Alert archive / Kansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 34, NWS Kansas City, MO

April 14, 1998Linn County, Miami County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 14, 1998, 9:53 PM CDT for Linn County, Miami County, Kansas. It was in force for 62 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Apr 14, 1998, 9:53 PM CDT (02:53 UTC)
Expired: Apr 14, 1998, 10:55 PM CDT
In force: 62 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Linn County, KS, Miami County, KS

What was reported inside it

Time	Report	Where	Remark
Apr 14, 11:02 PM CDT	Thunderstorm Wind 70	Osawatomie, KS	The Miami County Sheriff's Office reported a 70 MPH wind gust during a severe thunderstorm at Osawatomie.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 14, 4:15 PM CDT	Tornado Watch	SPC	6 hr
Apr 14, 9:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.9 hours before the alert went out and 94 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: 36 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 2148 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 361 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

456 
WUUS1 KMCI 150256 RRA
SVRMCI
KSC091-107-121-150355-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL KANSAS CITY MO
953 PM CDT TUE APR 14 1998

* SEVERE THUNDERSTORM WARNING FOR
     MIAMI COUNTY IN KANSAS
     LINN COUNTY IN KANSAS
     JOHNSON COUNTY IN KANSAS

* UNTIL 1055 PM CDT

* SOME LOCATIONS AFFECTED
     6 MILES NORTHWEST OF PAOLA AT 1000 PM CDT
     OVER HILLSDALE AT 1010 PM CDT
     2 MILES SOUTH OF SPRING HILL AT 1015 PM CDT
     OVER STANLEY AT 1035 PM CDT
     4 MILES SOUTHEAST OF LEAWOOD AT 1045 PM CDT

* AT 953 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN  
   AREA OF SEVERE THUNDERSTORMS EXTENDING FROM LAWRENCE TO 7 MILES   
   NORTHWEST OF OSAWATOMIE...MOVING EASTNORTHEAST AT 35 MILES PER    
   HOUR.

PEOPLE IN THE PATH OF THIS STORM CAN EXPECT GOLFBALL-SIZE HAIL AND 
DAMAGING WINDS UP TO 70 MPH. 

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 3801 9502 3807 9465 3897 9460 3897 9504

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 Apr 14, 2:55 PM CDT, 6 hours 58 minutes earlier.

Area forecast discussion, Apr 14, 2:55 PM CDT, 6 hours 58 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
255 PM CDT TUE APR 14 1998

CONVECTIVE POTENTIAL AT THE FOREFRONT THIS PKG. SPC FIRED FIRST SHOT
INTO SE NEB/NCNTRL KS...AND EXPECT FURTHER CONVECTION ON DOWN THE
DRYLINE TONIGHT. SEE SPSMCI FOR FURTHER DETAILS.

FCST OUT THE REST OF THE PERIOD GETS A LITTLE DICIER. ETA FASTER
THAN OTHER MDLS IN FLINGING SFC LOW THROUGH CWA...WITH NGM/AVN
ALLOWING LOW TO DAWDLE OVER US. ATTM WL OPT FOR A BLEND OF
ETA/AVN...WITH SLIGHTLY PROGRESSIVE MOVEMENT. MIDLVL INSTABILITY
REMAINS DECENT THROUGH PD...OFFERING CHC TRW THROUGH 36H.

MOS TEMPS NOT ALL THAT FAR APART AND FAIRLY REASONABLE.

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

JHV

In the hours before

Local storm report, Apr 14, 9:19 PM CDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
919 PM CDT TUE APR 14 1998

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

0910 PM    SAN ANTONIO               MO    .88 INCH HAIL
04/14/98   BUCHANAN

Local storm report, Apr 14, 9:19 PM CDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
919 PM CDT TUE APR 14 1998

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

0910 PM    SAN ANTONIO               MO    .88 INCH HAIL
04/14/98   BUCHANAN

Local storm report, Apr 14, 9:33 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
933 PM CDT TUE APR 14 1998

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

0925 PM    WORLAND                   MO    1 INCH HAIL
04/14/98   BATES

0930 PM    1 N HARRISONVILLE         MO    1 INCH HAIL
04/14/98   CASS

Local storm report, Apr 14, 9:33 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
933 PM CDT TUE APR 14 1998

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

0925 PM    WORLAND                   MO    1 INCH HAIL
04/14/98   BATES

0930 PM    1 N HARRISONVILLE         MO    1 INCH HAIL
04/14/98   CASS

Local storm report, Apr 14, 9:52 PM CDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
952 PM CDT TUE APR 14 1998

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

0935 PM    4 N TARKIO                MO    80 MPH TSTM GUST
04/14/98   ATCHISON                        WND DAMAGE AT RT 59 AND
                                           RT B.

Local storm report, Apr 14, 9:52 PM CDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
952 PM CDT TUE APR 14 1998

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

0935 PM    4 N TARKIO                MO    80 MPH TSTM GUST
04/14/98   ATCHISON                        WND DAMAGE AT RT 59 AND
                                           RT B.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 9:27 PM CDT	Severe Thunderstorm Warning	EAX	Linn	43 min
Apr 14, 9:53 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	62 min
Apr 14, 10:52 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Miami	33 min
Apr 14, 11:08 PM CDT	Tornado Warning	EAX	Linn, Miami	22 min
Apr 15, 3:44 AM CDT	Severe Thunderstorm Warning	EAX	Linn	51 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.