Alert archive / Colorado / High Wind Watches in 2007
High Wind Watch 6, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind watch at Oct 17, 2007, 4:52 AM MDT for 5 counties in Colorado. It took effect at Oct 17, 2007, 3:43 PM MDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Oct 17, 2007, 4:52 AM MDT (10:52 UTC)
- In effect from
- Oct 17, 2007, 3:43 PM MDT
- Expired
- Oct 18, 2007, 4:42 AM MDT
- In force
- 13 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 150 km from the middle of the area, began a volume at 10:52 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.9 hours before the alert went out and 219 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
- 1251 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this high wind watch went out at Oct 17, 3:40 AM MDT, 1 hour 12 minutes earlier.
Area forecast discussion, Oct 17, 3:40 AM MDT, 1 hour 12 minutes before
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</html>Hazardous weather outlook, Oct 16, 11:01 AM MDT, 17 hours 51 minutes before
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High Wind Watches in Colorado, 2007Every high wind watch in 2007
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.