Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 68, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 27, 1990, 9:07 PM MDT for Keith County, Perkins County, Nebraska. It was in force for 68 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 27, 1990, 9:07 PM MDT (03:07 UTC)
- Expired
- Jun 27, 1990, 10:15 PM MDT
- In force
- 68 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Keith County, NE, Perkins 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 27, 9:40 PM MDT | Thunderstorm Wind 0 | Keith, NE | |
| Jun 27, 10:14 PM MDT | Thunderstorm Wind 0 | Keith, 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.1 hours before the alert went out and 89 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
- 1180 J/kg
- Mixed-layer CIN
- -208 J/kg
- Mixed-layer LCL
- 2850 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLBF 280307
SVRLBF
NEC135-101-280415-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
907 PM MDT WED JUN 27 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1015 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHWEST PART OF NEBRASKA
NORTHERN PERKINS...SOUTHERN KEITH
AT 900 PM MDT A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTH OF
BRULE WHICH IS 48 MILES WEST OF NORTH PLATTE. THE DEPUTY SHERIFF
IN BRULE REPORTED GOLF BALL SIZE HAIL..GUSTY WINDS..AND VERY
HEAVY RAIN WITH THIS STORM. THE STORM IS MOVING EAST AT 20 MILES
PER HOUR.
IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
LARGE HAIL GREATER THAN 3/4 INCH IN DIAMETER...DEADLY LIGHTNING
AND VERY HEAVY RAIN THAT CAN FLOOD A LOW LYING AREA QUICKLY.
REPORTS OF SEVERE WEATHER OR DAMAGE CAN BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
ABBAS 0300ZWhat forecasters said that day
The local office's own words before this severe thunderstorm 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 27, 5:31 PM MDT, 3 hours 36 minutes before
NEZ012-016-272320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 530 PM MDT WED JUN 27 1990 AT 530 PM MDT...THE LEADING EDGE OF A 30 MILE WIDE AREA OF THUNDERSTORMS HAVE MOVED INTO SOUTHWESTERN NEBRASKA. THE THUNDERSTORMS WERE LOCATED ABOUT 15 MILES NORTHWEST OF OGALLALA NEBRASKA WHICH IS ABOUT 50 MILES WEST OF NORTH PLATTE. THE AREA OF THUNDERSTORMS EXTENDED SOUTHWARD TO NEAR GRANT NEBRASKA ...ABOUT 49 MILES WEST SOUTHWEStT OF NORTH PLATTE NEBRASKA. BRIEF GUSTY WINDS WERE REPORTED BY THE OGALLALA POLICE DEPARTMENT NEAR LAKE MCCONAUGHY...ABOUT 515 PM MDT. NEWLAND
Special weather statement, Jun 27, 6:59 PM MDT, 2 hours 8 minutes before
NEZ006-012-280145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 655 PM MDT WED JUN 27 1990 AT 650 PM MDT...A LINE OF SHOWERS AND THUNDERSTORMS WAS MOVING ACROSS ARTHUR..MCPHERSON..AND KEITH COUNTIES OF SOUTHWEST NEBRASKA. THE LINE WAS LOCATED FROM 10 MILES NORTHEAST OF CALORA WHICH IS 45 MILES NORTHWEST OF NORTH PLATTE TO 10 MILES SOUTH OF KEYSTONE WHICH IS 45 MILES WEST OF NORTH PLATTE. THE STRONGEST THUNDERSTORM WAS LOCATED 5 MILES NORTHEAST OF CALORA. THIS THUNDERSTORM MAY PRODUCE A BRIEF PERIOD OF HEAVY RAIN..GUSTY WINDS.. AND SMALL HAIL. THE OTHER THUNDERSTORMS WILL BE MAINLY ACCOMPANIED BY LIGHT RAIN AND STRONG WINDS. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 20 MILES PER HOUR. ABBAS
Nearby
Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning 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.