Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 113, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 13, 1993, 6:42 PM CDT for City of Saint Louis, Missouri. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Jul 13, 1993, 6:42 PM CDT (23:42 UTC)
- Expired
- Jul 13, 1993, 7:30 PM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County City of Saint Louis, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.7 hours before the alert went out and 217 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
- 0 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -7 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 132345 SVRSTL MOC510-140030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 642 PM CDT TUE JUL 13 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI THE INDEPENDENT CITY OF ...ST LOUIS CITY AT 640 PM CDT...A SEVERE THUNDERSTORM WAS OVER WEST ST. LOUIS COUNTY. THIS STORM PRODUCED WIND DAMAGE IN CHESTERFIELD AT 635 PM. THE STORM WAS MOVING EAST AT 30 MILES AN HOUR. THE STORM WILL MOVE INTO THE WEST PART OF THE CITY BY 700 PM AND HIT DOWNTOWN BY 715 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. JPK &
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, Jul 13, 5:16 PM CDT, 1 hour 26 minutes before
MOZ011-012-140100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 516 PM CDT TUE JUL 13 1993 ...HEAVY RAINS ARE HEADED FOR THE ST LOUIS METRO AREA... AT 515 PM A SOLID LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM 40 MILES NORTH THROUGH 100 MILES SOUTHWEST OF ST LOUIS. THE LEADING EDGE OF THESE STORMS TRAILED FROM WRIGHT CITY TO HERMANN. THESE STORMS ARE MOVING TO THE EAST AT 25 MPH AND WILL REACH WESTERN PORTIONS OF THE ST LOUIS AREA AROUND 6 PM...AND EASTERN PORTIONS INCLUDING THE BELLEVILLE AREA BY 7 PM CDT. AS THE STORM PASSES...VISIBILITIES WILL BE GREATLY REDUCED FOR ABOUT 10 MINUTES..THEN RAINS WILL STEADILY TAPER OFF. HOWEVER 1 TO 1.5 INCHES OF RAINFALL WILL BE PO~/x/x///////////x/x/xf`f`///`x`x//x /x`x/ /////////~x/x/`x/``x~x~x/xx/xf`f`xf`f`xx ///x///~xxxxx//xf/x /x/////x//////x/x//////////`x`x//`////////////x/x/////x//~xf`f`//////////f ////////x// fx`x`x//x////x// /x ///x///~xx/`x/``x~x~x/xx/ x/x /x/// fx/xf`f`//x///////~x/////x`x////// x/x/x fx////x/////~x/`x/xf//// ////`f`/x// ////// /f// ff///`//xf/``x~x///x/ f/////////x// fx`x`x//` ////////~x///`f`////////fx~xx/`~x/////x//x///`/x////fx/// //////x/~x////x/`x`x///x//~x/`x/xf///////xf`f`//x/xx/`//xf/x///// f////// ///f ///f/x///////x// ///x///~xx/`x/////x/x/x fx`x`xf`f`/x~xf/////x//// ///f////////////// ////xxx/xf`f`f`f`x/x /fx///////x /////x/x`x/x /x //`x~x// /x/xxxf~x/// /////~x/////x// ///x/////// ////ff/x/x////`x/// ////`f`///x/~xf`f`f`f`f`//`f`f`//f/`/ / ///`/x/// ////x ` /// `//f`f`f////x/x/`~x////x/////`~x///// //~x/x//f/x// //////x/// /////// //////x/x f/x///////// ///f/xx//// x/x /x/////xxf/xx// /x/// /f/`//x//`//// ////////////// //x//////// //`f`/ xx////x~x////x// ////xxx/|/x/////////f///x//////////f/x/// f/x// //////// //// `// / ////`f`//f`f`x///`///`/f /`/`//x/`/`/x ` ////`/` / ///ffx/////f/x////~x////////ffx///`f`/x/////x ////// `x~x///////// f/x/// f/////x /// /////// /////`// / /////x/x xx//xx///// `x~x///////// f/x/// f`/// /// /////// ///////// / ///fx//////////////~f////// f/////f//////// /`xf/// //// /f// / ///f////////xx////////~f////// fx////f x/////// /////// ///x// / ////`f`//f`f`x///`x /``/` /``//f` f /``//f/ ////`/` / ///~x///////////~x/~ DAKOTA GRAND FORKS LGT RAIN 60 56 87 N6 30.07S GRAND FORKS AF LGT RAIN 61 55 81 N5 30.08S DEVILS LAKE N/A 60 47 62 CALM 30.09S NDZ011-013-014-017-018-132300- SOUTHEAST NORTH DAKOTA FARGO DRIZZLE 61 56 84 N12 30.05R JAMESTOWN CLOUDY 57 49 75 NE14 30.08R WAHPETON N/A 60 57 90 E7 30.03S LIDGERWOOD N/A 59 38 46 NE6
Special weather statement, Jul 13, 5:30 PM CDT, 1 hour 12 minutes before
MOZ011-012-140100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 516 PM CDT TUE JUL 13 1993 ...HEAVY RAINS ARE HEADED FOR THE ST LOUIS METRO AREA... AT 515 PM A SOLID LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM 40 MILES NORTH THROUGH 100 MILES SOUTHWEST OF ST LOUIS. THE LEADING EDGE OF THESE STORMS TRAILED FROM WRIGHT CITY TO HERMANN. THESE STORMS ARE MOVING TO THE EAST AT 25 MPH AND WILL REACH WESTERN PORTIONS OF THE ST LOUIS AREA AROUND 6 PM...AND EASTERN PORTIONS INCLUDING THE BELLEVILLE AREA BY 7 PM CDT. AS THE STORM PASSES...VISIBILITIES WILL BE GREATLY REDUCED FOR ABOUT 10 MINUTES..THEN RAINS WILL STEADILY TAPER OFF. HOWEVER 1 TO 1.5 INCHES OF RAINFALL WILL BE POSSIBLE OVER PORTIONS OF THE AREA. RAPID RUNOFF WILL LIKELY CREATE LOCAL FLOODING. . IN ADDITION...SOME AREAS NEAR THE RIVERS WILL BE VULNERABLE DUE TO SEWER BACKUP. THIS WILL RESULT IN ADDITIONAL FLOODING OF AREAS WHICH WOULD NORMALLY RUN OFF WITHOUT PROBLEMS. YOU MUST STAY AWAY FROM FLOWING WATERS. THIS WILL BE A SERIOUS SITUATION FOR THE NEXT FEW HOURS. UP TO NOW...ALL THE PROBLEMS HAVE BEEN FROM RIVER WATER AND BACKWATER. THIS ADDITIONAL RUNOFF WILL COMPLICATE MATTERS THIS EVEtNING. IF YOU HAVE A VEHICLE IN A LOW AREA...MOVE IT TO HIGHER GROUND IMMEDIATELY. PEDIGO
Special weather statement, Jul 13, 5:54 PM CDT, 48 minutes before
MOZ007-010-140100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 554 PM CDT TUE JUL 13 1993 ...PART OF THE SEVERE THUNDERSTORM WATCH FOR MISSOURI HAS BEEN CANCELLED... THE NATIONAL WEATHER SERVICE HAS CANCELLED PART OF SEVERE THUNDERSTORM WATCH #656 FOR NORTHEAST AND CENTRAL MISSOURI. THE WATCH IS NO LONGER IN EFFECT FOR THE COLUMBIA AND QUINCY/HANNIBAL AREAS...WHICH INCLUDES MISSOURI FORECAST ZONES 7 AND 10. THE REMAINDER OF THE WATCH IS IN EFFECT. THE FOLLOWING COUNTIES IN MISSOURI ARE NO LONGER UNDER A SEVERE THUNDERSTORM WATCH: MISSOURI ZONE 7 LEWIS SHELBY MARION MONROE PIKE RALLS MISSOURI ZONE 10 OSAGE COLE MONITEAU COOPER CALLAWAY BOONE HOWARD AUDRAIN SHEA
