Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 196, NWS Omaha, NE

June 16, 2014Antelope County, Boone County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 16, 2014, 8:36 PM CDT for Antelope County, Boone County, Nebraska. It was in force for 39 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: Jun 16, 2014, 8:36 PM CDT (01:36 UTC)
Expired: Jun 16, 2014, 9:15 PM CDT
In force: 39 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Antelope County, NE, Boone County, NE

The radar

The Omaha radar (KOAX), 157 km from the middle of the area, began a volume at 01:39 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 16, 3:07 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.6 hours before the alert went out and 157 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: 3563 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1174 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 248 m²/s²
0-3 km storm-relative helicity: 362 m²/s²
Significant tornado parameter: 4.8
Supercell composite: 28.3

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 Jun 16, 6:39 PM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jun 16, 6:39 PM CDT, 1 hour 57 minutes before

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Hazardous weather outlook, Jun 16, 5:41 PM CDT, 2 hours 55 minutes before

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In the hours before

Local storm report, Jun 16, 4:47 PM CDT, 3 hours 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
447 PM CDT MON JUN 16 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0446 PM     TORNADO          5 E BEEMER              41.93N 96.71W
06/16/2014                   CUMING             NE   TRAINED SPOTTER

&&

KGROSS

Special weather statement, Jun 16, 7:25 PM CDT, 1 hour 11 minutes before

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Special weather statement, Jun 16, 7:55 PM CDT, 41 minutes before

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Special weather statement, Jun 16, 8:03 PM CDT, 33 minutes before

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Local storm report, Jun 16, 8:21 PM CDT, 15 minutes before

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Special weather statement, Jun 16, 8:30 PM CDT, 6 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
Jun 16, 7:25 PM CDT	Special Weather Statement	OAX	Knox	35 min
Jun 16, 7:55 PM CDT	Special Weather Statement	OAX	Pierce	35 min
Jun 16, 8:03 PM CDT	Special Weather Statement	OAX	Cedar	27 min
Jun 16, 8:06 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Pierce	39 min
Jun 16, 8:23 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	52 min
Jun 16, 8:30 PM CDT	Special Weather Statement	OAX	Antelope	45 min
Jun 16, 9:07 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Wayne	38 min
Jun 16, 9:20 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone	25 min
Jun 16, 9:30 PM CDT	Special Weather Statement	OAX	Cedar	15 min
Jun 16, 9:33 PM CDT	Special Weather Statement	OAX	Pierce	27 min
Jun 16, 9:46 PM CDT	Special Weather Statement	OAX	Madison	14 min
Jun 16, 10:14 PM CDT	Special Weather Statement	OAX	Cuming	31 min
Jun 16, 10:26 PM CDT	Special Weather Statement	OAX	Thurston	19 min
Jun 16, 10:31 PM CDT	Severe Thunderstorm Warning	OAX	Thurston	29 min
Jun 16, 10:50 PM CDT	Special Weather Statement	OAX	Thurston	40 min
Jun 16, 11:19 PM CDT	Special Weather Statement	OAX	Cedar	41 min
Jun 16, 11:50 PM CDT	Areal Flood Advisory	OAX	Cedar	115 min
Jun 17, 1:06 AM CDT	Flash Flood Warning	OAX	Cedar, Pierce	4 hr
Jun 17, 11:35 AM CDT	River Flood Warning	OAX	Cass	8 days
Jun 17, 3:19 PM CDT	River Flood Advisory	OAX	Douglas, Sarpy	25 hr
Jun 17, 3:19 PM CDT	River Flood Advisory	OAX	Washington	25 hr
Jun 17, 4:24 PM CDT	River Flood Advisory	OAX	Thurston	25 hr
Jun 16, 11:11 PM CDT	Special Weather Statement	OAX	Monona	49 min
Jun 16, 11:24 PM CDT	Severe Thunderstorm Warning	OAX	Monona	36 min
Jun 17, 12:02 AM CDT	Special Weather Statement	OAX	Shelby	43 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2014 Every severe thunderstorm warning in 2014

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.