Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 152, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 27, 1996, 7:04 PM CDT for Adams County, Illinois; Marion County, Missouri. It was in force for 41 min. 2 reports 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
- May 27, 1996, 7:04 PM CDT (00:04 UTC)
- Expired
- May 27, 1996, 7:45 PM CDT
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Marion County, MO
The radar
The St Louis radar (KLSX), 147 km from the middle of the area, began a volume at 00:04 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 |
|---|---|---|---|
| May 27, 7:30 PM CDT | Hail 0.75 | Palmyra, MO | |
| May 27, 7:55 PM CDT | Hail 1.25 | Payson, 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
Davenport, (KDVN), launched 00:00Z, 0.1 hours before the alert went out and 206 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
- 493 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 305 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 280005 SVRSTL ILC001-MOC127-280045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 704 PM CDT MON MAY 27 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL ILLINOIS ...ADAMS COUNTY IN NORTHEAST MISSOURI ...EASTERN MARION COUNTY AT 703 PM...RADAR INDICATED A SEVERE THUNDERSTORM 5 TO 10 MILES WEST OF QUINCY. THE STORM WAS MOVING EAST-NORTHEAST AT 30 MPH...AND WILL BE AFFECTING THE TOWNS OF QUINCY AND TAYLOR. REMEMBER...A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. IF OUTDOORS...SEEK IxNSIDE SHELTER IMMEDIATELY. STAY AWAY FROM WINDOWS. TRUETT/GKS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:45 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 45 min |
| May 27, 8:05 PM CDT | Tornado Warning | LSX | Adams, Brown, Pike | 40 min |
| May 27, 8:43 PM CDT | Tornado Warning | LSX | Pike | 32 min |
| May 27, 9:33 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 42 min |
| May 27, 10:25 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Macoupin | 50 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1996Severe Thunderstorm Warnings in Missouri, 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.