Alert archive / Missouri / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 697
The Storm Prediction Center issued this severe thunderstorm watch at Jun 29, 1998, 12:30 AM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 29, 1998, 12:30 AM CDT (05:30 UTC)
- Expired
- Jun 29, 1998, 6:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 78 counties
Appanoose County, IA, Davis County, IA, Decatur County, IA, Fremont County, IA, Lee County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Van Buren County, IA, Wayne County, IA, Atchison County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Marshall County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clark County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 1:26 AM CDT | Flash Flood Warning | TOP | Marshall, Nemaha, Washington | 4 hr |
| Jun 29, 1:56 AM CDT | Severe Thunderstorm Warning | EAX | Carroll, Ray | 49 min |
| Jun 29, 3:21 AM CDT | Severe Thunderstorm Warning | EAX | Wyandotte | 24 min |
| Jun 29, 3:21 AM CDT | Severe Thunderstorm Warning | EAX | Wyandotte | 39 min |
| Jun 29, 3:37 AM CDT | Severe Thunderstorm Warning | EAX | Jackson | 38 min |
| Jun 29, 4:14 AM CDT | Severe Thunderstorm Warning | EAX | Johnson, Lafayette | 46 min |
| Jun 29, 4:58 AM CDT | Flash Flood Warning | EAX | Grundy | 2 hr |
| Jun 29, 5:37 AM CDT | Flash Flood Warning | EAX | Johnson | 3 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 5.5 hours before the alert went out and 68 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
- 7536 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 985 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 18.3
- Supercell composite
- 82.8
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 29, 11:15 AM CDT | Tornado Watch | SPC | Boone, Bremer, Buena Vista, Butler, Calhoun, Carroll and 35 more | 6 hr |
| Jun 29, 1:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 55 more | 4 hr |
| Jun 29, 3:15 PM CDT | Tornado Watch | SPC | Clinton, Jackson, Scott | 6 hr |
| Jun 29, 3:45 PM CDT | Tornado Watch | SPC | Fremont, Mills | 6 hr |
| Jun 29, 4:15 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 31 more | 6 hr |
| Jun 28, 7:00 PM CDT | Tornado Watch | SPC | Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 29 more | 6 hr |
| Jun 29, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Audrain, Marion, Monroe, Pike, Ralls | 6 hr |
| Jun 29, 6:00 PM CDT | Tornado Watch | SPC | Cape Girardeau, Mississippi, Perry, Saint Louis, Scott, City of Saint Louis | 6 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.