Alert archive / Colorado / Wind Advisories in 2021

Wind Advisory 7, NWS Grand Junction, CO

April 25, 2021Grand County, San Juan County, Uintah County, Utah; 14 counties in Colorado

NWS Grand Junction, CO issued this wind advisory at Apr 25, 2021, 9:52 AM MDT for Grand County, San Juan County, Uintah County, Utah; 14 counties in Colorado. It took effect at Apr 26, 2021, 12:00 PM MDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 25, 2021, 9:52 AM MDT (15:52 UTC)
In effect from
Apr 26, 2021, 12:00 PM MDT
Expired
Apr 26, 2021, 6:00 PM MDT
In force
6 hr
Issued by
NWS Grand Junction, CO

Counties Delta County, CO, Dolores County, CO, Eagle County, CO, Garfield County, CO, Gunnison County, CO, La Plata County, CO, Mesa County, CO, Moffat County, CO, Montezuma County, CO, Montrose County, CO, Pitkin County, CO, Rio Blanco County, CO, Routt County, CO, San Miguel County, CO, Grand County, UT, San Juan County, UT, Uintah County, UT

The radar

The Grand Junction radar (KGJX), 17 km from the middle of the area, began a volume at 15:51 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 12:00Z, 3.9 hours before the alert went out and 37 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.

Skew-T log-pSkew-T log-p diagram, Grand Junction, CO at 12:00Z on 2021-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Grand Junction, CO at 12:00Z on 2021-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3359 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

093 
WWUS75 KGJT 251552
NPWGJT

URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
952 AM MDT Sun Apr 25 2021

UTZ022-027-029-260600-
/O.NEW.KGJT.WI.Y.0007.210426T1800Z-210427T0000Z/
/O.EXA.KGJT.WI.Y.0006.210425T1800Z-210426T0300Z/
Southeast Utah-Arches/Grand Flat-Canyonlands/Natural Bridges-
Including the cities of Blanding, Moab, Castle Valley, 
Canyonlands National Park, Dead Horse Point State Park, 
and Fry Canyon
952 AM MDT Sun Apr 25 2021

...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...WIND ADVISORY IN EFFECT FROM NOON TO 6 PM MDT MONDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph
  expected.

* WHERE...Southeast Utah, Arches/Grand Flat and 
  Canyonlands/Natural Bridges.

* WHEN...For the first Wind Advisory, until 9 PM MDT this 
  evening. For the second Wind Advisory, from noon to 6 PM MDT 
  Monday.

* 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.

&&

$$

COZ001-002-260600-
/O.NEW.KGJT.WI.Y.0007.210426T1800Z-210427T0000Z/
/O.CON.KGJT.WI.Y.0006.210425T1800Z-210426T0300Z/
Lower Yampa River Basin-Central Yampa River Basin-
Including the cities of Rangely, Dinosaur, Craig, Hayden, 
and Meeker
952 AM MDT Sun Apr 25 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...WIND ADVISORY IN EFFECT FROM NOON TO 6 PM MDT MONDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph
  expected.

* WHERE...Lower Yampa River Basin and Central Yampa River Basin.

* WHEN...For the first Wind Advisory, until 9 PM MDT this 
  evening. For the second Wind Advisory, from noon to 6 PM MDT 
  Monday.

* 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.

&&

$$

COZ006>008-011-020>022-UTZ024-260600-
/O.NEW.KGJT.WI.Y.0007.210426T1800Z-210427T0000Z/
Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-
Central Gunnison and Uncompahgre River Basin-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
Eastern Uinta Basin-
Including the cities of Grand Junction, Fruita, Palisade, 
De Beque, New Castle, Mesa, Parachute, Rifle, Silt, Eagle, 
Edwards, Glenwood Springs, Carbondale, Montrose, Hotchkiss, 
Delta, Gateway, Nucla, Cortez, Dove Creek, Mancos, Durango, 
Bayfield, Ignacio, Vernal, and Ballard
952 AM MDT Sun Apr 25 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 6 PM MDT MONDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...In Utah, Eastern Uinta Basin. In Colorado, Grand 
  Valley, Debeque to Silt Corridor, Central Colorado River 
  Basin, Central Gunnison and Uncompahgre River Basin, Paradox 
  Valley/Lower Dolores River, Four Corners/Upper Dolores River 
  and Animas River Basin.

* WHEN...From noon to 6 PM MDT Monday.

* 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
3 follow-up statements
121 
WWUS75 KGJT 260256
NPWGJT

URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
856 PM MDT Sun Apr 25 2021

COZ001-002-UTZ022-027-029-261100-
/O.EXP.KGJT.WI.Y.0006.000000T0000Z-210426T0300Z/
/O.CON.KGJT.WI.Y.0007.210426T1800Z-210427T0000Z/
Lower Yampa River Basin-Central Yampa River Basin-Southeast Utah-
Arches/Grand Flat-Canyonlands/Natural Bridges-
Including the cities of Rangely, Dinosaur, Craig, Hayden, Meeker,
Blanding, Moab, Castle Valley, Canyonlands National Park, 
Dead Horse Point State Park, and Fry Canyon
856 PM MDT Sun Apr 25 2021

...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING...

