Alert archive / Nebraska / Wind Advisories in 2024

Wind Advisory 9, NWS Omaha, NE

November 19, 202430 counties in Nebraska; 8 counties in Iowa

NWS Omaha, NE issued this wind advisory at Nov 19, 2024, 1:45 AM CST for 30 counties in Nebraska; 8 counties in Iowa. It took effect at Nov 20, 2024, 8:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Nov 19, 2024, 1:45 AM CST (07:45 UTC)
In effect from: Nov 20, 2024, 8:00 AM CST
Expired: Nov 20, 2024, 6:00 PM CST
In force: 10 hr
Issued by: NWS Omaha, NE

All 38 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, Johnson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Richardson 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), 16 km from the middle of the area, began a volume at 07:46 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

Topeka, KS (KTOP), launched 00:00Z, 7.8 hours before the alert went out and 269 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: 10 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 528 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: -5 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 wind advisory 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 wind advisory went out at Nov 18, 11:12 PM CST, 2 hours 33 minutes earlier.

Area forecast discussion, Nov 18, 11:12 PM CST, 2 hours 33 minutes before

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Hazardous weather outlook, Nov 18, 9:46 PM CST, 3 hours 59 minutes before

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In the hours before

Special weather statement, Nov 18, 7:55 PM CST, 5 hours 50 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 18, 7:55 PM CST	Special Weather Statement	OAX	Nemaha, Otoe	65 min

Nearby

Wind Advisories in Nebraska, 2024 Wind Advisories in Iowa, 2024 Every wind advisory in 2024

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.