Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 113, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Jun 20, 1996, 11:49 PM CDT for Lancaster County, Nebraska. It was in force for 56 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 20, 1996, 11:49 PM CDT (04:49 UTC)
- Expired
- Jun 21, 1996, 12:45 AM CDT
- In force
- 56 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Lancaster County, NE
The radar
The Omaha radar (KOAX), 65 km from the middle of the area, began a volume at 04:50 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 11:52 PM CDT | Thunderstorm Wind 52 | Raymond, NE | |
| Jun 21, 12:40 AM CDT | Thunderstorm Wind 74 | Lincoln, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 4.8 hours before the alert went out and 65 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
- 2363 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1424 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 19.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 210450 SVROMA NEC025-109-153-210545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1149 PM CDT THU JUN 20 1996 THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL NEBRASKA ...CASS COUNTY...NORTHERN LANCASTER COUNTY ...WESTERN SARPY COUNTY AT 1150 PM CDT WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM IN NORRTHERN LANCASTER COUNTY 5 TO 10 MILES NORTH OF LINCOLN. THE STORM WAS MOVING EAST SOUTHEAST AT 25 MPH. AT CERESCO 45 TO 50 MPH WINDS WERE REPORTED AT 1142 PM CDT. PEOPLE IN THE WARNED AREA SHOULD GET INTO A REINFORCED SHELTER AND PREPARE FOR DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND DANGEROUS LIGHTNING. BYRD
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.
In the hours before
Special weather statement, Jun 20, 11:38 PM CDT, 11 minutes before
NEZ066-065-210545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1137 PM CDT THU JUN 20 1996 AT 1135 PM CDT WEATHER RADAR SHOWED A STRONG OUTFLOW BOUNDARY PUSHING SOUTHWARD THROUGH NORTHERN SEWARD AND NORTHERN LANCASTER COUNTIES OF SOUTHEAST NEBRASKA. THIS OUTFLOW WAS BEING CAUSED BY SEVERE THUNDERSTORMS TO THE NORTH OF LANCASTER AND SEWARD COUNTIES. STRONG WINDS OF 40 TO 50 MPH ARE POSSIBLE WITH THE PASSAGE OF THIS BOUNDARY WHICH SHOULD REACH LINCOLN BY MIDNIGHT. RESIDENTS OF SEWARD AND LANCASTER COUNTIES SHOULD BE ALERT TO THE POSSIBLE DEVELOPMENT OF SEVERE WEATHER AND HEAVY RAINS LATER TONIGHT. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BYRD (
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:01 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton | 59 min |
| Jun 20, 7:10 PM CDT | Tornado Warning | OAX | Burt | 35 min |
| Jun 20, 7:20 PM CDT | Severe Thunderstorm Warning | OAX | Washington | 55 min |
| Jun 20, 7:30 PM CDT | Severe Thunderstorm Warning | OAX | Dodge | 30 min |
| Jun 20, 7:39 PM CDT | Tornado Warning | OAX | Washington | 36 min |
| Jun 20, 7:56 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Dodge | 64 min |
| Jun 20, 8:16 PM CDT | Severe Thunderstorm Warning | OAX | Washington | 59 min |
| Jun 20, 8:27 PM CDT | Tornado Warning | OAX | Dodge | 48 min |
| Jun 20, 8:58 PM CDT | Tornado Warning | OAX | Washington | 47 min |
| Jun 20, 9:00 PM CDT | Flash Flood Warning | OAX | Colfax, Cuming, Dodge | 5 hr |
| Jun 20, 9:14 PM CDT | Tornado Warning | OAX | Dodge | 31 min |
| Jun 20, 9:26 PM CDT | Tornado Warning | OAX | Colfax, Platte | 49 min |
| Jun 20, 9:43 PM CDT | Tornado Warning | OAX | Washington | 47 min |
| Jun 20, 9:46 PM CDT | Tornado Warning | OAX | Saunders | 44 min |
| Jun 20, 9:55 PM CDT | Tornado Warning | OAX | Dodge | 35 min |
| Jun 20, 10:03 PM CDT | Tornado Warning | OAX | Douglas | 57 min |
| Jun 20, 10:09 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Colfax | 66 min |
| Jun 20, 10:20 PM CDT | Tornado Warning | OAX | Butler, Saunders | 55 min |
| Jun 20, 10:26 PM CDT | Tornado Warning | OAX | Washington | 49 min |
| Jun 20, 10:55 PM CDT | Tornado Warning | OAX | Douglas | 50 min |
| Jun 20, 11:09 PM CDT | Tornado Warning | OAX | Butler, Saunders | 66 min |
| Jun 20, 11:20 PM CDT | Flash Flood Warning | OAX | Butler, Saunders | 6 hr |
| Jun 20, 11:49 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 56 min |
| Jun 21, 12:26 AM CDT | Severe Thunderstorm Warning | OAX | Butler, Seward | 64 min |
| Jun 21, 12:47 AM CDT | Tornado Warning | OAX | Seward | 43 min |
| Jun 21, 12:52 AM CDT | Tornado Warning | OAX | Cass | 68 min |
| Jun 21, 12:57 AM CDT | Tornado Warning | OAX | Cass | 63 min |
| Jun 21, 1:59 AM CDT | Severe Thunderstorm Warning | OAX | Dodge, Washington | 46 min |
| Jun 21, 2:00 AM CDT | Severe Thunderstorm Warning | OAX | Burt, Cuming | 45 min |
| Jun 21, 3:51 AM CDT | Severe Thunderstorm Warning | OAX | Colfax, Platte | 54 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.