Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 59, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jun 24, 1998, 7:53 PM CDT for Knox County, Nebraska. It was in force for 62 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 24, 1998, 7:53 PM CDT (00:53 UTC)
- Expired
- Jun 24, 1998, 8:55 PM CDT
- In force
- 62 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Knox County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 8:21 PM CDT | Hail 1.75 | Verdigre, NE | |
| Jun 24, 8:30 PM CDT | Hail 0.88 | Niobrara, 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 |
|---|---|---|---|
| Jun 24, 6:30 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.9 hours before the alert went out and 255 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
- 6538 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 250053 RRA TOROMA NEC107-250155- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 753 PM CDT WED JUN 24 1998 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * TORNADO WARNING FOR... KNOX COUNTY IN NORTHEASTERN NEBRASKA * UNTIL 855 PM CDT * AT 752 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 17 MILES EAST NORTHEAST OF O NEILL OR 17 MILES WEST OF VERDIGRE MOVING EAST AT 30 MPH. * NO TOWNS ARE IN THE TORNADO PATH...BUT IT SHOULD AFFECT RURAL AREAS. 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. MEAD
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, Jun 24, 2:15 PM CDT, 5 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT ...ADDITIONAL STORM REPORTS
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
215 PM CDT WED JUN 24 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1022 PM HOWELLS NE 61 MPH TSTM GUST
06/23/98 COLFAX THUNDERSTORM GUST.
1045 PM OAKLAND NE 65 MPH TSTM GUST
06/23/98 BURT NUMEROUS TREES DAMAGED.
REPORTED BY COOP OBSERVERLocal storm report, Jun 24, 2:15 PM CDT, 5 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT ...ADDITIONAL STORM REPORTS
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
215 PM CDT WED JUN 24 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1022 PM HOWELLS NE 61 MPH TSTM GUST
06/23/98 COLFAX THUNDERSTORM GUST.
1045 PM OAKLAND NE 65 MPH TSTM GUST
06/23/98 BURT NUMEROUS TREES DAMAGED.
REPORTED BY COOP OBSERVERSpecial weather statement, Jun 24, 5:13 PM CDT, 2 hours 40 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-251200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 513 PM CDT WED JUN 24 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING OR TONIGHT IN EASTERN NEBRASKA AND SOUTHWEST IOWA. DISCUSSION... LATE THIS AFTERNOON...AN AREA OF LOW PRESSURE WAS OVER CENTRAL NEBRASKA WITH A WARM FRONT EXTENDING EAST ACROSS NORTHEASTERN NEBRASKA AND WESTERN IOWA. A DRYLINE ALSO EXTENDED SOUTH FROM THE SURFACE LOW INTO CENTRAL KANSAS. THUNDERSTORMS HAVE DEVELOPED OVER NORTH CENTRAL NEBRASKA THIS AFTERNOON AND ARE EXPECTED TO MOVE NORTHEAST ALONG THE WARM FRONT TONIGHT. THEREFORE...THE GREATEST RISK OF SEVERE WEATHER WILL BE OVER THE NORTHEASTERN PART OF THE OUTLOOK AREA...GENERALLY NORTH OF A NORFOLK TO PENDER TO ONAWA IOWA LINE. FARTHER SOUTH ALONG THE DRYLINE...WARM TEMPERATURES IN THE UPPER LEVELS OF THE ATMOSPHERE ARE EXPECTED TO LIMIT THUNDERSTORM ACTIVITY. HOWEVER...IF THUNDERSTORMS ARE ABLE TO DEVELOP...THEY WILL HAVE A GOOD CHANCE OF BECOMING SEVERE. LARGE HAIL AND DAMAGING WINDS WILL BE THE GREATEST THREAT FROM THESE STORMS...BUT A FEW TORNADOES WILL BE POSSIBLE...ESPECIALLY WITH STORMS MOVING ALONG THE WARM FRONT. MEAD
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:46 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Knox | 64 min |
| Jun 24, 8:47 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson | 48 min |
| Jun 24, 9:46 PM CDT | Severe Thunderstorm Warning | OAX | Butler | 49 min |
| Jun 24, 9:56 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders | 64 min |
| Jun 24, 10:06 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Washington | 64 min |
| Jun 24, 10:40 PM CDT | Severe Thunderstorm Warning | OAX | Pawnee, Richardson | 65 min |
| Jun 24, 10:52 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha | 63 min |
| Jun 24, 11:53 PM CDT | Flash Flood Warning | OAX | Dodge | 4 hr |
| Jun 25, 12:49 AM CDT | Severe Thunderstorm Warning | OAX | Burt | 36 min |
| Jun 25, 12:54 AM CDT | Severe Thunderstorm Warning | OAX | Richardson | 46 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.