Alert archive / Colorado / Wind Advisories in 2021

Wind Advisory 6, NWS Grand Junction, CO

April 24, 20214 counties in Colorado; Grand County, San Juan County, Utah

NWS Grand Junction, CO issued this wind advisory at Apr 24, 2021, 2:00 PM MDT for 4 counties in Colorado; Grand County, San Juan County, Utah. It took effect at Apr 25, 2021, 12:00 PM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 24, 2021, 2:00 PM MDT (20:00 UTC)
In effect from
Apr 25, 2021, 12:00 PM MDT
Expired
Apr 25, 2021, 9:00 PM MDT
In force
9 hr
Issued by
NWS Grand Junction, CO

Counties Garfield County, CO, Moffat County, CO, Rio Blanco County, CO, Routt County, CO, Grand County, UT, San Juan County, UT

The radar

The Grand Junction radar (KGJX), 58 km from the middle of the area, began a volume at 20:03 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, 8.0 hours before the alert went out and 47 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 2021-04-24Temperature 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 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.19395878Sfc1 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
2617 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

764 
WWUS75 KGJT 242000
NPWGJT

URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
200 PM MDT Sat Apr 24 2021

COZ001-002-251200-
/O.NEW.KGJT.WI.Y.0006.210425T1800Z-210426T0300Z/
Lower Yampa River Basin-Central Yampa River Basin-
Including the cities of Rangely, Dinosaur, Craig, Hayden, 
and Meeker
200 PM MDT Sat Apr 24 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 9 PM MDT SUNDAY...

* 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...From noon to 9 PM MDT Sunday.

* 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
709 
WWUS75 KGJT 251044
NPWGJT

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

COZ001-002-252100-
/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
444 AM MDT Sun Apr 25 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

* 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...From noon to 9 PM MDT Sunday.

* 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
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
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

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.