Alert archive / Missouri / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 31, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 28, 1989, 5:27 PM CDT for Crawford County, Missouri. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- Apr 28, 1989, 5:27 PM CDT (22:27 UTC)
- Expired
- Apr 28, 1989, 6:00 PM CDT
- In force
- 33 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Crawford 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 12:00Z, 10.5 hours before the alert went out and 251 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
- 11 J/kg
- Mixed-layer CIN
- -388 J/kg
- Mixed-layer LCL
- 1794 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Apr 28, 3:41 PM CDT, 1 hour 46 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, 1 hour 22 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, 47 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 27, 7:05 PM CDT | Severe Thunderstorm Warning | LSX | Scotland | 55 min |
| Apr 27, 7:43 PM CDT | Tornado Warning | LSX | Clark | 47 min |
| Apr 27, 8:07 PM CDT | Severe Thunderstorm Warning | LSX | Scotland | 53 min |
| Apr 27, 8:33 PM CDT | Tornado Warning | LSX | Clark | 42 min |
| Apr 27, 8:50 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 55 min |
| Apr 28, 4:07 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 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.