Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 162, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 2, 1993, 4:41 PM CDT for Knox County, Missouri. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Sep 2, 1993, 4:41 PM CDT (21:41 UTC)
- Expired
- Sep 2, 1993, 5:45 PM CDT
- In force
- 64 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Knox County, MO
The radar
The St Louis radar (KLSX), 203 km from the middle of the area, began a volume at 21:44 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 9.7 hours before the alert went out and 325 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
- 943 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 762 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 022142 SVRSTL MOC103-022245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 441 PM CDT THU SEP 2 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST MISSOURI ...KNOX COUNTY AT 441 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EASTERN ADAIR COUNTY...JUST EAST OF KIRKSVILLE. THE KIRKSVILLE POLICE DEPARTMENT REPORTED THAT WIDESPREAD WIND DAMAGE OCCURRED AS THIS STORM PASSED THROUGH KIRKSVILLE SHORTLY AFTER 430 PM. THE STORM CONTINUED MOVING EAST AT 25 MILES AN HOUR...AND WILL BE AFFECTING THE CITIES OF HURDLAND...BARING...EDINA...AND GREENSBURG. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. TRUETT/GLASS &
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, Sep 2, 2:35 PM CDT, 2 hours 6 minutes before
MOZ005>011-013-014-015-030200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 235 PM CDT THU SEP 2 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE PART OF MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MOST OF CENTRAL AND NORTHEAST MISSOURI UNTIL 800 PM. THIS WATCH INCLUDES THE KANSAS CITY METRO AREA...SEDALIA...COLUMBIA...JEFFERSON CITY... MACON AND HANNIBAL. IT DOES NOT INCLUDE QUINCY ILLINOIS. AS A COLD FRONT EDGES INTO THE REGION...CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS OVER MUCH OF MISSOURI THIS AFTERNOON AND EVENING. IF YOU LIVE IN OR CLOSE TO THE WATCH AREA...BE PREPARED FOR SEVERE THUNDERSTORMS AND LISTEN FOR WARNINGS AND STATEMENTS. SHEA
Special weather statement, Sep 2, 2:36 PM CDT, 2 hours 5 minutes before
MOZ005>011-013-014-015-030200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 235 PM CDT THU SEP 2 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE PART OF MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MOST OF CENTRAL AND NORTHEAST MISSOURI UNTIL 800 PM. THIS WATCH INCLUDES THE KANSAS CITY METRO AREA...SEDALIA...COLUMBIA...JEFFERSON CITY... MACON AND HANNIBAL. IT DOES NOT INCLUDE QUINCY ILLINOIS. AS A COLD FRONT EDGES INTO THE REGION...CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS OVER MUCH OF MISSOURI THIS AFTERNOON AND EVENING. IF YOU LIVE IN OR CLOSE TO THE WATCH AREA...BE PREPARED FOR SEVERE THUNDERSTORMS AND( LISTEN FOR WARNINGS AND STATEMENTS. SHEA
Special weather statement, Sep 2, 3:50 PM CDT, 51 minutes before
MOZ006-009-010-011-013-014-022200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 350 PM CDT THU SEP 2 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM... AT 345 PM...STRONG THUNDERSTORMS WERE LOCATED NORTH OF COLUMBIA AND SOUTH OF JEFFERSON CITY. THE STORM NORTH OF COLUMBIA WAS LOCATED BETWEEN HARRISBURG AND HALLSVILLE AND WILL MOVE NEAR MEXICO BEFORE 430 PM. THE STORM SOUTH OF JEFFERSON CITY EXTENDED FROM NEAR IBERIA TO LINN. THIS STORM WAS ALSO MOVING EAST AT 25 MILES AN HOUR AND WILL AFFECT BELLE AND OWENSVILLE BETWEEN 400 AND 430 PM. PERSONS IN THE PATH OF THESE STORMS SHOULD TAKE SHELTER INDOORS AND STAY AWAY FROM WINDOWS. BE PREPARED FOR DEADLY LIGHTNING...STRONG WINDS ...HEAVY RAINS AND POSSIBLY SMALL HAIL. THERE IS A CHANCE THAT THESE STORMS COULD BECOME SEVERE AND PRODUCE LARGE HAIL AND DAMAGING WINDS. STAY TUNED TO NWS RADIO OR COMMERCIAL RADIO AND TELEVISION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STANLEY
