Alert archive / Colorado / Wind Advisories in 2020
Wind Advisory 8, NWS Grand Junction, CO
NWS Grand Junction, CO issued this wind advisory at Jun 27, 2020, 2:22 PM MDT for 11 counties in Colorado; Grand County, San Juan County, Uintah County, Utah. It took effect at Jun 28, 2020, 12:00 PM MDT. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Jun 27, 2020, 2:22 PM MDT (20:22 UTC)
- In effect from
- Jun 28, 2020, 12:00 PM MDT
- Expired
- Jun 29, 2020, 5:34 PM MDT
- In force
- 30 hr
- Issued by
- NWS Grand Junction, CO
Counties Delta County, CO, Dolores County, CO, Garfield County, CO, Gunnison County, CO, Mesa County, CO, Moffat County, CO, Montrose County, CO, Ouray 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), 11 km from the middle of the area, began a volume at 20:24 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
Denver, CO (KDNR), launched 12:00Z, 8.4 hours before the alert went out and 447 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
- 2646 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before this wind advisory went out at Jun 27, 11:42 AM MDT, 2 hours 40 minutes earlier.
Area forecast discussion, Jun 27, 11:42 AM MDT, 2 hours 40 minutes before
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</html>The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 6:46 PM MDT | Special Weather Statement | GJT | Mesa | 29 min |
| Jun 27, 2:22 PM MDT | Fire Weather Watch | GJT | Delta, Garfield, Mesa, Montrose, Ouray | 24 hr |
| Jun 27, 2:22 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Montezuma and 3 more | 55 hr |
| Jun 27, 4:55 PM MDT | Special Weather Statement | GJT | Daggett | 35 min |
Nearby
Wind Advisories in Colorado, 2020Wind Advisories in Utah, 2020Every wind advisory in 2020
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.