Alert archive / Missouri / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 93, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 25, 1992, 7:48 PM CDT for Knox County, Lewis County, Missouri. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1992, 7:48 PM CDT (00:48 UTC)
- Expired
- Jul 25, 1992, 8:30 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Knox County, MO, Lewis County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.8 hours before the alert went out and 341 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
- 2513 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1263 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 325 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 260049 SVRSTL MOC103-111-260130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 748 PM CDT SAT JUL 25 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT... IN NORTHEAST MISSOURI ...EASTERN KNOX COUNTY...LEWIS COUNTY AT 745 PM...RADAR SHOWED A SEVERE THUNDERSTORM NEAR KNOX CITY IN EASTERN KNOX COUNTY MISSOURI...ABOUT 30 MILES EAST OF KIRKSVILLE. MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR. THIS STORM WILL MOVE INTO THE MONTICELLO AREA BY 815 PM. SOME WIND DAMAGE HAS BEEN REPORTED IN THE KNOX CITY AREA AROUND 740 PM BY LOCAL LAW ENFORCEMENT. 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. SHEA
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 25, 4:03 PM CDT, 3 hours 45 minutes before
MOZ001-002-003-004-260400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 402 PM CDT SAT JUL 25 1992 ...SEVERE THUNDERSTORM WATCH #680 IS IN EFFECT FOR NORTHERN MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHERN MISSOURI THIS SATURDAY AFTERNOON AND EVENING...VALID UNTIL 1100 PM. THIS WATCH INCLUDES THE CITIES OF KIRKSVILLE AND SAINT JOSEPH. CONDITIONS ARE RIGHT FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS ACROSS NORTHERN MISSOURI IN AND CLOSE THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND DAMAGING WIND...AS WELL AS DEADLY LIGHTNING. IF STORMS DEVELOP OR MOVE INTO YOUR AREA...TAKE SHELTER. RESIDENTS OF NORTHERN MISSOURI SHOULD KEEP INFORMED OF THE LATEST WEATHER INFORMATION. SHEA
Special weather statement, Jul 25, 5:21 PM CDT, 2 hours 27 minutes before
MOZ003-260000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 519 PM CDT SAT JUL 25 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHERN MISSOURI UNTIL 1100 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHERN MISSOURI TONIGHT... AT 510 PM...THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED ALONG THE NORTHERN COUNTIES OF MISSOURI TO NORTH OF QUINCY ILLINOIS. THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORMS THIS EVENING ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED AS OF 515 PM. IF YOU LIVE IN THE KIRKSVILLE AREA...OR IN THE WATCH REMAIN ALERT FOR THREATENING WEATHER THIS EVENING. VERY HEAVY RAI.N CAN BE EXPECTED BUT HAIL AND GUSTY WIND ARE A POSSIBILITY. SHEA
Special weather statement, Jul 25, 5:58 PM CDT, 1 hour 50 minutes before
MOZ003-007-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 555 PM CDT SAT JUL 25 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHWEST MISSOURI UNTIL 1100 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI TONIGHT... AT 550 PM...SEVERAL VERY HEAVY THUNDERSTORMS WERE IN A LINE ACROSS KNOW AND LEWIS COUNTIES IN MISOSURI AND OVER THE NORTH SECTIONS OF ADAMS COUNTY IN ILLINOIS. INDICATIONS ARE THAT HAIL...STRONG GUSTY WINDS AND BRIEF HEAVY DOWNPOURS CAN OCCUR WITH THE HEAVY STORMS. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORMS THIS EVENING ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED AS OF 515 PM. IF YOU LIVE IN THE KIRKSVILLEN AREA...OR IN THE WATCH AREA REMAIN ALERT FOR THREATENING WEATHER THIS EVENING.
Special weather statement, Jul 25, 6:09 PM CDT, 1 hour 39 minutes before
MOZ003-007-260100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 555 PM CDT SAT JUL 25 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHWEST MISSOURI UNTIL 1100 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHWEST MISSOURI TONIGHT... AT 550 PM...SEVERAL VERY HEAVY THUNDERSTORMS WERE IN A LINE ACROSS KNOX AND LEWIS COUNTIES IN MISSOURI AND OVER THE NORTH SECTIONS OF ADAMS COUNTY IN ILLINOIS. INDICATIONS ARE THAT HAIL...STRONG GUSTY WINDS AND BRIEF HEAVY DOWNPOURS CAN OCCUR WITH THE HEAVY STORMS. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORMS THIS EVENING ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED AS OF 515 PM. IF YOU LIVE IN THE KIRKSVILLE^ AREA...OR IN THE WATCH AREA REMAIN ALERT FOR THREATENING WEATHER THIS EVENING.
Special weather statement, Jul 25, 6:44 PM CDT, 1 hour 4 minutes before
MOZ003-007-260045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 643 PM CDT SAT JUL 25 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHERN MISSOURI UNTIL 1100 PM CDT... ...A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR NORTHERN MISSOURI TONIGHT... AT 635 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN FROM 30 MILES NORTHEAST OF QUINCY ILLINOIS TO NEAR KIRKSVILLE MISSOURI. THE STRONGEST STORMS WERE JUST EAST OF KIRKSVILLE AND IN CENTRAL LEWIS COUNTY...NEAR MONTICELLO. MOVEMENT OF THESE STORMS WAS SOUTHEAST AT 30 MILES AN HOUR. THE CITIES OF LA GRANGE...GREENSBORO...EDINA AND KNOX CITY ARE IN THE PATH OF THESE STORMS. VERY HEAVY RAIN AND BRIEF GUSTY WIND CAN BE EXPECTED. SMALL HAIL AND DANGEROUS LIGHTNING ARE ALSO POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR COMMERICIAL RADIO AND TELEVISION STATIONS FOR FURTHER UPDATES AND POSSIBLE WARNINGS. SHEA
Special weather statement, Jul 25, 7:24 PM CDT, 24 minutes before
MOZ003-007-260130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 724 PM CDT SAT JUL 25 1992 ...STRONG THUNDERSTORMS CONTINUE OVER PARTS OF WEST CENTRAL ILLINOIS... AT 711 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG THUNDERSTORM OVER NORTHERN BROWN COUNTY ILLINOIS...ABOUT 25 MILES EAST OF QUINCY. MOVEMENT WAS EAST SOUTHEAST AT 30 MILES AN HOUR. THE COMMUNITIES OF MT.STERLING...RIPLEY...COOPERSTOWN AND LA GRANGE ARE IN THE PATH OF THIS STORM. VERY HEAVY RAIN AND BRIEF GUSTY WIND ARE LIKELY. WHEN STORMS APPROACH...TAKE SHELTER IN A BUILDING OR SAFE STRUCTURE. THIS STORM WAS PARTS OF A LARGER AREA OF SCATTERED THUNDERSTORMS EXTENDING WEST TOWARD THE KIRKSVILLE MISSOURI AREA. THUNDERSTORMS CAN BE EXPECTED OVER PARTS OF NORTHERN MISSOURI AND WESTERN ILLINOIS THIS EVENING WITH LOCALLY HEAVY RAIN POSSIBLE. 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 25, 8:04 PM CDT | Severe Thunderstorm Warning | LSX | Adair | 41 min |
| Jul 25, 8:47 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 58 min |
| Jul 25, 9:32 PM CDT | Flash Flood Warning | LSX | Knox, Scotland | 4 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 1992Every severe thunderstorm warning in 1992
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.