Alert archive / Illinois / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 42, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 9, 1995, 6:12 PM CDT for Macoupin County, Illinois. It was in force for 22 min.
The area
The counties it named.
The facts
- Issued
- May 9, 1995, 6:12 PM CDT (23:12 UTC)
- Expired
- May 9, 1995, 6:34 PM CDT
- In force
- 22 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Macoupin County, IL
The radar
The St Louis radar (KLSX), 91 km from the middle of the area, began a volume at 23:11 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, 11.2 hours before the alert went out and 150 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
- 53 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 637 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 092313 SVRSTL ILC117-092345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 612 PM CDT TUE MAY 9 1995 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ILLINOIS ...EASTERN MACOUPIN COUNTY AT 610 PM...A SEVERE THUNDERSTORM WAS NEAR CARLINVILLE. THE STORM WAS MOVING TO THE NORTHE^AST AT 30 MPH. THE TOWNS OF GIRARD AND STANDARD CITY ARE IN THE PATH OF THIS STORM. THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY FROM WINDOWS. TRUETT/AMS
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, May 9, 3:38 PM CDT, 2 hours 34 minutes before
ILZ095-096-098-058-097-049-092115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 337 PM CDT TUE MAY 9 1995 ...STRONG THUNDERSTORMS OVER EXTREME EASTERN MISSOURI AND SOUTHWEST ILLINOIS... AT 335 PM...WEATHER SERVICE DOPPLER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER THE BI-STATE AREA. ONE STORM WAS NEAR PAYSON..ABOUT 10 MILES SOUTHEAST OF QUINCY...AND WAS MOVING NORTHEAST AT 30 MILES AN HOUR. AT THIS TIME THE STORM DID NOT APPEAR TO BE SEVERE...BUT HEAVY RAIN AND PEA-SIZED HAIL CAN BE EXPECTED AS IT PASSES THROUGH THE CAMP POINT AREA BETWEEN 340 AND 4 PM. THE SECOND STORM WAS ABOUT 20 MILES NORTHWEST OF QUINCY. THIS STORM WAS ALSO MOVING NORTHEAST AT 30 MILES AN HOUR...AND WILL BRING SMALL HAIL AND HEAVY RAIN TO THE ALEXANDRIA AREA BETWEEN 340 AND 4 PM. THE THIRD STORM WAS ALONG THE CALHOUN-GREENE COUNTY LINE..ABOUT 15 MILES WEST OF CARROLLTON. IT WAS ALSO MOVING NORTHEAST AT 25 MILES AN HOUR...AND SHOULD REACH THE WHITE HALL AREA BY 4 PM. FURTHER INTENSIFICATION OF THE STORMS IS POSSIBLE OVER THE NEXT SEVERAL HOURS...AND A TORNADO WATCH IS IN EFFECT FOR MUCH OF WEST CENTRAL AND SOUTHWEST ILLINOIS UNTIL 9 PM. SILVERMAN/TRUETT
Special weather statement, May 9, 4:07 PM CDT, 2 hours 5 minutes before
MOZ061-063-064-ILZ095-096-098-058-099-059-100-097-049-092145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 406 PM CDT TUE MAY 9 1995 ...STRONG THUNDERSTORMS CONTINUE OVER THE BI-STATE AREA... AT 405 PM...WEATHER SERVICE RADAR CONTINUED TO INDICATE STRONG THUNDERSTORMS SCATTERED ACROSS THE BI-STATE AREA...FROM ABOUT 35 MILES NORTH OF QUINCY...TO THE WESTERN SUBURBS OF ST LOUIS. THE STORMS CONTINUED MOVING NORTHEAST AT 30 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS AS OF 405 PM... HOWEVER HEAVY RAINS AND SMALL HAIL ARE LIKELY WITH THE STRONGER STORMS. IN ADDITION...FURTHER STRENGTHENING IS POSSIBLE OVER THE NEXT FEW HOURS AS STORMS PUSH INTO ILLINOIS...AND A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF WEST CENTRAL AND SOUTHWEST ILLINOIS UNTIL 9 PM. SILVERMAN/TRUETT
Special weather statement, May 9, 4:34 PM CDT, 1 hour 38 minutes before
ILZ095-096-058-059-097-049-092215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 433 PM CDT TUE MAY 9 1995 ...STRONG THUNDERSTORMS PUSHING INTO CENTRAL ILLINOIS... AT 430 PM...SCATTERED STRONG THUNDERSTORMS CONTINUED ACROSS WEST CENTRAL ILLINOIS...AND WERE PUSHING INTO CENTRAL SECTIONS OF THE STATE. THE STORMS EXTENDED FROM 45 MILES NORTHEAST OF QUINCY...TO 30 MILES SOUTHWEST OF SPRINGFIELD ILLINOIS...AND WERE STILL MOVING NORTHEAST AT 30 MILES AN HOUR. THE STRONGEST STORMS HAVE PUSHED WELL EAST OF THE QUINCY AREA. HOWEVER...RADAR...SATELLITE AND SURFACE DATA SUGGEST THAT ADDITIONAL THUNDERSTORM DEVELOPMENT MAY OCCUR OVER THE BI-STATE AREA DURING THE NEXT FEW HOUR\S. A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF WEST CENTRAL AND SOUTHWEST ILLINOIS UNTIL 9 PM. SILVERMAN/TRUETT
Special weather statement, May 9, 5:31 PM CDT, 41 minutes before
ILZ095>097-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 530 PM CDT TUE MAY 9 1995 ...TORNADO WATCH IS CANCELLED FOR THE QUINCY AREA AND A SMALL PORTION OF SOUTHWEST ILLINOIS... THE TORNADO WATCH HAS BEEN CANCELLED FOR ADAMS...PIKE...AND BROWN COUNTIES IN ILLINOIS. THE THREAT OF SEVERE WEATHER HAS MOVED TO THE NORTHEAST OF THE AREA. ALTHOUGH A FEW THUNDERSTORMS REMAINED ACROSS A PORTION OF SOUTHWEST ILLINOIS...THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE NORTHEAST.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 6:36 PM CDT | Tornado Warning | LSX | Montgomery | 39 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1995Every severe thunderstorm warning in 1995
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.