Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 123, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 25, 1997, 2:25 PM CDT for Audrain County, Boone County, Callaway County, Missouri. It was in force for 65 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
- Jun 25, 1997, 2:25 PM CDT (19:25 UTC)
- Expired
- Jun 25, 1997, 3:30 PM CDT
- In force
- 65 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Audrain County, MO, Boone County, MO, Callaway County, MO
The radar
The St Louis radar (KLSX), 121 km from the middle of the area, began a volume at 19:27 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
Springfield, MO (KSGF), launched 12:00Z, 7.4 hours before the alert went out and 282 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
- 922 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1129 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
718 WUUS1 KSTL 251927 RRA SVRSTL MOC019-027-007-252030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 225 PM CDT WED JUN 25 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...EASTERN BOONE COUNTY...NORTHWESTERN CALLAWAY COUNTY IN EAST CENTRAL MISSOURI ...AUDRAIN COUNTY AT 225 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTHEAST OF COLUMBIA. THE STORM WAS MOVING TO THE NORTHEAST AT 10 TO 15 MPH. THE TOWNS OF HALLSVILLE AND MEXICO ARE IN THE PATH OF THIS STORM. THIS IS A DANGEROUS STORM BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. AMS/ST
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, Jun 25, 11:45 AM CDT, 2 hours 40 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>075-084-085-099-261000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1145 AM CDT WED JUN 25 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 A CHANCE FOR THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON AND TONIGHT. AT THIS TIME...IT APPEARS THEY WILL BE BELOW SEVERE LIMITS. HOWEVER...LOCALLY HEAVY RAIN IS POSSIBLE ACROSS THE COUNTY WARNING AREA LATE THIS AFTERNOON AND TONIGHT. GKS
Special weather statement, Jun 25, 11:52 AM CDT, 2 hours 33 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>075-084-085-099-261000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1145 AM CDT WED JUN 25 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 A CHfANCE FOR THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON AND TONIGHT. AT THIS TIME...IT APPEARS THEY WILL BE BELOW SEVERE LIMITS. HOWEVER...LOCALLY HEAVY RAIN IS POSSIBLE ACROSS THE COUNTY WARNING AREA LATE THIS AFTERNOON AND TONIGHT. GKS
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.