Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 121, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 18, 1998, 4:49 PM CDT for Pettis County, Missouri. It was in force for 56 min. 2 reports 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 18, 1998, 4:49 PM CDT (21:49 UTC)
- Expired
- Jun 18, 1998, 5:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Pettis County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 5:10 PM CDT | Hail 1.75 | Sedalia, MO | Golfball-size hail was reported during a severe thunderstorm by the Sedalia Police Department. |
| Jun 18, 5:10 PM CDT | Thunderstorm Wind 60 | Sedalia, MO | Thunderstorm winds knocked down trees and blew several sheds over in Sedalia. |
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 18, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 9.8 hours before the alert went out and 202 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
- 2794 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 327 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 6.9
- Supercell composite
- 26.9
The text
As transmitted, in the capitals the NWS used until 2016.
525
WUUS1 KMCI 182150 RRA
SVRMCI
MOC159-182245-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
449 PM CDT THU JUN 18 1998
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
PETTIS COUNTY IN MISSOURI
* UNTIL 545 PM CDT
* AT 449 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED...A
SEVERE THUNDERSTORM 5 MILES NORTHWEST OF GREEN RIDGE...OR ABOUT 14
MILES WEST OF SEDALIA...MOVING EAST AT 40 MILES PER HOUR.
* THE SEVERE THUNDERSTORM WILL BE...
4 MILES NORTH OF GREEN RIDGE AT 455 PM CDT
4 MILES SOUTHEAST OF DRESDEN AT 500 PM CDT
NEAR SEDALIA AT 510 PM CDT
PEOPLE IN THE PATH OF THIS STORM...CAN EXPECT HAIL UP TO GOLFBALL
SIZE...AND WIND GUSTS UP TO 65 MPH. FOR YOUR SAFETY...MOVE
INDOORS...AND STAY AWAY FROM WINDOWS.
LAT...LON 3893 9350 3852 9351 3855 9308 3894 9306What 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 18, 2:34 PM CDT, 2 hours 15 minutes earlier.
Area forecast discussion, Jun 18, 2:34 PM CDT, 2 hours 15 minutes before
AREA FORECAST DISCUSSION...CORRECTED NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 234 PM CDT THU JUN 18 1998 TIME FOR DISCUSSION LIMITED DUE TO ONGOING SEVERE WEATHER. SQUALL LINE BISECTING CWA THIS AFTERNOON WILL CONTINUE TO THREATEN EASTERN HALF OF CWA INTO THE EARLY EVENING...SO WILL MENTION SCATTERED TSRA THIS EVENING IN THESE AREAS. THUNDER THREAT WILL LIKELY BE OVER FOR THE NORTHWEST BY ZONE ISSUANCE TIME...BUT FOR SIMPLICITY SAKE WILL MENTION CHANCE POPS IN THESE AREAS AND CLEAN UP AS IMMEDIATE WARNING THREAT TAPERS OFF. WILL HIT ZONE WORDING HARD FOR SEVERE THREAT ACROSS THE REMAINDER OF CWA THIS EVENING...AS STORMS ARE PRODUCING NUMEROUS REPORTS OF DAMAGING WINDS UP TO 70 MPH AND GOLFBALL TO BASEBALL SIZE HAIL. REMAINDER OF THE FORECAST PRETTY STRAIGHT FORWARD. FROPA WILL BRING LITTLE IN THE WAY OF COOLING FOR THE AREA THROUGH SATURDAY AS WESTERLY COMPONENT OF WIND SHOULD HELP TO BRING IN SOMEWHAT DRIER AIR. LOTS OF SUNSHINE WILL HELP TEMPERATURES TO CLIMB BACK INTO THE UPPER 80S TO NEAR 90. WILL BUMP GOING FORECAST TEMPS A TAD. DRY WEATHER TO CONTINUE INTO EARLY NEXT WEEK. ETA SOLUTION OF SURFACE LOW DEVELOPMENT OVER NORTH CENTRAL KS BY SATURDAY LOOKS A LITTLE SUSPECT...AND FEEL NGM POSITION FURTHER NORTH LOOKS MORE REALISTIC. MOS GUIDANCE TEMPS NOT TOO BAD...BUT WILL TRIM BACK A TAD ON HIGHS FRIDAY AND SATURDAY. .EAX... MO...NONE. KS...NONE. HUDSON
In the hours before
Local storm report, Jun 18, 4:32 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
432 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0415 PM DOWNING MO WIND DAMAGE
06/18/98 SCHUYLER POWER POLES DOWN.
