Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 6, 1992, 2:32 PM CST for Scott County, Illinois. It was in force for 58 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
- Mar 6, 1992, 2:32 PM CST (20:32 UTC)
- Expired
- Mar 6, 1992, 3:30 PM CST
- In force
- 58 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Scott County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 6, 3:10 PM CST | Hail 0.75 | Scott, 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, 8.5 hours before the alert went out and 325 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
- 39 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1022 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 71 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 062034 SVRSTL ILC061-171-062130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 232 PM CST FRI MAR 6 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...NORTHERN GREENE COUNTY IN WEST CENTRAL ILLINOIS ...SOUTHERN SCOTT COUNTY AT 230 PM CST RADAR INDICATED A SEVERE THUNDERSTORM OVER EXTREME WESTERN GREEN COUNTY NEAR HILLVIEW...WHICH IS 50 MILES NORTH OF ST. LOUIS. THE STORM MOVING NORTHEAST AT 20 MILES AN HOUR. THE TOWNS OF PATTERSON AND BARRON IN GREENE COUNTY...AND GLASCOW IN SCOTT COUNTY ARE IN THE PATH OF THIS STORM. THIS STORM WILL LIKELY PRODUCE LARGE HAIL IN EXCESS OF 3/4 INCH IN DIAMETER...STRONG WIND GUSTS...VERY HEAVY RAIN AND FREQUENT LIGHTNING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUC#TIVE 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 FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. JPK
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, Mar 6, 1:07 PM CST, 1 hour 25 minutes before
MOZ003-006-007-010-011-012-017-018-062000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 104 PM CST FRI MAR 6 1992 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF EAST MISSOURI... A SEVERE THUNDERSTORM WATCH COVERS MUCH OF EAST MISSOURI UNTIL 700 PM CST THIS FRIDAY EVENING. SEVERE THUNDERSTORMS...PRODUCING LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN WILL BE POSSIBLE IN AND CLOSE TO THE WATCH AREA. A STRONG AREA OF LOW PRESSURE OVER NORTHEAST KANSAS...WITH A COLD FRONT TRAILING SOUTH INTO EAST OKLAHOMA...WILL BE THE TRIGGER FOR THE SEVERE STORMS. THE WEATHER SYSTRM WILL MOVE NORTHEAST THIS AFTERNOON AND EVENING TRACKING INTO IOWA. A LINE OF STRONG STORMS HAS ALREADY FORMED FROM NORTH CENTRAL MISSOURI...ACROSS THE CENTRAL PART OF THE STATE IN THE COLUMBIA AREA...THEN TO NEAR HOUSTON IN TEXAS COUNTY. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. PEOPLE IN THE WATCH AREA SHOULD BE OWN THE ALERT FOR POSSIBLE SEVERE WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IN THREATENED. LISTEN TO NOAA WEATHER RADIO OR TO COMMERCIAL RADIO OR TELEVISION FOR THE LATEST WEATHER INFORMATION. JPK
Special weather statement, Mar 6, 2:15 PM CST, 17 minutes before
MOZ003-006-007-010-011-012-017-018-062100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 213 PM CST FRI MAR 6 1992 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN MISSOURI... A SEVERE THUNDERSTORM WATCH CONTINUES ACROSS MUCH OF EASTERN MISSOURI UNTIL 700 PM CST THIS FRIDAY EVENING. SEVERE THUNDERSTORMS...PRODUCING LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. RADAR INDICATED SCATTERED THUNDERSTORMS FROM SOUTH CENTRAL TO NORTHEAST MISSOURI. THE AREA EXTENDED FROM WEST PLAINS MISSOURI TO KIRKSVILLE MISSOURI...WITH THE HEAVIEST RAIN OCCURRING IN NORTHERN GASCONADE AND AND CALLAWAY COUNTY. THE LINE OF STORMS WAS MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. PERSONS LOCATED IN AUDRAIN...MONTGOMERY...WARREN ...FRANKLIN...CRAWFORD...AND DENT COUNTIES CAN EXPECT THESE STORMS TO MOVE ACROSS THEIR AREA BETWEEN 230 AND 300 PM. . THESE STORMS HAVE A PAST HISTORY OF LARGE HAIL...VERY HEAVY RAINS... AND STRONG GUSTY WINDS. PEOPLE IN THE WATCH AREA SHOULD BE ON THE ALERT FOR POSSIBLE SEVERE WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IN THREATENED. LISTEN TO NOAA WEATHER RADIO OR TO COMMERCIAL RADIO OR TELEVISION FOR THE LATEST WEATHER INFORMATION. MM/WB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 2:32 PM CST | Severe Thunderstorm Warning | LSX | Greene | 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.