Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 42, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 19, 1996, 6:45 PM CDT for Randolph County, Illinois. It was in force for 45 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
- Apr 19, 1996, 6:45 PM CDT (23:45 UTC)
- Expired
- Apr 19, 1996, 7:30 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Randolph County, IL
The radar
The St Louis radar (KLSX), 104 km from the middle of the area, began a volume at 23:45 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 19, 7:00 PM CDT | Tornado F0 | Chester, 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.8 hours before the alert went out and 256 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
- 2232 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 34 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 192347 SVRSTL ILC157-200030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 645 PM CDT FRI APR 19 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...RANDOLPH COUNTY AT 645 PM...THE ST LOUIS WEATHER RADAR INDICATED A STRONG STORM IN THE NORTHERN PORTION OF STE GENEVIEVE COUNTY IN MISSOURI. THIS STORM WAS MOVING TO THE NORTHEAST AT 40 MPH. CITIES IN THE PATH OF THIS STORM AREA SPARTA...RED BUD AND PRAIRIE DU ROCHER. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. REMEMBER...A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. IF OUTDOORS...SEEK INSIDE SHELTER IMMEDIATELY. STAY AWAY FROM WINDOWS.
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, Apr 19, 3:56 PM CDT, 2 hours 49 minutes before
ILZ058>060-064-065-069-070-074-095>102-MOZ009-010-018-019-026-027- 034>036-041-042-048>052-059>065-200400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 400 PM CDT FRI APR 19 1996 ...A TORNADO WATCH HAS BEEN ISSUED FOR NORTHEAST AND EAST CENTRAL MISSOURI... STRONG TO SEVERE THUNDERSTORMS WILL DEVELOP ACROSS PORTIONS OF EASTERN MISSOURI DURING THE LATE AFTERNOON AND EVENING HOURS. A TORNADO WATCH WILL BE IN EFFECT UNTIL 1100 PM CDT FOR THE NORTHEAST AND EAST CENTRAL PORTION. THE WATCH INCLUDES THE ST LOUIS METROPOLITAN AREA... COLUMBIA...JEFFERSON CITY...MEXICO...AND THE HANNIBAL...QUINCY AREA. PLEASE STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL RADIO AND TV STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
Special weather statement, Apr 19, 6:25 PM CDT, 20 minutes before
ILZ098-MOZ036-052-060-061-200215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 625 PM CDT FRI APR 19 1996 ...TORNADO WATCH IS CANCELLED FOR A PORTION OF EAST CENTRAL MISSOURI... THE6 TORNADO WATCH HAS BEEN CANCELLED FOR PIKE COUNTY MISSOURI ALONG WITH LINCOLN...WARREN...AND ST CHARLES COUNTIES. THE THREAT OF SEVERE WEATHER HAS MOVED TO THE EAST OF THE AREA.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 4:21 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 54 min |
| Apr 19, 4:33 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 57 min |
| Apr 19, 4:46 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 59 min |
| Apr 19, 4:53 PM CDT | Tornado Warning | LSX | Pike | 52 min |
| Apr 19, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 51 min |
| Apr 19, 5:03 PM CDT | Tornado Warning | LSX | Washington | 42 min |
| Apr 19, 5:20 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison | 55 min |
| Apr 19, 5:23 PM CDT | Tornado Warning | LSX | Brown | 37 min |
| Apr 19, 5:27 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 48 min |
| Apr 19, 5:35 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 40 min |
| Apr 19, 5:41 PM CDT | Tornado Warning | LSX | Calhoun | 64 min |
| Apr 19, 6:01 PM CDT | Tornado Warning | LSX | Saint Clair | 44 min |
| Apr 19, 6:14 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 31 min |
| Apr 19, 6:14 PM CDT | Tornado Warning | LSX | Clinton, Washington | 46 min |
| Apr 19, 6:48 PM CDT | Tornado Warning | LSX | Randolph | 42 min |
| Apr 19, 6:51 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 54 min |
| Apr 19, 6:56 PM CDT | Tornado Warning | LSX | Clinton, Marion | 49 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.