Alert archive / Nebraska / Wind Chill Advisories in 2024

Wind Chill Advisory 2, NWS Omaha, NE

January 11, 202413 counties in Nebraska; 7 counties in Iowa

NWS Omaha, NE issued this wind chill advisory at Jan 11, 2024, 3:22 AM CST for 13 counties in Nebraska; 7 counties in Iowa. It took effect at Jan 12, 2024, 9:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 11, 2024, 3:22 AM CST (09:22 UTC)
In effect from: Jan 12, 2024, 9:00 PM CST
Expired: Jan 12, 2024, 2:43 AM CST
In force
Issued by: NWS Omaha, NE

Counties Fremont County, IA, Harrison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Cass County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Washington County, NE

The radar

The Omaha radar (KOAX), 62 km from the middle of the area, began a volume at 09:21 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, 9.4 hours before the alert went out and 62 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: 550 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 47 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 chill 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 chill advisory went out at Jan 10, 11:32 PM CST, 3 hours 50 minutes earlier.

Area forecast discussion, Jan 10, 11:32 PM CST, 3 hours 50 minutes before

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Hazardous weather outlook, Jan 10, 10:06 PM CST, 5 hours 16 minutes before

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In the hours before

Local storm report, Jan 10, 10:00 PM CST, 5 hours 22 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
Jan 11, 3:22 AM CST	Wind Chill Warning	OAX	Antelope, Boone, Burt, Butler, Cass, Cedar and 24 more	5 days

Nearby

Wind Chill Advisories in Nebraska, 2024 Wind Chill Advisories in Iowa, 2024 Every wind chill 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.