Alert archive / Colorado / Wind Advisories in 2009
Wind Advisory 4, NWS Grand Junction, CO
NWS Grand Junction, CO issued this wind advisory at Apr 3, 2009, 3:29 AM MDT for Dolores County, Montezuma County, San Miguel County, Colorado; San Juan County, Utah. It took effect at Apr 3, 2009, 12:00 PM MDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 3, 2009, 3:29 AM MDT (09:29 UTC)
- In effect from
- Apr 3, 2009, 12:00 PM MDT
- Expired
- Apr 3, 2009, 9:18 PM MDT
- In force
- 9 hr
- Issued by
- NWS Grand Junction, CO
Counties Dolores County, CO, Montezuma County, CO, San Miguel County, CO, San Juan County, UT
The radar
The Grand Junction radar (KGJX), 163 km from the middle of the area, began a volume at 09:35 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, 9.5 hours before the alert went out and 164 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
- 2454 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 208 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 2, 4:19 PM MDT, 11 hours 10 minutes earlier.
Area forecast discussion, Apr 2, 4:19 PM MDT, 11 hours 10 minutes before
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</html>Hazardous weather outlook, Apr 2, 3:54 PM MDT, 11 hours 35 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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</html>Nearby
Wind Advisories in Colorado, 2009Wind Advisories in Utah, 2009Every wind advisory in 2009
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.