Alert archive / Utah / Wind Advisories in 2021
Wind Advisory 13, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this wind advisory at Apr 12, 2021, 2:47 AM MDT for 4 counties in Utah. It took effect at Apr 13, 2021, 12:00 AM MDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2021, 2:47 AM MDT (08:47 UTC)
- In effect from
- Apr 13, 2021, 12:00 AM MDT
- Expired
- Apr 13, 2021, 12:00 PM MDT
- In force
- 12 hr
- 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 08:52 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
Salt Lake City I, UT (KSLC), launched 00:00Z, 8.8 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
- 3062 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
608 WWUS75 KSLC 120847 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 247 AM MDT Mon Apr 12 2021 UTZ103-104-107-122200- /O.NEW.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 247 AM MDT Mon Apr 12 2021 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT TUESDAY... * WHAT...East winds 20 to 30 mph with gusts to 50 mph expected. * WHERE...Eastern Box Elder County, Weber and Davis Counties and the Cache Valley. The strongest winds can be expected in the typical downslope areas of Centerville, Farmington, and Weber Canyon as well as near canyons in the Brigham City area and near Logan Canyon. * WHEN...From midnight tonight to noon MDT Tuesday. * IMPACTS...Secure outdoor furniture, trampolines and other objects that may become airborne in strong winds. Strong crosswinds are possible 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. * ADDITIONAL DETAILS...Another round of strong and gusty winds is possible Tuesday night into Wednesday morning. These winds may be stronger than Monday night into Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
4 follow-up statements
703 WWUS75 KSLC 122056 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 256 PM MDT Mon Apr 12 2021 UTZ103-104-107-131200- /O.CON.KSLC.WI.Y.0013.210413T0600Z-210413T1800Z/ Eastern Box Elder County-Northern Wasatch Front- Cache Valley/Utah Portion- Including the cities of Brigham City, Snowville, Ogden, Bountiful, Logan, and Smithfield 256 PM MDT Mon Apr 12 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT TUESDAY... * WHAT...East winds 20 to 30 mph with gusts to 50 mph expected. * WHERE...Eastern Box Elder County, Weber and Davis Counties and the Cache Valley. The strongest winds can be expected in the typical downslope areas of Centerville, Farmington, and Weber Canyon as well as near canyons in the Brigham City area and near Logan Canyon. * WHEN...From midnight tonight to noon MDT Tuesday. * IMPACTS...Secure outdoor furniture, trampolines and other objects that may become airborne in strong winds. Strong crosswinds are possible on I-15 from Brigham City to North Salt Lake, the Legacy Parkway and US-89 mainly in Weber, Davis and far southeastern Box Elder County. * ADDITIONAL DETAILS...Another round of strong and gusty winds is likely Tuesday night into Wednesday morning. These winds may be stronger than tonight into Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ 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
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
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
598 WWUS75 KSLC 131455 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 855 AM MDT Tue Apr 13 2021 UTZ104-132300- /O.UPG.KSLC.WI.Y.0013.000000T0000Z-210413T1800Z/ /O.NEW.KSLC.HW.W.0004.210413T1455Z-210413T1800Z/ /O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/ Northern Wasatch Front- Including the cities of Ogden and Bountiful 855 AM MDT Tue Apr 13 2021 ...HIGH WIND WARNING IN EFFECT UNTIL NOON MDT TODAY... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...For the first High Wind Warning through noon today, east winds 25 to 35 mph with gusts in excess of 60 mph. For the second High Wind Warning from 6 PM this evening until noon Wednesday, east winds 30 to 40 mph with gusts in excess of 65 mph expected. * WHERE...Northern Wasatch Front, especially the I-15 corridor and the US-89 corridor between Farmington and South Weber. * WHEN...For the first High Wind Warning, until noon MDT today. For the second 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 to south running routes including I-15, US-89, and the Legacy Parkway. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ UTZ103-107-132300- /O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1800Z/ /O.CON.KSLC.WI.Y.0013.000000T0000Z-210413T1800Z/ Eastern Box Elder County-Cache Valley/Utah Portion- Including the cities of Brigham City, Snowville, Logan, and Smithfield 855 AM MDT Tue Apr 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT WEDNESDAY... * WHAT...For the High Wind Warning from 6 PM today until noon Wednesday, east winds 30 to 40 mph with gusts in excess of 70 mph expected. For the Wind Advisory through noon today, east winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Cache Valley/Utah Portion and Eastern Box Elder County, particularly the I-15 corridor. * WHEN...For the High Wind Warning, from 6 PM this evening to noon MDT Wednesday. For the Wind Advisory, until noon MDT today. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles. * ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm equipment, and other objects that may become airborne in strong winds. Strong crosswinds are expected on north to south running routes including I-15, US-89, and US-91. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ UTZ109-132300- /O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/ Bear Lake and Bear River Valley- Including the cities of Woodruff, Randolph, and Garden City 855 AM MDT Tue Apr 13 2021 ...HIGH WIND WARNING REMAINS 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...Bear Lake and Bear River Valley. * 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 to south running routes. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ WYZ021-132300- /O.CON.KSLC.HW.W.0003.210414T0000Z-210414T1500Z/ Southwest Wyoming- Including the cities of Evanston and Lyman 855 AM MDT Tue Apr 13 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MDT WEDNESDAY... * WHAT...East winds 30 to 40 mph with gusts in excess of 60 mph expected. * WHERE...Southwest Wyoming. The strongest winds will be in western Uinta county. * WHEN...From 6 PM this evening to 9 AM MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles. * ADDITIONAL DETAILS...Secure outdoor furniture, trampolines, farm equipment, and other objects that may become airborne in strong winds. Strong crosswinds are expected on north to south running routes. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ UTZ108-132300- /O.CON.KSLC.WI.Y.0014.210414T0000Z-210414T1500Z/ Wasatch Back- Including the cities of Huntsville, Park City, and Heber City 855 AM MDT Tue Apr 13 2021 ...WIND ADVISORY REMAINS 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 to south running routes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ 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 12, 2:51 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Kane and 3 more | 54 hr |
Nearby
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.