Special weather statement, Sep 2, 3:55 PM CDT, 46 minutes before
MOZ006-009-010-011-013-014-022200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 350 PM CDT THU SEP 2 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM... AT 345 PM...STRONG THUNDERSTORMS WERE LOCATED NORTH OF COLUMBIA AND SOUTH OF JEFFERSON CITY. THE STORM NORTH OF COLUMBIA WAS LOCATED BETWEEN HARRISBURG AND HALLSVILLE AND WILL MOVE NEAR MEXICO BEFORE 430 PM. THE STORM SOUTH OF JEFFERSON CITY EXTENDED FROM NEAR IBERIA TO LINN. THIS STORM WAS ALSO MOVING EAST AT 25 MILES AN HOUR AND WILL AFFECT BELLE AND OWENSVILLE BETWEEN 400 AND 430 PM. PERSONS IN THE PATH OF THESE STORMS SHOULD TAKE SHELTER INDOORS AND STAY AWAY FROM WINDOWS. BE PREPARED FOR DEADLY LIGHTNING...STRONG WINDS ...HEAVY RAINS AND POSSIBLY SMALL HAIL. THERE IS A CHANCE THAT THESE STORMS COULD BECOME SEVERE AND PRODUCE LARGE HAIL AND DAMAGING WINDS. STAY TUNED TO NWS RADIO OR COMMERCIAL RADIO AND TELEVISION FOR LATER STATEMENTS AND POS\SIBLE WARNINGS. STANLEY
Special weather statement, Sep 2, 4:30 PM CDT, 11 minutes before
MOZ006-009-010-011-014-022230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 430 PM CDT THU SEP 2 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM... ...STRONG THUNDERSTORMS WERE IN THE NORTHWEST PART OF CENTRAL MISSOURI... STRONG THUNDERSTORMS WERE STRETCHED ACROSS NORTHWEST PARTS OF CENTRAL MISSOURI FROM 35 MILES WEST OF MARSHALL...AROUND LEXINGTON...TO KIRKSVILLE. THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 20 MPH AND THE INDIVIDUAL STORMS WERE MOVING EAST AT 30 MPH. BY 530PM...THE THUNDERSTORMS WILL BE FROM MARSHALL TO 30 MILES SOUTH OF KIRKSVILLE..AROUND MACON. PERSONS IN THE COMMUNTITIES OF SLATER... MARSHALL...BRUNSWICK...SALISBURY...BROOKFIELD...MARCELINE AND MACON CAN EXPECT STRONG WINDS TO ABOUT 40 MPH AND VERY HEAVY RAIN THAT REDUCES VISIBILITY AND MAY CAUSE STREET FLOODING..TO OCCUR BETWEEN 430 AND 530 PM. STAY TUNDED TO WEATHER RADAIO OR COMMERCIAL RADIO AND TELEVISION FOR UPDATES OR POSSIBLE WARNINGS. LARM
Special weather statement, Sep 2, 4:38 PM CDT, 3 minutes before
MOZ006-009-010-011-014-022230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 430 PM CDT THU SEP 2 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM... ...STRONG THUNDERSTORMS WERE IN THE NORTHWEST PART OF CENTRAL MISSOURI... STRONG THUNDERSTORMS WERE STRETCHED ACROSS NORTHWEST PARTS OF CENTRAL MISSOURI FROM 35 MILES WEST OF MARSHALL...AROUND LEXINGTON...TO KIRKSVILLE. THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 20 MPH AND THE INDIVIDUAL STORMS WERE MOVING EAST AT 30 MPH. BY 530PM...THE THUNDERSTORMS WILL BE FROM MARSHALL TO 30 MILES SOUTH OF KIRKSVILLE..AROUND MACON. PERSONS IN THE COMMUNTITIES OF SLATER... MARSHALL...BRUNSWICK...SALISBURY...BROOKFIELD...MARCELINE AND MACON CAN EXPECT STRONG WINDS TO ABOUT 40 MPH AND VERY HEAVY RAIN THAT REDUCES VISIBILITY AND MAY CAUSE STREET FLOODING..TO OCCUR BETWEEN 430 AND 530 PM. STAY TUNDED TO WEATHER RADAIO OR COMMERCIAL RADIO AND TELEVISION FOR UPDAT ES OR POSSIBLE WARNINGS. LARM
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 4:03 PM CDT | Severe Thunderstorm Warning | LSX | Adair | 57 min |
| Sep 2, 5:21 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 54 min |
| Sep 2, 5:36 PM CDT | Severe Thunderstorm Warning | LSX | Shelby | 35 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; radar from the NEXRAD Level II archive.