Alert archive / Colorado / Wind Advisories in 2008
Wind Advisory 1, NWS Grand Junction, CO
NWS Grand Junction, CO issued this wind advisory at Apr 14, 2008, 2:43 PM MDT for 13 counties in Colorado; Grand County, San Juan County, Utah. It took effect at Apr 15, 2008, 4:16 AM MDT. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Apr 14, 2008, 2:43 PM MDT (20:43 UTC)
- In effect from
- Apr 15, 2008, 4:16 AM MDT
- Expired
- Apr 15, 2008, 9:00 PM MDT
- In force
- 17 hr
- Issued by
- NWS Grand Junction, CO
Counties Delta County, CO, Dolores County, CO, Eagle County, CO, Garfield County, CO, Gunnison 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
The radar
The Grand Junction radar (KGJX), 16 km from the middle of the area, began a volume at 20:43 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, 8.7 hours before the alert went out and 431 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
- 1942 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 11 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 Apr 14, 2:17 AM MDT, 12 hours 26 minutes earlier.
Area forecast discussion, Apr 14, 2:17 AM MDT, 12 hours 26 minutes before
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</html>Hazardous weather outlook, Apr 14, 5:45 AM MDT, 8 hours 58 minutes before
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</html>Nearby
Wind Advisories in Colorado, 2008Wind Advisories in Utah, 2008Every wind advisory in 2008
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.