Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 72, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 26, 1990, 7:49 PM MDT for Keith County, Nebraska. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jul 26, 1990, 7:49 PM MDT (01:49 UTC)
- Expired
- Jul 26, 1990, 8:45 PM MDT
- In force
- 56 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Keith County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.8 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
- 1319 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1997 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 50 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 KLBF 270149
SVRLBF
NEC101-270245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
749 PM MDT THU JUL 26 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 845 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTHWEST PART OF NEBRASKA
KEITH
AT 745 PM MDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR IN
WESTERN KEITH COUNTY NEAR OGALLAL. THIS THUNDERSTORM WAS MOVING
NORTHEAST AT 25 MILES PER HOUR..AND HAS PRODUCED PEA TO MARBLE
SIZE HAIL NEAR OGALLALA.
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.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEmATHER CONDITIONS.
ABBAS 0145ZWhat 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, Jul 26, 3:36 PM MDT, 4 hours 13 minutes before
NEZ006-012-017-262230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 330 PM CDT THU JUL 26 1990 ...THUNDERSTORMS MOVING OUT OF THE PANHANDLE INTO WEST CENTRAL NE... ...TORNADO WATCH FOR WESTERN COUNTIES UNTIL 9PM MDT... AT 330 PM MDT...THUNDERSTORMS WERE MOVING OUT OF THE PANHANDLE INTO WEST CENTRAL NEBRASKA. THE STRONGEST THUNDERSTORMS WAS 20 MILES WEST OF ARTHUR IN ARTHUR COUNTY WHICH IS 72 MILES WEST NORTHWEST OF NORTH PLATTE, NEBRASKA. THE THUNDERSTORMS WAS MOVING EAST NORTHEAST AT 15 MILES PER HOUR. THE THUNDERSTORMS CAN PRODUCE BRIEF HEAVY RAIN..DANGEROUS LIGHTNING.. HAIL AND GUSTY SURFACE WINDS OF 30 TO 40 MPH. HETZKE
Special weather statement, Jul 26, 4:42 PM MDT, 3 hours 7 minutes before
NEZ006-012-017-262330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 430 PM CDT THU JUL 26 1990 ...THUNDERSTORMS MOVING OUT OF THE PANHANDLE INTO WEST CENTRAL NE... ...TORNADO WATCH FOR WESTERN COUNTIES UNTIL 9PM MDT... AT 430 PM MDT...THUNDERSTORMS CONTINUE TO MOVE OUT OF THE PANHANDLE INTO WEST CENTRAL NEBRASKA. THE STRONGEST THUNDERSTORMS WAS 25 MILES NORTHWEST OF OGALLALA IN WESTERN KEITH COUNTY OR 75 MILES WEST NORTHWEST OF NORTH PLATTE, NEBRASKA. THE THUNDERSTORMS WERE MOVING EAST AT 15 MILES PER HOUR WILL BE MOVING INTO OGALLALA BY 515 PM MDT. THE THUNDERSTORMS WERE PRODUCEING BRIEF HEAVY RAIN..DANGEROUS LIGHTNING.. HAIL AND GUSTY SURFACE WINDS OF 30 TO 40 MPH. HETZKE
Special weather statement, Jul 26, 5:46 PM MDT, 2 hours 3 minutes before
NEZ006-012-017-270030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 640 PM CDT THU JUL 26 1990 ...THUNDERSTORMS ACROSS SOUTHWEST AND WEST CENTRAL NE... ...TORNADO WATCH FOR WESTERN COUNTIES UNTIL 9PM MDT... AT 640 PM CDT...THUNDERSTORMS WERE EXTENDING ACROSS WESTERN ARTHUR AND KEITH COUNTRY. THE STRONGEST THUNDERSTORMS WAS 25 MILES NORTHWEST OF OGALLALA IN WESTERN KEITH COUNTY OR 75 MILES WEST NORTHWEST OF NORTH PLATTE, NEBRASKA. ANOTHER AREA OF THUNDERSTORMS WERE NORTH OF MCCOOK IN NORTHERN RED WILLOW COUNTY OR 50 MILES SOUTH OF NORTH PLATTE TO NEAR HAYES CENTER CENTRAL HAYES COUNTY OR 37 MILES SOUTHWEST OF NORTH PLATTE. THE THUNDERSTORMS WERE MOVING EAST AT 10 MPHi. THE THUNDERSTORMS CAN PRODUCE BRIEF HEAVY RAIN..DANGEROUS LIGHTNING.. HAIL AND GUSTY SURFACE WINDS OF 30 TO 40 MPH. HETZKE
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 6:27 PM MDT | Severe Thunderstorm Warning | LBF | Frontier | 63 min |
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; the sounding from the Mesonet's radiosonde archive.