Alert archive / Missouri / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 69, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 9, 1992, 6:55 PM CDT for Marion County, Ralls County, Missouri. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1992, 6:55 PM CDT (23:55 UTC)
- Expired
- Jul 9, 1992, 7:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Marion County, MO, Ralls County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.9 hours before the alert went out and 358 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
- 226 J/kg
- Mixed-layer CIN
- -218 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 092354 SVRSTL MOC127-173-100045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 655 PM CDT THU JUL 9 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST MISSOURI ...SOUTHERN MARION COUNTY...NORTHERN RALLS COUNTY AT 655 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHWEST MARION COUNTY JUST SOUTHEAST OF WARREN...OR ABOUT 20 MILES WEST OF HANNIBAL. THE STORM WAS MOVING EAST-SOUTHEAST AT 30 MILES AN HOUR...AND WILL BE AFFECTING THE CITIES OF HANNIBAL...HASSARD...WITHERS MILLS...AND NEW LONDON. 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. ALSO REMEMBER THATJ SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. PEOPLE IN THE PATH OF THIS STORM SHOULD REMAIN ALERT. TRUETT/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 9, 1:34 PM CDT, 5 hours 21 minutes before
MOZALL-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 134 PM CDT THU JUL 9 1992 THE SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL AND EASTERN MISSOURI HAS BEEN CANCELLED. FOR THE REMAINDER OF THE EARLY AFTERNOON HOURS...IT APPEARS THAT THE THREAT OF SEVERE WEATHER HAS SHIFTED EAST INTO ILLINOIS. HOWEVER...CONDITIONS OVER NORTHERN MISSOURI REMAIN RIPE FOR FURTHER THUNDERSTORM DEVELOPMENT...AND ADDITIONAL WATCHES AND WARNINGS MAY BE NECESSARY LATER THIS AFTERNOON OR EARLY TONIGHT. PEOPLE THROUGHOUT NORTHERN MISSOURI...ESPECIALLY THOSE LIVING ALONG AND NORTH OF A ST JOSEPH...HANNIBAL LINE...SHOULD CONTINUE TO MONITOR WEATHER DEVELOPMENTS THROUGHOUT THE AFTERNOON AND EVENING. TRUETT
Special weather statement, Jul 9, 3:38 PM CDT, 3 hours 17 minutes before
MOZALL-100400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 338 PM CDT THU JUL 9 1992 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM FOR A LARGE PART OF NORTHERN MISSOURI UNTIL 1100 PM CDT THIS THURSDAY AFTERNOON AND EVENING. THIS WATCH AREA INCLUDES KANSAS CITY... SEDALIA...COLUMBIA...KIRKSVILLE...ST JOSEPH AND JEFFERSON CITY. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE RIGHT FOR SEVERE THUNDERSTORMS TO DEVELOPMENT. IF YOU LIVE IN THE NORTHERN HALF OF MISSOURI...KEEP ABREAST OF THE LATEST WEATHER INFORMATION. IF STORMS MOVE OR DEVELOP INTO YOUR AREA...MOVE INDOORS OR TO A PLACE OF SHELTER AT ONCE. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...STRONtG GUSTY WINDS... DANGEROUS LIGHTNING AND VERY HEAVY RAIN. SHEA
Special weather statement, Jul 9, 4:44 PM CDT, 2 hours 11 minutes before
MOZ006-010-092240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 435 PM CDT THU JUL 9 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI UNTIL 11 PM CDT... AT 430 PM CDT RADAR SHOWED RAPIDLY DEVELOPING THUNDERSTORMS WITH VERY HEAVY SHOWERS IN NORTH SECTIONS OF CENTRAL MISSOURI. THESE STORMS WERE SCATTERED NORTH OF A LINE FROM 75 MILES NORTHWEST OF COLUMBIA TO 45 MILES NORTH-NORTHWEST OF COLUMBIA TO ABOUT 50 MILES NORTH OF COLUMBIA NEAR MACON. THE STRONGEST STORM WAS CENTERED ABOUT 10 MILES EAST OF MACON.. 50 MILES NORTH-NORTHWEST OF COLUMBIA. THESE THUNDERSTORMS WERE MOVING TO THE EAST-NORTHEAST AROUND 25 MILES AN HOUR AS THE GENERAL AREA OF >PRECIPITATION DRIFTED SLOWLY TO THE SOUTHEAST. NO SEVERE WEATHER HAS BEEN REPORTED OR INDICATED BY RADAR THIS AFTERNOON. LARRY B.
