Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 67, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 9, 1992, 5:10 PM CDT for Adams County, Brown County, Illinois. It was in force for 50 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 9, 1992, 5:10 PM CDT (22:10 UTC)
- Expired
- Jul 9, 1992, 6:00 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Brown County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 5:30 PM CDT | Hail 1.75 | Brown, IL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.2 hours before the alert went out and 379 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
- 1224 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 808 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 100 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 092211 SVRSTL ILC001-009-092300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 510 PM CDT THU JUL 9 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL ILLINOIS ...EASTERN ADAMS COUNTY...BROWN COUNTY AT 510 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 20 MILES EAST OF QUINCY...IN EASTERN ADAMS COUNTY. THE STORM WAS MOVING EAST AT 30 MILES AN HOUR...AND WILL BE AFFECTING THE CITIES OF KELLERVILLE...AND MOUNT STERLING. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. TRUETT/SHEA/RP
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, 12:36 PM CDT, 4 hours 34 minutes before
MOZ003-007-011-012-091940- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1235 PM CDT THU JUL 9 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF EASTERN MISSOURI AND WEST CENTRAL ILLINOIS UNTIL 200 PM CDT... AT 1230 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS FROM EXTREME NORTHEAST MISSOURI INTO CENTRAL ILLINOIS. MOVEMENT WAS EAST AT 35 TO 40 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED IN THE BI-STATE REGION OVER THE PAST HOUR. CONDITIONS REMAIN FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT THOUGH. IF YOU LIVE IN OR CLOSE TO THE WATCH AREA...REMAIN ALERT FOR RAPIDLY CHANGING WEATHER AND KEEP INFORMED BY LISTENING FOR lLATER STATEMENTS. SHEA
Special weather statement, Jul 9, 1:09 PM CDT, 4 hours 1 minute before
MOZ010-0911900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 110 PM CDT THU JUL 9 1992 ...THE SEVERE THUNDERSTORM WATCH FOR NORTHCENTRAL MISSOURI EXPIRES AT 2 PM... AT 110 PM SCATTERED...HEAVY SHOWERS HAVE REDEVELOPED OVER NORTH CENTRAL MISSOURI...30 MILES WEST OF KIRKSVILLE. THE SHOWERS SHOWED SIGNS OF INTENSIFYING...WHILE MOVING EAST AT 40 MPH. THE STORMS WILL BE MOVING ACROSS NORTH CENTRAL MISSOURI...JUST NORTH OF AN EARLIER STORM TRACK THAT LEFT A BAND OF 1 TO 2 INCH OF RAINFALL OVER SOUTHERN LINN AND SOUTHERN AND CENTRAL MACON COUNTY. ELSEWHERE...IT WAS QUIET ACROSS MID MISSOURI. THE SKIES WERE MOSTLY SUNNY...IT WAS HOT AND HUMID WITH TEMPERATURES AROUND 90. PERLOW
Special weather statement, Jul 9, 1:34 PM CDT, 3 hours 36 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, 1 hour 32 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, 26 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, 13 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
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 10:22 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 53 min |
| Jul 9, 10:22 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 30 min |
| Jul 9, 5:27 PM CDT | Tornado Warning | LSX | Brown | 33 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.