Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 252, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Jul 5, 1998, 11:32 PM CDT for Antelope County, Nebraska. It was in force for 48 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
- Jul 5, 1998, 11:32 PM CDT (04:32 UTC)
- Expired
- Jul 6, 1998, 12:20 AM CDT
- In force
- 48 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Antelope County, NE
The radar
The Omaha radar (KOAX), 170 km from the middle of the area, began a volume at 04:42 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, 4.5 hours before the alert went out and 170 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
- 2793 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 3.3
- Supercell composite
- 14.8
The text
As transmitted, in the capitals the NWS used until 2016.
147 WUUS1 KOMA 060433 RRA SVROMA NEC003-060520- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1132 PM CDT SUN JUL 5 1998 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ANTELOPE COUNTY IN NORTHEASTERN NEBRASKA * UNTIL 1220 AM CDT * AT 1130 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS 28 MILES EAST OF O NEILL OR 6 MILES NORTH NORTHEAST OF ROYAL MOVING SOUTH SOUTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CLEARWATER AROUND 1140 PM CDT NELIGH AROUND 1145 PM CDT OAKDALE AROUND 1155 PM CDT DAMAGING WINDS ARE LIKELY WITH THIS STORM. GET INTO A STURDY BUILDING. KEEP AWAY FROM WINDOWS AND GLASS DOORS. FOBERT
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 10:20 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 60 min |
| Jul 5, 10:28 PM CDT | Flash Flood Warning | OAX | Washington | 6 hr |
| Jul 5, 11:20 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 45 min |
| Jul 6, 3:51 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 64 min |
| Jul 6, 4:27 PM CDT | Severe Thunderstorm Warning | OAX | Antelope | 63 min |
| Jul 6, 4:30 PM CDT | Severe Thunderstorm Warning | OAX | Cedar | 65 min |
| Jul 6, 4:45 PM CDT | Tornado Warning | OAX | Antelope, Knox, Pierce | 60 min |
| Jul 6, 5:07 PM CDT | Tornado Warning | OAX | Cedar | 63 min |
| Jul 6, 5:19 PM CDT | Severe Thunderstorm Warning | OAX | Boone, Madison | 61 min |
| Jul 6, 5:19 PM CDT | Severe Thunderstorm Warning | OAX | Pierce, Wayne | 61 min |
| Jul 6, 5:26 PM CDT | Severe Thunderstorm Warning | OAX | Stanton | 79 min |
| Jul 6, 5:58 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Thurston | 67 min |
| Jul 6, 5:58 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Thurston | 62 min |
| Jul 6, 6:11 PM CDT | Tornado Warning | OAX | Colfax, Platte | 64 min |
| Jul 6, 6:16 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 64 min |
| Jul 6, 6:37 PM CDT | Severe Thunderstorm Warning | OAX | Dodge | 63 min |
| Jul 6, 6:59 PM CDT | Severe Thunderstorm Warning | OAX | Washington | 61 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1998Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.