Alert archive / Missouri / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 202
The Storm Prediction Center issued this severe thunderstorm watch at Apr 13, 1998, 4:00 AM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 1998, 4:00 AM CDT (09:00 UTC)
- Expired
- Apr 13, 1998, 10:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 74 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Jefferson County, IA, Keokuk County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Washington County, IA, Wayne County, IA, Anderson County, KS, Atchison County, KS, Brown County, KS, Chase County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Richardson County, NE
The radar
The Pleasant Hill radar (KEAX), 98 km from the middle of the area, began a volume at 09:03 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 4:10 AM CDT | Severe Thunderstorm Warning | EAX | Lafayette | 40 min |
| Apr 13, 9:15 AM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 35 min |
| Apr 13, 9:23 AM CDT | Severe Thunderstorm Warning | EAX | Atchison | 37 min |
| Apr 13, 9:38 AM CDT | Severe Thunderstorm Warning | EAX | Lafayette | 32 min |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 9.0 hours before the alert went out and 62 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
- 42 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1694 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Apr 13, 11:30 AM CDT | Severe Thunderstorm Watch | SPC | Audrain, Bates, Benton, Boone, Caldwell, Callaway and 33 more | 6 hr |
| Apr 13, 1:45 PM CDT | Tornado Watch | SPC | Bollinger, Butler, Camden, Cape Girardeau, Carter, Crawford and 24 more | 6 hr |
| Apr 13, 3:45 PM CDT | Tornado Watch | SPC | Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 17 more | 5 hr |
| Apr 13, 6:30 PM CDT | Tornado Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Iron and 12 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 1998Severe Thunderstorm Watches in Kansas, 1998Severe Thunderstorm Watches in Iowa, 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.