Alert archive / Missouri / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 40, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 2, 1992, 11:44 AM CDT for Clark County, Lewis County, Missouri. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1992, 11:44 AM CDT (16:44 UTC)
- Expired
- Jul 2, 1992, 12:30 PM CDT
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Clark County, MO, Lewis County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 4.7 hours before the alert went out and 363 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
- 5739 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 10.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 021647 SVRSTL MOC045-111-021730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1144 AM CDT THU JUL 2 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST MISSOURI ...CLARK COUNTY...LEWIS COUNTY AT 1140 AM CDT...WEATHER SERVICE DOPPLER RADAR SHOWED SEVERE THUNDERSTORMS MOVING INTO WESTERN CLARK AND LEWIS COUNTIES IN NORTHEAST MISSOURI...ABOUT 15 TO 30 MILES NORTHWEST OF QUNICY. THE TOWNS OF KAHOKA...WILLIAMSTOWN AND LA BELLE ARE IN THE PATH OF THESE STORMS. THE STORMS WERE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. 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 FLO}OD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. PRZYBYLINSKI
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 2, 5:54 AM CDT, 5 hours 50 minutes before
MOZALL-011500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 545 AM CDT THU JUL 2 1992 ...THERE IS A GOOD CHANCE FOR SEVERE THUNDERSTORMS IN MISSOURI... A DEEPENING STORM SYSTEM NOW OVER SOUTH CENTRAL KANSAS IS FORECAST TO TRIGGER AN OUTBREAK OF SEVERE THUNDERSTORMS AND POSSIBLY TORNADOES OVER A PORTION OF THE UPPER AND MID MISSISSIPPI VALLEY...INCLUDING MISSOURI...TODAY AND TONIGHT. THE BEST CHANCE IN MISSOURI IS OVER THE NORTHERN HALF OF THE STATE... HOWEVER EVEN SOUTHERN MISSOURI CAN EXPECT A CHANCE FOR SEVERE STORMS. TODAY IS AN UNUSUAL WEATHER DAY. PERSONS IN MISSOURI ARE URGED TO KEEP AN ESPECIALLY CLOSE WATCH ON THE WEATHER AND KEEP ABREAST OF THE LATEST FORECASTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. WHEN THE WEATHER BEGINS TO LOOK THREATENING THINK AHEAD WHERE IS THE SAFEST PLACE FOR YOU TO GO. . SHOULD SEVERE WEATHER OCCUR IN YOUR AREA...LARGE HAIL...WINDS OVER 55 MPH...SIGNIFIC=ANT PROPERTY DAMAGE...OR TORNADOES...REPORT THIS TO LAW ENFORCEMENT OFFICIALS FOR RELAY TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE. PEDIGO
Special weather statement, Jul 2, 10:48 AM CDT, 56 minutes before
MOZALL-021630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1040 AM CDT THU JUL 2 1992 ...STRONG THUNDERSTORMS WERE IN NORTH CENTRAL MISSOURI... AT 1030 AM...AN ISOLATED STRONG THUNDERSTORM...CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY WINDS NEAR 40 MPH...AND POSSIBLY SMALL HAIL... WAS IN NORTH CENTRAL MISSOURI NEAR MARCELINE...OR ABOUT 35 MILES SOUTHWEST OF KIRKSVILLE. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 35 MPH AND WI LL MOVE OVER MARCELINE...BUCKLIN AND NEW CAMBRIA BY 11AM. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED AROUND NORTHWEST PARTS OF CENTRAL MISSOURI. LARM
Special weather statement, Jul 2, 11:32 AM CDT, 12 minutes before
MOZALL-022200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1130 AM CDT THU JUL 2 1992 ...NUMEROUS THUNDERSTORMS A FEW POSSIBLY SEVERE WILL DEVELOPE THIS AFTERNOON ACROSS MISSOURI... A STRONG STORM SYSTEM CENTERED OVER SOUTH CENTRAL IOWA WILL BE MOVING ACROSS NORTHERN MISSOURI AND EASTERN IOWA THIS AFTEROON TO SOUTHERN WISCONSIN TONIGHT. WARM HUMID AND VERY UNSTABLE AIR ACROSS MISSOURI ESPECIALLY THE NORTHWESTERN HALF OF THE STATE IS EXCELLENT FOR THUNDER- STORM DEVELOPMENT. THIS AFTERNOONS WEATHER COULD BE VERY DANGEROUS. PERSONS IN MISSOURI ARE URGED TO KEEP AN ESPECIALLY CLOSE WATCH ON THE WEATHER AND KEEP INFORMED OF THE LATEST FORECASTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. BW
Special weather statement, Jul 2, 11:42 AM CDT, 2 minutes before
MOZALL-021730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1140 AM CDT THU JUL 2 1992 ...INTENSE THUNDERSTORMS HAD MOVED OUT OF CENTRAL MISSOURI... AT 1135 AM...NO THUNDERSTORMS WERE IN CENTRAL MISSOURI. HOWEVER... AN ISOLATED INTENSE THUNDERSTORM HAD MOVED OUT OF NORTH CENTRAL MISSOURI TO 35 MILES SOUTHEAST OF KIRKSVILLE. OTHER THUNDERSTORMS WERE REFORMING IN WEST CENTRAL MISSOURI NEAR CLINTON...30 MILES WEST OF SEDALIA. A;LL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. CENTRAL MISSOURI CONTINUES TO BE UNDER THE THREAT OF SEVERE WEATHER FOR THE REST OF THE DAY. STAY TUNED TO WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR LATER UPDATES. LARM
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 11:11 AM CDT | Severe Thunderstorm Warning | LSX | Shelby | 34 min |
| Jul 2, 11:26 AM CDT | Severe Thunderstorm Warning | LSX | Knox | 49 min |
| Jul 2, 1:08 PM CDT | Severe Thunderstorm Warning | LSX | Lewis, Marion | 52 min |
| Jul 2, 1:39 PM CDT | Tornado Warning | LSX | Marion | 36 min |
| Jul 2, 4:19 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 41 min |
| Jul 2, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 52 min |
| Jul 2, 6:18 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 42 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.