Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 91, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 22, 1990, 4:37 PM CDT for Brown County, Keya Paha County, Nebraska. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Aug 22, 1990, 4:37 PM CDT (21:37 UTC)
- Expired
- Aug 22, 1990, 5:30 PM CDT
- In force
- 53 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Brown County, NE, Keya Paha 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 12:00Z, 9.6 hours before the alert went out and 181 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
- 163 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 1469 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOFK 222141 COR
SVROFK
NEC017-103-222230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTION
SEVERE THUNDERSTORM WARNING ADDED STORM MOVEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
437 PM CDT WED AUG 22 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTH CENTRAL PART OF NEBRASKA
BROWN...KEYA PAHA
AT 432 PM CDT NORFOLK RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS FROM 45 MILES SOUTHEAST OF VALENTINE...OR 15 MILES
NORTHEAST OF AINSWORTH TO 40 MILES SOUTHSOUTHEAST OF VALENTINE.
THESE STORMS LIKELY CONTAIN LARGE DAMAGING HAIL.
THE WARNING INCLUDES THE TOWNS OF SPRINGVIEW AND AINSWORTH.
MOVEMENT WAS NORTHEAST AT 20 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING
AREA. SEVERE THUNDERSTORMS CAN ALSO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING.
PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INSIDE A STRONG
BUILDING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS QUICKLY FLOOD
ROADWAYS...DO NOT DRIVE INTO WATER COVERED ROADWAYS.)
A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHCENTRAL
NEBRASKA UNTIL 9 PM CDT.
MILLER 2141ZWhat 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, Aug 22, 4:30 PM CDT, 7 minutes before
NEZ006-012-016-222220 SPECIAL WEATHER STATEMENT AND WEATHER UPDATE NATIONAL WEATHER SERVICE NORTH PLATTE NE 425 PM CDT TUE AUG 22 1990 ...A SEVERE THUNDERSTORM WATCH FOR SOUTHWEST AND WEST CENTRAL NEBRASKA UNTIL 9 PM CDT. THUNDERSTORMS WERE DEVELOPING ALONG A LINE FROM 15 NORTHEAST OF THEDFORD IN THOMAS COUNTY OR 51 MILES NORTH OF NORTH PLATTE TO 25 MILES NORTHWEST OF NORTH PLATTE TO 35 MILES SOUTH SOUTHWEST OF NORTH PLATTE NEBRASKA. THE STRONGEST THUNDERSTORMS WAS 10 MILES SOUTH SOUTHWEST TO 3 MILES NORTH NORTHWEST OF TYRON OR ABOUT 28 MILES NORTH NORTHWEST OF NORTH PLATTE NEBRASKA. THUNDERSTORMS ARE ALSO FORMING IN EXTREME SOUTHWEST NEBBRASKA NEAR BENKELMAN OR 41 MILES NORTH OF GOODLAND KANSAS. THESE STORMS WERE MOVING NORTH NORTHEAST AT 15 MPH. FOR THE REST OF THIS EVENING THUNDERSTORMS WILL BE MOVING THROUGH THE AREA WITH TEMPERATURES IN THE MID 80S TO LOW 90S. BS
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:20 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 25 min |
| Aug 22, 5:23 PM CDT | Severe Thunderstorm Warning | LBF | Thomas | 67 min |
| Aug 22, 5:35 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha, Rock | 55 min |
| Aug 22, 6:23 PM CDT | Severe Thunderstorm Warning | LBF | Thomas | 57 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.