Alert archive / Utah / Wind Advisories in 2021
Wind Advisory 16, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this wind advisory at Apr 16, 2021, 2:53 PM MDT for Davis County, Weber County, Utah. It took effect at Apr 16, 2021, 9:00 PM MDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2021, 2:53 PM MDT (20:53 UTC)
- In effect from
- Apr 16, 2021, 9:00 PM MDT
- Expired
- Apr 17, 2021, 12:00 PM MDT
- In force
- 15 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 20:53 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, 8.9 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
- 692 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
124 WWUS75 KSLC 162053 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 253 PM MDT Fri Apr 16 2021 UTZ104-171300- /O.NEW.KSLC.WI.Y.0016.210417T0300Z-210417T1800Z/ Northern Wasatch Front- Including the cities of Ogden and Bountiful 253 PM MDT Fri Apr 16 2021 ...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT SATURDAY... * WHAT...East 25 to 35 mph with gusts in the 45 to 55 mph range. Isolated locations near the mouths of Weber and Farmington Canyons may be briefly gust higher than 55 mph. * WHERE...Northern Wasatch Front. * WHEN...From 9 PM this evening to noon MDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. A few power outages are possible. * ADDITIONAL DETAILS...Anticipate strong crosswind conditions along portions of I-15, the Legacy Parkway, and US-89. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
2 follow-up statements
372 WWUS75 KSLC 170902 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 302 AM MDT Sat Apr 17 2021 UTZ104-171715- /O.CON.KSLC.WI.Y.0016.000000T0000Z-210417T1800Z/ Northern Wasatch Front- Including the cities of Ogden and Bountiful 302 AM MDT Sat Apr 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... * WHAT...East 25 to 35 mph with gusts in the 45 to 55 mph range. Isolated locations near the mouths of Weber and Farmington Canyons may be briefly gust higher than 55 mph. * WHERE...Northern Wasatch Front. * WHEN...Until noon MDT today. * IMPACTS...Gusty winds could blow around unsecured objects. A few power outages are possible. * ADDITIONAL DETAILS...Anticipate strong crosswind conditions along portions of I-15, the Legacy Parkway, and US-89. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ 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
177 WWUS75 KSLC 171822 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 1222 PM MDT Sat Apr 17 2021 UTZ104-171930- /O.EXP.KSLC.WI.Y.0016.000000T0000Z-210417T1800Z/ Northern Wasatch Front- Including the cities of Ogden and Bountiful 1222 PM MDT Sat Apr 17 2021 ...WIND ADVISORY HAS EXPIRED... Winds have decreased below advisory levels and thus the advisory has been allowed to expire. Another period of easterly winds are possible tonight over ridges and near canyon mouths, but 10-15 mph less than the event this morning and below advisory-level impacts. $$
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.