Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 242, NWS Kansas City, MO

October 4, 1998Carroll County, Lafayette County, Ray County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Oct 4, 1998, 9:28 PM CDT for Carroll County, Lafayette County, Ray County, Missouri. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Oct 4, 1998, 9:28 PM CDT (02:28 UTC)
Expired: Oct 4, 1998, 10:15 PM CDT
In force: 47 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Carroll County, MO, Lafayette County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 68 km from the middle of the area, began a volume at 02:32 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.

What was reported inside it

Time	Report	Where	Remark
Oct 4, 9:39 PM CDT	Hail 0.75	Lexington, MO
Oct 4, 10:10 PM CDT	Hail 0.75	Carrollton, MO

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
Oct 4, 5:15 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.5 hours before the alert went out and 165 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1167 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: -75 m²/s²
0-3 km storm-relative helicity: -237 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Oct 4, 3:00 PM CDT, 6 hours 28 minutes earlier.

Area forecast discussion, Oct 4, 3:00 PM CDT, 6 hours 28 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
300 PM CDT SUN OCT 4 1998

WL NEED FFW TNGT FOR LRG PTN OF CWA. HVY RAINS FROM MRNG MCS OVR W
CNTRL MO/E CNTRL KS AND MORE HVY RAIN ON THE WAY FM DVLPG KS CNVTN
POINT TO POTNL FLASH FLOOD PROBLEMS TNGT. OTHR CONCERN IS
POSSIBILITY OF SVR. AMS RECOVERY THE BIG KEY IF WE CAN GET SVR IN
CWA TNGT. 18Z LAPS DATA HAS INSTABILITY GRADIENT HUGGING EXTRM SRN
BORDER OF CWA. MCS HAS REINFORCED WARM FRONT...KEEPING IT FROM
MAKING A NORTHWARD MOVE SO FAR. EXPCT THIS BNDRY TO MOVE SLOWLY
NORTH TNGT AND PERHAPS BEST SVR THREAT CONFINED TO NR THIS BNDRY.
HOWEVR...STG DYNAMIC SYS WILL LIKELY GET (IN THE WORDS OF STL FCSTR)
"RIP SNORTING SQUALL LINE" TO MOVE ACROSS AREA LTR TNGT. LATEST WV
IMAGERY SHOWING THE STG MID/UPR LVL JET MAX PUSHING INTO CNTRL
PLAINS...WITH STG TSTMS RAPIDLY DVLPG OVR CNTL KS. WIND PROFILES
QUITE FAVORABLE FOR SVR WITH NEODESHA PROFILER SHOWING 50 KTS FROM
850 TO 500. NMRS WARNINGS NOW COMING IN FM KS AND NEB SO IT LOOKS
LIKE SVR OUTBREAK UNDERWAY.

LONGER TERM....ETA SEEMS TO FAST WITH MVG SYS EAST WHILE AVN MAYBE A
TAD TO SLOW. MAIN GIST AT THIS TIME IS TO KP PCPN GOING THROUGH
MONDAY...TAPERING OFF FM WEST TO EAST AND THEN BRINGING PCPN BACK
INTO THE FCST AS UPR LOW DUMBBELLS BACK INTO THE AREA. MRF SHOWING
UNSETTLED WX FOR EXTND PD

FCSTID = 54

.EAX...
MO...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES MOZ001>00R5...
MOZ011>014...MOZ020>022...MOZ028>030...MOZ037>038...MOZ043>045...
MOZ053>054.

KS...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES KSZ025...KSZ057...
KSZ060...KSZ102>105.

