Alert archive / Missouri / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 115, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Oct 4, 1991, 9:07 PM CDT for Sainte Genevieve County, Missouri. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Oct 4, 1991, 9:07 PM CDT (02:07 UTC)
- Expired
- Oct 4, 1991, 10:00 PM CDT
- In force
- 53 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Sainte Genevieve County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 2.1 hours before the alert went out and 161 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
- 385 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1591 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
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, Oct 4, 7:08 PM CDT, 1 hour 59 minutes before
MOZ007-010-014-015-016-019-050130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 705 PM CDT FRI OCT 4 1991 ...A PART OF TORNADO WATCH #785 FOR SOUTHWEST...CENTRAL AND NORTHEAST MISSOURI HAS BEEN CANCELLED... ...A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF EASTERN MISSOURI AND PARTS OF CENTRAL ILLINOIS UNTIL 1000 PM CDT... ...A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST MISSOURI UNTIL MIDNIGHT... THE NATIONAL WEATHER SERVICE HAS CANCELLED A SECTION OF TORNADO WATCH #785. THE FOLLOWING COUNTIES ARE NO LONGER IN THIS TORNADO WATCH... MISSOURI ZONE 7 LEWIS..SHELBY..MARION..MONROE..RALLS..PIKE MISSOURI ZONE 10 HOWARD..BOONE..AUDRAIN..CALLAWAY..COOPER..MONITEAU..COLE..OSAGE MISSOURI ZONE 14 MORGAN..CAMDEN..MILLER..MARIES..PULASKI MISSOURI ZONE 15 VERNON..CEDAR..BARTON..DADE MISSOURI ZONE 16 POLK..DALLAS..LACLEDE..GREENE..WEBSTER..WRIGHT MISSOURI ZONE 19 JASPER..LAWRENCE..NEWTON..MCDONALD..BARRY WHILE A FEW THUNDERSHOWERS ARE STILL POSSIBLE IN THESE AREAS...THE THREAT OF STRONG THUNDERSTORMS...AND TORNADOES...HAS MOVED INTO EAST CENTRAL AND SOUTHEAST MISSOURI. HOWEVER...A SEVERE WEATHER THREAT CONTINUES IN EAST CENTRAL AND SOUTHEAST MISSOURI. PEOPLE IN THESE AREAS SHOULD REMAIN ALERT...AND STAY TUNED TO LOCAL RADIO...TV...AND NATIONAL WEATHER SERVICE RADIO FOR FURTHER INFORMATION. TRUETT
Special weather statement, Oct 4, 7:13 PM CDT, 1 hour 54 minutes before
MOZ011-012-050130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 709 PM CDT FRI OCT 4 1991 ...SEVERE THUNDERSTORM WARNING FOR FRANKLIN...ST LOUIS CITY AND COUNTY AND ST CHARLES COUNTIES HAVE BEEN CANCELLED... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM... AT 650 PM...BALLWIN MISSOURI REPORTED WIND GUSTS TO 60 MPH AT 700 PM...WEATHER SERVICE RADAR INDICATED THE LINE OF SEVERE THUNDERSTORMS HAD WEAKENED OVER EAST CENTRAL MISSOURI... AT 705 PM...THE WEATHER SERVICE OFFICE IN WELDON SPRINGS RECEIVED NEARLY 3/4 INCH OF RAIN WITHIN THE PAST HOUR. AT 706 PM...LAMBERT FIELD REPORTED WIND GUSTS TO 48 MPH. ALTHOUGH NO SEVERE WEATHER IS EXPECTED...FREQUENT LIGHTNING...HEAVY DOWNPOURS CAUSING LOCALIZED STREET FLOODING...STRONG WINDS AND SMALL PEA SIZE HAIL MAY ACCOMPANY THESE STORMS. ALSO REMEMBER THAT TORNADOES CAN DEVELOP WITH LITTLE OR NO WARNING. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA SOURCES FOR FURTHER STATEMENTS. LP
Special weather statement, Oct 4, 7:22 PM CDT, 1 hour 45 minutes before
MOZ011-012-050130- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE ST LOUIS MO 722 PM CDT FRI OCT 4 1991 ...SEVERE THUNDERSTORM WARNING FOR FRANKLIN...ST LOUIS CITY AND COUNTY AND ST CHARLES COUNTIES HAVE BEEN CANCELLED... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM... AT 650 PM...BALLWIN MISSOURI REPORTED WIND GUSTS TO 60 MPH AT 700 PM...WEATHER SERVICE RADAR INDICATED THE LINE OF SEVERE THUNDERSTORMS HAD WEAKENED OVER EAST CENTRAL MISSOURI... AT 705 PM...THE WEATHER SERVICE OFFICE IN WELDON SPRINGS RECEIVED NEARLY 3/4 INCH OF RAIN WITHIN THE PAST HOUR. AT 706 PM...LAMBERT FIELD REPORTED WIND GUSTS TO 48 MPH. FREQUENT LIGHTNING...HEAVY DOWNPOURS CAUSING LOCALIZED STREET FLOODING STRONG WINDS AND SMALL PEA SIZE HAIL MAY ACCOMPANY THESE STORMS. ALSO REMEMBER THAT TORNADOES CAN DEVELOP WITH LITTLE OR NO WARNING. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA SOURCES FOR FURTHER STATEMENTS. LP
Local storm report, Oct 4, 8:07 PM CDT, 1 hour before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
808 PM CDT FRI OCT 4 1991
...PRELIMINARY STORM REPORT FOR FRIDAY EVENING OCT 4 1991...
