Alert archive / Missouri / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 77, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 12, 1992, 8:22 PM CDT for Adair County, Knox County, Missouri. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Jul 12, 1992, 8:22 PM CDT (01:22 UTC)
- Expired
- Jul 12, 1992, 9:15 PM CDT
- In force
- 53 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adair County, MO, Knox County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 1.4 hours before the alert went out and 308 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
- 3062 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1266 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 202 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 130123 SVRSTL MOC001-103-130215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 822 PM CDT SUN JUL 12 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST MISSOURI ...EASTERN ADAIR COUNTY...WESTERN KNOX COUNTY AT 815 PM...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF KIRKSVILLE. THE STORM WAS MOVING EAST SOUTHEAST AT 20 MPH. THIS STORM WILL PASS THROUGH BRASHEAR AND HURDLAND BETWEEN 825 AND 845. THIS STORM WILL PRODUCE LARGE HAIL AND STRONG...POSSIBLY DAMAGING WIND. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. TUCKER/FERRY
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 12, 5:59 PM CDT, 2 hours 23 minutes before
MOZ001-002-003-004-005-006-008-009-130400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 600 PM CDT SUN JUL 12 1992 ...A SEVERE THUNDERSTORM IS IN EFFECT FOR NORTHWEST AND PORTIONS OF NORTH CENTRAL MISSOURI UNTIL 11 PM... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 11 PM. THUNDERSTORMS HAVE ALREADY MOVED INTO EXTREME NORTHERN MISSOURI. THUNDERSTORMS ARE EXPECTED TO DEVELOP RAPIDLY AC:ROSS NORTHWEST MISSOURI THIS EVENING. SOME OF THESE STORMS WILL LIKELY BE STRONG TO SEVERE. TUCKER
Special weather statement, Jul 12, 7:05 PM CDT, 1 hour 17 minutes before
MOZ003-007-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 704 PM CDT SUN JUL 12 1992 ...A STRONG THUNDERSTORM WAS IN KNOX AND LEWIS COUNTIES... AT 650 PM...A STRONG THUNDERSTORM WAS 30 MILES EAST OF KIRKSVILLE....NORTH OF KNOX CITY. THIS STORM WAS MOVING EAST AT 20 MPH. THE STORM WILL MOVE THROUGH LEWIS AND CLARK COUNTIES BETWEEN 650 AND 730 M ...A STRONG THUNDERSTORM WAS IN NORTHWEST LEWIS COUNTY... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN MISSOURI UNTIL 11 PM... AT 7 PM...RADAR INDICATED A STRONG THUNDERSTORM 30 MILES EAST OF KIRKSVILLE. THIS STORM WILL MOVE THROUGH SOUTH CLARK AND NORTHERN LEWIS COUNTIES BETWEEEN 7 AND 745 PM AND WILL PRODUCE SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND HEAVY RAIN. THIS STORM WAS PART OF A LINE OF STORMS THAT EXTENDED FROM NORTHEAST MISSOURI THROUGH NORTHWEST MISSOURI. THESE STORMS WERE MOVING EAST AT 20 MPH. TUCKER/FERRY
Special weather statement, Jul 12, 7:13 PM CDT, 1 hour 9 minutes before
MOZ003-007-130100- SPECIAL WEATHER STATEMENT...CORRECTED FOR GARBLED MESSAGE... NATIONAL WEATHER SERVICE ST LOUIS MO 704 PM CDT SUN JUL 12 1992 ...A STRONG THUNDERSTORM WAS IN NORTHWEST LEWIS COUNTY... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN MISSOURI UNTIL 11 PM... AT 7 PM...RADAR INDICATED A STRONG THUNDERSTORM 30 MILES EAST OF KIRKSVILLE. THIS STORM WILL MOVE THROUGH SOUTH CLARK AND NORTHERN LEWIS COUNTIES BETWEEEN 7 AND 745 PM AND WILL PRODUCE SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND HEAVY RAIN. THIS STORM WAS PART OF A LINE OF STORMS THAT EXTENDED FROM NORTHEAST MISSOURI THROUGH NORTHWEST MISSOURI. THESE STORMS WERE MOVING EAST AT 20 MPH. TUCKER/FERRY
