Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 18, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Apr 13, 2014, 7:50 AM CDT for Cass County, Otoe County, Nebraska. It was in force for 25 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 13, 2014, 7:50 AM CDT (12:50 UTC)
- Expired
- Apr 13, 2014, 8:15 AM CDT
- In force
- 25 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Cass County, NE, Otoe County, NE
The radar
The Omaha radar (KOAX), 63 km from the middle of the area, began a volume at 12:53 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, 0.8 hours before the alert went out and 63 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 872 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 229 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
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 13, 6:25 AM CDT, 1 hour 25 minutes earlier.
Area forecast discussion, Apr 13, 6:25 AM CDT, 1 hour 25 minutes before
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Special weather statement, Apr 13, 3:34 AM CDT, 4 hours 16 minutes before
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</html>The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 8:15 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 30 min |
| Apr 12, 8:39 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 36 min |
| Apr 12, 11:43 PM CDT | Special Weather Statement | OAX | Pawnee, Richardson | 47 min |
| Apr 13, 1:26 AM CDT | Special Weather Statement | OAX | Nemaha | 49 min |
| Apr 13, 7:03 AM CDT | Special Weather Statement | OAX | Saline | 42 min |
| Apr 13, 7:14 AM CDT | Special Weather Statement | OAX | Lancaster | 46 min |
| Apr 13, 7:18 AM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Lancaster, Saline | 42 min |
| Apr 13, 7:27 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe | 48 min |
| Apr 13, 7:38 AM CDT | Special Weather Statement | OAX | Saline | 37 min |
| Apr 13, 9:09 AM CDT | Special Weather Statement | OAX | Cass | 36 min |
| Apr 13, 9:19 AM CDT | Wind Advisory | OAX | Antelope, Boone, Burt, Butler, Cass, Colfax and 22 more | 12 hr |
| Apr 13, 9:21 AM CDT | Special Weather Statement | OAX | Seward | 24 min |
| Apr 13, 9:44 AM CDT | Special Weather Statement | OAX | Douglas, Sarpy | 46 min |
| Apr 13, 10:08 AM CDT | Areal Flood Advisory | OAX | Douglas, Sarpy | 52 min |
| Apr 13, 10:17 AM CDT | Special Weather Statement | OAX | Saunders | 43 min |
| Apr 13, 12:10 PM CDT | Special Weather Statement | OAX | Saline, Seward | 35 min |
| Apr 13, 1:54 PM CDT | Winter Weather Advisory | OAX | Antelope, Boone, Burt, Colfax, Cuming, Dodge and 7 more | 5 hr |
| Apr 12, 7:29 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Mills, Montgomery, Page | 46 min |
| Apr 12, 7:43 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Montgomery, Pottawattamie | 47 min |
| Apr 12, 8:13 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 47 min |
| Apr 12, 8:29 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 31 min |
| Apr 12, 8:31 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 44 min |
| Apr 12, 8:57 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 33 min |
| Apr 12, 9:18 PM CDT | Special Weather Statement | OAX | Shelby | 42 min |
| Apr 12, 9:22 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 38 min |
| Apr 12, 9:26 PM CDT | Special Weather Statement | OAX | Page | 49 min |
| Apr 12, 9:30 PM CDT | Severe Thunderstorm Warning | OAX | Page | 45 min |
| Apr 13, 3:34 AM CDT | Special Weather Statement | OAX | Pottawattamie | 26 min |
| Apr 13, 8:59 AM CDT | Special Weather Statement | OAX | Mills | 46 min |
| Apr 13, 9:59 AM CDT | Special Weather Statement | OAX | Pottawattamie | 31 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2014Every 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.