Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 178, NWS Kansas City, MO

June 28, 1998Grundy County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 28, 1998, 9:54 PM CDT for Grundy County, Missouri. It was in force for 51 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: Jun 28, 1998, 9:54 PM CDT (02:54 UTC)
Expired: Jun 28, 1998, 10:45 PM CDT
In force: 51 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Grundy County, MO

What was reported inside it

Time	Report	Where	Remark
Jun 28, 10:05 PM CDT	Hail 1.75	Tindall, MO	Golfball-size hail was reported in Tindall by a Trenton radio station.

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
Jun 28, 7:00 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 212 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: 7536 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 985 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 315 m²/s²
Significant tornado parameter: 18.3
Supercell composite: 82.8

Open this sounding in Storm Lab

The text

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

131 
WUUS1 KMCI 290256 RRA
SVRMCI
MOC079-290345-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
954 PM CDT SUN JUN 28 1998

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
     GRUNDY COUNTY IN MISSOURI

* UNTIL 1045 PM CDT

* AT 954 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED...A
  SEVERE THUNDERSTORM OVER EDINBURG...OR ABOUT 7 MILES WEST OF
  TRENTON...MOVING EAST AT 30 MILES PER HOUR.

* THE SEVERE THUNDERSTORM WILL BE...
     OVER EDINBURG AT 955 PM CDT
     2 MILES WEST OF TRENTON AT 1000 PM CDT
     4 MILES EAST OF TRENTON AT 1010 PM CDT
     3 MILES SOUTHEAST OF DUNLAP AT 1020 PM CDT
     
PEOPLE IN THE PATH OF THIS STORM...CAN EXPECT ONE INCH HAIL...AND 
WIND GUSTS UP TO 60 MPH. FOR YOUR SAFETY...MOVE INDOORS...AND STAY 
AWAY FROM WINDOWS.

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 4008 9377 4000 9370 4001 9340 4020 9340
          4022 9371

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 Jun 28, 1:30 PM CDT, 8 hours 24 minutes earlier.

Area forecast discussion, Jun 28, 1:30 PM CDT, 8 hours 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
130 PM CDT SUN JUN 28 1998

THO HEAT STILL A CONCERN TDA...FCST PROBLEM HAS SHIFTED TO PCP PSBLTY
AND POTENTIAL FOR FLASH FLOODING.

VERY STG CAP HAS SLOWLY WEAKENED PAST 12 HOURS WITH MDL GRIDDS
CONTINUING TO SHOW WEAKENING TREND THROUGH NGT. ETA BUILDS CAP BACK
INTO AREA MON AFTN...BUT LOOKS A LTL TOO STRONG...PROBABLY DUE TO
TOO MUCH WARMING IN HI PLAINS. REGARDLESS...FRONT IN COMBINATION
WITH VERY HI DWPTS EXTREME...WK SHRTWV AND DIFFLUENT UPR FLO ENOUGH
TO SUPPORT DEVELOPMENT OF TRW IN VICINITY OF FRONT VERY  THIS AFTN
ACR XTRM NW MO. AGREE WITH SPC THAT DEVELOPMENT OF MCS IS LIKELY
WITH INITIAL DEVELOPMENT CRITICAL AS MBE VECTOR DENOTES S/SE
DEVELOPMENT. XPCT MCS TO DEVELOP ACR NWRN MO...AND WITH VERY HI
PRECIP WATER VALUES AND LO FFG...PLAN TO ISSUE FFA FOR NRN 2/3RDS OF
CWA FOR TNGT.

PRECIP TO END DURING EARLY AM HOURS WITH THE POTENTIAL FOR RECOVERY
OF THE AIR MASS DEPENDING UPON OUTFLO BOUNDARIES. MDLS SIMILIAR IN
POSITION OF STNRY FRONT ALONG IA/MO BDR AT 00Z TUES. POSITION
APPEARS REASONABLE BUT TNGTS CONVECTION WL HAVE MAJOR INFLUENCE ON
POSITION OF REDEVELOPMENT LATE MON AFTN. WL GO WITH MDL POSITION AT
THIS TIME AS LATE JUN INSOLATION WL LIKELY ALLOW FOR RAPID RECOVERY
OF AIR MASS. XPCT DEVELOPMENT ONCE AGAIN IN VICINITY OF FRONT DURING
LATE AFTN OR EVE HOURS AS CAP WL PRECLUDE DEVELOMENT UNTIL THAT TIME.

SHRTWV ROTATING SE ACR NRN/CNTRL PLAINS MON NGT SHOULD PUSH FRONT
INTO SRN CWA BY 12Z TUES. COOLING AND DRYING BEHIND FRONT WL BE
SLOW...BUT NRN ZONES WL LIKELY GET BREAK FROM EXCESSIVE HEAT AND
HUMIDITY.

