Alert archive / Nebraska / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 7, NWS Omaha, NE

April 9, 2013Wayne County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Apr 9, 2013, 3:29 PM CDT for Wayne County, Nebraska. It was in force for 31 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: Apr 9, 2013, 3:29 PM CDT (20:29 UTC)
Expired: Apr 9, 2013, 4:00 PM CDT
In force: 31 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Wayne County, NE

The radar

The Omaha radar (KOAX), 117 km from the middle of the area, began a volume at 20:32 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 12:00Z, 8.5 hours before the alert went out and 117 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: 457 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 394 m²/s²
0-3 km storm-relative helicity: 638 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

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 Apr 9, 12:36 PM CDT, 2 hours 53 minutes earlier.

Area forecast discussion, Apr 9, 12:36 PM CDT, 2 hours 53 minutes before

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Hazardous weather outlook, Apr 9, 2:31 PM CDT, 58 minutes before

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In the hours before

Local storm report, Apr 9, 2:44 PM CDT, 45 minutes before

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Local storm report, Apr 9, 3:01 PM CDT, 28 minutes before

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Special weather statement, Apr 9, 3:07 PM CDT, 22 minutes before

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Local storm report, Apr 9, 3:16 PM CDT, 13 minutes before

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Local storm report, Apr 9, 3:23 PM CDT, 6 minutes before

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Local storm report, Apr 9, 3:25 PM CDT, 4 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
Apr 8, 9:57 PM CDT	Special Weather Statement	OAX	Madison	48 min
Apr 8, 10:50 PM CDT	Special Weather Statement	OAX	Douglas, Washington	25 min
Apr 8, 10:52 PM CDT	Special Weather Statement	OAX	Cuming	38 min
Apr 8, 10:56 PM CDT	Special Weather Statement	OAX	Platte	49 min
Apr 8, 11:05 PM CDT	Special Weather Statement	OAX	Boone	40 min
Apr 8, 11:21 PM CDT	Special Weather Statement	OAX	Washington	39 min
Apr 8, 11:33 PM CDT	Special Weather Statement	OAX	Colfax	42 min
Apr 8, 11:58 PM CDT	Special Weather Statement	OAX	Burt	32 min
Apr 9, 2:09 AM CDT	Special Weather Statement	OAX	Platte	36 min
Apr 9, 3:11 AM CDT	Special Weather Statement	OAX	Colfax, Platte	34 min
Apr 9, 3:45 AM CDT	Severe Thunderstorm Warning	OAX	Colfax, Dodge	30 min
Apr 9, 3:54 AM CDT	Special Weather Statement	OAX	Platte	36 min
Apr 9, 4:02 AM CDT	Winter Storm Warning	OAX	Antelope, Boone, Cedar, Knox, Madison, Pierce and 3 more	48 hr
Apr 9, 4:02 AM CDT	Winter Weather Advisory	OAX	Boone, Cedar, Madison, Pierce, Platte, Stanton and 1 more	12 hr
Apr 9, 4:12 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Platte, Saunders	33 min
Apr 9, 4:32 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Saunders	43 min
Apr 9, 5:13 AM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge, Washington	32 min
Apr 9, 1:15 PM CDT	Special Weather Statement	OAX	Antelope, Boone	45 min
Apr 9, 1:59 PM CDT	Special Weather Statement	OAX	Antelope, Boone, Madison	31 min
Apr 9, 2:23 PM CDT	Severe Thunderstorm Warning	OAX	Platte	37 min
Apr 9, 2:46 PM CDT	Severe Thunderstorm Warning	OAX	Madison	29 min
Apr 9, 3:07 PM CDT	Special Weather Statement	OAX	Wayne	38 min
Apr 9, 4:01 PM CDT	Special Weather Statement	OAX	Cedar, Knox, Pierce, Wayne	29 min
Apr 9, 4:01 PM CDT	Winter Weather Advisory	OAX	Boone, Burt, Butler, Colfax, Cuming, Jefferson and 6 more	36 hr
Apr 9, 4:08 PM CDT	Special Weather Statement	OAX	Thurston	22 min
Apr 9, 4:23 PM CDT	Special Weather Statement	OAX	Cedar, Pierce, Wayne	22 min
Apr 9, 4:43 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Wayne	32 min
Apr 9, 5:04 PM CDT	Special Weather Statement	OAX	Boone, Madison, Platte	26 min
Apr 9, 5:22 PM CDT	Special Weather Statement	OAX	Butler	23 min
Apr 9, 5:28 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Seward	32 min
Apr 9, 5:52 PM CDT	Special Weather Statement	OAX	Boone, Madison, Pierce, Platte, Stanton, Wayne	23 min
Apr 9, 5:56 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Platte, Saunders	34 min
Apr 9, 6:03 PM CDT	Special Weather Statement	OAX	Lancaster	27 min
Apr 9, 6:14 PM CDT	Special Weather Statement	OAX	Butler	31 min
Apr 9, 6:17 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster	28 min
Apr 9, 6:19 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saunders, Seward	26 min
Apr 9, 6:22 PM CDT	Severe Thunderstorm Warning	OAX	Pawnee	23 min
Apr 9, 6:27 PM CDT	Special Weather Statement	OAX	Dodge	33 min
Apr 9, 6:32 PM CDT	Special Weather Statement	OAX	Burt, Dodge	28 min
Apr 9, 6:40 PM CDT	Severe Thunderstorm Warning	OAX	Saunders	35 min
Apr 9, 6:41 PM CDT	Special Weather Statement	OAX	Dodge	34 min
Apr 9, 6:45 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Pawnee, Richardson	30 min
Apr 9, 6:50 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge	25 min
Apr 9, 6:55 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Cuming, Dodge	35 min
Apr 9, 4:47 AM CDT	Special Weather Statement	OAX	Monona	28 min
Apr 9, 5:40 AM CDT	Special Weather Statement	OAX	Harrison, Monona	35 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2013 Every severe thunderstorm warning in 2013

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.