Alert archive / Utah / Wind Advisories in 2021
Wind Advisory 10, NWS Grand Junction, CO
NWS Grand Junction, CO issued this wind advisory at May 21, 2021, 9:03 PM MDT for Grand County, Utah. It was in force for 117 min.
The area
The counties it named.
The facts
- Issued
- May 21, 2021, 9:03 PM MDT (03:03 UTC)
- Expired
- May 21, 2021, 11:00 PM MDT
- In force
- 117 min
- Issued by
- NWS Grand Junction, CO
County Grand County, UT
The radar
The Grand Junction radar (KGJX), 118 km from the middle of the area, began a volume at 03:05 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
Grand Junction, CO (KGJT), launched 00:00Z, 3.1 hours before the alert went out and 94 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
- 4 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 2072 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
093 WWUS75 KGJT 220303 NPWGJT URGENT - WEATHER MESSAGE National Weather Service Grand Junction CO 903 PM MDT Fri May 21 2021 UTZ027-220500- /O.EXP.KGJT.WI.Y.0009.000000T0000Z-210522T0300Z/ /O.NEW.KGJT.WI.Y.0010.210522T0303Z-210522T0500Z/ Arches/Grand Flat- Including the cities of Moab and Castle Valley 903 PM MDT Fri May 21 2021 ...WIND ADVISORY IN EFFECT UNTIL 11 PM MDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Arches/Grand Flat. * WHEN...Until 11 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. People, especially those with respiratory illnesses, heart disease, the elderly, and children are recommended to stay indoors and avoid prolonged outdoor exercise or heavy exertion due to wind-blown dust. && $$ UTZ022-029-221115- /O.EXP.KGJT.WI.Y.0009.000000T0000Z-210522T0300Z/ /O.NEW.KGJT.WI.Y.0011.210522T1800Z-210523T0500Z/ Southeast Utah-Canyonlands/Natural Bridges- Including the cities of Blanding, Canyonlands National Park, Dead Horse Point State Park, and Fry Canyon 903 PM MDT Fri May 21 2021 ...WIND ADVISORY IN EFFECT FROM NOON TO 11 PM MDT SATURDAY... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Southeast Utah and Canyonlands/Natural Bridges. * WHEN...From noon to 11 PM MDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. People, especially those with respiratory illnesses, heart disease, the elderly, and children are recommended to stay indoors and avoid prolonged outdoor exercise or heavy exertion due to wind-blown dust. && $$ COZ001-UTZ024-028-220415- /O.EXP.KGJT.WI.Y.0009.000000T0000Z-210522T0300Z/ Lower Yampa River Basin-Eastern Uinta Basin- La Sal and Abajo Mountains- 903 PM MDT Fri May 21 2021 ...WIND ADVISORY HAS EXPIRED AT 9 PM MDT THIS EVENING... $$ For more information from the National Weather Service visit https://weather.gov/gjt
1 follow-up statement
465 WWUS75 KGJT 220500 NPWGJT URGENT - WEATHER MESSAGE National Weather Service Grand Junction CO 1100 PM MDT Fri May 21 2021 UTZ027-220600- /O.EXP.KGJT.WI.Y.0010.000000T0000Z-210522T0500Z/ Arches/Grand Flat- Including the cities of Moab and Castle Valley 1100 PM MDT Fri May 21 2021 ...WIND ADVISORY WILL EXPIRE AT 11 PM MDT THIS EVENING... The strongest wind gusts have begun to subside and the Wind Advisory will be allowed to expire. $$ UTZ022-029-222100- /O.CON.KGJT.WI.Y.0011.210522T1800Z-210523T0500Z/ Southeast Utah-Canyonlands/Natural Bridges- Including the cities of Blanding, Canyonlands National Park, Dead Horse Point State Park, and Fry Canyon 1100 PM MDT Fri May 21 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 11 PM MDT SATURDAY... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Southeast Utah and Canyonlands/Natural Bridges. * WHEN...From noon to 11 PM MDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. People, especially those with respiratory illnesses, heart disease, the elderly, and children are recommended to stay indoors and avoid prolonged outdoor exercise or heavy exertion due to wind-blown dust. && $$ For more information from the National Weather Service visit https://weather.gov/gjt
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 9:03 PM MDT | Wind Advisory | GJT | San Juan | 26 hr |
| May 21, 9:04 PM MDT | Red Flag Warning | GJT | Grand, San Juan | 17 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.