Alert archive / Missouri / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 70, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Aug 28, 1989, 7:04 PM CDT for Johnson County, Lafayette County, Missouri. It was in force for 56 min. 1 report 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 28, 1989, 7:04 PM CDT (00:04 UTC)
- Expired
- Aug 28, 1989, 8:00 PM CDT
- In force
- 56 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Johnson County, MO, Lafayette County, MO
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 28, 7:50 PM CDT | Thunderstorm Wind 52 | Johnson, MO |
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
Topeka, KS (KTOP), launched 00:00Z, 0.1 hours before the alert went out and 160 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
- 4158 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1258 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 15.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 28, 4:38 PM CDT, 2 hours 26 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 28, 6:30 PM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 531 PM CDT MON AUG 28 1989 AT 530 PM CDT...A STRONG THUNDERSTORM WAS OVER EXTREME NORTHEAST JACKSON COUNTY...ABOUT 20 MILES EAST OF KANSAS CITY...AND SCATTERED SHOWERS WERE OVER NORTHCENTRAL MISSOURI AND SOUTHCENTRAL IOWA. THE STORM IN NORTHEAST JACKSON COUNTY HAD PRODUCED SMALL HAIL RECENTLY AND WILL CONTINUE TO PRODUCE HAIL...STRONG GUSTY WINDS AND BRIEF VERY HEAVY RAIN AS IT MOVES EAST ACROSS SOUTHERN RAY AND NORTHERN LAFAYETTE BETWEEN 530 AND 630 PM CDT. PRECIPITATION WAS MOVING EAST AT 20 MPH.
Special weather statement, Aug 28, 6:32 PM CDT, 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 631 PM CDT MON AUG 28 1989...CORRRECTION AT 630 PM CDT...A STRONG THUNDERSTORM WAS OVER EXTREME NORTHEAST JACKSON COUNTY...ABOUT 20 MILES EAST OF KANSAS CITY...AND SCATTERED SHOWERS WERE OVER NORTHCENTRAL MISSOURI AND SOUTHCENTRAL IOWA. THE STORM IN NORTHEAST JACKSON COUNTY HAD PRODUCED SMALL HAIL RECENTLY AND WILL CONTINUE TO PRODUCE HAIL...STRONG GUSTY WINDS AND BRIEF VERY HEAVY RAIN AS IT MOVES EAST ACROSS SOUTHERN RAY AND NORTHERN LAFAYETTE BETWEEN 530 AND 630 PM CDT. PRECIPITATION WAS MOVING EAST AT 20 MPH.
Special weather statement, Aug 28, 6:33 PM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 631 PM CDT MON AUG 28 1989...CORRRECTION AT 630 PM CDT...A STRONG THUNDERSTORM WAS OVER EXTREME NORTHEAST JACKSON COUNTY...ABOUT 20 MILES EAST OF KANSAS CITY...AND SCATTERED SHOWERS WERE OVER NORTHCENTRAL MISSOURI AND SOUTHCENTRAL IOWA. THE STORM IN NORTHEAST JACKSON COUNTY HAD PRODUCED SMALL HAIL RECENTLY AND WILL CONTINUE TO PRODUCE HAIL...STRONG GUSTY WINDS AND BRIEF VERY HEAVY RAIN AS IT MOVES EAST ACROSS SOUTHERN RAY AND NORTHERN LAFAYETTE BETWEEN 630 AND 730 PM CDT. PRECIPITATION WAS MOVING EAST AT 20 MPH.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 11:25 PM CDT | Flash Flood Warning | EAX | Buchanan | 3 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 1989Every severe thunderstorm warning in 1989
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.