In the hours before

Local storm report, Oct 4, 5:34 PM CDT, 3 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
534 PM CDT SUN OCT 04 1998

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

0308 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         PEOPLE EVACUATED FROM
                                           BASEMENT APARTMENTS IN
                                           LEES SUMMIT

0420 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         WATER UP TO DOORS ON
                                           CARS ON 3RD STREET

0455 PM    2 E HIGGINSVILLE          MO    1.75 INCH HAIL
10/04/98   LAFAYETTE

0515 PM    CARROLLTON                MO    .75 INCH HAIL
10/04/98   CARROLL

0515 PM    CARROLLTON                MO    FLOOD
10/04/98   CARROLL                         WATER RUNNING 2 FEET
                                           DEEP OVER STREETS IN
                                           DOWNTOWN CARROLLTON

Local storm report, Oct 4, 5:34 PM CDT, 3 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
534 PM CDT SUN OCT 04 1998

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

0308 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         PEOPLE EVACUATED FROM
                                           BASEMENT APARTMENTS IN
                                           LEES SUMMIT

0420 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         WATER UP TO DOORS ON
                                           CARS ON 3RD STREET

0455 PM    2 E HIGGINSVILLE          MO    1.75 INCH HAIL
10/04/98   LAFAYETTE

0515 PM    CARROLLTON                MO    .75 INCH HAIL
10/04/98   CARROLL

0515 PM    CARROLLTON                MO    FLOOD
10/04/98   CARROLL                         WATER RUNNING 2 FEET
                                           DEEP OVER STREETS IN
                                           DOWNTOWN CARROLLTON

Local storm report, Oct 4, 7:26 PM CDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
726 PM CDT SUN OCT 04 1998

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

0718 PM    GALLATIN                  MO    1 INCH HAIL
10/04/98   DAVIESS

Local storm report, Oct 4, 7:26 PM CDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
726 PM CDT SUN OCT 04 1998

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

0718 PM    GALLATIN                  MO    1 INCH HAIL
10/04/98   DAVIESS

Local storm report, Oct 4, 8:14 PM CDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
814 PM CDT SUN OCT 04 1998

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

0735 PM    10 NW TRENTON             MO    .75 INCH HAIL
10/04/98   GRUNDY

0737 PM    TRENTON                   MO    .75 INCH HAIL
10/04/98   GRUNDY

0746 PM    TRENTON                   MO    70 MPH TSTM GUST
10/04/98   GRUNDY

0754 PM    2 E LAREDO                MO    WIND DAMAGE
10/04/98   GRUNDY                          HIGHWAY SIGN BLOWN INTO
                                           ROAD NEAR LAREDO. LARGE
                                           TREE ALSO BLOWN DOWN.

Local storm report, Oct 4, 8:14 PM CDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
814 PM CDT SUN OCT 04 1998

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

0735 PM    10 NW TRENTON             MO    .75 INCH HAIL
10/04/98   GRUNDY

0737 PM    TRENTON                   MO    .75 INCH HAIL
10/04/98   GRUNDY

0746 PM    TRENTON                   MO    70 MPH TSTM GUST
10/04/98   GRUNDY

0754 PM    2 E LAREDO                MO    WIND DAMAGE
10/04/98   GRUNDY                          HIGHWAY SIGN BLOWN INTO
                                           ROAD NEAR LAREDO. LARGE
                                           TREE ALSO BLOWN DOWN.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 4, 7:12 PM CDT	Flash Flood Warning	EAX	Clay, Jackson	4 hr
Oct 4, 7:13 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess	47 min
Oct 4, 7:36 PM CDT	Severe Thunderstorm Warning	EAX	Grundy	39 min
Oct 4, 7:41 PM CDT	Severe Thunderstorm Warning	EAX	Harrison, Mercer	49 min
Oct 4, 7:51 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Sullivan	39 min
Oct 4, 8:05 PM CDT	Flash Flood Warning	EAX	Ray	4 hr
Oct 4, 9:04 PM CDT	Flash Flood Warning	EAX	Carroll	4 hr
Oct 4, 9:49 PM CDT	Flash Flood Warning	EAX	Platte	2 hr
Oct 4, 9:56 PM CDT	Flash Flood Warning	EAX	Buchanan	3 hr
Oct 4, 9:56 PM CDT	Flash Flood Warning	EAX	Andrew	3 hr
Oct 4, 10:12 PM CDT	Flash Flood Warning	EAX	Cass	4 hr
Oct 4, 10:57 PM CDT	Flash Flood Warning	EAX	Clay, Jackson, Platte	4 hr
Oct 4, 11:57 PM CDT	Flash Flood Warning	EAX	Carroll, Chariton, Ray	4 hr
Oct 4, 7:16 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	44 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; radar from the NEXRAD Level II archive.