Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 87, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 16, 1992, 2:32 PM CDT for Monroe County, Randolph County, Illinois. It was in force for 43 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 16, 1992, 2:32 PM CDT (19:32 UTC)
- Expired
- Jul 16, 1992, 3:15 PM CDT
- In force
- 43 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, IL, Randolph County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 16, 3:08 PM CDT | Hail 1.75 | Monroe, 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, 7.5 hours before the alert went out and 167 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -11 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 161932 SVRSTL ILC133-157-162015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 232 PM CDT THU JUL 16 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...SOUTHEASTERN MONROE COUNTY...NORTHWESTERN RANDOLPH COUNTY ...AT 230 PM...NWS DOPPLER RADAR INDICATED A STRONG THUNDERSTORM ABOUT 45 MILES SOUTHEAST OF ST LOUIS...NEAR PRARIE DU ROCHER. THE STORM WAS MOVING NORTHEAST AT 20 MPH. THIS STORM WILL PASS NORTHWEST OF SPARTA. 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
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 16, 1:49 PM CDT, 43 minutes before
MOZ018-ILZ013-161945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 149 PM CDT THU JUL 16 1992 ...A STRONG THUNDERSTORM HAS DEVELOPED IN STE GENEVIEVE COUNTY... AT 145 PM...NWS DOPPLER RADAR INDICATED THAT A STORM HAD DEVELOPED RAPIDLY JUST SOUTH OF FRENCH VILLAGE OR ABOUT 45 MILES SOUTH OF ST LOUIS. THIS STORM IS EXPECTED TO MOVE NORTHEAST THROUGH NORTHERN STE GENEVIEVE AND INTO SOUTHERN MONROE AND EXTREME NORTHERN RANDOLPH COUNTY BETWEEN 150 AND 230 PM. THE STORM WILL PRODUCE BRIEF HEAVY RAIN...GUSTY WIND...DEADLY LIGHTNING AND POSSIBLY SMALL HAIL. BLOOMSDALE...STE GENEVIEVE...KIDD AND PRARIE DU ROCHER ARE IN THE PATH OF THIS STORM. TUCKER
Special weather statement, Jul 16, 2:24 PM CDT, 8 minutes before
MOZ006-009-010-013-014-162000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 215 PM CDT THU JUL 16 1992 ...STRONG THUNDERSTORMS WERE REDEVELOPING OVER WEST CENTRAL MISSOURI... AT 215 PM...HEAVY SHOWERS AND IOLATED STRONG THUNDERSTORMS WERE IN A NARROW LINE THAT EXTENDED FROM 25 MILES SOUTH OF KIRKSVILLE...TO 15 NORTH OF SEDALIA. THE STORMS WERE LOCATED ALONG THE FRONTAL BOUNDARY THAT BISECTED THE STATE FROM NEAR THE QUINCY/HANNIBAL AREA TO JOPLIN MISSOURI. AN ISOLATED STORM NEAR MARSHALL DROPPED .30 INCHES IN LESS THAN A HALF HOUR. SCATTERED THUNDERSTORMS WILL CONTINUE TO BUILD ALONG THIS SLOW MOVING COOL FRONT THIS AFTERNOON...MOVING INTO THE CENTRAL PART OF THE STATE BY LATE AFTERNOON. LIGHT TO MODERATE RAIN WILL PERSIST OVER MOST OF THE EASTERN PORTION OF THE REGION FOR THE REMAINDER OF THE AFTERNOON AND EARLY EVENING. PERLOW
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 3:27 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 48 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.