Alert archive / Missouri / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 95, NWS Kansas City, MO

June 15, 1997Jackson County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 15, 1997, 2:47 PM CDT for Jackson County, Missouri. It was in force for 43 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 15, 1997, 2:47 PM CDT (19:47 UTC)
Expired
Jun 15, 1997, 3:30 PM CDT
In force
43 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Jackson County, MO

The radar

The Pleasant Hill radar (KEAX), 23 km from the middle of the area, began a volume at 19:47 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

Topeka, KS (KTOP), launched 12:00Z, 7.8 hours before the alert went out and 112 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, Topeka, KS at 12:00Z on 1997-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 joules per kilogram.LCLLFCEL10008507005003002001001 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, Topeka, KS at 12:00Z on 1997-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.19395878Sfc1 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
160 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1222 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
125 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.

496 
WUUS1 KMCI 151946 RRA
SVRMCI
MOC095-152035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
247 PM CDT SUN JUN 15 1997

* SEVERE THUNDERSTORM WARNING FOR
    JACKSON COUNTY - NORTHWEST MISSOURI
 
* UNTIL 330 PM CDT

* SOME LOCATIONS AFFECTED
    INDEPENDENCE AT 305 PM
    RAYTOWN AT 300 PM
    DOWNTOWN KANSAS CITY 305 PM

* AT 245 PM WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM IN THE SOUTHERN PART OF KANSAS CITY MOVING NORTHEAST
  AT 20 MPH.

PEOPLE IN THE PATH OF THIS STORM CAN EXPECT HAIL THE SIZE OF
GOLFBALLS AND WIND GUSTS TO 60 MPH.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER INSIDE A STRONG BUILDING.
WELVAERT

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.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 2:37 PM CDT, 10 minutes earlier.

Area forecast discussion, Jun 15, 2:37 PM CDT, 10 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
237 PM CDT SUN JUN 15 1997

SOMEWHAT COMPLICATED FCST THIS PD AS AREA SEEMINGLY BTWN MAIN SYNOPTIC
SCALE DYNAMICS.  STNG VORT DIVING INTO MN ATTM AND SETTING OF LINE OF
TSRA ALNG PRE-FNTL TROF FM WI TO MCW-TQE-HSI TO NR HLC.  MAIN FNT STILL
UP ACRS SD...ALSO VSBL ON SAT IMAGERY.  THE PRE-FNTL BDRY WILL BE THE
ACTIVE ONE AS CNVG POOLS THE MOISTR ALNG AND AHEAD OF IT...AND DRYER
W FLOW BEHIND.  THIS TROF TO ONLY MAKE SLOW PROGRESS INTO NW MO BE EVE.
BUT...ALSO HAVE TO CONTEND WITH WDLY SCT -SHRA/TSRA DVLPNG IN RANDOM
FASHION IN MOIST AND UNSTABLE AMS OVR AREA.  DWPTS IN UPR 60S WITH
A FEW STRAY 70 READINGS ARND AS WELL.  MDLS DISSIMILAR IN DETAILS...
AND SEEM TO DOWNPLAY PCPN THREAT FOR AREA.  AM GOING ALNG WITH SPC/HPC
SCENARIO OF COMPLEX GOING OVR KS AND HEADING OUR WAY TONIGHT...WHICH
SHOULD KEEP CHCS FAIRLY HIGH FOR PCPN.  DONT NECESSARILY AGREE WITH
94E OUTLOOK WITH FFG VALUES SO HIGH FOR NW MO...AND ONLY RIVER RUNNING
HIGH IS THE MIGHTY MO.  GUID POPS QUITE LOW FOR THIS EVENT...AND WILL
CONT TO GO ABV NUMBERS.  MDLS THEN CONT TO DISAGREE WITH TIMING OF FNT
AND JUST HOW FAR IT DROPS INTO MO BEFORE STALLING OUT.  ETA HANGS IT UP
OVR SRN MO...WITH AVN JUST A BIT FURTHER S.  NGM TAKES IT ALL THE WAY
TO THE ARK BRDR.  THIS HAS IMPLICATIONS FOR LATER PDS OF FCST AS PIECES
CONT TO HEAD ALNG BDRY FM SW CUTOFF.  ETA THE MOST GUNG-HO WITH THE
SHEARING PIECE THEORY...WHILE NGM KEEPS SYS MORE INTACT.  FOR NOW WILL
GO AHEAD AND INTRODUCE LOW POPS TO SRN ZONES TUE.  LATER SHIFTS WILL
NEED TO MONITR JUST WHAT HAPPENS WITH THE BDRY AS LOWEST FFG VALUES
ARE OVER SRN ZONES.

.EAX...NONE.

