Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 243, NWS Omaha, NE

June 26, 2014Douglas County, Washington County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 26, 2014, 3:35 PM CDT for Douglas County, Washington County, Nebraska. It was in force for 8 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 26, 2014, 3:35 PM CDT (20:35 UTC)
Expired: Jun 26, 2014, 3:43 PM CDT
In force: 8 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Douglas County, NE, Washington County, NE

The radar

The Omaha radar (KOAX), 18 km from the middle of the area, began a volume at 20:35 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, 8.6 hours before the alert went out and 18 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: 1326 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1035 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 26, 3:14 PM CDT, 21 minutes earlier.

Area forecast discussion, Jun 26, 3:14 PM CDT, 21 minutes before

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Hazardous weather outlook, Jun 26, 11:32 AM CDT, 4 hours 3 minutes before

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In the hours before

Special weather statement, Jun 26, 1:58 PM CDT, 1 hour 37 minutes before

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Local storm report, Jun 26, 2:13 PM CDT, 1 hour 22 minutes before

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Special weather statement, Jun 26, 2:27 PM CDT, 1 hour 8 minutes before

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Local storm report, Jun 26, 3:19 PM CDT, 16 minutes before

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Local storm report, Jun 26, 3:22 PM CDT, 13 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 25, 11:49 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Seward	26 min
Jun 26, 1:55 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Seward	20 min
Jun 26, 1:58 PM CDT	Special Weather Statement	OAX	Douglas, Sarpy	32 min
Jun 26, 2:27 PM CDT	Special Weather Statement	OAX	Saunders	48 min
Jun 26, 3:41 PM CDT	Areal Flood Advisory	OAX	Douglas	3 hr
Jun 26, 3:42 PM CDT	Areal Flood Advisory	OAX	Lancaster, Saunders	3 hr
Jun 26, 3:50 PM CDT	Special Weather Statement	OAX	Saunders	25 min
Jun 26, 4:26 PM CDT	Special Weather Statement	OAX	Burt	49 min
Jun 26, 4:30 PM CDT	Areal Flood Advisory	OAX	Douglas, Sarpy	3 hr
Jun 26, 4:36 PM CDT	Special Weather Statement	OAX	Douglas, Sarpy	39 min
Jun 26, 5:04 AM CDT	Special Weather Statement	OAX	Pottawattamie	26 min
Jun 26, 3:39 PM CDT	Special Weather Statement	OAX	Monona	36 min
Jun 26, 5:03 PM CDT	Special Weather Statement	OAX	Harrison	42 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.