DO NOT PLAN ON CARRYING HEAT ADV ACR NRN 2/3RDS OF CWA TNGT AND SUN
DUE TO COOLING TNGT ASSCD WITH CONVECTION AND POTENTIAL FOR HEAT
INDICES TO BE JUST BLO CRITERIA ON MON DUE TO OUTFLO BOUNDARIES AND
CLD CVR. MIDNIGHT SHIFT WL HAVE TO TAKE ANOTHER LOOK AT THIS AREA
FOR POTENTIAL OF A HEAT ADVISORY ON MON. ACR SRN CWA...WL CONTINUE
HEAT ADVISORY THROUGH MON.

.EAX...
MO...HEAT ADVISORY FOR TONIGHT AND MONDAY
MOZ043>046-053-054
KS...HEAT ADVISORY FOR TONIGHT AND MONDAY
KSZ057-060
MO...FLASH FLOOD WATCH
MOZ001>008-011>017-020>025-028>033-037>040
KS...FLASH FLOOD WATCH
KSZ102>105-025

DB

In the hours before

Local storm report, Jun 28, 6:17 PM CDT, 3 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
617 PM CDT SUN JUN 28 1998

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

0545 PM    FAYETTE                   MO    .88 INCH HAIL
06/28/98   HOWARD

Local storm report, Jun 28, 9:12 PM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
912 PM CDT SUN JUN 28 1998

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

0850 PM    MILLVILLE                 MO    1 INCH HAIL
06/28/98   RAY

JULY

Local storm report, Jun 28, 9:12 PM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
912 PM CDT SUN JUN 28 1998

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

0850 PM    MILLVILLE                 MO    1 INCH HAIL
06/28/98   RAY

JULY

Local storm report, Jun 28, 9:32 PM CDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
932 PM CDT SUN JUN 28 1998

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

0925 PM    4 N AGENCY                MO    1.75 INCH HAIL
06/28/98   BUCHANAN

JULY

Local storm report, Jun 28, 9:32 PM CDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
932 PM CDT SUN JUN 28 1998

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

0925 PM    4 N AGENCY                MO    1.75 INCH HAIL
06/28/98   BUCHANAN

JULY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 8:35 PM CDT	Severe Thunderstorm Warning	EAX	Ray	30 min
Jun 28, 9:19 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	26 min
Jun 28, 9:48 PM CDT	Severe Thunderstorm Warning	EAX	Clinton	42 min
Jun 28, 9:48 PM CDT	Severe Thunderstorm Warning	EAX	Macon	42 min
Jun 28, 9:58 PM CDT	Severe Thunderstorm Warning	EAX	Holt	32 min
Jun 28, 10:43 PM CDT	Severe Thunderstorm Warning	EAX	Clinton	17 min
Jun 28, 10:47 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Sullivan	43 min
Jun 28, 10:58 PM CDT	Severe Thunderstorm Warning	EAX	Mercer, Putnam	47 min
Jun 28, 11:13 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Worth	47 min
Jun 28, 11:13 PM CDT	Severe Thunderstorm Warning	EAX	Schuyler	32 min
Jun 28, 11:24 PM CDT	Flash Flood Warning	EAX	Andrew, Daviess, DeKalb, Gentry, Harrison, Nodaway and 1 more	5 hr
Jun 28, 11:24 PM CDT	Flash Flood Warning	EAX	Adair, Grundy, Linn, Livingston, Macon, Sullivan	5 hr
Jun 28, 11:24 PM CDT	Flash Flood Warning	EAX	Caldwell, Clinton	5 hr
Jun 28, 11:24 PM CDT	Flash Flood Warning	EAX	Buchanan	5 hr
Jun 28, 11:24 PM CDT	Flash Flood Warning	EAX	Putnam, Schuyler	5 hr
Jun 28, 11:24 PM CDT	Flash Flood Warning	EAX	Mercer	5 hr
Jun 28, 11:24 PM CDT	Flash Flood Warning	EAX	Atchison, Holt	5 hr
Jun 28, 11:33 PM CDT	Severe Thunderstorm Warning	EAX	Harrison	42 min
Jun 29, 1:56 AM CDT	Severe Thunderstorm Warning	EAX	Carroll, Ray	49 min
Jun 29, 3:37 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	38 min
Jun 29, 4:14 AM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette	46 min
Jun 29, 4:58 AM CDT	Flash Flood Warning	EAX	Grundy	2 hr
Jun 29, 5:37 AM CDT	Flash Flood Warning	EAX	Jackson	3 hr
Jun 29, 6:33 AM CDT	Flash Flood Warning	EAX	Cass	117 min
Jun 29, 3:29 PM CDT	Severe Thunderstorm Warning	EAX	Schuyler	46 min
Jun 29, 4:50 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	55 min
Jun 29, 6:03 PM CDT	Severe Thunderstorm Warning	EAX	Putnam	42 min
Jun 29, 6:31 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	59 min
Jun 29, 6:47 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler	28 min
Jun 29, 6:51 PM CDT	Tornado Warning	EAX	Buchanan	34 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.