Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 159, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 19, 1993, 5:00 PM CDT for Macoupin County, Sangamon County, Illinois. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1993, 5:00 PM CDT (22:00 UTC)
- Expired
- Aug 19, 1993, 5:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Macoupin County, IL, Sangamon County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.0 hours before the alert went out and 287 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
- 40 J/kg
- Mixed-layer CIN
- -305 J/kg
- Mixed-layer LCL
- 1453 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Aug 19, 11:10 AM CDT, 5 hours 50 minutes before
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</html>Special weather statement, Aug 19, 11:13 AM CDT, 5 hours 47 minutes before
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</html>Special weather statement, Aug 19, 4:46 PM CDT, 14 minutes before
ILZ009-010-192230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 442 PM CDT THU AUG 19 1993 ...THUNDERSTORMS ARE DEVELOPING RAPIDLY OVER PORTIONS OF CENTRAL ILLINOIS... AT 4 35 PM CDT...WEATHER RADAR INDICATED A VERY STRONG THUNDERSTORM HAD DEVELOPED 27 MILES SOUTHWEST OF SPRINGFIELD IN EXTREME SOUTHERN MORGAN COUNTY. ANOTHER STRONG STORM WAS LOCATED IN EXTREME NORTHERN LOGAN COUNTY ABOUT 6 MILES NORTH OF LINCOLN. THE STORMS ARE MOVING TO THE EAST AT 25 MPH. EXPECT FREQUENT DANGEROUS LIGHTNING...VERY HEAVY RAIN...AND WIND GUSTS TO 45 MPH WITH THE PASSAGE OF THESE STORMS. SKIPPER
Special weather statement, Aug 19, 5:00 PM CDT, 0 minutes before
ILZ005-006-007-192300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 500 PM CDT THU AUG 19 1993 ...THUNDERSTORMS WILL PUSH THROUGH CENTRAL ILLINOIS... ANOTHER ROUND OF SCATTERED THUNDERSTORMS WILL MOVE THROUGH CENTRAL ILLINOIS EARLY THIS EVENING. AT 455 PM...A STRONG STORM WITH HEAVY RAIN AND POSSIBLY SOME GUSTY WINDS WAS IN EXTREME SOUTHWEST MCLEAN COUNTY NEAR THE TOWN OF MCLEAN...15 MILES SOUTH-SOUTHWEST OF BLOOMINGTON. THIS STORM WILL MOVE TO THE EAST ALONG ROUTE 136 BETWEEN 500 AND 600 PM. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED BETWEEN HENRY AND HAVANA AT 455 PM. THIS RAINFALL...HEAVY AT TIMES...WILL AFFECT PEORIA AND OTHER ADJACENT AREAS ALONG THE ILLINOIS RIVER VALLEY BETWEEN 500 AND 600 PM. MILLER
Special weather statement, Aug 19, 5:00 PM CDT, 0 minutes before
ILZ005-006-007-192300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 500 PM CDT THU AUG 19 1993 ...THUNDERSTORMS WILL PUSH THROUGH CENTRAL ILLINOIS... ANOTHER ROUND OF SCATTERED THUNDERSTORMS WILL MOVE THROUGH CENTRAL ILLINOIS EARLY THIS EVENING. AT 455 PM...A STRONG STORM WITH HEAVY RAIN AND POSSIBLY SOME GUSTY WINDS WAS IN EXTREME SOUTHWEST MCLEAN COUNTY NEAR THE TOWN OF MCLEAN...15 MILES SOUTH-SOUTHWEST OF BLOOMINGTON. THIS STORM WILL MOVE TO THE EAST ALONG ROUTE 136 BETWEEN 500 AND 600 PM. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED BETWEEN HENRY AND HAVANA AT 455 PM. THIS RAINFALL...HEAVY AT TIMES...WILL AFFECT PEORIA AND OTHER ADJACENT AREAS ALONG THE ILLINOIS RIVER VALLEY BETWEEN 500 AND 600 PM. MILLER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:00 PM CDT | Severe Thunderstorm Warning | ILX | Hancock | 30 min |
| Aug 18, 7:14 PM CDT | Tornado Warning | ILX | Schuyler | 31 min |
| Aug 18, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 43 min |
| Aug 18, 8:14 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 46 min |
| Aug 19, 5:52 PM CDT | Severe Thunderstorm Warning | ILX | Montgomery | 53 min |
| Aug 19, 5:52 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 36 min |
| Aug 19, 6:14 PM CDT | Tornado Warning | ILX | Macoupin, Montgomery | 31 min |
| Aug 19, 6:48 PM CDT | Tornado Warning | ILX | Montgomery | 27 min |
| Aug 19, 6:48 PM CDT | Tornado Warning | ILX | Macoupin | 14 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1993Every severe thunderstorm warning in 1993
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.