Alert archive / Missouri / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 33, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 28, 1989, 8:04 PM CDT for Washington County, Missouri. It was in force for 101 min.
The area
The counties it named.
The facts
- Issued
- Apr 28, 1989, 8:04 PM CDT (01:04 UTC)
- Expired
- Apr 28, 1989, 9:45 PM CDT
- In force
- 101 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Washington County, MO
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
Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.1 hours before the alert went out and 216 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1661 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -57 m²/s²
- 0-3 km storm-relative helicity
- -41 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 KSTL 290105
SVRSTL
MOC221-290245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
804 PM CDT FRI APR 28 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF
EAST CENTRAL MISSOURI...
NORTHERN WASHINGTON
AT 800 PM CDT A SEVERE THUNDERSTORM WAS JUST SOUTH OF SULLIVAN
MISSOURI...50 MILES SOUTHWEST OF ST LOUIS...MOVING TO THE EAST
NORTHEAST AT 25 MPH. THIS STORM PRODUCED GOLF BALL SIZE HAIL AT
STEELVILLE MISSOURI FROM 720 TO 730 PM.
PROTECT YOURSELF FROM THE DANGERS OF THIS SEVERE THUNDERSTORM AS IT
MOVES INTO NORTHERN WASHINGTON COUNTY MISSOURI BY STA<YING INDOORS...
AWAY FROM WINDOWS. AVOID USING ELECTRICAL APPLIANCES. REPORT ANY
LARGE HAIL OR DAMAGING WINDS TO THE NEAREST LAW ENFORCEMENT AGENCY FOR
RELAY TO THE NATIONAL WEATHER SERVICE AFTER THE STORM PASSES.
MCCARTHYWhat 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, Apr 28, 3:41 PM CDT, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 339 PM CDT FRI APR 28 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS FOR 4PM TO 10PM... AT 332 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND POSSIBLE HAIL WERE OCCURRING... 90 MILES SOUTHWEST OF ST LOUIS...BETWEEN FORT LEONARD WOOD AND BUNKER MISSOURI 110 MILES SOUTH OF ST LOUIS...BETWEEN EMINENCE AND POPLAR BLUFF MISSOURI. THE STORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR. OTHER STORMS AND SHOWERS WERE OCCURRING IN PARTS OF THE SOUTHEAST QUARTER OF MISSOURI. END
Special weather statement, Apr 28, 4:05 PM CDT, 3 hours 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 403 PM CDT FRI APR 28 1989 ...SEVERE THUNDERSTORM WATCH FOR SOUTHEAST MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS UNTIL 10 PM... AT 4 PM A VERY STRONG THUNDERSTORM WAS 50 MILES SOUTH OF ST LOUIS... JUST EAST OF BONNE TERRE MISSOURI. SEVERAL OTHER VERY STRONG STORMS WERE FARTHER SOUTH...BETWEEN CLEAR WATER LAKE AND POPLAR BLUFF IN SOUTHEAST MISSOURI. THESE STORMS COULD PRODUCE EXTREMELY HEAVY RAIN... STRONG WINDS...FREQUENT LIGHTNING AND HAIL. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER SOUTHEAST MISSOURI THROUGH THE EASTERN OZARKS REGION. THE STORMS WERE MOVING TO THE EAST AT 25 MILES AN HOUR. MCCARTHY
Special weather statement, Apr 28, 4:40 PM CDT, 3 hours 24 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 439 PM CDT FRI APR 28 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS UNTIL 10PM... AT 432 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND POSSIBLE HAIL WERE OCCURRING... IN A CLUSTER FROM 25 MILES SOUTH OF ST LOUIS NEAR CRYSTAL CITY MISSOURI TO 100 MILES SOUTH OF ST LOUIS AT POPLAR BLUFF MISSOURI 75 MILES AND 80 MILES SOUTHWEST OF ST LOUIS AT SALEM AND AT BUNKER MISSOURI. THE STORMS WERE SHOWING LITTLE TO NO MOVEMENT EASTWARD. OTHER STORMS AND SHOWERS WERE OCCURRING IN MOST OF THE SOUTHEAST QUARTER OF MISSOURI I=NTO THE EXTREME SOUTHERN TIP OF ILLINOIS. END
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:22 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 38 min |
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; the sounding from the Mesonet's radiosonde archive.