Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 57, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 25, 1990, 9:20 PM CDT for Franklin County, Missouri. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- May 25, 1990, 9:20 PM CDT (02:20 UTC)
- Expired
- May 25, 1990, 10:00 PM CDT
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Franklin 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, 2.3 hours before the alert went out and 257 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
- 1797 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 316 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 3.3
- Supercell composite
- 17.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 260221 SVRSTL MOC071-260300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 920 PM CDT FRI MAY 25 1990 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS EXPANDED THE SEVERE THUNDERSTORM WARNING FOR FRANKLIN COUNTY MISSOURI TO THE ENTIRE COUNTY AND EXTENDED IT UNTIL 10 PM. A SEVERE THUNDERSTORM WAS LOCATED NEAR GERALD MISSOURI AT 915 PM. GERALD IS ABOUT 60 MILES WEST SOUTHWEST OF ST LOUIS. LAW ENFORCEMENT OFFICIALS IN FRANKLIN COUNTY REPORTED 70 MPH WINDS BLOWING OVER TREES NEAR GERALD AT ABOUT 910 PM. THE STORM WAS MOVING TO THE EAST AT 25 MPH AND WILL MOVE TOWARD UNION AND ST CLAIR MISSOURI BY AROUND 945 PM. THIS IS A VERY DANGEROUS STORM. PERSONS IN ITS PATH SHOULD BE ALERT FOR DAMAGING WIND...LARGE HAIL...DEADLY LIGHTNING AND EXTREMELY HEAVY RAIN. MCCARTHY
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, May 25, 6:27 PM CDT, 2 hours 53 minutes before
MOZ009-010-014-260030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 625 PM CDT FRI MAY 25 1990 ...STRONG THUNDERSTORMS WERE DEVELOPING OVER WEST CENTRAL MISSOURI... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND SOUTHWEST MIISOURI UNTIL MIDNIGHT... AT 625PM THE COLUMBIA WEATHER RADAR INDICATED TWO...STILL DEVELOPING... THUNDERSTORMS JUST NORTHWEST OF THE CITY OF SEDALIA MOVING EAST AT 25 MILES AN HOUR. THESE STORMS WILL PASS JUST NORTH OF SEDALIA WITHIN THE NEXT 30 MINUTES... CARRYING THE POTENTIAL FOR HEAVY RAINS...HAIL...AND STRONG GUSTY WINDS. OTHER...POTENTIALLY SEVERE...STORMS 50 MILES WEST OF SEDALIA WILL BE MOVING INTO SOUTHERN PETTIS COUNTY AFTER 700 PM. PERLOW
Special weather statement, May 25, 6:50 PM CDT, 2 hours 30 minutes before
MOZ012-260030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 650 PM CDT FRI MAY 25 1990 ...ISOLATED STORMS ARE STARTING TO POP ACROSS ST LOUIS... AT 650 PM...ONE OR TWO THUNDERSTORMS HAD DEVELOPED OVER SOUTH SECTIONS OF THE ST LOUIS AREA. WIDELY SCATTERED STORMS WILL PERSIST IN THE AREA THIS EVENING. MOST AREAS WILL REMAIN DRY HOWEVER A FEW PLACES MIGHT RECEIVE A BRIEF SOAKING. OTHERWISE...SEVERE STORMS HAD DEVELOPED WEST O/F COLUMBIA. THESE STORMS ARE MOVING EAST AND COULD REACH THE ST LOUIS AREA AFTER MIDNIGHT. FELDT
Special weather statement, May 25, 7:39 PM CDT, 1 hour 41 minutes before
MOZ009-010-014-260130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 730 PM CDT FRI MAY 25 1990 ...STRONG THUNDERSTORMS CONTINUED OVER WEST CENTRAL MISSOURI... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND SOUTHWEST MIISOURI UNTIL MIDNIGHT... AT 730PM THE COLUMBIA WEATHER RADAR INDICATED SEVERAL POTENTIALLY SEVERE STORMS MOVING THROUGH WEST CENTRAL MISSOURI. ONE WAS LOCATED JUST SOUTH OF SEDALIA IN SOUTHERN PETTIS COUNTY. ANOTHER DANGEROUS STORM WAS LOCATED IN SOUTHERN CAMDEN COUNTY...50 MILES SOUTHWEST OF JEFFERSON CITY. GOLF BALL SIZED HAIL HAS BEEN REPORTED IN AND AROUND WARRENSBURG MISSOURI... 30 MILES NORTHWEST OF SEDALIA AND PEA SIZED HAIL 10 MILES SOUTH OF CAMDENTON IN SOUTHERN CAMDEN COUNTY. THESE STORMS WERE MOVING EAST AT 20 MILES AN HOUR. THEY MAY PRODUCE HAIL...DAMAGING WINDS...HEAVY RAINS...AND DANGEROUS LIGHTNING AS THEY MOVE INTO THE CENTRAL PART OF THE STATE. PERLOW
Special weather statement, May 25, 9:12 PM CDT, 8 minutes before
MOZ009-010-014-260330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 915 PM CDT FRI MAY 25 1990 ...STRONG THUNDERSTORMS CONTINUED OVER ALL OF CENTRAL MISSOURI... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND SOUTHWEST MISSOURI UNTIL 1AM... TWO INTENSE THUNDERSTORMS WERE IN CENTRAL MISSOURI AT 910 PM. THE FIRST WAS 35 MILES EAST OF JEFFERSON CITY IN NORTHERN GASCONADE COUNTY. THE SECOND THUNDERSTORM WAS 25 MILES WEST OF JEFFERSON CITY NEAR VERSAILLES. THE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR. GOLF BALL SIZED HAIL WAS REPRTED IN NORTHERN MORGAN COUNTY AT 850 PM...AND WATER WAS REPORTED OVER THE ROAD AT THE JUNCTION OF HIGHWAY 65 AND 52 IN NORTHERN BENTON COUNTIES. OTHER VERY STRONG THUNDERSTORMS IN CENTRAL MISSOURI WERE 25 MILES NORTHWEST OF COLUMBIA NEAR FAYETTE...AND 30 MILES WEST OF COLUMBIA BUNCETON. SEVERE WEATHER IS LIKELY ALL ACROSS CENTRAL MISSOURI TONIGHT SO BE ON THE LOOKOUT FOR STRONG WINDS...LARGE HAIL...HEAVY RAIN AND POSSIBLE FLASH FLOODING....WITH VERY DANGEROUS CLOUD TO GROUND LIGHTNING. STAY INDOORS DURING A THUNDERSTORM...AVOID USING ELECTRICAL APPLIANCES AND LISTEN TO NOAA WEATHER RADIO...OR TELEVISION FOR THE LATEST UPDATES ON SEVERE WEATHER ACROSS CENTRAL MISSOURI TONIGHT. LA GREE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 9:52 PM CDT | Flash Flood Warning | LSX | Franklin | 3 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 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.