Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 23, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 18, 1996, 5:37 PM CDT for Pike County, Illinois. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 18, 1996, 5:37 PM CDT (22:37 UTC)
- Expired
- Apr 18, 1996, 6:15 PM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Pike County, IL
The radar
The St Louis radar (KLSX), 104 km from the middle of the area, began a volume at 22:39 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.6 hours before the alert went out and 204 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
- 1393 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 205 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 182237 SVRSTL ILC149-182315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 537 PM CDT THU APR 18 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...PIKE COUNTY AT 536 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 15 MILES WEST OF PITTSFIELD. THE STORM WAS MOVING NORTHEAST AT 40 MILES AN HOUR...AND WILL BE AFFECTING THE TOWNS OF BARRY AND GRIGGSVILLE. REMEMBER...A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. IF OUTDOORS...SEEK INSIDE SHELTER IMMEDIATELY. STAY AWAY FROM WINDOWS. TRUETT/DB
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 18, 1:55 PM CDT, 3 hours 42 minutes before
ILZ095>097-MOZ009-010-018-019-026-027-190045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 150 PM CDT THU APR 18 1996 ...A TORNADO WATCH IS IN EFFECT UNTIL 800 PM CDT FOR A PORTION OF NORTHEAST MISSOURI... A TORNADO WATCH HAS BEEN ISSUED FOR NORTHEAST MISSOURI AND ADJACENT PORTIONS OF IOWA AND ILLINOIS. STRONG TO SEVERE THUNDERSTORMS ARE FORECAST TO DEVELOP DURING THE AFTERNOON ACROSS THE REGION. PERSONS IN NORTHEAST MISSOUJRI SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS INTO THE EARLY EVENING. PLEASE STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL RADIO STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 5:33 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.