TIME (CDT) COUNTY EVENT
412 PM PIKE COUNTY SHERIFF DISPATCHER REPORTED GOLF BALL
MISSOURI SIZE HAIL AND HIGH WINDS AT CURRYVILLE.
425 PM PIKE COUNTY SHERIFF REPORTED WATER OVER HIGHWAY 154
MISSOURI AT CURRYVILLE WITH ONE INCH HAIL DIAMETER.
WINDS GUSTED TO 60 MPH AT BOWLING GREEN.
440 PM PIKE FUNNEL CLOUD REPORTED NEAR GRIGGSVILLE.
ILLINOIS
502 PM PIKE COUNTY SHERIFF REPORTED GOLF BALL SIZE HAIL
ILLINOIS 8 MILES SOUTH OF GRIGGSVILLE.
517 PM LINCOLN 3/4 INCH DIAMETER HAIL REPORTED OVER NORTHERN
MISSOURI LINCOLN COUNTY BY COUNTY SHERIFF.
525 PM WARREN EMERGENCY MANAGEMENT OFFICIALS REPORTED WIND
MISSOURI GUSTS TO 60 MPH AT WARRENTON AND AROUND WARREN
COUNTY.
545 PM ST CHARLES LARGE TREES REPORTED DOWN IN ST PAUL.
MISSOURI (TIME ESTIMATED)
550 PM CALHOUN COUNTY SHERIFF REPORTED WIND GUSTS TO 60 MPH
ILLINOIS 5 MILES SOUTH OF KAMPSVILLE.
600 PM JERSEY COUNTY SHERIFF REPORTED WIND GUSTS TO 60 MPH
ILLINOIS AND WIND DAMAGE IN JERSEYVILLE.
605 PM LINCOLN HAM RADIO OPERATORS REPORTED LARGE TREES AND
MISSOURI POWER LINES DOWN AT OLD MONROE AND WINFIELD.
615 PM FRANKLIN SEVERAL REPORTS OF FUNNEL CLOUDS NEAR UNION
MISSOURI AND BEAUFORT FROM FIRE DEPARTMENTS IN COUNTY.
(VIA HAM RADIO OPERATORS)
650 PM ST LOUIS WIND GUSTS TO 60 MPH WERE REPORTED BY SPOTTERS
MISSOURI AND HAM RADIO OPERATORS NEAR BALLWIN. VARIOUS
OTHER REPORTS WERE RECEIVED OF TREES AND LIMBS
DOWN...AS WEL AS POWER OUTAGES ACROSS WEST
ST LOUIS COUNTY.
714 PM FRANKLIN 3/4 INCH DIAMETER HAIL WAS REPORTED AT ST CLAIR
MISSOURI FROM HAM RADIO OPERATORS.
SHEASpecial weather statement, Oct 4, 8:09 PM CDT, 58 minutes before
MOZ011-012-050230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 810 PM CDT FRI OCT 4 1991 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM... THE THREAT OF SEVERE THUNDERSTORMS WAS PUSHING TO THE EAST AND SOUTH OF THE ST LOUIS METRO AREA AT 8 PM THIS EVENING. HOWEVER...THE STORMS THAT ARE LINGERING IN THE METRO AREA WERE PRODUCING HEAVY RAINS...WHICH WAS CAUSING SOME FLOODING OF STREETS AND LOW LYING AREAS. RADAR AND SATELLITE DATA INDICATE THAT THE HEAVIEST RAINS WILL MOVE OUT OF THE METRO AREA BY 9PM. BETWEEN 7 AND 8 PM...1.14 INCHES OF RAIN FELL AT LAMBERT FIELD IN ST LOUIS. THE WEATHER SERVICE OFFICE IN WELDON SPRINGS REPORTED JUST UNDER 0.9 INCHES OF RAIN THIS EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS. LP
Special weather statement, Oct 4, 8:30 PM CDT, 37 minutes before
MOZ011-017-020-050300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 825 PM CDT FRI OCT 04 1991 ...A PART OF TORNADO WATCH #785 FOR EAST CENTRAL AND SOUTH CENTRAL MISSOURI HAS BEEN CANCELLED... ...A TORNADO WATCH REMAINS IN EFFECT FROM A LINE EXTENDING FROM ST LOUIS TO WEST PLAIN MISSOURI UNTIL 10 PM... ...A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST MISSOURI UNTIL MIDNIGHT... THE NATIONAL WEATHER SERVICE HAS CANCELLED A SECTION OF TORNADO WATCH #785 FOR THE FOLLOWING COUNTIES... . MISSOURI ZONE 11 MONTGOMERY...GASCONADE...LINCOLN...WARREN...FRANKLIN . MISSOURI ZONE 17 CRAWFORD..PHELPS..DENT..TEXAS . MISSOURI ZONE 20 STONE..CHRISTIAN..DOUGLAS..TANEY..OZARK .LP
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 8:30 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Francois, Washington | 60 min |
| Oct 4, 8:41 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Saint Francois | 49 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1991Every severe thunderstorm warning in 1991
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.