Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 202, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 29, 1998, 8:30 PM CDT for Macon County, Missouri. It was in force for 30 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 29, 1998, 8:30 PM CDT (01:30 UTC)
- Expired
- Jun 29, 1998, 9:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Macon County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 8:45 PM CDT | Hail 1.75 | New Cambria, MO | The Macon Police department reported golfball-size hail during a severe thunderstorm 4 miles south of New Cambria. |
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 29, 4:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 1.5 hours before the alert went out and 267 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.
- Mixed-layer CAPE
- 2102 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 2166 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 20.8
The text
As transmitted, in the capitals the NWS used until 2016.
934
WUUS1 KMCI 300132 RRA
SVRMCI
MOC121-300200-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
830 PM CDT MON JUN 29 1998
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MACON COUNTY IN MISSOURI
* UNTIL 900 PM CDT
* AT 830 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED...A
SEVERE THUNDERSTORM 6 MILES WEST OF NEW CAMBRIA...OR ABOUT 32 MILES
SOUTHWEST OF KIRKSVILLE...MOVING SOUTHEAST AT 30 MILES PER HOUR.
* THE SEVERE THUNDERSTORM WILL BE...
3 MILES SOUTH OF NEW CAMBRIA AT 835 PM CDT
6 MILES SOUTH OF CALLAO AT 845 PM CDT
7 MILES SOUTH OF LONG BRANCH STATE PARK AT 855 PM CDT
12 MILES SOUTH OF MACON AT 910 PM CDT
PEOPLE IN THE PATH OF THIS STORM...CAN EXPECT HAIL UP TO ONE INCH IN
DIAMETER...AND WIND GUSTS UP TO 75 MPH. FOR YOUR SAFETY...MOVE
INDOORS...AND STAY AWAY FROM WINDOWS.
A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND DO 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 3985 9285 3971 9285 3971 9271 3963 9245
3977 9246 3982 9270What 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 29, 3:15 PM CDT, 5 hours 15 minutes earlier.
Area forecast discussion, Jun 29, 3:15 PM CDT, 5 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 315 PM CDT MON JUN 29 1998 LTL TIME FOR DISC AS SVR WX NEARS CWA. EXTREME NSTABILITY... STEEP LAPSE RATES...CDFNT AND INCREASING MID LEVEL WNDS WILL PROVIDE FOR A GOOD CHANCE OF SVR WX. WITH HI DWPTS AND CORRESPONDING HI PW AND LO FFG VALUES...WL ISSUE FLASH FLOOD WATCH FOR TNGT FOR NRN 2/3RDS OF CWA. DRIER AND COOLER AIR TO ARRIVE LATE TNGT AND TUES WITH FWC GUID GENERALLY FOLLOWED.IFT INTO 2ND PD FFA. .EAX... FLASH FLOOD WATCH MO ZONES MOZ001>008-011>017-020>025-028>033-037>040-046 KS ZONES KSZ 102>105-025- DB
In the hours before
Local storm report, Jun 29, 8:18 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
818 PM CDT MON JUN 29 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0743 PM LIBERTY MO 90 MPH TSTM GUST
06/29/98 CLAY LIBERTY HOSPITAL DAMAGED
0807 PM OLATHE KS 65 MPH TSTM GUST
06/29/98 JOHNSON 65 MPH GUSTS ON HWY
K-10 W OF OLATHELocal storm report, Jun 29, 8:18 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
818 PM CDT MON JUN 29 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0743 PM LIBERTY MO 90 MPH TSTM GUST
06/29/98 CLAY LIBERTY HOSPITAL DAMAGED
0807 PM OLATHE KS 65 MPH TSTM GUST
06/29/98 JOHNSON 65 MPH GUSTS ON HWY
K-10 W OF OLATHELocal storm report, Jun 29, 8:26 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
826 PM CDT MON JUN 29 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0735 PM 1 S KANSAS CITY INTL ARPT MO 67 MPH TSTM GUST
06/29/98 PLATTE TREES DOWN CARS BLOWN
OF ROAD
0822 PM DE SOTO KS 1.75 INCH HAIL
06/29/98 JOHNSONLocal storm report, Jun 29, 8:26 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
826 PM CDT MON JUN 29 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0735 PM 1 S KANSAS CITY INTL ARPT MO 67 MPH TSTM GUST
06/29/98 PLATTE TREES DOWN CARS BLOWN
OF ROAD
0822 PM DE SOTO KS 1.75 INCH HAIL
06/29/98 JOHNSONLocal storm report, Jun 29, 8:30 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
830 PM CDT MON JUN 29 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0822 PM GARDNER KS 70 MPH TSTM GUST
06/29/98 JOHNSON
0830 PM SOUTH ST JOSEPH MO 80 MPH TSTM GUST
06/29/98 BUCHANAN SIGNIFICANT TREE AND
> STRUCTURE DAMAGELocal storm report, Jun 29, 8:30 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
830 PM CDT MON JUN 29 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0822 PM GARDNER KS 70 MPH TSTM GUST
06/29/98 JOHNSON
0830 PM SOUTH ST JOSEPH MO 80 MPH TSTM GUST
06/29/98 BUCHANAN SIGNIFICANT TREE AND
> STRUCTURE DAMAGEThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:00 PM CDT | Tornado Warning | EAX | Platte | 60 min |
| Jun 29, 7:03 PM CDT | Tornado Warning | EAX | Adair | 27 min |
| Jun 29, 7:28 PM CDT | Severe Thunderstorm Warning | EAX | Clay | 47 min |
| Jun 29, 7:40 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 60 min |
| Jun 29, 8:28 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 62 min |
| Jun 29, 8:35 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 40 min |
| Jun 29, 9:06 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 54 min |
| Jun 29, 9:52 PM CDT | Flash Flood Warning | EAX | Macon, Randolph | 3 hr |
| Jun 29, 10:39 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1998Every 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.