Alert archive / Utah / High Wind Watches in 2021
High Wind Watch 2, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this high wind watch at Apr 12, 2021, 8:12 PM MDT for 4 counties in Utah. It took effect at Apr 13, 2021, 12:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 12, 2021, 8:12 PM MDT (02:12 UTC)
- In effect from
- Apr 13, 2021, 12:00 PM MDT
- Expired
- Apr 13, 2021, 2:47 AM MDT
- In force
- Issued by
- NWS Salt Lake City, UT
Counties Box Elder County, UT, Cache County, UT, Davis County, UT, Weber County, UT
The radar
The Salt Lake City radar (KMTX), 23 km from the middle of the area, began a volume at 02:13 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
Salt Lake City I, UT (KSLC), launched 00:00Z, 2.2 hours before the alert went out and 71 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
- 3040 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
262 WWUS75 KSLC 130212 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 812 PM MDT Mon Apr 12 2021 UTZ103-104-107-131015- /O.NEW.KSLC.HW.A.0002.210413T1800Z-210414T1800Z/ /O.CON.KSLC.WI.Y.0013.210413T0600Z-210413T1800Z/ Eastern Box Elder County-Northern Wasatch Front- Cache Valley/Utah Portion- Including the cities of Brigham City, Snowville, Ogden, Bountiful, Logan, and Smithfield 812 PM MDT Mon Apr 12 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT TUESDAY... ...HIGH WIND WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY MORNING... * WHAT...For the Wind Advisory, east winds 20 to 30 mph with gusts up to 50 mph expected. For the High Wind Watch, east winds 30 to 40 mph with gusts to 70 mph or higher possible, especially for the Cache Valley and Eastern Box Elder County. * WHERE...Eastern Box Elder County, Northern Wasatch Front and Cache Valley/Utah Portion. For the High Wind Watch, strongest winds are expected over the Cache Valley and eastern Box Elder County. * WHEN...For the Wind Advisory, from midnight tonight to noon MDT Tuesday. For the High Wind Watch, from Tuesday afternoon through Wednesday morning. * IMPACTS...Secure outdoor furniture, trampolines and other objects that may become airborne in strong winds. Strong crosswinds are expected on I-15 from Brigham City to North Salt Lake, the Legacy Parkway and US-89 mainly in Weber, Davis and far southeastern Box Elder County. Also, very strong cross winds are possible on US-89 and US-91 through the Cache Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
1 follow-up statement
918 WWUS75 KSLC 130847 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 247 AM MDT Tue Apr 13 2021 Two separate wind events will impact portions of northern Utah. The first will continue through this morning. The next, stronger event will begin this evening and continue through Wednesday morning. UTZ103-107-132300- /O.UPG.KSLC.HW.A.0002.210413T1800Z-210414T1800Z/ /O.NEW.KSLC.HW.W.0003.210414T0000Z-210414T1800Z/ /O.CON.KSLC.WI.Y.0013.000000T0000Z-210413T1800Z/ Eastern Box Elder County-Cache Valley/Utah Portion- Including the cities of Brigham City, Snowville, Logan, and Smithfield 247 AM MDT Tue Apr 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...Through noon today: east winds 20 to 30 with gusts up to 50 mph. From 6 PM this evening until noon Wednesday, for the High Wind Warning, east winds 30 to 40 mph with gusts in excess of 65 mph expected. * WHERE...Eastern Box Elder County, particularly the I-15 corridor, and Cache Valley/Utah Portion. * WHEN...For the Wind Advisory, until noon MDT today. For the High Wind Warning, from 6 PM this evening to noon MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles. * ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm equipment and other objects that may become airborne in strong winds. Strong crosswinds are expected on north south running routes including I-15, US-89 and US-91. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or is occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. Vehicles, especially high profile vehicles, can be difficult to control at times in high winds. Motorists should take extra caution, especially while crossing bridges, overpasses, and unsheltered areas. && $$ UTZ104-132300- /O.UPG.KSLC.HW.A.0002.210413T1800Z-210414T1800Z/ /O.NEW.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/ /O.CON.KSLC.WI.Y.0013.000000T0000Z-210413T1800Z/ Northern Wasatch Front- Including the cities of Ogden and Bountiful 247 AM MDT Tue Apr 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...Through noon today: east winds 20 to 30 with gusts up to 50 mph. From 6 PM this evening until 9 AM Wednesday, for the High Wind Warning, east winds 30 to 40 mph with gusts in excess of 60 mph expected. * WHERE...Northern Wasatch Front. * WHEN...For the Wind Advisory, until noon MDT today. For the High Wind Warning, from 6 PM this evening to 9 AM MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles. * ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm equipment and other objects that may become airborne in strong winds. Strong crosswinds are expected on north south running routes including I-15, US-89 and the Legacy Parkway. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or is occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. Vehicles, especially high profile vehicles, can be difficult to control at times in high winds. Motorists should take extra caution, especially while crossing bridges, overpasses, and unsheltered areas. && $$ UTZ109-132300- /O.NEW.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/ Bear Lake and Bear River Valley- Including the cities of Woodruff, Randolph, and Garden City 247 AM MDT Tue Apr 13 2021 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...East winds 30 to 40 mph with gusts in excess of 60 mph expected. * WHERE...Primarily the Bear River Valley. Winds will likely be less in the Bear Lake area. * WHEN...From 6 PM this evening to 9 AM MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles. * ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm equipment and other objects that may become airborne in strong winds. Strong crosswinds are expected on north south running routes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or is occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. Vehicles, especially high profile vehicles, can be difficult to control at times in high winds. Motorists should take extra caution, especially while crossing bridges, overpasses, and unsheltered areas. && $$ WYZ021-132300- /O.NEW.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/ Southwest Wyoming- Including the cities of Evanston and Lyman 247 AM MDT Tue Apr 13 2021 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...East winds 30 to 40 mph with gusts in excess of 60 mph expected. * WHERE...Southwest Wyoming. The strongest winds will be in western Uinta County. * WHEN...From 6 PM this evening to 9 AM MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles. * ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm equipment and other objects that may become airborne in strong winds. Strong crosswinds are expected on north south running routes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or is occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. Vehicles, especially high profile vehicles, can be difficult to control at times in high winds. Motorists should take extra caution, especially while crossing bridges, overpasses, and unsheltered areas. && $$ UTZ108-132300- /O.NEW.KSLC.WI.Y.0014.210414T0000Z-210414T1500Z/ Wasatch Back- Including the cities of Huntsville, Park City, and Heber City 247 AM MDT Tue Apr 13 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...East winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Wasatch Back, mainly north of I-80. * WHEN...From 6 PM this evening to 9 AM MDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. A few power outages are possible. * ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm equipment and other objects that may become airborne in strong winds. Strong crosswinds are expected on north south running routes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 31 mph or gusts of 45 mph are expected. Motorists in the advisory area should be prepared for sudden gusty cross winds which can make driving difficult. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 2:47 AM MDT | High Wind Warning | SLC | Box Elder, Cache, Davis, Rich, Weber | 33 hr |
| Apr 13, 2:47 AM MDT | Wind Advisory | SLC | Morgan, Salt Lake, Summit, Wasatch, Weber | 30 hr |
| Apr 13, 8:55 AM MDT | High Wind Warning | SLC | Davis, Weber | 3 hr |
Nearby
High Wind Watches in Utah, 2021Every high wind watch in 2021
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.