Alert archive / Nebraska / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 36, NWS Omaha, NE

May 24, 2020Pawnee County, Richardson County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 24, 2020, 2:25 PM CDT for Pawnee County, Richardson County, Nebraska. It was in force for 35 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: May 24, 2020, 2:25 PM CDT (19:25 UTC)
Expired: May 24, 2020, 3:00 PM CDT
In force: 35 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Pawnee County, NE, Richardson County, NE

The radar

The Topeka radar (KTWX), 128 km from the middle of the area, began a volume at 19:25 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.

Issued	Product	Office	Lasted
May 24, 1:40 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 7.4 hours before the alert went out and 129 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: 1980 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 616 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 18 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 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 May 24, 12:18 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, May 24, 12:18 PM CDT, 2 hours 7 minutes before

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Hazardous weather outlook, May 24, 11:23 AM CDT, 3 hours 2 minutes before

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In the hours before

Local storm report, May 24, 8:39 AM CDT, 5 hours 46 minutes before

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Local storm report, May 24, 8:45 AM CDT, 5 hours 40 minutes before

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Local storm report, May 24, 8:48 AM CDT, 5 hours 37 minutes before

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Local storm report, May 24, 8:53 AM CDT, 5 hours 32 minutes before

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Local storm report, May 24, 9:08 AM CDT, 5 hours 17 minutes before

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Local storm report, May 24, 1:42 PM CDT, 43 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
May 24, 1:56 AM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison, Platte	49 min
May 24, 1:58 AM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox, Pierce	47 min
May 24, 2:33 AM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Madison, Pierce, Wayne	42 min
May 24, 2:37 AM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Butler, Colfax, Cuming, Madison and 3 more	38 min
May 24, 3:13 AM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Pierce, Wayne	47 min
May 24, 3:15 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Cuming, Dodge, Platte, Saunders and 2 more	45 min
May 24, 3:47 AM CDT	Severe Thunderstorm Warning	OAX	Burt, Butler, Colfax, Cuming, Dodge, Saunders and 2 more	43 min
May 24, 4:00 AM CDT	Flash Flood Watch	OAX	Boone, Butler, Cass, Gage, Jefferson, Johnson and 8 more	39 hr
May 24, 4:16 AM CDT	Special Weather Statement	OAX	Butler, Saline, Saunders, Seward	29 min
May 24, 4:26 AM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge, Douglas, Saunders, Thurston, Washington	49 min
May 24, 4:35 AM CDT	Special Weather Statement	OAX	Lancaster, Saline, Saunders	25 min
May 24, 4:54 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Lancaster, Otoe, Sarpy, Saunders and 1 more	51 min
May 24, 5:12 AM CDT	Severe Thunderstorm Warning	OAX	Burt, Douglas, Washington	33 min
May 24, 5:17 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Lancaster, Otoe, Sarpy, Saunders	43 min
May 24, 5:38 AM CDT	Severe Thunderstorm Warning	OAX	Douglas	52 min
May 24, 5:47 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Otoe, Sarpy	43 min
May 24, 6:26 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Otoe	49 min
May 24, 8:58 AM CDT	River Flood Advisory	OAX	Saline	11 hr
May 24, 8:58 AM CDT	River Flood Advisory	OAX	Gage	25 hr
May 24, 8:58 AM CDT	River Flood Advisory	OAX	Saline	33 hr
May 24, 8:58 AM CDT	River Flood Advisory	OAX	Seward	25 hr
May 24, 4:47 PM CDT	Areal Flood Advisory	OAX	Johnson, Otoe	3 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2020 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.