Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 37, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 10, 1993, 6:48 PM CDT for Lincoln County, Saint Charles County, Missouri. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- May 10, 1993, 6:48 PM CDT (23:48 UTC)
- Expired
- May 10, 1993, 7:45 PM CDT
- In force
- 57 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Lincoln County, MO, Saint Charles County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.8 hours before the alert went out and 277 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
- 181 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1001 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSTL 102349 SVRLSX MOC113-183-110045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 648 PM CDT MON MAY 10 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...LINCOLN COUNTY...ST CHARLES COUNTY AT 640 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHWEST OF ST LOUIS. THIS STORM WAS MOVING TOWARD THE NORTHWEST AT 30 MPH. POWER LINES HAVE BEEN DOWNED AT HIGHWAY 94 AND HIGHWAY 40. TREE LIMBS WERE DOWNED AT CENTRAL SCHOOL ROAD AND HIGHWAY N. PERSONS IN ST PETERS...OFALLON...ST PAUL...MOSCOW MILLS SHOULD EXPECT LARGE HAIL AND DAMAGING WIND BETWEEN 650 AND 716 PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. TUCKER &
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 10, 5:26 PM CDT, 1 hour 22 minutes before
MOZ012-017-018-301400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 520 PM CDT MON MAY 10 1993 ...STRONG THUNDERSTORMS WERE OCCURRING ACROSS PORTIONS OF EASTERN MISSOURI... AT 515 PM...A HAM RADIO OPERATOR REPORTED PEA SIZED HAIL AND VERY HEAVY RAIN IN EASTERN CLAYTON...IN ST LOUIS COUNTY. THE VISIBILITY WAS DOWN TO ABOUT 20 YARDS IN THE RAIN. MOTORISTS ARE URGED TO DRIVE CAREFULLY AS VERY HEAVY RAIN WILL CAUSE PONDING ON ROADWAYS. SCATTERED THUNDERSTORMS WITH SMALL HAIL AND VERY HEAVY RAIN WILL CONTINUE ACROSS EAST MISSOURI THIS EVENING. THESE STORMS WERE MOVING TO THE NORTH NORTHWEST AROUND 35 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF EAST MISSOURI UNTIL 900 PM...WHICH INCLUDES THE ENTIRE ST LOUIS METROPOLITAN AREA.
Special weather statement, May 10, 5:29 PM CDT, 1 hour 19 minutes before
MOZ007-011-012-018-022-ILZ009-011-012-013-110030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 525 PM CDT MON MAY 10 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF EASTERN MISSOURI AND PARTS OF CENTRAL AND SOUTHWEST ILLINOIS UNTIL 900 PM... ...THE SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTHEAST MISSOURI CONTINUES IN EFFECT UNTIL 600 PM... AT 520 PM...A SEVERE THUNDERSTORM WATCH HAS JUST BEEN ISSUED FOR MOST OF EASTERN MISSOURI EXCEPT THE NORTHEAST TIP AND WEST CENTRAL AND SOUTHWEST ILLINOIS UNTIL 900 PM. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR THE EXTREME SOUTHEAST PORTION OF MISSSOURI UNTIL 600 PM. STRONG THUNDERSTORMS CONTINUE TO DEVELOP FROM WEST OF SPRINGFIELD SOUTH THROUGH THE ST. LOUIS METRO AREA THROUGH FARMINGTON TO WEST OF CAPE GIRARDEAU. GOLF BALL SIZE HAIL WAS REPORTED EARLIER AT 420 PM IN FREDERICKTOWN BUT THIS HAS ENDED. PEA SIZE HAIL WAS REPORTED AT 515 PM IN THE ST. LOUIS METRO AREA NEAR CLAYTON. RESIDENTS IN AND CLOSE TO THE WATCH AREA SHOULD CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS DURING THIS DANGEROUS WWEATHER SITUATION. IF THEATENING WEATHER APPROACHES SEEK SAFE SHELTER IMMEDIATELY. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS AND LARGE HAIL. GKS &
Special weather statement, May 10, 6:20 PM CDT, 28 minutes before
