Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 198, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 28, 1996, 3:39 PM CDT for Monroe County, Randolph County, Illinois. It was in force for 66 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
- Jul 28, 1996, 3:39 PM CDT (20:39 UTC)
- Expired
- Jul 28, 1996, 4:45 PM CDT
- In force
- 66 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, IL, Randolph County, IL
The radar
The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 20:40 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 |
|---|---|---|---|
| Jul 28, 4:10 PM CDT | Hail 1.75 | Baldwin, 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, 8.7 hours before the alert went out and 252 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
- 10 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 64 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, Jul 28, 11:23 AM CDT, 4 hours 16 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-052-085-027-047- 051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095- 064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074- MOZ065-290000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1120 AM CDT SUN JUL 28 1996 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE IN ST. LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND EAST CENTRAL MISSOURI...AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT OVER NORTHEAST AND CENTRAL MISSOURI...GENERALLY ALONG AND WEST OF A HANNIBAL....JEFFERSON CITY LINE. A STRONG THUNDERSTORM COMPLEX IS EXPECTED TO FORM OVER NORTHERN KANSAS AND SOUTHERN NEBRASKA SUNDAY EVENING...WITH THIS ACTIVITY ROLLING SOUTHEAST DURING THE NIGHT. FOR CENTRAL AND NORTHEAST MISSOURI...THIS MEANS THE PRIMARY SEVERE WEATHER THREAT WILL BE AFTER MIDNIGHT. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION. GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 2:03 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Washington | 42 min |
| Jul 28, 4:05 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 25 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.