Alert archive / Nebraska / Tornado Warnings in 1996
Tornado Warning 45, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jun 21, 1996, 12:47 AM CDT for Seward County, Nebraska. It was in force for 43 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 21, 1996, 12:47 AM CDT (05:47 UTC)
- Expired
- Jun 21, 1996, 1:30 AM CDT
- In force
- 43 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Seward County, NE
The radar
The Omaha radar (KOAX), 82 km from the middle of the area, began a volume at 05:49 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 00:00Z, 5.8 hours before the alert went out and 81 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 210549 TOROMA NEC159-210630- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1247 AM CDT FRI JUN 21 1996 THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL NEBRASKA ...SEWARD COUNTY AT 1245 AM CDT DOPPLER RADAR INDICATED A POSSIBLE TORNADO 5 MILES WEST OF BEE...30 MILES NORTHWEST OF LINCOLN. THE STORM WAS MOVING EAST/SOUTHEAST AT 20 MPH WITH BEE..GARLAND AND SEWARD IN ITS PATH. THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING FOR SEWARD COUNTY THAT WAS TO EXPIRE AT 130 AM. A SEVERE THUNDERSTORM WARNING CONTINUES FOR EXTREME SOUTH*EAST BUTLER COUNTY UNTIL 130 AM. PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. CHERMOK
What forecasters said that day
The local office's own words before this tornado 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, 1 hour 9 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 (
Special weather statement, Jun 21, 12:20 AM CDT, 27 minutes before
NEZ004-005-022-023-035-056>058-069-210620-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1219 AM CDT (1119 PM MDT) FRI JUN 21 1996
...SEVERE THUNDERSTORM WATCH 650 CANCELLED FOR PORTIONS OF WESTERN
NEBRASKA...
SEVERE THUNDERSTORM WATCH NUMBER 650 IS NO LONGER IN EFFECT FOR THE
FOLLOWING COUNTIES OF WESTERN NEBRASKA...
SHERIDAN...CHERRY...GARDEN...GRANT...DEUEL AND ARTHUR.
THE WATCH CONTINUE IN EFFECT UNTIL 1AM CDT/MFIDNIGHT FOR AREAS OF
SOUTHWEST NEBRAASKA INCLUDING KEITH...PERKINS AND CHASE COUNTIES.
GWThe 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 20, 11:49 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 56 min |
| Jun 21, 12:26 AM CDT | Severe Thunderstorm Warning | OAX | Butler, Seward | 64 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
Tornado Warnings in Nebraska, 1996Every tornado warning in 1996Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.