Alert archive / Nebraska / Tornado Warnings in 1990
Tornado Warning 20, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Jun 12, 1990, 8:35 PM CDT for Boone County, Platte County, Nebraska. It was in force for 25 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
- Jun 12, 1990, 8:35 PM CDT (01:35 UTC)
- Expired
- Jun 12, 1990, 9:00 PM CDT
- In force
- 25 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Boone County, NE, Platte County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 8:58 PM CDT | Hail 1.75 | Platte, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.6 hours before the alert went out and 124 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3586 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 227 m²/s²
- 0-3 km storm-relative helicity
- 349 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOFK 130135
TOROFK
NEC011-141-130200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
835 PM CDT TUE JUN 12 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHEAST PART OF NEBRASKA
SOUTHEAST BOONE...WESTERN PLATTE
AT 830 PM CDT RADAR INDICATED A POSSIBLE TORNADO NEAR BELGRADE...
OR ABOUT 40 MILES SOUTHWEST OF NORFOLK MOVING NORTHEAST AT 45 MPH.
THE COMMUNITIES INCLUDED IN THIS WARNING ARE BOONE...ST EDWARD...
LINDSAY AND MONROE.
IF YOU LIVE IN THE WARNED AREA TAKE IMMEDIATE COVER.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN
THE PATH OF THIS TORNADO TAKE SHELTER BELOW GROUND IF POSSIBLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID
WINDOWS. ABANDON CARS AND MOBILE HOMES...TAKE COVER IN A REINFORCED
BUILDING OR GET INTO A DITCH OR CULVERT.
TORNADO WATCH IN EFFECT UNTIL 1 AM CDT THIS WEDNESDAY MORNING.
KLEFFMANThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 9:00 PM CDT | Tornado Warning | LBF | Boone, Madison, Platte | 30 min |
| Jun 12, 9:21 PM CDT | Tornado Warning | LBF | Madison, Stanton, Wayne | 39 min |
| Jun 12, 9:32 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 58 min |
| Jun 12, 9:51 PM CDT | Severe Thunderstorm Warning | LBF | Boone | 39 min |
| Jun 12, 10:01 PM CDT | Tornado Warning | LBF | Custer | 29 min |
| Jun 12, 10:31 PM CDT | Severe Thunderstorm Warning | LBF | Madison, Platte, Stanton | 44 min |
| Jun 12, 10:31 PM CDT | Severe Thunderstorm Warning | LBF | Boone | 44 min |
| Jun 12, 11:16 PM CDT | Severe Thunderstorm Warning | LBF | Cuming, Madison, Pierce, Stanton, Wayne | 59 min |
| Jun 12, 11:16 PM CDT | Severe Thunderstorm Warning | LBF | Platte | 59 min |
| Jun 13, 12:13 AM CDT | Severe Thunderstorm Warning | LBF | Colfax, Cuming, Stanton | 62 min |
Nearby
Tornado Warnings in Nebraska, 1990Every tornado warning in 1990Tornadoes in 1990
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.