Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 127, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 3, 1997, 12:16 PM CDT for Knox County, Lewis County, Missouri. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1997, 12:16 PM CDT (17:16 UTC)
- Expired
- Jul 3, 1997, 1:00 PM CDT
- In force
- 44 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Knox County, MO, Lewis County, MO
The radar
The St Louis radar (KLSX), 190 km from the middle of the area, began a volume at 17:20 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.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 5.3 hours before the alert went out and 207 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
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 81 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 031719 RRA SVRSTL MOC103-111-031800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1216 PM CDT THU JUL 3 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST MISSOURI ...KNOX COUNTY...WESTERN LEWIS COUNTY AT 1216 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES SOUTH OF EDINA...MOVING EAST AT 25 MPH. TOWNS IN THE PATH OF THIS STORM INCLUDE KNOX CITY...LA BELLE. HAIL UP TO 1 INCH IN DIAMETER CAN BE EXPECTED WITH THE STORMS PASSAGE. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. TRUETT/GLASS
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 3, 10:56 AM CDT, 1 hour 20 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-032200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1100 AM CDT WED JUL 2 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. THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE MUCH OF CENTRAL AND EASTERN MISSOURI. THE SLIGHT RISK AREA IS WEST OF A LINE FROM EDINA TO WENTZVILLE TO FREDERICKTOWN. THUNDERSTORMS ARE EXPECTED TO DEVELOP IN WESTERN AND CENTRAL MISSOURI THIS AFTERNOONz AND MOVE SOUTHEAST ACROSS THE STATE. EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTIVATION. AMS
Special weather statement, Jul 3, 10:57 AM CDT, 1 hour 19 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-032200- SEVERE WEATHER OUTLOOK...CORRECTED DATE NATIONAL WEATHER SERVICE ST LOUIS MO 1100 AM CDT THU JUL 3 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. THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE MUCH OF CENTRAL AND EASTERN MISSOURI. THE SLIGHT RISK AREA IS WEST OF A LINE FROM EDINA TO WENTZVILLE TO FREDERICKTOWN. THUNDERSTORMS ARE EXPECTED TO DEVELOP IN WESTERN AND CENTRAL M|ISSOURI THIS AFTERNOON AND MOVE SOUTHEAST ACROSS THE STATE. EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTIVATION. AMS
Special weather statement, Jul 3, 11:00 AM CDT, 1 hour 16 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-032200- SEVERE WEATHER OUTLOOK...CORRECTED DATE NATIONAL WEATHER SERVICE ST LOUIS MO 1100 AM CDT THU JUL 3 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. THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE MUCH OF CENTRAL AND EASTERN MISSOURI. THE SLIGHT RISK AREA IS WEST OF A LINE FROM EDINA TO WENTZVILLE TO FREDERICKTOWN. THUNDERSTORMS ARE EXPECTED TO DEVELOP IN WESTERN AND CENTRAL MISSOURI THIS AFTERNOON AND MOVE SOUTHEAST ACROSS THE STATE. EMERGENCY MANAGERS AND STORM SPOTTERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTIVATION. AMS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 2:57 PM CDT | Flash Flood Warning | LSX | Knox, Lewis | 4 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.