Alert archive / Utah / Wind Advisories in 2021
Wind Advisory 19, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this wind advisory at Apr 24, 2021, 11:30 AM MDT for 5 counties in Utah. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 24, 2021, 11:30 AM MDT (17:30 UTC)
- Expired
- Apr 24, 2021, 8:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Salt Lake City, UT
Counties Beaver County, UT, Iron County, UT, Juab County, UT, Millard County, UT, Washington County, UT
The radar
The Cedar City radar (KICX), 100 km from the middle of the area, began a volume at 17:31 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 12:00Z, 5.5 hours before the alert went out and 281 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
- 3028 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
424 WWUS75 KSLC 241730 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 1130 AM MDT Sat Apr 24 2021 UTZ115-122-250130- /O.NEW.KSLC.WI.Y.0019.210424T1730Z-210425T0200Z/ /O.CON.KSLC.HW.A.0003.210425T1700Z-210426T0400Z/ Western Millard and Juab Counties-Southwest Utah- Including the cities of Delta, Little Sahara, Beaver, Cedar City, and Milford 1130 AM MDT Sat Apr 24 2021 ...WIND ADVISORY IN EFFECT UNTIL 8 PM MDT THIS EVENING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... * WHAT...For the Wind Advisory, southwest winds 20 to 30 mph with gusts to 50 mph. For the High Wind Watch, southwest winds 25 to 35 mph with gusts over 55 mph possible. * WHERE...Western Millard and Juab Counties and Southwest Utah. * WHEN...For the Wind Advisory, until 8 PM MDT this evening. For the High Wind Watch, from Sunday morning through Sunday evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult especially for high profile vehicles. 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. A High Wind Watch means there is the potential for a hazardous high wind event. Sustained wind speeds of at least 40 mph or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ UTZ116-250130- /O.NEW.KSLC.WI.Y.0019.210424T1730Z-210425T0200Z/ Eastern Juab/Millard Counties- Including the cities of Nephi, Scipio, and Fillmore 1130 AM MDT Sat Apr 24 2021 ...WIND ADVISORY IN EFFECT UNTIL 8 PM MDT THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts to 50 mph. * WHERE...Eastern Juab/Millard Counties. * WHEN...Until 8 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained wind speeds of at least 31 mph or gusts of 45 mph are expected. Motorists in the advisory area should be prepared for sudden gusty cross winds which can make driving difficult. && $$ 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
1 follow-up statement
147 WWUS75 KSLC 242056 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 256 PM MDT Sat Apr 24 2021 UTZ115-122-250600- /O.UPG.KSLC.HW.A.0003.210425T1700Z-210426T0400Z/ /O.NEW.KSLC.HW.W.0005.210425T1700Z-210426T0400Z/ /O.CON.KSLC.WI.Y.0019.000000T0000Z-210425T0200Z/ Western Millard and Juab Counties-Southwest Utah- Including the cities of Delta, Little Sahara, Beaver, Cedar City, and Milford 256 PM MDT Sat Apr 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... ...HIGH WIND WARNING IN EFFECT FROM 11 AM TO 10 PM MDT SUNDAY... * WHAT...For the High Wind Warning, southwest winds 30 to 40 mph with gusts in excess of 55 mph expected. For the Wind Advisory, southwest winds 20 to 30 mph with gusts to 55 mph. * WHERE...Western Millard and Juab Counties and Southwest Utah. * WHEN...For the High Wind Warning, from 11 AM to 10 PM MDT Sunday. For the Wind Advisory, until 8 PM MDT this evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles. Reduced visibility in blowing dust is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. 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. 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. && $$ UTZ116-250600- /O.NEW.KSLC.WI.Y.0020.210425T1700Z-210426T0400Z/ /O.CON.KSLC.WI.Y.0019.000000T0000Z-210425T0200Z/ Eastern Juab/Millard Counties- Including the cities of Nephi, Scipio, and Fillmore 256 PM MDT Sat Apr 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 11 AM TO 10 PM MDT SUNDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 55 mph. * WHERE...Eastern Juab/Millard Counties. * WHEN...Until 8 PM MDT this evening. For Sunday, from 11 AM to 10 PM MDT. * IMPACTS...Gusty winds could blow around unsecured objects. A few power outages are possible. Reduced visibility in blowing dust is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. A Wind Advisory means that sustained wind speeds of at least 31 mph or gusts of 45 mph are expected. Motorists in the advisory area should be prepared for sudden gusty cross winds which can make driving difficult. && $$ UTZ121-123-124-128>131-250600- /O.NEW.KSLC.WI.Y.0020.210425T1700Z-210426T0400Z/ San Rafael Swell-Lower Washington County-Zion National Park- South Central Utah-Capitol Reef National Park and Vicinity- Western Canyonlands-Glen Canyon Recreation Area/Lake Powell- Including the cities of Green River, Goblin Valley, St George, Hurricane, Ivins, Springdale, Kanab, Escalante, Loa, Torrey, Hanksville, Big Water, and Bullfrog 256 PM MDT Sat Apr 24 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM TO 10 PM MDT SUNDAY... * WHAT...Southwest winds 20 to 30 mph with gusts to 55 mph expected. * WHERE...San Rafael Swell, Lower Washington County, Zion National Park, South Central Utah, Capitol Reef National Park and Vicinity, Western Canyonlands and Glen Canyon Recreation Area/Lake Powell. * WHEN...From 11 AM to 10 PM MDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. A few power outages are possible. Reduced visibility in blowing dust and sand is possible. Those recreating on lakes and reservoirs such as Quail Creek, Sand Hollow, and Lake Powell may experience rough conditions, particularly during the afternoon and evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. 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 24, 3:53 AM MDT | High Wind Watch | SLC | Beaver, Iron, Juab, Millard, Washington | 11 hr |
| Apr 24, 2:56 PM MDT | High Wind Warning | SLC | Beaver, Iron, Juab, Millard, Washington | 31 hr |
| Apr 24, 2:56 PM MDT | Wind Advisory | SLC | Emery, Garfield, Iron, Juab, Kane, Millard and 4 more | 54 hr |
| Apr 24, 3:06 PM MDT | Winter Storm Watch | SLC | Box Elder, Cache, Davis, Duchesne, Juab, Morgan and 6 more | 20 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.