Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 144, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 19, 1997, 3:46 PM CDT for Saint Charles County, Missouri. It was in force for 44 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 19, 1997, 3:46 PM CDT (20:46 UTC)
- Expired
- Jul 19, 1997, 4:30 PM CDT
- In force
- 44 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Charles County, MO
The radar
The St Louis radar (KLSX), 9 km from the middle of the area, began a volume at 20:50 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, 3:46 PM CDT | Hail 1 | St Peters, MO | Off duty National Weather Service employees reported hail ranging from 1/2 to 1 inch in diameter. The hail fel l in in southern St. Peters near Jungermann and McClay roads, and along Highway 94 from Harvester to Kisker Roads. |
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, 8.8 hours before the alert went out and 234 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
- 1479 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 924 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 56 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 192048 RRA SVRSTL MOC183-192130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 346 PM CDT SAT JUL 19 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...ST. CHARLES COUNTY AT 345 PM CDT..NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM OVER ST. PETERS MISSOURI. THE STORM IS MOVING TO THE SOUTHEAST AT 5 MPH AND WILL AFFECT THE TOWN OF HARVESTER. HAIL THE SIZE OF ONE INCH AND DAMAGING WINDS CAN BE EXPECTED WITH THIS STORM. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. RP
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, 5 hours 1 minute 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, 5 hours 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, 12:59 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Ralls | 46 min |
| Jul 19, 1:41 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 49 min |
| Jul 19, 1:59 PM CDT | Severe Thunderstorm Warning | LSX | Clark | 46 min |
| Jul 19, 3:52 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 53 min |
| Jul 19, 4:00 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 45 min |
| Jul 19, 5:41 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 34 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 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.