Alert archive / Nebraska / High Wind Watches in 2015

High Wind Watch 1, NWS Omaha, NE

November 10, 201526 counties in Nebraska; 8 counties in Iowa

NWS Omaha, NE issued this high wind watch at Nov 10, 2015, 3:28 AM CST for 26 counties in Nebraska; 8 counties in Iowa. It took effect at Nov 11, 2015, 3:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Nov 10, 2015, 3:28 AM CST (09:28 UTC)
In effect from: Nov 11, 2015, 3:00 PM CST
Expired: Nov 11, 2015, 3:02 AM CST
In force
Issued by: NWS Omaha, NE

All 34 counties

Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Otoe County, NE, Pierce County, NE, Platte County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 25 km from the middle of the area, began a volume at 09:34 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

Omaha, NE (KOAX), launched 00:00Z, 9.5 hours before the alert went out and 25 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: 2059 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 68 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 Omaha, NE wrote its last area forecast discussion before this high wind watch went out at Nov 9, 11:16 PM CST, 4 hours 12 minutes earlier.

Area forecast discussion, Nov 9, 11:16 PM CST, 4 hours 12 minutes before

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Hazardous weather outlook, Nov 9, 5:39 PM CST, 9 hours 49 minutes before

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The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 10, 3:25 PM CST	High Wind Warning	OAX	Antelope, Boone, Burt, Butler, Cedar, Colfax and 17 more	32 hr
Nov 10, 3:25 PM CST	Wind Advisory	OAX	Antelope, Boone, Burt, Butler, Cass, Cedar and 24 more	36 hr

Nearby

High Wind Watches in Nebraska, 2015 High Wind Watches in Iowa, 2015 Every high wind watch in 2015

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.