Special weather statement, Jul 13, 5:57 PM CDT, 45 minutes before
MOZ007-010-140100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 554 PM CDT TUE JUL 13 1993 ...PART OF THE SEVERE THUNDERSTORM WATCH FOR MISSOURI HAS BEEN CANCELLED... THE NATIONAL WEATHER SERVICE HAS CANCELLED PART OF SEVERE THUNDERSTORM WATCH #656 FOR NORTHEAST AND CENTRAL MISSOURI. THE WATCH IS NO LONGER IN EFFECT FOR THE COLUMBIA AND QUINCY/HANNIBAL AREAS...WHICH INCLUDES MISSOURI FORECAST ZONES 7 AND 10. THE REMAINDER OF THE WATCH IS IN EFFECT. THE FOLLOWING COUNTIES IN MISSOURI ARE NO LONGER UNDER A SEVERE THUNDERSTORM WATCH: MISSOURI ZONE 7 LEWIS SHELBY MARION MONROE PIKE RALLS MISSOURI ZONE 10 OSAGE COLE MONITEAU COOPER CALLAWAY BOONE HOWARD AUDRAIN SHEA
Special weather statement, Jul 13, 6:28 PM CDT, 14 minutes before
MOZ012-140030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 628 PM CDT TUE JUL 13 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE METRO AREA UNTIL 1000 PM... A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS MOVING THROUGH ST CHARLES COUNTY AS OF 620 PM. VERY HEAVY RAIN AND WIND GUSTS OF 35 TO 40 MILES AN HOUR HAVE BEEN REPORTED BY WEATHER SPOTTERS. THESE STORMS ARE MOVING EAST AT 30 MILES AN HOUR AND WILL PUSH INTO ST LOUIS COUNTY INCLUDING THE CITY OF ST LOUIS BY 700 PM. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS...YOU SHOULD MOVE INDOORS AND AWAY FROM WINDOWS FOR SAFETY. FREQUENT LIGHTNING IS EXPECTED AND MAY CAUSE POWER OUTAGES. TORRENTIAL RAIN WILL LOWER VISIBILITIES SO MOTORISTS SHOULD REDUCE THEIR SPEEDS. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SHEA
Special weather statement, Jul 13, 6:29 PM CDT, 13 minutes before
MOZ012-140030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 628 PM CDT TUE JUL 13 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE METRO AREA UNTIL 1000 PM... A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS MOVING THROUGH ST CHARLES COUNTY AS OF 620 PM. VERY HEAVY RAIN AND WIND GUSTS OF 35 TO 40 MILES AN HOUR HAVE BEEN REPORTED BY WEATHER SPOTTERS. THESE STORMS ARE MOVING EAST AT 30 MILES AN HOUR AND WILL PUSH INTO ST LOUIS COUNTY INCLUDING THE CITY OF ST LOUIS BY 700 PM. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS...YOU SHOULD MOVE INDOORS AND AWAY FROM WINDOWS FOR SAFETY. FREQUENT LIGHTNING IS EXPECTED AND MAY CAUSE POWER OUTAGES. TORRENTIAL RAIN WILL LOWER VISIBILITIES SO MOTORISTS SHOULD REDUCE THEIR SPEEDS. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SHEA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 11:45 AM CDT | Flash Flood Warning | LSX | Adair | 3 hr |
| Jul 13, 1:13 PM CDT | Flash Flood Warning | LSX | Marion, Shelby | 4 hr |
| Jul 13, 3:39 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 51 min |
| Jul 13, 6:30 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 45 min |
| Jul 13, 6:30 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 23 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.