Alert archive / Colorado / Wind Advisories in 2021
Wind Advisory 1, NWS Grand Junction, CO
NWS Grand Junction, CO issued this wind advisory at Feb 8, 2021, 2:49 AM MST for Moffat County, Rio Blanco County, Routt County, Colorado. It took effect at Feb 8, 2021, 9:00 AM MST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 8, 2021, 2:49 AM MST (09:49 UTC)
- In effect from
- Feb 8, 2021, 9:00 AM MST
- Expired
- Feb 8, 2021, 6:00 PM MST
- In force
- 9 hr
- Issued by
- NWS Grand Junction, CO
Counties Moffat County, CO, Rio Blanco County, CO, Routt County, CO
The radar
The Grand Junction radar (KGJX), 149 km from the middle of the area, began a volume at 09:50 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, 9.8 hours before the alert went out and 149 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
- 3718 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
340 WWUS75 KGJT 080949 NPWGJT URGENT - WEATHER MESSAGE National Weather Service Grand Junction CO 249 AM MST Mon Feb 8 2021 COZ002-005-082200- /O.NEW.KGJT.WI.Y.0001.210208T1600Z-210209T0100Z/ Central Yampa River Basin-Upper Yampa River Basin- Including the cities of Craig, Hayden, Meeker, and Steamboat Springs 249 AM MST Mon Feb 8 2021 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MST THIS EVENING... * WHAT...West winds 25 to 35 mph with gusts between 45 to 50 mph expected. * WHERE...Central Yampa River Basin and Upper Yampa River Basin. * WHEN...From 9 AM this morning to 6 PM MST 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. && $$ For more information from the National Weather Service visit https://weather.gov/gjt
2 follow-up statements
985 WWUS75 KGJT 082036 NPWGJT URGENT - WEATHER MESSAGE National Weather Service Grand Junction CO 136 PM MST Mon Feb 8 2021 COZ002-005-090100- /O.CON.KGJT.WI.Y.0001.000000T0000Z-210209T0100Z/ Central Yampa River Basin-Upper Yampa River Basin- Including the cities of Craig, Hayden, Meeker, and Steamboat Springs 136 PM MST Mon Feb 8 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...West winds 25 to 35 mph with gusts between 45 to 50 mph expected. * WHERE...Central Yampa River Basin and Upper Yampa River Basin. * WHEN...Through 6 PM MST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. People, especially those with respiratory illnesses, heart disease, the elderly, and children are recommended to stay indoors and avoid prolonged outdoor exercise or heavy exertion due to wind-blown dust. && $$ For more information from the National Weather Service visit https://weather.gov/gjt
159 WWUS75 KGJT 090058 NPWGJT URGENT - WEATHER MESSAGE National Weather Service Grand Junction CO 558 PM MST Mon Feb 8 2021 COZ002-005-090200- /O.EXP.KGJT.WI.Y.0001.000000T0000Z-210209T0100Z/ Central Yampa River Basin-Upper Yampa River Basin- Including the cities of Craig, Hayden, Meeker, and Steamboat Springs 558 PM MST Mon Feb 8 2021 ...WIND ADVISORY WILL EXPIRE AT 6 PM MST THIS EVENING... Winds have decreased below Wind Advisory criteria and therefore the Wind Advisory will be allowed to expire. $$ 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 |
|---|---|---|---|---|
| Feb 8, 2:06 PM MST | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 46 hr |
Nearby
Wind Advisories in Colorado, 2021Every wind advisory in 2021
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.