Alert archive / Utah / Wind Advisories in 2021
Wind Advisory 18, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this wind advisory at Apr 21, 2021, 7:28 AM MDT for Davis County, Weber County, Utah. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 21, 2021, 7:28 AM MDT (13:28 UTC)
- Expired
- Apr 21, 2021, 12:00 PM MDT
- In force
- 5 hr
- Issued by
- NWS Salt Lake City, UT
Counties Davis County, UT, Weber County, UT
The radar
The Salt Lake City radar (KMTX), 39 km from the middle of the area, began a volume at 13:25 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, 1.5 hours before the alert went out and 40 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
- 2457 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
582 WWUS75 KSLC 211328 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 728 AM MDT Wed Apr 21 2021 UTZ104-211800- /O.NEW.KSLC.WI.Y.0018.210421T1328Z-210421T1800Z/ Northern Wasatch Front- Including the cities of Ogden and Bountiful 728 AM MDT Wed Apr 21 2021 ...WIND ADVISORY IN EFFECT UNTIL NOON MDT TODAY... * WHAT...East to northeast winds 20 to 30 mph gusts to 55 mph. * WHERE...Northern Wasatch Front. Strongest winds can be expected in the Farmington, Centerville and Bountiful areas. * WHEN...Until noon MDT today. * IMPACTS...Gusty winds could blow around unsecured objects. Strong crosswinds are possible on I-15, US-89 and Legacy Parkway. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
1 follow-up statement
322 WWUS75 KSLC 211756 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 1156 AM MDT Wed Apr 21 2021 UTZ104-211900- /O.EXP.KSLC.WI.Y.0018.000000T0000Z-210421T1800Z/ Northern Wasatch Front- Including the cities of Ogden and Bountiful 1156 AM MDT Wed Apr 21 2021 ...WIND ADVISORY WILL EXPIRE AT NOON MDT TODAY... A few wind gusts to 50 mph will be possible through 1 PM in the Farmington and Centerville areas, with a few gusts to 45 mph in the remainder of Davis and Weber Counties. Wind gusts will decrease further across all areas by mid-afternoon. $$ 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
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.