Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 18, NWS Kansas City, MO

April 13, 1998Jackson County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 13, 1998, 11:19 AM CDT for Jackson County, Missouri. It was in force for 61 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 13, 1998, 11:19 AM CDT (16:19 UTC)
Expired: Apr 13, 1998, 12:20 PM CDT
In force: 61 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Jackson County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 4.3 hours before the alert went out and 111 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: 822 J/kg
Mixed-layer CIN: -160 J/kg
Mixed-layer LCL: 774 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 328 m²/s²
0-3 km storm-relative helicity: 401 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.

677 
WUUS1 KMCI 131621 RRA
SVRMCI
MOC095-131720-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL KANSAS CITY MO
1119 AM CDT MON APR 13 1998

* SEVERE THUNDERSTORM WARNING FOR
     JACKSON COUNTY IN MISSOURI

* UNTIL 1220 PM CDT

* SOME LOCATIONS AFFECTED
     INDEPENDENCE AROUND 1130 AM CDT
     NEAR BUCKNER AROUND 1150 AM CDT

* AT 1119 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER KANSAS CITY...MOVING NORTHEAST AT 35 MILES
  PER HOUR.

PEOPLE IN THE PATH OF THIS STORM CAN EXPECT HAIL UP TO QUARTER SIZE.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE.

LAT...LON 3918 9415 3887 9422 3888 9455 3908 9461
          3912 9444 3916 9435

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 13, 2:35 AM CDT, 8 hours 44 minutes earlier.

Area forecast discussion, Apr 13, 2:35 AM CDT, 8 hours 44 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
235 AM CDT MON APR 13 1998

MAIN FORECAST CONCERN IS WITH PRECIPITATION TODAY. CURRENTLY SEEING
SOME SCATTERED STORMS DEVELOPING AS SHORT WAVE HEADS TOWARD AREA
WITH A DECENT COLD POOL ASSOCIATED WITH IT. THIS SHOULD QUICKLY MOVE
ACROSS AREA TODAY. WILL PUT IN PRECIPITATION IN WESTERN ZONES FOR
MAINLY THIS MORNING BUT CONTINUE IT ALL DAY IN THE EAST.

ONCE THIS SHORT WAVE MOVES BY...AREA WILL SEE BRIEF SURFACE RIDGING
BEFORE NEXT SURFACE LOW DEVELOPS IN KANSAS ON TUESDAY IN RESPONSE TO
NEXT SHORT WAVE. NOT OUT OF THE QUESTION WESTERN PARTS OF FORECAST
AREA COULD SEE PRECIPITATION DEVELOP BY LATE AFTERNOON ON TUESDAY
BUT SINCE TIMING STILL IN QUESTION WILL JUST LEAVE POPS OUT OF
DAYTIME AND KEEP THE CURRENT TUESDAY NIGHT CHANCES GOING.

TEMPERATURES A BIT TRICKY TODAY WITH FRONT AND COLD POOL COMING
THROUGH. WILL SCALE BACK CURRENT FORECAST JUST A BIT.  GUIDANCE
NUMBERS IN PRETTY CLOSE AGREEMENT...BUT GIVEN CURRENT READINGS...MAY
BE A SHADE TO COOL. WILL GO SLIGHTLY ABOVE

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

PC

In the hours before

Local storm report, Apr 13, 8:59 AM CDT, 2 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
859 AM CDT MON APR 13 1998

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

0850 AM    SPRINGDALE                KS    .75 INCH HAIL
04/13/98   LEAVENWORTH

Local storm report, Apr 13, 8:59 AM CDT, 2 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
859 AM CDT MON APR 13 1998

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

0850 AM    SPRINGDALE                KS    .75 INCH HAIL
04/13/98   LEAVENWORTH

Local storm report, Apr 13, 10:06 AM CDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1006 AM CDT MON APR 13 1998

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

0912 AM    JARBALO                   KS    1 INCH HAIL
04/13/98   LEAVENWORTH

Local storm report, Apr 13, 10:06 AM CDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1006 AM CDT MON APR 13 1998

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

0912 AM    JARBALO                   KS    1 INCH HAIL
04/13/98   LEAVENWORTH

Local storm report, Apr 13, 10:51 AM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1051 AM CDT MON APR 13 1998

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

0930 AM    LEAVENWORTH               KS    .75 INCH HAIL
04/13/98   LEAVENWORTH

Local storm report, Apr 13, 10:51 AM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1051 AM CDT MON APR 13 1998

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

0930 AM    LEAVENWORTH               KS    .75 INCH HAIL
04/13/98   LEAVENWORTH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 3:38 AM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	32 min
Apr 13, 4:10 AM CDT	Severe Thunderstorm Warning	EAX	Lafayette	40 min
Apr 13, 9:38 AM CDT	Severe Thunderstorm Warning	EAX	Lafayette	32 min
Apr 13, 10:58 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Livingston	62 min
Apr 13, 11:45 AM CDT	Severe Thunderstorm Warning	EAX	Clay, Ray	45 min
Apr 13, 12:49 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	31 min
Apr 13, 1:02 PM CDT	Flash Flood Warning	EAX	Caldwell, Carroll, Livingston	4 hr
Apr 13, 1:09 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	36 min
Apr 13, 2:34 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	46 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.