Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 77, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Oct 4, 1998, 4:30 PM CDT for Jefferson County, Saline County, Nebraska. It was in force for 50 min. 1 report 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
- Oct 4, 1998, 4:30 PM CDT (21:30 UTC)
- Expired
- Oct 4, 1998, 5:20 PM CDT
- In force
- 50 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Jefferson County, NE, Saline County, NE
The radar
The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 21:29 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 |
|---|---|---|---|
| Oct 4, 5:10 PM CDT | Hail 0.75 | Daykin, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 4, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.5 hours before the alert went out and 126 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
933 WFUS1 KOMA 042131 RRA TOROMA NEC095-151-042220- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 430 PM CDT SUN OCT 4 1998 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * TORNADO WARNING FOR... SALINE COUNTY IN SOUTHEASTERN NEBRASKA JEFFERSON COUNTY IN SOUTHEASTERN NEBRASKA * UNTIL 520 PM CDT * AT 430 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE TORNADO 51 MILES SOUTH OF YORK OR 21 MILES SOUTHWEST OF DAYKIN MOVING NORTH NORTHEAST AT 45 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... DAYKIN AROUND 450 PM CDT PEOPLE IN THE PATH OF THIS TORNADO SHOULD TAKE COVER IMMEDIATELY TO SAVE YOUR LIVES. MOVE TO A STURDY BUILDING...A BASEMENT IF POSSIBLE AND COVER YOUR HEAD FOR PROTECTION FROM FLYING DEBRIS. GW
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
Local storm report, Oct 4, 1:01 PM CDT, 3 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
101 PM CDT SUN OCT 04 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1110 AM ELKHORN NE 1.25 INCH HAIL
10/04/98 DOUGLAS
1114 AM UEHLING NE 1.75 INCH HAIL
10/04/98 DODGE
1125 AM 3 WSW BENNINGTON NE 1 INCH HAIL
10/04/98 DOUGLAS
1130 AM 3 W ELKHORN NE 1 INCH HAIL
10/04/98 DOUGLAS
1230 PM DOUGLAS NE 1 INCH HAIL
10/04/98 OTOE
ZAPOTOCNYLocal storm report, Oct 4, 1:01 PM CDT, 3 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
101 PM CDT SUN OCT 04 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1110 AM ELKHORN NE 1.25 INCH HAIL
10/04/98 DOUGLAS
1114 AM UEHLING NE 1.75 INCH HAIL
10/04/98 DODGE
1125 AM 3 WSW BENNINGTON NE 1 INCH HAIL
10/04/98 DOUGLAS
1130 AM 3 W ELKHORN NE 1 INCH HAIL
10/04/98 DOUGLAS
1230 PM DOUGLAS NE 1 INCH HAIL
10/04/98 OTOE
ZAPOTOCNYLocal storm report, Oct 4, 1:39 PM CDT, 2 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED 3W ELKHORN REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
139 PM CDT SUN OCT 04 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1110 AM ELKHORN NE 1.25 INCH HAIL
10/04/98 DOUGLAS
1114 AM UEHLING NE 1.75 INCH HAIL
10/04/98 DODGE
1125 AM 3 WSW BENNINGTON NE 1 INCH HAIL
10/04/98 DOUGLAS
1230 PM 3 W ELKHORN NE 1 INCH HAIL
10/04/98 DOUGLAS
1230 PM DOUGLAS NE 1 INCH HAIL
10/04/98 OTOE
ZAPOTOCNYLocal storm report, Oct 4, 1:39 PM CDT, 2 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED 3W ELKHORN REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
139 PM CDT SUN OCT 04 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1110 AM ELKHORN NE 1.25 INCH HAIL
10/04/98 DOUGLAS
1114 AM UEHLING NE 1.75 INCH HAIL
10/04/98 DODGE
1125 AM 3 WSW BENNINGTON NE 1 INCH HAIL
10/04/98 DOUGLAS
1230 PM 3 W ELKHORN NE 1 INCH HAIL
10/04/98 DOUGLAS
1230 PM DOUGLAS NE 1 INCH HAIL
10/04/98 OTOE
