Alert archive / Missouri / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 90, NWS Kansas City, MO

June 5, 1997Sullivan County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 5, 1997, 7:04 PM CDT for Sullivan County, Missouri. It was in force for 41 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 5, 1997, 7:04 PM CDT (00:04 UTC)
Expired
Jun 5, 1997, 7:45 PM CDT
In force
41 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Sullivan County, MO

The radar

The Des Moines radar (KDMX), 177 km from the middle of the area, began a volume at 00:04 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 00:00Z, 0.1 hours before the alert went out and 255 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 00:00Z on 1997-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 00:00Z on 1997-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.193958Sfc1 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
5 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1865 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
63 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 KMCI 060004
SVRMCI
MOC211-060045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
704 PM CDT THU JUN 5 1997

* SEVERE THUNDERSTORM WARNING FOR
    SULLIVAN COUNTY - NORTH CENTRAL MISSOURI
 
* UNTIL 745 PM CDT

* SOME LOCATIONS AFFECTED
    BOYNTON BY 710 PM
    GREEN CITY BY 710 PM
    MILAN BY 720 PM

* AT 7 PM WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM BETWEEN NEWTOWN AND POLLOCK MOVING SOUTH AT 25 MPH.

PEOPLE IN THE PATH OF THIS STORM CAN EXPECT HAIL TO 1 INCH AND WIND
GUSTS TO 65 MPH.

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND DAMAGING WINDS.  FOR
YOUR SAFETY...MOVE INDOORS AND STAY AWAY FROM WINDOWS.

PC

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 5, 2:30 PM CDT, 4 hours 34 minutes earlier.

Area forecast discussion, Jun 5, 2:30 PM CDT, 4 hours 34 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
230 PM CDT THU JUN 5 1997

SHORT TERM CONCERNS INCLUDE PROPAGATION OF CNVCTN OVER IOWA AND
CLD/TEMP FCSTS ACRS FA TONIGHT. LONGER TERM CONCERNS CENTER AROUND
WK SFC TROF NR FA AND GENERAL EFFECTS OF NEARLY CONTINUOUS S/WVS
DROPPING INTO MEAN TROF EAST OF OUR AREA.

CRNT CNVCTN SEEMS TO BE LIMITED TO NARROW AREA INVOF ANALYZED VORT
CENTER NOW JUST SE OF MSP. EXTRAPOLATION TAKES THAT NARROW CORRIDOR
E/SE OF FA. WRN EDGE OF THREAT SEEMS TO BE ALG 5H TEMP
GRADIENT...WHERE INSTABILITY DROPS OFF. WL HOLD ON TO EXISTING CHC
-SHRA POP ALG NE...BUT WL CONFINE AREA SLIGHTLY AND REMOVE TIMING.
STLT TRENDS AND RH PROGS STAY IN LINE WITH GOING CLD FCSTS ACRS THE
REST OF THE FA.

LATER IN PD...RDGG/WARMTH ALOFT SHOULD KEEP THE FA DRY...WITH ONLY
REAL CHANCE ACRS NE SXNS ASSOC WITH VERY WEAK LLVL MSTR CNVRGNC.
ATTM WL LEAVE DRY.

.EAX...NONE

JHV

In the hours before

Special weather statement, Jun 5, 1:06 PM CDT, 5 hours 58 minutes before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-061200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
100 PM CDT THU JUN 5 1997

...NO SEVERE WEATHER EXPECTED THROUGH TONIGHT...

FORECAST: A FEW STRAY SHOWERS MAY REACH PORTIONS OF NORTH
CENTRAL AND NORTHEAST MISSOURI TONIGHT...BUT OTHERWISE DRY
CONDITIONS WILL PREVAIL. NO SEVERE WEATHER IS EXPECTED.

DISCUSSION: A FEW REMNANTS\ FROM CONVECTION OVER IOWA AND MINNESOTA
MAY DROP SOUTH INTO EXTREME NORTHERN PARTS OF MISSOURI. THIS
ACTIVITY WILL WEAKEN QUICKLY AND RAPIDLY AS IT DOES SO. NO SEVERE
WEATHER IS ANTICIPATED.

JHV

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.