Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 45, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jun 20, 1998, 5:24 PM CDT for Pawnee 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 20, 1998, 5:24 PM CDT (22:24 UTC)
- Expired
- Jun 20, 1998, 5:55 PM CDT
- In force
- 31 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Pawnee County, NE
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 20, 3:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.4 hours before the alert went out and 133 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
- 3330 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
503 WFUS1 KOMA 202225 RRA TOROMA NEC133-202255- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 524 PM CDT SAT JUN 20 1998 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN PAWNEE COUNTY IN SOUTHEASTERN NEBRASKA * UNTIL 555 PM CDT * AT 522 PM CDT... SPOTTERS REPORTED A TORNADO 33 MILES WEST OF FALLS CITY OR 9 MILES SOUTH SOUTHWEST OF PAWNEE CITY MOVING EAST SOUTHEAST AT 25 MPH. * THE TORNADO IS EXPECTED TO AFFECT RURAL AREAS WEST OF DUBOIS. IF YOU ARE IN THE WARNED AREA...TAKE SHELTER IN A BASEMENT IF ONE IS AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. DAS
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, 4:30 PM CDT, 54 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-211200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 430 PM CDT SAT JUN 20 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTERS WILL CONTINUE TO BE REQUIRED THIS EVENING OVER PART OF EAST CENTRAL AND MUCH OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA THROUGH THIS EVENING. DISCUSSION... A COLD FRONT FROM MOVING SOUTHEAST FROM JUST NORTH OF OMAHA TO NEAR BEATRICE WILL CONTINUE THE THREAT OF SEVERE WEATHER FROM THUNDERSTORMS ALONG AND EAST OF THE FRONT THIS EVENING. THE SEVERE WEATHER COULD INCLUDE TORNADOES. IN ADDITION...HEAVY RAINS FROM THE THUNDERSTORMS COULD CAUSE FLASH FLOODING. NO THUNDERSTORM ACTIVITY IS EXPECTED OVER NORTHEAST NEBRASKA. STORMS SPOTTER AND EMERGENCY MANAGERS SHOULD MONITOR DEVELOPMENTS CLOSELY THOUGH THE EVENING. POWERS
Special weather statement, Jun 20, 4:30 PM CDT, 54 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-211200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 430 PM CDT SAT JUN 20 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTERS WILL CONTINUE TO BE REQUIRED THIS EVENING OVER PART OF EAST CENTRAL AND MUCH OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA THROUGH THIS EVENING. DISCUSSION... A COLD FRONT FROM MOVING SOUTHEAST FROM JUST NORTH OF OMAHA TO NEAR BEATRICE WILL CONTINUE THE THREAT OF SEVERE WEATHER FROM THUNDERSTORMS ALONG AND EAST OF THE FRONT THIS EVENING. THE SEVERE WEATHER COULD INCLUDE TORNADOES. IN ADDITION...HEAVY RAINS FROM THE THUNDERSTORMS COULD CAUSE FLASH FLOODING. NO THUNDERSTORM ACTIVITY IS EXPECTED OVER NORTHEAST NEBRASKA. STORMS SPOTTER AND EMERGENCY MANAGERS SHOULD MONITOR DEVELOPMENTS CLOSELY THOUGH THE EVENING. POWERS
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 2:30 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 50 min |
| Jun 20, 2:54 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 51 min |
| Jun 20, 3:11 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Saline | 49 min |
| Jun 20, 3:17 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 48 min |
| Jun 20, 3:31 PM CDT | Tornado Warning | OAX | Gage | 49 min |
| Jun 20, 3:54 PM CDT | Severe Thunderstorm Warning | OAX | Otoe | 46 min |
| Jun 20, 4:05 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 35 min |
| Jun 20, 4:18 PM CDT | Tornado Warning | OAX | Gage, Pawnee | 32 min |
| Jun 20, 4:27 PM CDT | Severe Thunderstorm Warning | OAX | Johnson | 48 min |
| Jun 20, 4:50 PM CDT | Tornado Warning | OAX | Pawnee | 35 min |
| Jun 20, 4:58 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha, Otoe | 52 min |
Nearby
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes in 1998
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.