Alert archive / Missouri / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 604
The Storm Prediction Center issued this severe thunderstorm watch at Jun 18, 1998, 1:00 PM CDT for 24 counties in Kansas; 41 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 1998, 1:00 PM CDT (18:00 UTC)
- Expired
- Jun 18, 1998, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Dade County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Hickory County, MO, Holt County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Putnam County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 58 km from the middle of the area, began a volume at 17:57 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.
Warnings issued inside it
39 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 1:00 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Holt, Nodaway | 30 min |
| Jun 18, 1:07 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 43 min |
| Jun 18, 1:16 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Hickory | 64 min |
| Jun 18, 1:28 PM CDT | Severe Thunderstorm Warning | TOP | Douglas | 32 min |
| Jun 18, 1:34 PM CDT | Severe Thunderstorm Warning | EAX | Gentry, Nodaway, Worth | 41 min |
| Jun 18, 1:39 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, Polk | 36 min |
| Jun 18, 1:40 PM CDT | Severe Thunderstorm Warning | EAX | Wyandotte | 55 min |
| Jun 18, 1:42 PM CDT | Severe Thunderstorm Warning | TOP | Franklin | 33 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, 2:05 PM CDT | Severe Thunderstorm Warning | SGF | Dade | 35 min |
| Jun 18, 2:08 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Ray | 62 min |
| Jun 18, 2:15 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 60 min |
| Jun 18, 2:28 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Livingston | 32 min |
| Jun 18, 2:37 PM CDT | Severe Thunderstorm Warning | SGF | Hickory | 48 min |
| Jun 18, 2:39 PM CDT | Severe Thunderstorm Warning | EAX | Miami | 81 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, 3:03 PM CDT | Severe Thunderstorm Warning | EAX | Linn | 27 min |
| Jun 18, 3:13 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette, Ray | 77 min |
| Jun 18, 3:23 PM CDT | Severe Thunderstorm Warning | ICT | Allen | 37 min |
| Jun 18, 3:30 PM CDT | Severe Thunderstorm Warning | EAX | Linn | 75 min |
| Jun 18, 3:33 PM CDT | Severe Thunderstorm Warning | EAX | Carroll | 42 min |
| Jun 18, 3:36 PM CDT | Severe Thunderstorm Warning | SGF | Bourbon | 64 min |
| Jun 18, 4:05 PM CDT | Tornado Warning | SGF | Bourbon | 50 min |
| Jun 18, 4:09 PM CDT | Severe Thunderstorm Warning | EAX | Henry | 81 min |
| Jun 18, 4:25 PM CDT | Tornado Warning | SGF | Vernon | 65 min |
| Jun 18, 4:30 PM CDT | Severe Thunderstorm Warning | EAX | Saline | 60 min |
| Jun 18, 4:32 PM CDT | Severe Thunderstorm Warning | SGF | Cherokee, Crawford | 63 min |
| Jun 18, 4:49 PM CDT | Severe Thunderstorm Warning | EAX | Pettis | 56 min |
| Jun 18, 4:57 PM CDT | Tornado Warning | SGF | St. Clair | 63 min |
| Jun 18, 5:18 PM CDT | Severe Thunderstorm Warning | SGF | Barton, Vernon | 62 min |
| Jun 18, 5:35 PM CDT | Severe Thunderstorm Warning | ICT | Labette | 25 min |
| Jun 18, 6:03 PM CDT | Severe Thunderstorm Warning | SGF | Hickory | 47 min |
| Jun 18, 6:07 PM CDT | Severe Thunderstorm Warning | SGF | Cedar | 48 min |
| Jun 18, 6:19 PM CDT | Severe Thunderstorm Warning | SGF | Barton | 51 min |
| Jun 18, 6:32 PM CDT | Severe Thunderstorm Warning | SGF | Polk | 48 min |
| Jun 18, 6:46 PM CDT | Flash Flood Warning | SGF | Barton, Cedar | 4 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 6.0 hours before the alert went out and 96 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:15 PM CDT | Tornado Watch | SPC | Barber, Barton, Clark, Clay, Cloud, Comanche and 36 more | 7 hr |
| Jun 18, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee | 6 hr |
| Jun 18, 12:15 AM CDT | Severe Thunderstorm Watch | SPC | Atchison, Holt, Nodaway | 6 hr |
| Jun 18, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audrain, Boone, Callaway, Clark, Howard and 19 more | 5 hr |
| Jun 18, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Boone, Callaway, Clark, Cooper, Howard and 12 more | 5 hr |
| Jun 18, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | Barry, Christian, McDonald, Newton, Stone | 6 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 1998Severe Thunderstorm Watches in Kansas, 1998Every severe thunderstorm watch 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; radar from the NEXRAD Level II archive.