Alert archive / Kansas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 99, NWS Wichita, KS
NWS Wichita, KS issued this severe thunderstorm warning at Aug 21, 1990, 6:13 PM CDT for Sumner County, Kansas. It was in force for 77 min. 3 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
- Aug 21, 1990, 6:13 PM CDT (23:13 UTC)
- Expired
- Aug 21, 1990, 7:30 PM CDT
- In force
- 77 min
- Issued by
- NWS Wichita, KS
- Area
- Whole counties
County Sumner County, KS
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 |
|---|---|---|---|
| Aug 21, 6:15 PM CDT | Thunderstorm Wind 80 | Sumner, KS | |
| Aug 21, 6:40 PM CDT | Hail 0.75 | Sumner, KS | |
| Aug 21, 7:15 PM CDT | Thunderstorm Wind 60 | Sumner, KS |
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
Dodge City, (KDDC), launched 12:00Z, 11.2 hours before the alert went out and 222 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
- 340 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 1694 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KICT 212314
SVRICT
KSC191-220015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
613 PM CDT TUE AUG 21 1990
THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL KANSAS
...SUMNER
AT 605 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 25 MPH NEAR
CALDWELL. VERY STRONG WINDS OF 60 + MPH AND LARGE HAIL CAN BE
EXPECTED. MOVEMENT WAS TO THE NORTHEAST AT 10 MPH.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.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 21, 5:47 PM CDT, 26 minutes before
SPECIAL WEATHER STATEMNWT AND RADAR SUMMARY. NATIONAL WEATHER SERVICE WICHITA KS 539 PM CDT TUE AUG 21 1990 AT 530 PM CDT...STRONG THUNDERSTORMS WERE IN NORTHERN OKLAHOMA JUST SOUTH OF THE BORDER 30 MILES WEST OF ARKANSAS CITY NEAR CALDWELL. ALTHOUGH THESE STORMS WERE NOT OVER KANSAS...THE BORDER AREA FROM ANTHONY TO ARKANSAS CITY COULD RECEIVE GUST OF 45 MPH AND SOME RAIN. THIS LOCATION RECEIVED SOME HEAVY RAINS LAST NIGHT...SO BE ON THE LOOK-OUT FOR SMALL STREAM FLOODING. PARTLY CLOUDY SKIES WITH WIDELY SCATTERED THUNDERSTORMS. 10 PM TEMPERATURES IN THE MID 80S...WITH OVERNIGHT LOW IN THE MID 70S. LR
Nearby
Severe Thunderstorm Warnings in Kansas, 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.