Alert archive / Nebraska / Winter Storm Warnings in 2018
Winter Storm Warning 7, NWS Omaha, NE
NWS Omaha, NE issued this winter storm warning at Nov 24, 2018, 3:39 AM CST for Nemaha County, Pawnee County, Richardson County, Nebraska; Page County, Iowa. It took effect at Nov 25, 2018, 4:00 AM CST. It was in force for . No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 24, 2018, 3:39 AM CST (09:39 UTC)
- In effect from
- Nov 25, 2018, 4:00 AM CST
- Expired
- Nov 24, 2018, 1:32 PM CST
- In force
- Issued by
- NWS Omaha, NE
Counties Page County, IA, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Omaha radar (KOAX), 121 km from the middle of the area, began a volume at 09:39 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 (KFOE), launched 00:00Z, 9.7 hours before the alert went out and 150 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
- 2 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1363 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning 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 winter storm warning went out at Nov 24, 3:31 AM CST, 8 minutes earlier.
Area forecast discussion, Nov 24, 3:31 AM CST, 8 minutes before
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</html>The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 9:49 PM CST | Winter Weather Advisory | OAX | Antelope, Boone, Burt, Butler, Cass, Cedar and 21 more | 38 hr |
| Nov 24, 1:32 PM CST | Blizzard Warning | OAX | Cass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 5 more | 28 hr |
Nearby
Winter Storm Warnings in Nebraska, 2018Winter Storm Warnings in Iowa, 2018Every winter storm warning in 2018
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.