Alert archive / Nebraska / High Wind Watches in 2010

High Wind Watch 9, NWS Cheyenne, WY

October 25, 20105 counties in Wyoming; 8 counties in Nebraska

NWS Cheyenne, WY issued this high wind watch at Oct 25, 2010, 3:01 PM MDT for 5 counties in Wyoming; 8 counties in Nebraska. It took effect at Oct 26, 2010, 6:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued: Oct 25, 2010, 3:01 PM MDT (21:01 UTC)
In effect from: Oct 26, 2010, 6:00 AM MDT
Expired: Oct 26, 2010, 4:09 AM MDT
In force
Issued by: NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 108 km from the middle of the area, began a volume at 21:02 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, 9.0 hours before the alert went out and 239 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2347 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 383 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Cheyenne, WY wrote its last area forecast discussion before this high wind watch went out at Oct 25, 3:00 PM MDT, 1 minute earlier.

Area forecast discussion, Oct 25, 3:00 PM MDT, 1 minute before

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Hazardous weather outlook, Oct 25, 10:35 AM MDT, 4 hours 26 minutes before

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In the hours before

Local storm report, Oct 25, 10:45 AM MDT, 4 hours 16 minutes before

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Local storm report, Oct 25, 11:38 AM MDT, 3 hours 23 minutes before

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Local storm report, Oct 25, 12:25 PM MDT, 2 hours 36 minutes before

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Local storm report, Oct 25, 1:13 PM MDT, 1 hour 48 minutes before

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Local storm report, Oct 25, 1:53 PM MDT, 1 hour 8 minutes before

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Local storm report, Oct 25, 2:07 PM MDT, 54 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 25, 4:59 AM MDT	Wind Advisory	CYS	Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more	13 hr

Nearby

High Wind Watches in Nebraska, 2010 High Wind Watches in Wyoming, 2010 Every high wind watch in 2010

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.