ZAPOTOCNYSpecial weather statement, Oct 4, 4:30 PM CDT, 0 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-051200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 430 PM CDT SUN OCT 4 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTERS ARE LIKELY TO BE REQUIRED OVER EASTERN NEBRASKA AND SOUTHWEST IOWA INTO THE NIGHT. DISCUSSION... A STRONG STORM CIRCULATION OVER THE CENTRAL AND SOUTHERN PLAINS HAS RECEIVED FURTHER SUPPORT THIS AFTERNOON FROM THE JET STREAM FROM THE SOUTHWEST. THERE IS A THREAT FOR MORE SEVERE WEATHER ACROSS EASTERN NEBRASKA THIS EVENING...POSSIBLY SPREADING INTO SOUTHWEST IOWA AS THE EVENING PROGRESSES. BRASKA AND SOUTHWEST IOWA ALSO. IN ADDITION TO THE THREAT OF SEVERE WEATHER...THE THUNDERSTORMS COULD CAUSE SOME LOCAL FLOODING FROM HEAVY RAINS...ESPECIALLY IN SOUTHEAST NEBRASKA WHERE HEAVIER RAINS HAVE OCCURRED PERIODICALLY OVER THE LAST COUPLE OF WEEKS. THE PRIMARY SEVERE WEATHER THREAT...BESIDES THE RAIN...IS FOR LARGE HAIL...BUT DAMAGING WINDS AND EVEN TORNADOES ARE POSSIBLE. POWERS
Special weather statement, Oct 4, 4:30 PM CDT, 0 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-051200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 430 PM CDT SUN OCT 4 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTERS ARE LIKELY TO BE REQUIRED OVER EASTERN NEBRASKA AND SOUTHWEST IOWA INTO THE NIGHT. DISCUSSION... A STRONG STORM CIRCULATION OVER THE CENTRAL AND SOUTHERN PLAINS HAS RECEIVED FURTHER SUPPORT THIS AFTERNOON FROM THE JET STREAM FROM THE SOUTHWEST. THERE IS A THREAT FOR MORE SEVERE WEATHER ACROSS EASTERN NEBRASKA THIS EVENING...POSSIBLY SPREADING INTO SOUTHWEST IOWA AS THE EVENING PROGRESSES. BRASKA AND SOUTHWEST IOWA ALSO. IN ADDITION TO THE THREAT OF SEVERE WEATHER...THE THUNDERSTORMS COULD CAUSE SOME LOCAL FLOODING FROM HEAVY RAINS...ESPECIALLY IN SOUTHEAST NEBRASKA WHERE HEAVIER RAINS HAVE OCCURRED PERIODICALLY OVER THE LAST COUPLE OF WEEKS. THE PRIMARY SEVERE WEATHER THREAT...BESIDES THE RAIN...IS FOR LARGE HAIL...BUT DAMAGING WINDS AND EVEN TORNADOES ARE POSSIBLE. POWERS
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 7:48 AM CDT | Severe Thunderstorm Warning | OAX | Madison, Platte | 47 min |
| Oct 4, 8:07 AM CDT | Severe Thunderstorm Warning | OAX | Pierce, Wayne | 33 min |
| Oct 4, 10:50 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Otoe | 35 min |
| Oct 4, 10:58 AM CDT | Severe Thunderstorm Warning | OAX | Burt, Dodge | 32 min |
| Oct 4, 11:20 AM CDT | Severe Thunderstorm Warning | OAX | Douglas, Washington | 35 min |
| Oct 4, 11:34 AM CDT | Severe Thunderstorm Warning | OAX | Burt | 36 min |
| Oct 4, 11:46 AM CDT | Severe Thunderstorm Warning | OAX | Douglas, Sarpy | 34 min |
| Oct 4, 11:46 AM CDT | Severe Thunderstorm Warning | OAX | Cass | 34 min |
| Oct 4, 12:21 PM CDT | Severe Thunderstorm Warning | OAX | Otoe | 34 min |
| Oct 4, 12:30 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 30 min |
| Oct 4, 12:45 PM CDT | Severe Thunderstorm Warning | OAX | Washington | 35 min |
| Oct 4, 12:45 PM CDT | Severe Thunderstorm Warning | OAX | Douglas | 35 min |
| Oct 4, 2:50 PM CDT | Severe Thunderstorm Warning | OAX | Seward | 35 min |
| Oct 4, 2:57 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 33 min |
| Oct 4, 3:06 PM CDT | Severe Thunderstorm Warning | OAX | Butler | 34 min |
| Oct 4, 5:23 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Lancaster, Saline | 47 min |
| Oct 4, 6:50 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Otoe | 35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.