Alert archive / Utah / Wind Advisories in 2021
Wind Advisory 28, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this wind advisory at Sep 19, 2021, 2:59 AM MDT for Utah County, Utah. It took effect at Sep 19, 2021, 2:00 PM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 19, 2021, 2:59 AM MDT (08:59 UTC)
- In effect from
- Sep 19, 2021, 2:00 PM MDT
- Expired
- Sep 19, 2021, 8:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Salt Lake City, UT
County Utah County, UT
The radar
The Salt Lake City radar (KMTX), 143 km from the middle of the area, began a volume at 09:02 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, 9.0 hours before the alert went out and 76 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
- 53 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 2225 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
763 WWUS75 KSLC 190859 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 259 AM MDT Sun Sep 19 2021 UTZ106-200000- /O.UPG.KSLC.HW.A.0006.210919T2100Z-210920T0600Z/ /O.NEW.KSLC.WI.Y.0028.210919T2000Z-210920T0200Z/ Utah Valley- Including the cities of Lehi, Provo, and Payson 259 AM MDT Sun Sep 19 2021 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 to 50 mph expected. * WHERE...Utah Valley, mainly over Utah Lake and areas north of Provo. * WHEN...From 2 PM this afternoon to 8 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. A few power outages are possible. * ADDITIONAL DETAILS...Gusty northwest winds will create hazardous driving conditions along east to west oriented roadways, especially for high profile vehicles. Areas of blowing dust will also be possible, creating a reduction in visibility. Strong winds will also create dangerous boating conditions on Utah Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ UTZ107-108-118-200000- /O.NEW.KSLC.HZ.A.0002.210921T0600Z-210921T1500Z/ Cache Valley/Utah Portion-Wasatch Back-Sanpete Valley- Including the cities of Logan, Smithfield, Huntsville, Park City, Heber City, Manti, Ephraim, and Mt Pleasant 259 AM MDT Sun Sep 19 2021 ...HARD FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures as low as 27 possible. * WHERE...Cache Valley/Utah Portion, Wasatch Back and Sanpete Valley. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ 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
3 follow-up statements
995 WWUS75 KSLC 191521 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 921 AM MDT Sun Sep 19 2021 UTZ106-200200- /O.CON.KSLC.WI.Y.0028.210919T2000Z-210920T0200Z/ Utah Valley- Including the cities of Lehi, Provo, and Payson 921 AM MDT Sun Sep 19 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING... * WHAT...North winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Utah Valley, mainly north of Provo. * WHEN...From 2 PM this afternoon to 8 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Strong cross-winds are expected on east-west routes in the area including Pioneer Crossing. Rough conditions are expected on Utah Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ UTZ109-126-200300- /O.EXA.KSLC.HZ.A.0002.210921T0600Z-210921T1500Z/ Bear Lake and Bear River Valley-Upper Sevier River Valleys- Including the cities of Woodruff, Randolph, Garden City, Panguitch, Circleville, and Koosharem 921 AM MDT Sun Sep 19 2021 ...HARD FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures in the low to mid 20s are possible. * WHERE...Bear Lake and Bear River Valley and Upper Sevier River Valleys. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ UTZ107-108-118-200300- /O.CON.KSLC.HZ.A.0002.210921T0600Z-210921T1500Z/ Cache Valley/Utah Portion-Wasatch Back-Sanpete Valley- Including the cities of Logan, Smithfield, Huntsville, Park City, Heber City, Manti, Ephraim, and Mt Pleasant 921 AM MDT Sun Sep 19 2021 ...HARD FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures in the mid to upper 20s are possible. * WHERE...Cache Valley/Utah Portion, Sanpete Valley and Wasatch Back. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
580 WWUS75 KSLC 192111 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 311 PM MDT Sun Sep 19 2021 UTZ106-200200- /O.CON.KSLC.WI.Y.0028.000000T0000Z-210920T0200Z/ Utah Valley- Including the cities of Lehi, Provo, and Payson 311 PM MDT Sun Sep 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * WHAT...North winds 15 to 25 mph with gusts up to 50 mph. * WHERE...Utah Valley, mainly north of Provo. * WHEN...Until 8 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. A few power outages are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ UTZ119-122-200515- /O.EXA.KSLC.HZ.A.0002.210921T0600Z-210921T1500Z/ Sevier Valley-Southwest Utah- Including the cities of Richfield, Salina, Beaver, Cedar City, and Milford 311 PM MDT Sun Sep 19 2021 ...HARD FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures in the upper 20s are possible. * WHERE...Sevier Valley and Southwest Utah. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ UTZ107>109-118-126-200515- /O.CON.KSLC.HZ.A.0002.210921T0600Z-210921T1500Z/ Cache Valley/Utah Portion-Wasatch Back- Bear Lake and Bear River Valley-Sanpete Valley- Upper Sevier River Valleys- Including the cities of Logan, Smithfield, Huntsville, Park City, Heber City, Woodruff, Randolph, Garden City, Manti, Ephraim, Mt Pleasant, Panguitch, Circleville, and Koosharem 311 PM MDT Sun Sep 19 2021 ...HARD FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures in the low to mid 20s are possible. * WHERE...Cache Valley/Utah Portion, Upper Sevier River Valleys, Sanpete Valley, Wasatch Back and Bear Lake and Bear River Valley. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ 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
917 WWUS75 KSLC 200151 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 751 PM MDT Sun Sep 19 2021 UTZ106-200300- /O.EXP.KSLC.WI.Y.0028.000000T0000Z-210920T0200Z/ Utah Valley- Including the cities of Lehi, Provo, and Payson 751 PM MDT Sun Sep 19 2021 ...WIND ADVISORY WILL EXPIRE AT 8 PM MDT THIS EVENING... Winds will continue to decrease across the Utah Valley through this evening. Therefore, the Wind Advisory will be allowed to expire. $$ UTZ107>109-118-119-122-126-201100- /O.CON.KSLC.HZ.A.0002.210921T0600Z-210921T1500Z/ Cache Valley/Utah Portion-Wasatch Back- Bear Lake and Bear River Valley-Sanpete Valley-Sevier Valley- Southwest Utah-Upper Sevier River Valleys- Including the cities of Logan, Smithfield, Huntsville, Park City, Heber City, Woodruff, Randolph, Garden City, Manti, Ephraim, Mt Pleasant, Richfield, Salina, Beaver, Cedar City, Milford, Panguitch, Circleville, and Koosharem 751 PM MDT Sun Sep 19 2021 ...HARD FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING... * WHAT...Sub-freezing temperatures in the upper 20s are possible. * WHERE...Cache Valley/Utah Portion, Southwest Utah, Upper Sevier River Valleys, Sevier Valley, Sanpete Valley, Wasatch Back and Bear Lake and Bear River Valley. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ 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 |
|---|---|---|---|---|
| Sep 19, 2:59 AM MDT | Hard Freeze Watch | SLC | Beaver, Cache, Garfield, Iron, Morgan, Piute and 7 more | 31 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.