Special weather statement, Jul 9, 4:57 PM CDT, 1 hour 58 minutes before
MOZ001-002-003-004-005-006-007-008-009-010-011-012-092300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 453 PM CDT THU JUL 9 1992 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER NORTHERN MISSOURI... AT 450 PM...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER NORTHERN MISSOURI. THE STORMS WERE IN A 20 MILE WIDE AREA THAT EXTENDED FROM JUST NORTH OF KANSAS CITY TO NEAR QUINCY ILLINOIS. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS PART OF THE STATE UNTIL 11 PM THIS EVENING. THE LATEST SURFACE AND RADAR DATA INDICATES THAT THE THUNDERSTORM ACTIVITY OVER NORTHERN MISSOURI WILL CONTINUE TO RAPIDLY EXPAND THROUGHOUT THE REMAINDER OF THE AFTERNOON AND EVENING HOURS. CONDITIONS ALSO REMAIN EXTREMELY FAVORABLE FOR SOME OF THESE STORMS TO BECOME SEVERE...WITH THE POTENTIAL FOR LARGE HAIL... ...DAMAGING WINDS...AND EXTREMELY HEAVY RAINS. PEOPLE THROUGHOUT NORTHERN MISSOURI SHOULD CpAREFULLY MONITOR WEATHER DEVELOPMENTS IN THEIR AREA...AND BE READY FOR QUICK ACTION IF DANGEROUS WEATHER APPROACHES...OR A WARNING IS ISSUED. TRUETT/SHEA
Special weather statement, Jul 9, 5:36 PM CDT, 1 hour 19 minutes before
MOZ006-010-092340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 540 PM CDT THU JUL 9 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI UNTIL 11 PM CDT... AT 535 PM CDT INTENSE THUNDERSTORMS WERE 20 MILES SOUTH-SOUTHEAST OF KIRKSVILLE...NEAR MACON AND 25 TO 40 MILES SOUTHWEST OF KIRKSVILLE BETWEEN BUCKLIN AND SUMNER. THE THUNDERSTORMS WERE MOVING EAST AT 40 MILES AN HOUR. LOOK FOR TORRENTIAL RAIN...DANGEROUS LIGHTNING BRIEF GUSTY WINDS AND POSSIBLY SMALL HAIL FROM THESE THUNDERSTORMS AS THEY MOVE ACROSS LINN AND MACON COUNTIES BETWEEN 540 PM AND 615 PM THIS EVENING. IF SEVERE WEATHER THREATENS YOUR AREA...GET INSIDE TO THE INTERIOR ROOM OF THE HOUSE...OR TO THE BASEMENT. STAY AWAY FROM WINDOWS...AND DONT USE ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. LA GREE
Special weather statement, Jul 9, 6:18 PM CDT, 37 minutes before
MOZ001-002-003-004-005-006-007-008-009-010-011-012-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 610 PM CDT THU JUL 9 1992 ...A LINE OF THUNDERSTORMS EXTENDS ACROSS NORTHERN MISSOURI... AT 605 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS FROM JUST EAST OF KANSAS CITY THROUGH THE MACON AREA TO JUST NORTH OF HANNIBAL. THESE STORMS WERE MOVING EAST AT 30 MPH. A VERY STRONG STORM WAS IN SHELBY COUNTY. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND PARTS OF CENTRAL MISSOURI UNTIL 11 PM THIS EVENING. THE STORMS ARE EXPECTED TO CONTINUE ACROSS NORTHERN AND CENTRAL MISSOURI THIS EVENING. SOME OF THESE STORMS WILL PRODUCE LARGE HAIL...DAMAGING WIND ...VERY HEAVY RAIN AND DEADLY LIGHTNING. TUCKER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 6:15 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 45 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.