Alert archive / Missouri / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 110, NWS St. Louis, MO

June 13, 1997Sainte Genevieve County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 13, 1997, 6:53 PM CDT for Sainte Genevieve County, Missouri. It was in force for 52 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 13, 1997, 6:53 PM CDT (23:53 UTC)
Expired
Jun 13, 1997, 7:45 PM CDT
In force
52 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 23:53 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

Lincoln, IL (KILX), launched 12:00Z, 11.9 hours before the alert went out and 286 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 1997-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1997-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1143 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 132355
SVRSTL
MOC186-140045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
653 PM CDT FRI JUN 13 1997
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...ST. GENEVIEVE COUNTY
 
AT 650 PM...RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTHWEST
OF FARMINGTON. THE STORM WAS MOVING EAST AT 20 MPH.
 
TOWNS IN THE PATH OF THE STORM ARE WEINGARTEN...COFFMAN...AND
ST GENEVIEVE.
 
THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.
 
ECKBERG

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 13, 5:27 PM CDT, 1 hour 26 minutes before
MOZ075-074-132245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
525 PM CDT FRI JUN 13 1997

...TORNADO WARNING CONTINUES FOR ST FRANCOIS COUNTY UNTIL 545 PM...

RADAR INDICATED A SEVERE STORM NEAR FARMINGTON AND WAS MOVING
EAST AT 20 MPH. NUMEROUS REPORTS OF FUNNEL CLOUDS HAVE BEEN RECEIVED...
BUT NO CONFIRM TORNADO TOUCHDOWN YET.

THE STORM MAY STILL PRODUCE A TORNADO AT ANYTIME. PEOPLE IN THE
PATH OF THIS STORM SHOULD TAKE COVER IMMEDIATELY!

&
ECKBERG
Special weather statement, Jun 13, 6:07 PM CDT, 46 minutes before
MOZ041-042-047>051-059-140100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
555 PM CDT FRI JUN 13 1997

...NUMEROUS REPORTS OF FUNNEL CLOUDS OVER CENTRAL MISSOURI...
THERE HAVE BEEN NUMEROUS REPORTS OF FUNNEL CLOUDS OVER PARTS OF CENTRAL
MISSOURI...ESPECIALLY IN THE COLUMBIA AND JEFFERSON CITY AREA. AT 555 PM
THE NATIONAL WEATHER SERVICE DID NOT INDICATE ANY THUNDERSTORMS IN
CENTRAL MISSOURI...BUT THERE WERE NUMEROUS SHOWERS.

THE FUNNEL CLOUDS WERE BELIEVED TO BE CAUSED BY A COMBINATION OF THE
SHOWERS IN THE AREA AND AN UPPER LEVEL LOW PRESSURE SYSTEM MOVING ACROSS
CENTRAL MISSOURI.  THESE TYPE OF FUNNEL CLOUDS ARE SIMILAR TO COLD AIR
FUNNELS...WHICH RARELY REACH THE GROUND.

HOWEVER...PEOPLE IN CENTRAL MISSOURI SHOULD KEEP AN EYE ON THE SKY. IF
YOU SEE ONE OF THESE FUNNEL CLOUDS NEARBY MOVE INDOORS.  EVEN THOUGH
THESE FUNNEL CLOUDS RARELY TOUCHDOWN...IF ONE DOES IT COULD CAUSE SOME
DAMAGE.

DLF
Special weather statement, Jun 13, 6:10 PM CDT, 43 minutes before
MOZ041-042-047>051-059-140100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
555 PM CDT FRI JUN 13 1997

...NUMEROUS REPORTS OF FUNNEL CLOUDS OVER CENTRAL MISSOURI...
THERE HAVE BEEN NUMEROUS REPORTS OF FUNNEL CLOUDS OVER PARTS OF CENTRAL
MISSOURI...ESPECIALLY IN THE COLUMBIA AND JEFFERSON CITY AREA. AT 555 PM
THE NATIONAL WEATHER SERVICE DID NOT INDICATE ANY THUNDERSTORMS IN
CENTRAL MISSOURI...BUT THERE WERE NUMEROUS SHOWERS.

THE FUNNEL CLOUDS WERE BELIEVED TO BE CAUSED BY A COMBINATION OF THE
SHOWERS IN THE AREA AND AN UPPER LEVEL LOW PRESSURE SYSTEM MOVING ACROSS
CENTRAL MISSOURI.  THESE TYPE OF FUNNEL CLOUDS ARE SIMILAR TO COLD AIR
FUNNELS...WHICH RARELY REACH THE GROUND.

HOWEVER...PEOPLE IN CENTRAL MISSOURI SHOULD KEEP AN EYE ON THE SKY. IF
YOU SEE ONE OF THESE FUNNEL CLOUDS NEARBY MOVE INDOORS.  EVEN THOUGH
THESE FUNNEL CLOUDS RARELY TOUCHDOWN...IF ONE DOES IT COULD CAUSE SOME
DAMAGE.

DLF

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 8:49 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway41 min
Jun 13, 3:55 PM CDTSevere Thunderstorm WarningLSXCrawford50 min
Jun 13, 3:58 PM CDTSevere Thunderstorm WarningLSXWashington47 min
Jun 13, 4:48 PM CDTSevere Thunderstorm WarningLSXSaint Francois, Washington42 min
Jun 13, 5:00 PM CDTTornado WarningLSXSaint Francois45 min
Jun 13, 5:21 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve54 min
Jun 13, 6:02 PM CDTSevere Thunderstorm WarningLSXIron28 min
Jun 13, 6:39 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Francois51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.