Alert archive / Missouri / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 35, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 14, 1991, 11:17 PM CDT for Marion County, Monroe County, Ralls County, Missouri. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- May 14, 1991, 11:17 PM CDT (04:17 UTC)
- Expired
- May 15, 1991, 12:15 AM CDT
- In force
- 58 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Marion County, MO, Monroe County, MO, Ralls County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.3 hours before the alert went out and 344 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
- 1867 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 6.1
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, May 14, 6:08 PM CDT, 5 hours 9 minutes before
MOZ002-003-006-007-010-011-150010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 607 PM CDT TUE MAY 14 1991 ...SEVERE THUNDERSTORM WATCH FOR NORTHEAST QUARTER OF MISSOURI UNTIL 11 PM CDT... AT 600 PM...THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED IN THE KIRKSVILLE AREA. THESE STORMS WERE MOVING TO THE NORTHEAST AT 20 MPH. DURING THE NEXT SEVERAL HOURS...ADDITIONAL STRONG STORMS ARE EXPECTED TO DEVELOP IN AND NEAR THE WATCH AREA OVER THE NORTHEAST QUARTER OF MISSOURI. HEAVY DOWN POURS OF RAIN...SMALL HAIL...GUSTY WINDS AND DEADLY LIGHTNING WILL BE POSSIBLE WITH SOME OF THESE STORMS. IF THEY APPROACH YOUR AREA...MOVE TO SHELTER UNTIL THEY PASS. . STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS. GOETSCH
Special weather statement, May 14, 7:10 PM CDT, 4 hours 7 minutes before
MOZ002-003-006-007-010-011-150010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 707 PM CDT TUE MAY 14 1991 ...SEVERE THUNDERSTORM WATCH FOR NORTHEAST QUARTER OF MISSOURI UNTIL 11 PM CDT... AT 700 PM...THUNDERSTORMS IN THE KIRKSVILLE AREA HAVE DECREASED IN INTENSITY...AS THEY MOVE EAST AT 20 MPH. OTHER STORMS WERE MOVING SOUTH AT 20 MPH...AND LOCATED ABOUT 25 MILES NORTHEAST OF QUINCY ILLINOIS. DURING THE NEXT SEVERAL HOURS...ADDITIONAL STRONG STORMS ARE EXPECTED TO DEVELOP IN AND NEAR THE WATCH AREA OVER PORTIONS OF THE NORTHEAST QUARTER OF MISSOURI AND WEST CENTRAL ILLINOIS. HEAVY DOWN POURS OF RAIN...SMALL HAIL...GUSTY WINDS AND DEADLY LIGHTNING WILL BE POSSIBfLE WITH SOME OF THESE STORMS. IF THEY APPROACH YOUR AREA...MOVE TO SHELTER UNTIL THEY PASS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS. GOETSCH
Special weather statement, May 14, 7:22 PM CDT, 3 hours 55 minutes before
MOZ002-003-006-007-010-011-150010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 720 PM CDT TUE MAY 14 1991 ...SEVERE THUNDERSTORM WATCH FOR NORTHEAST PORTION OF MISSOURI UNTIL 11 PM CDT... AT 715 PM...WEATHER RADAR INDICATED THE STORMS PREVIOUSLY OVER CENTRAL MISSOURI HAD MOVED OFF TO THE EAST AND WEAKENED. THEREFORE THE WATCH HAS BEEN CANCELED FOR THE PORTION OF CENTRAL MISSOURI...SOUTHWEST OF A LINE FROM 10 MILES NORTHWEST OF SPICKARD TO 50 MILES WEST OF ST. LOUIS. THE WATCH IS THEREFORE NO LONGER IN EFFECT FOR MISSOURI ZONES 9 AND 10 AND THE CITY OF COLUMBIA. THE WATCH REMAINS IN EFFECT FOR MOST OF THE REMAINDER OF THE NORTHEAST PORTION OF MISSOURI UNTIL 11 CqDT. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS. GOETSCH
Special weather statement, May 14, 8:00 PM CDT, 3 hours 17 minutes before
MOZ006-010-150200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 800 PM CDT TUE MAY 14 1991 AN ISOLATED STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS OVER MOBERLY ...35 MILES NORTH OF COLUMBIA...AND MOVING NORTH AT 15 MPH. THIS STORM WILL LIKELY PRODUCE DANGEROUS LIGHTNING...GUSTY WIND AND VERY HEAVY RAIN BETWEEN 8 AND 9PM. THE STORM SHOULD DIMINISH OR DISSIPATE BY 9PM. LARM
Special weather statement, May 14, 8:13 PM CDT, 3 hours 4 minutes before
MOZ002-003-006-007-010-011-150210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 810 PM CDT TUE MAY 14 1991 ...SEVERE THUNDERSTORM WATCH FOR NORTHEAST PORTION OF MISSOURI UNTIL 11 PM CDT... AT 800 PM...WEATHER RADAR SHOWED STRONG STORMS 25 MILES SOUTH OF KIRKSVILLE MOVING NORTHEAST AT 20 MPH...AND 25 MILES NORTH NORTHEAST OF QUINCY ILLINOIS MOVING SOUTH AT 15 MPH. DURING THE NEXT FEW HOURS...ADDITIONAL STRONG STORMS ARE EXPECTED TO DEVELOP IN AND NEAR THE WATCH AREA OVER NORTHEAST MISSOURI. HEAVY RAIN...SMALL HAIL...GUSTY WINDS AND DEADLY LIGHTNING WILL BE POSSIBLE WITH SOME OF THESE STORMS. IF THEY APPROACH YOUR AREA...MOVE TO SHELTER UNTIL THEY PASS. GOETSCH
Special weather statement, May 14, 9:22 PM CDT, 1 hour 55 minutes before
MOZ002-003-006-007-011-012-150330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 923 PM CDT TUE MAY 14 1991 ...SEVERE THUNDERSTORM WATCH FOR NORTHEAST MISSOURI HAS BEEN CANCELLED... AT 910 PM...A CLUSTER OF STRONG THUNDERSTORMS WAS LOCATED 10 MILES WEST OF QUINCY TO SHELBYVILLE MISSOURI...ABOUT 45 MILES SOUTHWEST OF QUINCY. THESE THUNDERSTORMS WERE MOVING TO THE EAST NORTHEAST AT 15 MPH...AND SHOULD MOVE INTO THE QUINCY AREA AROUND 935 PM CDT. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL...DANGEROUS LIGHTNING...SMALL HAIL AND GUSTY WINDS. PEOPLE SHOULD BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER DEVELOPS. STAY TUNED TO NOAA WEATHER RADDIO OR LOCAL MEDIA SOURCES FOR FURTHER STATEMENTS. GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 11:17 PM CDT | Flash Flood Warning | LSX | Marion, Monroe, Ralls | 118 min |
| May 15, 6:05 AM CDT | Flash Flood Warning | LSX | Marion, Monroe, Ralls | 3 hr |
| May 15, 12:29 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 46 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.