Special weather statement, Jul 12, 7:21 PM CDT, 1 hour 1 minute before
MOZ003-130115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 720 PM CDT SUN JUL 12 1992 ...A STRONG THUNDERSTORM IS MOVING TOWARD NORTHERN ADAIR COUNTY... AT 710 PM...THE THUNDERSTORM WAS LOCATED 25 MILES NORTHWEST OF KIRKSVILLE. THE STORM WAS MOVING EAST AT 25 MILES AN HOUR. THE STORM WILL BE ENTERING THE NORTHWEST ADAIR COUNTY BY 730 PM. PEOPLE IN THE THE TOWNS OF STALL AND SUBLETTE CAN EXPECT WIND GUSTS AROUND 40 MPH...SMALL HAIL AND HEAVY DOWNPOURS FROM THIS STORM BETWEEN 730 PM AND 815 PM. THIS STORM IS PART OF A LONG LINE OF THUNDERSTORMS THAT EXTENDED FROM WEST CENTRAL ILLINOIS...WEST THROUGH NORTHWEST MISSOURI. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN MISSOURI UNTIL 11 PM. PEOPLE IN THE VICINITY OF THESE STORMS SHOULD MONITOR THE LATEST WEATHER CONDITIONS BY LISTENING TO NOAA WEATHER RADIO OR LOCAL RADIO AND T.V. STATIONS. BE PREPARED TO MOVE TO A PLACE OF SAFETY IF SEVERE WEATHER DEVELOPS IN YOUR AREA. FERRY
Special weather statement, Jul 12, 7:53 PM CDT, 29 minutes before
MOZALL-130200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 745 PM CDT SUN JUL 12 1992 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTH AND NORTHWEST PARTS OF CENTRAL MISSOURI UNTIL 11PM... AT 740 STRONG THUNDERSTORMS CONTINUED TO DEVELOP OVER NORTHERN MISSOURI. THE STRONGEST STORMS WERE SCATTERED ALONG A LINE FROM 50 MILES NORTHWEST OF HANNIBAL...TO 20 MILES NORTH OF KIRKSVILLE...TO 30 MILES NORTHEAST OF ST JOSEPH. THESE STORMS WERE CAPABLE OF PRODUCING STRONG GUSTY WINDS ...DANGEROUS LIGHTNING...SMALL HAIL AND HEAVY RAIN. AT THIS TIME NONE OF THE THUNDERSTORMS WERE THREATNING CENTRAL MISSOURI BUT FURTHER DEVELOPMENT IS POSSIBLE DURING THE EVENING. STAY TUNED TO NOAAr WEATHER RADIO OR COMMERCIAL TELEVISION AND RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. KENNEDY
Special weather statement, Jul 12, 8:12 PM CDT, 10 minutes before
MOZ003-007-130215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 812 PM CDT SUN JUL 12 1992 ...A STRONG THUNDERSTORM WAS OVER KIRKSVILLE... AT 805 PM...THE THUNDERSTORM WAS PRODUCING EXTREMELY HEAVY RAINS AS IT MOVED TO THE SOUTHEAST AT 30 MILES AN HOUR. THE ADAIR COUNTY SHERIFF REPORTED A DOWNPOUR WAS IN PROGRESS IN KIRKSVILLE AT 755 PM. THE STORM MAY ALSO PRODUCE SOME SMALL HAIL AND WIND GUSTS OF 35 TO 40 MPH. THE STORM WILL BE MOVING INTO THE BRASHEAR AREA BY 840 PM. THE HEAVY RAINS WILL CAUSE SOME PONDING OF WATER ON ROADS. SOME FLOODING OF LOW LYING AREAS MAY ALSO OCCUR. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN MISSOURI. PEOPLE IN NORTH CENTRAL AND NORTHEAST MISSOURI SHOULD CONTINUE TO MONITOR THE LATEST WEATHER CONDITIONS BY LISTENING TO NOAA WEATHER RADIO OR LOCAL RADIO AND T.V. STATION FOR LATER STATEMENTS OR WARNINGS. FERRY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 9:55 PM CDT | Tornado Warning | LSX | Lewis | 50 min |
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.