Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 93, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Aug 22, 1990, 5:35 PM CDT for Brown County, Keya Paha County, Rock County, Nebraska. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Aug 22, 1990, 5:35 PM CDT (22:35 UTC)
- Expired
- Aug 22, 1990, 6:30 PM CDT
- In force
- 55 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Brown County, NE, Keya Paha County, NE, Rock 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, 10.6 hours before the alert went out and 177 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 222235 SVROFK NEC017-103-149-222330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORFOLK NE 535 PM CDT WED AUG 22 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A S
What 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, 1 hour 5 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, 4:37 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha | 53 min |
| Aug 22, 5:23 PM CDT | Severe Thunderstorm Warning | LBF | Thomas | 67 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.