Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 246, NWS Kansas City, MO

November 9, 1998Henry County, Johnson County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Nov 9, 1998, 11:52 PM CST for Henry County, Johnson County, Missouri. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Nov 9, 1998, 11:52 PM CST (05:52 UTC)
Expired: Nov 10, 1998, 12:30 AM CST
In force: 38 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Henry County, MO, Johnson County, MO

The radar

The Pleasant Hill radar (KEAX), 48 km from the middle of the area, began a volume at 05:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 9, 11:00 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 5.9 hours before the alert went out and 168 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: 2 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 510 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 58 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.

490 
WUUS1 KMCI 100553 RRA
SVRMCI
MOC083-101-100630-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
1152 PM CST MON NOV 9 1998

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
     EASTERN JOHNSON COUNTY IN MISSOURI
     HENRY COUNTY IN MISSOURI

* UNTIL 1230 AM CST

* AT 1152 PM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED...A
  SEVERE THUNDERSTORM 4 MILES EAST OF CHILHOWEE...OR ABOUT 12 MILES
  SOUTH OF WARRENSBURG...MOVING EAST AT 35 MILES PER HOUR.

* THE SEVERE THUNDERSTORM WILL BE...
     OVER LEETON AT 1155 PM CST
     7 MILES SOUTH OF WHITEMAN AFB AT 1210 AM CST
     NEAR CLINTON AT 1210 AM CST

PEOPLE IN THE PATH OF THIS STORM...CAN EXPECT WIND GUSTS UP TO 80  
MPH. FOR YOUR SAFETY...MOVE INDOORS...AND STAY AWAY FROM WINDOWS.

LAT...LON 3892 9382 3824 9405 3822 9354 3893 9354

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 Nov 9, 4:07 PM CST, 7 hours 45 minutes earlier.

Area forecast discussion, Nov 9, 4:07 PM CST, 7 hours 45 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
407 PM CST MON NOV 9 1998

DEEPENING STORM OVR OF THE HIGH PLAINS THIS PM WILL EJECT OUT INTO
THE CENTRAL PLNS LATE TNGT ACCOMPANIED BY STG UPR LVL SUPPORT. IN
THE SHRT TERM FOR THIS EVNG...WRM FNT RMNS TO SW OF CWA BUT STG LLJ
AHD OF PRES FALLS LIKELY TO LIFT FNT N OF FCST AREA SOMETIME THIS
EVNG. WITH DEW PTS IN 50S/60S LIKELY TO PUSH NWRD INTO CWA. AWIPS
VIS LOOP/MTR DATA SHWS 50 DEG DEW PT AT MCI WITH BINOVC JUST W OF
STATE LINE. INSTABILITY SHLD INCREASE ENOUGH TO WARRENT CHC FOR
ISOLD CNVTN. EVNG CREW WILL HAVE TO KEEP AN EYE OUT FOR PSBL ISOLD
SVR CELLS BUT DO NOT ANTICIPATE MUCH...IF ANY...IN THE WAY OF
FLOODING. DEEPEST MSTR WILL REMAIN E OF CWA THEREFORE WIDESPREAD
FLASH FLOOD GUIDANCE EXCEEDINGS RAINFALL XPCTD TO MISS FCST AREA.
LOWERED MEAN BASIN AVERAGES ACR ALL OF CWA IN FIRST PRD QPF PRODUCT.

BIG FCST CONCERN HOWEVER IS STG WNDS LATE TNGT AND TUE. ALL MODELS
SUGGEST STRONGEST SFC PRES GRADIENT NRN MO/SRN IA BUT 120 KT H3 JET
FTHR S IN MO. WITH ANITICIPATED CLRG BY MID DAY TUE XPCT STG
DOWNWARD TRANSFER OF MOMEMTUM AND WINDS APPROACHING ADVISORY
CRITERIA. SINCE EVENT IS XPCTD IN SEC PRD WILL HOLD OFF IN ISSUING
NPW. INSTEAD WENT WITH PLAYED UP SPS AND WILL LET MID SHIFT MAKE THE
CALL TO WHEN AND WHERE TO ISSUE ANY NEEDED WND ADVISORY.

AS FAR AS TEMPS GO STAYED CLOSER TO COOLER FAN NUMBERS. LWR
TROPOSPHERIC CAA SUGGEST BY MODELS ON TUE SUPPORTS STDY OF FALLING
TEMPS FM LO TO MID 40S. ALSO WITH SFC RDG AND DIMINISHING WNDS TUE
NITE AND WED THINK MINS IN 20S LIKELY OVR ALL OF CWA WED AM.

.EAX...
MO...NONE
KS...NONE

BODNER

In the hours before

Local storm report, Nov 9, 10:38 PM CST, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1038 PM CST MON NOV 09 1998

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

1034 PM    4 W LA CYGNE              KS    70 MPH TSTM GUST
11/09/98   LINN

Local storm report, Nov 9, 10:38 PM CST, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1038 PM CST MON NOV 09 1998

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

1034 PM    4 W LA CYGNE              KS    70 MPH TSTM GUST
11/09/98   LINN

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 9, 10:37 PM CST	Severe Thunderstorm Warning	EAX	Bates, Cass	53 min
Nov 10, 12:12 AM CST	Severe Thunderstorm Warning	EAX	Pettis, Saline	48 min
Nov 10, 1:07 AM CST	Severe Thunderstorm Warning	EAX	Cooper, Howard, Randolph	38 min
Nov 10, 1:07 AM CST	Severe Thunderstorm Warning	EAX	Macon	38 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1998 Every severe thunderstorm warning in 1998

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.