0415 PM QUEEN CITY MO WIND DAMAGE
06/18/98 SCHUYLER 2 TREES REPORTED DOWNLocal storm report, Jun 18, 4:32 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
432 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0415 PM DOWNING MO WIND DAMAGE
06/18/98 SCHUYLER POWER POLES DOWN.
0415 PM QUEEN CITY MO WIND DAMAGE
06/18/98 SCHUYLER 2 TREES REPORTED DOWNLocal storm report, Jun 18, 4:45 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
445 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM LEXINGTON MO .75 INCH HAIL
06/18/98 LAFAYETTE
0340 PM LEXINGTON MO 60 MPH TSTM GUST
06/18/98 LAFAYETTE LARGE LIMBS DOWN
0345 PM LA CYGNE KS 1 INCH HAIL
06/18/98 LINN
0418 PM ADRIAN MO .75 INCH HAIL
06/18/98 BATES
0418 PM ADRIAN MO 65 MPH TSTM GUST
06/18/98 BATESLocal storm report, Jun 18, 4:45 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
445 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM LEXINGTON MO .75 INCH HAIL
06/18/98 LAFAYETTE
0340 PM LEXINGTON MO 60 MPH TSTM GUST
06/18/98 LAFAYETTE LARGE LIMBS DOWN
0345 PM LA CYGNE KS 1 INCH HAIL
06/18/98 LINN
0418 PM ADRIAN MO .75 INCH HAIL
06/18/98 BATES
0418 PM ADRIAN MO 65 MPH TSTM GUST
06/18/98 BATESLocal storm report, Jun 18, 4:49 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
449 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0403 PM ARCHIE MO 65 MPH TSTM GUST
06/18/98 CASSLocal storm report, Jun 18, 4:49 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
449 PM CDT THU JUN 18 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0403 PM ARCHIE MO 65 MPH TSTM GUST
06/18/98 CASSThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:48 AM CDT | Severe Thunderstorm Warning | EAX | Pettis | 42 min |
| Jun 18, 8:35 AM CDT | Severe Thunderstorm Warning | EAX | Pettis, Saline | 55 min |
| Jun 18, 9:08 AM CDT | Severe Thunderstorm Warning | EAX | Chariton | 52 min |
| Jun 18, 10:30 AM CDT | Severe Thunderstorm Warning | EAX | Cooper | 45 min |
| Jun 18, 11:50 AM CDT | Severe Thunderstorm Warning | EAX | Macon | 55 min |
| Jun 18, 11:56 AM CDT | Severe Thunderstorm Warning | EAX | Adair | 34 min |
| Jun 18, 1:00 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Holt, Nodaway | 30 min |
| Jun 18, 1:34 PM CDT | Severe Thunderstorm Warning | EAX | Gentry, Nodaway, Worth | 41 min |
| Jun 18, 1:40 PM CDT | Severe Thunderstorm Warning | EAX | Platte | 55 min |
| Jun 18, 1:44 PM CDT | Severe Thunderstorm Warning | EAX | Clay | 61 min |
| Jun 18, 1:59 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 61 min |
| Jun 18, 2:08 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Ray | 62 min |
| Jun 18, 2:28 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Livingston | 32 min |
| Jun 18, 2:45 PM CDT | Severe Thunderstorm Warning | EAX | Clay | 40 min |
| Jun 18, 2:54 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 96 min |
| Jun 18, 3:00 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 60 min |
| Jun 18, 3:13 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette, Ray | 77 min |
| Jun 18, 3:30 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 75 min |
| Jun 18, 3:33 PM CDT | Severe Thunderstorm Warning | EAX | Carroll | 42 min |
| Jun 18, 3:48 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 42 min |
| Jun 18, 3:53 PM CDT | Severe Thunderstorm Warning | EAX | Schuyler | 52 min |
| Jun 18, 4:09 PM CDT | Severe Thunderstorm Warning | EAX | Henry | 81 min |
| Jun 18, 4:26 PM CDT | Severe Thunderstorm Warning | EAX | Macon, Randolph | 49 min |
| Jun 18, 4:30 PM CDT | Severe Thunderstorm Warning | EAX | Saline | 60 min |
| Jun 18, 5:09 PM CDT | Severe Thunderstorm Warning | EAX | Cooper | 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.