Alert archive / Missouri / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 89, NWS Kansas City, MO

May 26, 1997Cass County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 26, 1997, 10:55 PM CDT for Cass County, Missouri. It was in force for 35 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: May 26, 1997, 10:55 PM CDT (03:55 UTC)
Expired: May 26, 1997, 11:30 PM CDT
In force: 35 min
Issued by: NWS Kansas City, MO
Area: Whole counties

County Cass County, MO

The radar

The Pleasant Hill radar (KEAX), 20 km from the middle of the area, began a volume at 03:55 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, 3.9 hours before the alert went out and 118 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 8 J/kg
Mixed-layer CIN: -643 J/kg
Mixed-layer LCL: 553 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 190 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.

613 
WUUS1 KMCI 270351 RRA
SVRMCI
MOC037-270445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1055 PM CDT MON MAY 26 1997

* SEVERE THUNDERSTORM WARNING FOR
    CASS COUNTY - WEST CENTRAL MISSOURI
 
* UNTIL 1130 PM CDT

* SOME LOCATIONS AFFECTED
    EVERETT AT 11 PM
    HARRISONVILLE AT 1115 PM

* AT 1049 PM WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 5 SOUTHWEST OF EVERETT MOVING NORTHEAST AT 20 MPH.

PEOPLE IN THE PATH OF THIS STORM CAN EXPECT 1 INCH HAIL OR LARGER
AND WINDS GUSTS TO 60 MPH.

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

PB/JV

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 May 26, 2:49 PM CDT, 8 hours 6 minutes earlier.

Area forecast discussion, May 26, 2:49 PM CDT, 8 hours 6 minutes before

NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
246 PM CDT MON MAY 26 1997

FCST CONCERNS WILL BE HVY RAIN/SVR THREAT FAR SRN CNTYS TNGT...RAIN IN
GENL NEXT 2 DAYS...TEMPS.

LOOKING AT SVRL BNDRYS THIS AFTN. PRIMARY ONE LIES FM LOW NR BVO TO S
OF CNU THEN E TO ANOTHER LOW NR VIH. AMS VERY MOIST/UNSTBL S OF THIS
BNDRY AND IS LIKELY BREEDING GRND FOR SVR. FTHR N STLT/RADAR DATA
SUPPORT ANOTHER BNDRY FM NR EMP EWD ACRS LINN/BATES/SRN HENRY CNTYS.
ISOLD SVR THREAT CUD EXTD AS FAR N AS A PAOLA TO SEDALIA LN. WILL BE
WATCHING THIS AREA THIS EVENING BUT IT MAY TAKE THE UPR DYNAMICS TO
ACTIVATE THIS BNDRY LTR ON.

IMPRESSIVE UPR LVL TROF EXPCD TO MOVE SLOLY E OUT OF CO TNGT...RCHG
CNTRL/ERN KS BY TUE MRNG. STRENGTH OF DYNAMICS/PLENTIFUL MSTR AND
RECENT HVY RAINS SUG PTNL FOR FLASH FLOODING OVR SRN PTN OF CWA. HV
COORD WITH STL ON FFA FOR THIS AREA TNGT. CAVEAT IS IF OK/SE KS/SRN MO
PTN OF BNDRY LIGHTS UP AND BCMS ONE LRG COMPLEX THE RISK OF FALSH
FLOODING WILL BE REDUCED. HWVR DUE TO 2-3 INCH RAINS LAST 24 HRS AND
UPR DYNAMICS THINK IT BEST TO GO WITH FFA. STG/SVR CNVTN ALREADY OCRG
OVR WRN KS. MAY BE THE BGNGS OF AN MCS BUT WITH PLENTY OF ACCAS SHOWG UP
ACRS CNTRL KS WUDNT SURPRISE ME IF CNVTN STARTS GOING THERE TOO. EXCEPT
FOR FAR SRN CNTYS THE RAIN SHUD HOLD OFF TILL LTR THIS EVE WITH NE CNTYS
WAITING TILL AFT MIDNIGHT.

BNDRY RMNS S OF FA THRU TMRW WITH UPR TROF ADVANCING EWD. SHUD SEE PDS
OF RA/TSRA TMRW SO WILL GO CAT. TEMPS NOT GOING ANYWHERE NEXT 36 HRS
WITH NE TO E BDL WINDS. TROF STILL W OF FA ON WED SO SOME RESIDUAL RAIN
PSBL WITH LOW OVC.

.EAX...FLASH FLOOD WATCH...TNGT...MO ZNS 43>46 53 54...KS ZNS 57 60

J
ULY

In the hours before

Local storm report, May 26, 5:40 PM CDT, 5 hours 15 minutes before

DELAYED LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MISSOURI
440 PM CST MON MAY 26 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1240 AM    4 NNE ROCKVILLE           MO   SHED DESTROYED. PUBLIC
05/26/97   BATES                          REPORT.

1035 PM    ARCHIE                    MO   1.75 INCH HAIL
05/25/97   CASS                           GOLFBALL SIZE HAIL.

1213 AM    AMSTERDAM                 MO   70 MPH TSTM WIND
05/26/97   BATES                          LARGE TREE LIMBS DOWN.
                                          REPORT FROM BATES S.O.

1215 AM    5 E WORLAND               MO   60 MPH TSTM WIND
05/26/97   BATES                          REPORT FROM BATES S.O.

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 26, 11:05 PM CDT	Flash Flood Warning	EAX	Cass	3 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 1997 Every 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.