WELVAERT

In the hours before

Special weather statement, Jun 15, 12:59 PM CDT, 1 hour 48 minutes before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-161200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
100 PM CDT SUN JUN 15 1997

...SEVERE THUNDERSTORMS POSSIBLE FROM THIS AFTERNOON THROUGH THE
OVERNIGHT HOURS.

FORECAST:  SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ACROSS THE
AREA THIS AFTERNOON...WITH MORE WIDESPREAD CHANCES BY EVENING AND
OVERNIGHT.  SOME OF THE THUNDERSTORMS COULD REACH SEVERE LIMITS WITH
LARGE HAIL AND STRONG WINDS THE MAIN THREATS.  SPOTTER GROUPS...LAW
ENFORCEMENT OFFICIALS AND EMERGENCY MANAGERS WILL WANT TO STAY
ABREAST OF THE LATEST WEATHER DEVELOPMENTS AS ACTIVATION MAY BE
NECESSARY.

DISCUSSION:  A COMPLEX WEATHER SCENARIO IS DEVELOPING FOR THE OUTLOOK
AREA.  WARM...MOIST AND UNSTABLE AIR IS IN PLACE ACROSS THE REGION...
AND WITH DAYTIME HEATING...SCATTERED THUNDERSTORM DEVELOPMENT IS
POSSIBLE JUST ABOUT ANYWHERE THIS AFTERNOON.  A DRY LINE OVER WESTERN
KANSAS IS EXPECTED TO GENERATE A THUNDERSTORM COMPLEX LATE THIS
AFTERNOON...AND THESE STORMS WILL MOVE EAST TOWARD THE AREA FOR
TONIGHT.  IN ADDITION...A COLD FRONT IS APPROACHING FROM THE NORTHWEST
AND WILL ALSO BE A FOCUS FOR THUNDERSTORM DEVELOPMENT.  THE FRONT IS
EXPECTED TO MOVE INTO THE NORTHWEST TIP OF MISSOURI OVERNIGHT...AND
CROSS THE REMAINDER OF THE AREA BY MONDAY MORNING.  A WIND SHIFT LINE
AHEAD OF THE FRONT WILL ALSO PROVIDE CONVERGING FLOW...WHICH COULD"
GENERATE STORMS AS WELL LATE THIS AFTERNOON AND EVENING. THE PRIMARY
THREATS WILL BE FROM LARGE HAIL AND DAMAGING WINDS.

WELVAERT
Special weather statement, Jun 15, 1:00 PM CDT, 1 hour 47 minutes before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-161200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
100 PM CDT SUN JUN 15 1997

...SEVERE THUNDERSTORMS POSSIBLE FROM THIS AFTERNOON THROUGH THE
OVERNIGHT HOURS.

FORECAST:  SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ACROSS THE
AREA THIS AFTERNOON...WITH MORE WIDESPREAD CHANCES BY EVENING AND
OVERNIGHT.  SOME OF THE THUNDERSTORMS COULD REACH SEVERE LIMITS WITH
LARGE HAIL AND STRONG WINDS THE MAIN THREATS.  SPOTTER GROUPS...LAW
ENFORCEMENT OFFICIALS AND EMERGENCY MANAGERS WILL WANT TO STAY
ABREAST OF THE LATEST WEATHER DEVELOPMENTS AS ACTIVATION MAY BE
NECESSARY.

DISCUSSION:  A COMPLEX WEATHER SCENARIO IS DEVELOPING FOR THE OUTLOOK
AREA.  WARM...MOIST AND UNSTABLE AIR IS IN PLACE ACROSS THE REGION...
AND WITH DAYTIME HEATING...SCATTERED THUNDERSTORM DEVELOPMENT IS
POSSIBLE JUST ABOUT ANYWHERE THIS AFTERNOON.  A DRY LINE OVER WESTERN
KANSAS IS EXPECTED TO GENERATE A THUNDERSTORM COMPLEX LATE THIS
AFTERNOON...AND THESE STORMS WILL MOVE EAST TOWARD THE AREA FOR
TONIGHT.  IN ADDITION...A COLD FRONT IS APPROACHING FROM THE NORTHWEST
AND WILL ALSO BE A FOCUS FOR THUNDERSTORM DEVELOPMENT.  THE FRONT IS
EXPECTED TO MOVE INTO THE NORTHWEST TIP OF MISSOURI OVERNIGHT...AND
CROSS THE REMAINDER OF THE AREA BY MONDAY MORNING.  A WIND SHIFT LINE
AHEAD OF THE FRONT WILL ALSO PROVIDE CONVERGING FLOW...WHICH COULD
GENERATE STORMS AS WELL LATE THIS AFTERNOON AND EVENING. THE PRIMARY
THREATS WILL BE FROM LARGE HAIL AND DAMAGING WINDS.

WELVAERT

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.