tuesday. * WINDS...Southwest winds of 35 to 45 mph along with gusts of 55 to 65 mph. * IMPACTS...Mainly to transportation. Enhanced blow over risk for light and high profile vehicles especially along highway 287, 789. 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. && $$ WYZ020-091130- /O.CON.KRIW.HW.W.0002.180109T0400Z-180110T0700Z/ Natrona County Lower Elevations- Including the city of Casper 823 PM MST Mon Jan 8 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TUESDAY NIGHT... * TIMING...Tonight through midnight Tuesday night, with the most widespread high winds occurring during the day Tuesday. * WINDS...Southwest 25 to 40 mph with gusts 50 to 60 mph. Localized higher gusts are expected along Outer Drive on the south side of Casper. * IMPACTS...Dangerous cross winds may cause a blow over risk along area highways, including Outer Drive on the south side of Casper. High profile vehicles are especially at risk for a blow over. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ TEAM RIVERTON/21
262 WWUS75 KRIW 090933 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 233 AM MST Tue Jan 9 2018 ...High Winds Likely From Beaver Rim to Casper Area through this evening.... .Strong winds aloft and a strong pressure gradient will result in high winds across southeast Fremont into Natrona County today through this evening. Winds are expected to diminish Wednesday morning as the cold front pulls across the area. WYZ019-092300- /O.CON.KRIW.HW.W.0002.000000T0000Z-180110T0700Z/ Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 233 AM MST Tue Jan 9 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * TIMING...Today through midnight tonight, with the most widespread high winds occurring during the day today. * WINDS...Southwest winds of 35 to 45 mph along with gusts of 55 to 65 mph. * IMPACTS...Mainly to transportation. Enhanced blow over risk for light and high profile vehicles especially along highway 287, 789. 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. && && $$ WYZ020-092300- /O.CON.KRIW.HW.W.0002.000000T0000Z-180110T0700Z/ Natrona County Lower Elevations- Including the city of Casper 233 AM MST Tue Jan 9 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * TIMING...Today through midnight tonight, with the most widespread high winds occurring during the day today. * WINDS...Southwest 25 to 40 mph with gusts 50 to 60 mph. Localized higher gusts are expected along Outer Drive on the south side of Casper. Winds have already gusted to 49 mph along Outer Drive at 1240 am this morning. * IMPACTS...Dangerous cross winds may cause a blow over risk along area highways, including Outer Drive on the south side of Casper. High profile vehicles are especially at risk for a blow over. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ TEAM RIVERTON
452 WWUS75 KRIW 092122 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 222 PM MST Tue Jan 9 2018 ...High Winds Likely From Beaver Rim to Casper Area through this evening.... .Strong winds aloft and a strong pressure gradient will result in high winds across southeast Fremont into Natrona County today through this evening. Winds are expected to diminish Wednesday morning as the cold front pulls across the area. WYZ019-100700- /O.CON.KRIW.HW.W.0002.000000T0000Z-180110T0700Z/ Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 222 PM MST Tue Jan 9 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * TIMING...Today through midnight tonight, with the most widespread high winds occurring during the day today. * WINDS...Southwest winds of 25 to 40 mph along with gusts of 45 to 60 mph. * IMPACTS...Mainly to transportation. Enhanced blow over risk for light and high profile vehicles especially along highway 287, 789. 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. && && $$ WYZ020-100700- /O.CON.KRIW.HW.W.0002.000000T0000Z-180110T0700Z/ Natrona County Lower Elevations- Including the city of Casper 222 PM MST Tue Jan 9 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * TIMING...Today through midnight tonight, with the most widespread high winds occurring during the day today. * WINDS...Southwest 25 to 40 mph with gusts 50 to 60 mph. Localized higher gusts are expected along Outer Drive on the south side of Casper. Winds have already gusted to over 60 mph along Outer Drive this afternoon. * IMPACTS...Dangerous cross winds may cause a blow over risk along area highways, including Outer Drive on the south side of Casper. High profile vehicles are especially at risk for a blow over. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
660 WWUS75 KRIW 100549 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 1049 PM MST Tue Jan 9 2018 WYZ019-020-100700- /O.CAN.KRIW.HW.W.0002.000000T0000Z-180110T0700Z/ Green Mountains and Rattlesnake Range- Natrona County Lower Elevations- Including the cities of Jeffrey City and Casper 1049 PM MST Tue Jan 9 2018 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Riverton has cancelled the High Wind Warning. Widespread high wind conditions are no longer occurring. Therefore the high wind warning has been cancelled. Expect areas of southwest wind of 25 to 35 mph with gusts to 45 mph overnight. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 2:33 AM MST | High Wind Watch | RIW | Fremont, Natrona, Sweetwater | 10 hr |
| Jan 8, 2:41 AM MST | Winter Storm Watch | RIW | Fremont, Lincoln, Sublette, Teton | 10 hr |
| Jan 8, 12:30 PM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 48 hr |
| Jan 8, 12:30 PM MST | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Teton | 48 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.