Alert archive / Nebraska / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 156, NWS Omaha, NE

August 10, 2020Cedar County, Knox County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Aug 10, 2020, 6:38 AM CDT for Cedar County, Knox County, Nebraska. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 10, 2020, 6:38 AM CDT (11:38 UTC)
Expired
Aug 10, 2020, 7:30 AM CDT
In force
52 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cedar County, NE, Knox County, NE

The radar

The Sioux Falls radar (KFSD), 128 km from the middle of the area, began a volume at 11:38 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 10, 6:06 AM CDTSevere Thunderstorm WatchSPC5 hr

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 10, 6:35 AM CDT, 3 minutes earlier.

Area forecast discussion, Aug 10, 6:35 AM CDT, 3 minutes before
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Hazardous weather outlook, Aug 10, 4:34 AM CDT, 2 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
434 AM CDT Mon Aug 10 2020

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-102345-
Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-
Page-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-
Stanton-Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-
Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-
Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson-
434 AM CDT Mon Aug 10 2020

This Hazardous Weather Outlook is for portions of southwest
Iowa...west central Iowa...east central Nebraska...northeast
Nebraska and southeast Nebraska.

.DAY ONE...Today and Tonight

Isolated showers and storms are possible this morning and today
as a cold front continues to move southeast through the area. The
front is expected to reach far southeast Nebraska by 7pm and may
stall out after the it crosses into northeast Kansas/northwest
Missouri. While an isolated storm or two may become severe,
widespread severe activity is not expected at this time. The best
chance for any severe activity will be in far southeast Nebraska,
extending into KS/MO.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Periodic showers and storms continue to be possible into this
weekend. Severe storm potential is uncertain at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 5:55 AM CDTSevere Thunderstorm WarningOAXKnox50 min
Aug 10, 6:57 AM CDTSevere Thunderstorm WarningOAXCedar48 min
Aug 10, 8:03 AM CDTSpecial Weather StatementOAXThurston27 min
Aug 10, 8:30 AM CDTSpecial Weather StatementOAXBurt45 min
Aug 10, 8:42 AM CDTSpecial Weather StatementOAXDouglas, Saunders, Washington33 min
Aug 10, 8:46 AM CDTSevere Thunderstorm WarningOAXBurt, Washington29 min
Aug 10, 8:53 AM CDTSevere Thunderstorm WarningOAXCass, Douglas, Lancaster, Sarpy, Saunders, Washington37 min
Aug 10, 9:15 AM CDTSpecial Weather StatementOAXOtoe45 min
Aug 10, 9:25 AM CDTSevere Thunderstorm WarningOAXCass, Lancaster, Otoe50 min
Aug 10, 9:09 AM CDTSevere Thunderstorm WarningOAXPottawattamie, Shelby51 min
Aug 10, 10:06 AM CDTSpecial Weather StatementOAXPage24 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2020Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.