Alert archive / Nebraska / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 227, NWS Omaha, NE

June 18, 2008Burt County, Cuming County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 18, 2008, 9:14 PM CDT for Burt County, Cuming 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: Jun 18, 2008, 9:14 PM CDT (02:14 UTC)
Expired: Jun 18, 2008, 9:45 PM CDT
In force: 31 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon

Counties Burt County, NE, Cuming County, NE

The radar

The Omaha radar (KOAX), 65 km from the middle of the area, began a volume at 02:14 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.2 hours before the alert went out and 347 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: 1478 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1318 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: -47 m²/s²
Significant tornado parameter: -0.3
Supercell composite: -2.6

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 18, 3:09 PM CDT, 6 hours 5 minutes earlier.

Area forecast discussion, Jun 18, 3:09 PM CDT, 6 hours 5 minutes before

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Hazardous weather outlook, Jun 18, 6:01 PM CDT, 3 hours 13 minutes before

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In the hours before

Local storm report, Jun 18, 8:26 PM CDT, 48 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 18, 8:18 PM CDT	Severe Thunderstorm Warning	OAX	Washington	42 min
Jun 19, 1:03 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson	27 min
Jun 19, 1:12 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton, Wayne	33 min
Jun 19, 1:38 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton, Thurston, Wayne	52 min
Jun 19, 1:53 PM CDT	Severe Thunderstorm Warning	OAX	Gage	52 min
Jun 19, 2:21 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	54 min
Jun 19, 2:33 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Pawnee	32 min
Jun 19, 2:45 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy, Saunders	45 min
Jun 19, 2:45 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Stanton	45 min
Jun 19, 2:56 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison	49 min
Jun 19, 3:33 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy, Saunders	42 min
Jun 19, 3:41 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone	49 min
Jun 19, 3:55 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Pierce, Stanton	50 min
Jun 19, 4:08 PM CDT	Flash Flood Warning	OAX	Madison, Pierce, Stanton	5 hr
Jun 19, 4:30 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Platte	60 min
Jun 19, 4:35 PM CDT	Severe Thunderstorm Warning	OAX	Boone	40 min
Jun 19, 4:50 PM CDT	Severe Thunderstorm Warning	OAX	Colfax	55 min
Jun 19, 5:30 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Saunders	37 min
Jun 19, 5:37 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	38 min
Jun 19, 5:45 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox, Pierce	45 min
Jun 19, 5:57 PM CDT	Severe Thunderstorm Warning	OAX	Saunders	48 min
Jun 19, 6:42 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster, Saunders	33 min
Jun 19, 6:56 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy	33 min
Jun 19, 1:10 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	35 min
Jun 19, 1:42 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	48 min
Jun 19, 2:43 PM CDT	Severe Thunderstorm Warning	OAX	Mills	47 min
Jun 19, 3:01 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	44 min
Jun 19, 3:30 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	45 min
Jun 19, 3:43 PM CDT	Flash Flood Warning	OAX	Mills	32 min
Jun 19, 4:00 PM CDT	Flash Flood Warning	OAX	Montgomery	60 min
Jun 19, 4:14 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	46 min
Jun 19, 4:17 PM CDT	Flash Flood Warning	OAX	Mills, Montgomery	5 hr
Jun 19, 4:33 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	27 min
Jun 19, 5:15 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	19 min
Jun 19, 6:33 PM CDT	Flash Flood Warning	OAX	Pottawattamie	2 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2008 Every severe thunderstorm warning in 2008

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.