Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 38, NWS Kansas City, MO

April 14, 1998Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 14, 1998, 11:02 PM CDT for Pettis County, Missouri. It was in force for 28 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: Apr 14, 1998, 11:02 PM CDT (04:02 UTC)
Expired: Apr 14, 1998, 11:30 PM CDT
In force: 28 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Pettis County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 206 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: 184 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 2557 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

767 
WUUS1 KMCI 150403 RRA
SVRMCI
MOC159-150430-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL KANSAS CITY MO
1102 PM CDT TUE APR 14 1998

* SEVERE THUNDERSTORM WARNING FOR
     PETTIS COUNTY IN MISSOURI

* UNTIL 1130 PM CDT

* SOME LOCATIONS AFFECTED
     OVER SEDALIA AT 1110 PM CDT
     4 MILES NORTHWEST OF SMITHTON AT 1115 PM CDT
     
* AT 1102 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTHWEST OF GREEN RIDGE...MOVING EAST
  AT 40 MILES PER HOUR.

PEOPLE IN THE PATH OF THIS STORM CAN EXPECT HAIL UP TO ONE INCHE IN 
DIAMETER 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 3857 9309 3852 9350 3891 9349 3892 9311

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, 8 hours 7 minutes earlier.

Area forecast discussion, Apr 14, 2:55 PM CDT, 8 hours 7 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, 1 hour 43 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, 1 hour 29 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, 1 hour 29 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 hour 10 minutes 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 hour 10 minutes 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, 10:58 PM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1058 PM CDT TUE APR 14 1998

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

1058 PM    PICKERING                 MO    .75 INCH HAIL
04/14/98   NODAWAY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 8:15 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	30 min
Apr 14, 8:23 PM CDT	Severe Thunderstorm Warning	EAX	Andrew	32 min
Apr 14, 8:25 PM CDT	Flash Flood Warning	EAX	Andrew, Holt	3 hr
Apr 14, 8:29 PM CDT	Tornado Warning	EAX	Andrew	31 min
Apr 14, 8:58 PM CDT	Tornado Warning	EAX	DeKalb	22 min
Apr 14, 9:06 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	29 min
Apr 14, 9:10 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb	30 min
Apr 14, 9:27 PM CDT	Severe Thunderstorm Warning	EAX	Bates	43 min
Apr 14, 9:50 PM CDT	Flash Flood Warning	EAX	DeKalb	3 hr
Apr 14, 10:12 PM CDT	Tornado Warning	EAX	Cass, Henry, Johnson	48 min
Apr 14, 10:35 PM CDT	Tornado Warning	EAX	Nodaway	30 min
Apr 14, 11:26 PM CDT	Tornado Warning	EAX	Bates, Cass	29 min
Apr 14, 11:53 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson	47 min
Apr 15, 12:01 AM CDT	Severe Thunderstorm Warning	EAX	Gentry	29 min
Apr 15, 3:44 AM CDT	Severe Thunderstorm Warning	EAX	Bates	51 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.