MOZ007-011-012-018-021-022-023-ILZ009-011-012-013-110030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 620 PM CDT MON MAY 10 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR EASTERN MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS UNTIL 900 PM... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTHEAST MISSORRRI EXPIRED AT 600 PM... AT 615 PM...THE SEVERE THUNDERSTORM WATCH WHICH WAS IN EFFECT FOR EXTREME SOUTHEAST MISSOURI HAS EXPIRED AT 600 PM. THE SEVERE THUNDERSTORM WATCH FOR MOST OF EASTERN MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS CONTINUES IN EFFECT UNTIL 900 PM. RADAR DETECTED STRONG THUNDERSTORMS BETWEEN TROY AND ELSBERRY...AND ALSO ABOUT 7 MILES NORTHWEST OF DESOTO AND ON THE BORDER OF MONTGOMERY AND WARREN COUNTIES. PEA SIZE HAIL WAS REPORTED IN TROY AT 610 PM AND IN THST. LOUIS METRO AREA EARLIER BETWEEN BETWEEN 515 PM AND 535 PM. PEA SIZE HAIL WAS ALSO REPORTED ALONG I-70 AT THE ST. CHARLES-WARREN COUNTY LINE AND VERY HEAVY RAIN NEAR WARRENTON AT 615 PM. THESE STORMS ARE MOVING TO THE NORTHWEST AT 30 TO 35 MPH. THESE STORMS WILL LIKELY CONTINUE TO PRODUCE HEAVY RAINS...DEADLY LIGHTNING AND SMALL HAIL. A FEW STORMS MAY PRODUCE DAMAGING WINDS AND LARGE HAIL. RESIDENTS IN AND CLOSE TO THE WATCH AREA SHOULD CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND BE PREPARED TO MOVE TO SAFE SHELTER IF SEVERE STORMS APPROACH. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A REINFORCED BUILDING AWAY FROM WINDOWS. GKS &
Special weather statement, May 10, 6:27 PM CDT, 21 minutes before
MOZ007-011-012-018-021-022-023-ILZ009-011-012-013-110030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 620 PM CDT MON MAY 10 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR EASTERN MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS UNTIL 900 PM... ...SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTHEAST MISSORRRI EXPIRED AT 600 PM... AT 615 PM...THE SEVERE THUNDERSTORM WATCH WHICH WAS IN EFFECT FOR EXTREME SOUTHEAST MISSOURI HAS EXPIRED AT 600 PM. THE SEVERE THUNDERSTORM WATCH FOR MOST OF EASTERN MISSOURI AND CENTRAL AND SOUTHERN ILLINOIS CONTINUES IN EFFECT UNTIL 900 PM. RADAR DETECTED STRONG THUNDERSTORMS BETWEEN TROY AND ELSBERRY...AND ALSO ABOUT 7 MILES NORTHWEST OF DESOTO AND ON THE BORDER OF MONTGOMERY AND WARREN COUNTIES. PEA SIZE HAIL WAS REPORTED IN TROY AT 610 PM AND IN THST. LOUIS METRO AREA EARLIER BETWEEN BETWEEN 515 PM AND 535 PM. PEA SIZE HAIL WAS ALSO REPORTED ALONG I-70 AT THE ST. CHARLES-WARREN COUNTY LINE AND VERY HEAVY RAIN NEAR WARRENTON AT 615 PM. THESE STORMS ARE MOVING TO THE NORTHWEST AT 30 TO 35 MPH. THESE STORMS WILL LIKELY CONTINUE TO PRODUCE HEAVY RAINS...DEADLY LIGHTNING AND SMALL HAIL. A FEW STORMS MAY PRODUCE DAMAGING WINDS AND LARGE HAIL. RESIDENTS IN AND CLOSE TO THE WATCH AREA SHOULD CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND BE PREPARED TO MOVE TO SAFE SHELTER IF SEVERE STORMS APPROACH. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A REINFORCED BUILDING AWAY FROM WINDOWS. GKS &
Special weather statement, May 10, 6:30 PM CDT, 18 minutes before
MOZ007-110030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 630 PM CDT MON MAY 10 1993 ...STRONG THUNDERSTORMS WERE OCCURRING ACROSS PORTIONS OF EASTERN MISSOURI AND SOUTHWEST ILLINOIS... AT 630 PM...NATIONAL WEATHER SERVICE RADAR IN ST LOUIS SHOWED SCATTERED THUNDERSTORMS ACROSS PIKE COUNTY ILLINOIS...OR ABOUT 40 MILES SOUTHEAST OF QUINCY. THESE STORMS WERE MOVING TO THE NORTH NORTHWEST AROUND 35 MILES AN HOUR. VERY HEAVY RAIN HAS BEEN REPORTED WITH A FEW OF THE STORMS...ALONG WITH PEA SIZED HAIL. PERSONS IN NORTHEAST MISSOURI SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER THIS EVENING...AND REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFOREMENT AGENCY.
Special weather statement, May 10, 6:30 PM CDT, 18 minutes before
MOZ007-110030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 630 PM CDT MON MAY 10 1993 ...STRONG THUNDERSTORMS WERE OCCURRING ACROSS PORTIONS OF EASTERN MISSOURI AND SOUTHWEST ILLINOIS... AT 630 PM...NATIONAL WEATHER SERVICE RADAR IN ST LOUIS SHOWED SCATTERED THUNDERSTORMS ACROSS PIKE COUNTY ILLINOIS...OR ABOUT 40 MILES SOUTHEAST OF QUINCY. THESE STORMS WERE MOVING TO THE NORTH NORTHWEST AROUND 35 MILES AN HOUR. VERY HEAVY RAIN HAS BEEN REPORTED WITH A FEW OF THE STORMS...ALONG WITH PEA SIZED HAIL. PERSONS IN NORTHEAST MISSOURI SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER THIS EVENING...AND REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFOREMENT AGENCY.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 4:27 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 33 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm warning in 1993
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.