Alert archive / Illinois / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 143, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 19, 1997, 2:27 PM CDT for Adams County, Illinois. It was in force for 48 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
- Jul 19, 1997, 2:27 PM CDT (19:27 UTC)
- Expired
- Jul 19, 1997, 3:15 PM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Adams County, IL
The radar
The St Louis radar (KLSX), 150 km from the middle of the area, began a volume at 19:28 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 19, 2:45 PM CDT | Thunderstorm Wind 50 | Camp Pt, IL | |
| Jul 19, 2:45 PM CDT | Hail 1 | Camp Pt, IL | Skywarn spotters reported 1 inch hail and trees down in Camp Point. |
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 12:00Z, 7.5 hours before the alert went out and 190 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
- 232 J/kg
- Mixed-layer CIN
- -190 J/kg
- Mixed-layer LCL
- 1181 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 191929 RRA SVRSTL ILC001-192015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 227 PM CDT SAT JUL 19 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...ADAMS COUNTY AT 223 PM...NWS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 4 WEST OF CAMP POINT. THE STORM WAS MOVING AROUND 10 MPH. COMMUNITIES IN THE PATH ARE COATSBURG...COLUMBUS...LIBERTY...PAYSON...KINGSTON... AND BERVERLY. THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS AROUND 60 MPH AND AROUND ONE INCH DIAMETER HAIL. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. RP/METZE
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 19, 10:45 AM CDT, 3 hours 42 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-065-052-085-027-047- 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- 200200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1045 AM CDT SAT JUL 19 1997 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND EAST CENTRAL MISSOURI...AND EXTREME SOUTHWEST ILLINOIS. WIDELY SCATTERED THUNDERSTORMS WERE PRESENT THIS MORNING OVER PORTIONS OF WESTERN ILLINOIS AND EASTERN MISSOURI...THEY WILL BECOME MORE NUMEROUS THIS AFTERNOON AND EARLY THIS EVENING. ALSO THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN AND SMALL HAIL. SKYWARN ACTIVATION IS NOT ANTICIPATED...BUT SPOTTERS AND EMERGENCY MANAGERS SHOULD MONITOR THE LATEST STATEMENTS AND FORECASTS.
Special weather statement, Jul 19, 10:46 AM CDT, 3 hours 41 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-065-052-085-027-047- 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- 200200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1045 AM CDT SAT JUL 19 1997 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND EAST CENTRAL MISSOURI...AND EXTREME SOUTHWEST ILLINOIS. WIDELY SCATTERED THUNDERSTORMS WERE PRESENT THIS MORNING OVER PORTIONS OF WESTERN ILLINOIS AND EASTERN MISSOURI...THEY WILL BECOME MORE NUMEROUS THIS AFTERNOON AND EARLY THIS EVENING. ALSO THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN AND SMALL HAIL. SKYWARN ACTIVATION IS NOT ANTICIPATED...BUT SPOTTERS AND EMERGENCY MANAGERS SHOULD MONITOR THE LATEST STATEMENTS AND FORECASTS.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 1:45 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 45 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1997Every severe thunderstorm warning in 1997
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.