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM MDT MONDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph 
  expected.

* WHERE...Southeast Utah, Arches/Grand Flat and 
  Canyonlands/Natural Bridges.

* WHEN...For the first Wind Advisory, until 9 PM MDT this 
  evening. For the second Wind Advisory, from noon to 6 PM MDT 
  Monday.

* 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.

&&

$$

COZ006>008-011-020>022-UTZ024-261100-
/O.CON.KGJT.WI.Y.0007.210426T1800Z-210427T0000Z/
Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-
Central Gunnison and Uncompahgre River Basin-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
Eastern Uinta Basin-
Including the cities of Grand Junction, Fruita, Palisade, 
De Beque, New Castle, Mesa, Parachute, Rifle, Silt, Eagle, 
Edwards, Glenwood Springs, Carbondale, Montrose, Hotchkiss, 
Delta, Gateway, Nucla, Cortez, Dove Creek, Mancos, Durango, 
Bayfield, Ignacio, Vernal, and Ballard
856 PM MDT Sun Apr 25 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM MDT MONDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...In Utah, Eastern Uinta Basin. In Colorado, Grand 
  Valley, Debeque to Silt Corridor, Central Colorado River 
  Basin, Central Gunnison and Uncompahgre River Basin, Paradox 
  Valley/Lower Dolores River, Four Corners/Upper Dolores River 
  and Animas River Basin.

* WHEN...From noon to 6 PM MDT Monday.

* 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
517 
WWUS75 KGJT 260902
NPWGJT

URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
302 AM MDT Mon Apr 26 2021

COZ001-002-006>008-011-020>022-UTZ022-024-027-029-270000-
/O.CON.KGJT.WI.Y.0007.210426T1800Z-210427T0000Z/
Lower Yampa River Basin-Central Yampa River Basin-Grand Valley-
Debeque to Silt Corridor-Central Colorado River Basin-
Central Gunnison and Uncompahgre River Basin-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
Southeast Utah-Eastern Uinta Basin-Arches/Grand Flat-
Canyonlands/Natural Bridges-
Including the cities of Rangely, Dinosaur, Craig, Hayden, Meeker,
Grand Junction, Fruita, Palisade, De Beque, New Castle, Mesa, 
Parachute, Rifle, Silt, Eagle, Edwards, Glenwood Springs, 
Carbondale, Montrose, Hotchkiss, Delta, Gateway, Nucla, Cortez, 
Dove Creek, Mancos, Durango, Bayfield, Ignacio, Blanding, Vernal,
Ballard, Moab, Castle Valley, Canyonlands National Park, 
Dead Horse Point State Park, and Fry Canyon
302 AM MDT Mon Apr 26 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM MDT
THIS EVENING...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...In Utah, Eastern Uinta Basin. In Colorado, Grand 
  Valley, Debeque to Silt Corridor, Central Colorado River 
  Basin, Central Gunnison and Uncompahgre River Basin, Paradox 
  Valley/Lower Dolores River, Four Corners/Upper Dolores River 
  and Animas River Basin.

* WHEN...From noon to 6 PM MDT today.

* 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
245 
WWUS75 KGJT 262345
NPWGJT

URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
545 PM MDT Mon Apr 26 2021

COZ001-002-006>008-011-020>022-UTZ022-024-027-029-270045-
/O.EXP.KGJT.WI.Y.0007.000000T0000Z-210427T0000Z/
Lower Yampa River Basin-Central Yampa River Basin-Grand Valley-
Debeque to Silt Corridor-Central Colorado River Basin-
Central Gunnison and Uncompahgre River Basin-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
Southeast Utah-Eastern Uinta Basin-Arches/Grand Flat-
Canyonlands/Natural Bridges-
Including the cities of Rangely, Dinosaur, Craig, Hayden, Meeker,
Grand Junction, Fruita, Palisade, De Beque, New Castle, Mesa, 
Parachute, Rifle, Silt, Eagle, Edwards, Glenwood Springs, 
Carbondale, Montrose, Hotchkiss, Delta, Gateway, Nucla, Cortez, 
Dove Creek, Mancos, Durango, Bayfield, Ignacio, Blanding, Vernal,
Ballard, Moab, Castle Valley, Canyonlands National Park, 
Dead Horse Point State Park, and Fry Canyon
545 PM MDT Mon Apr 26 2021

...WIND ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

The strongest wind gusts have begun to subside and the Wind
Advisory will be allowed to expire at 6pm. Some gusty winds may
linger in the higher terrain early this evening.

$$

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.

IssuedProductOfficeCountiesLasted
Apr 25, 4:38 AM MDTFire Weather WatchGJTGrand, San Juan4 hr
Apr 25, 9:06 AM MDTRed Flag WarningGJTDaggett, Grand, San Juan, Uintah35 hr

Nearby

Wind Advisories in Colorado, 2021Wind Advisories in Utah, 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.