Alert archive / Kansas / Tornado Watches in 1999
Tornado Watch 132
The Storm Prediction Center issued this tornado watch at Apr 8, 1999, 11:45 AM CDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 1999, 11:45 AM CDT (16:45 UTC)
- Expired
- Apr 8, 1999, 5:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Fremont County, IA, Mills County, IA, Page County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Clay County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wilson County, KS, Woodson County, KS, Atchison County, MO, Holt County, MO, Butler County, NE, Cass County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, York County, NE
The radar
The Topeka radar (KTWX), 68 km from the middle of the area, began a volume at 16:46 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
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 11:51 AM CDT | Tornado Warning | GID | Polk | 39 min |
| Apr 8, 12:12 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Colfax | 63 min |
| Apr 8, 12:22 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster | 48 min |
| Apr 8, 12:32 PM CDT | Tornado Warning | OAX | Lancaster | 48 min |
| Apr 8, 12:42 PM CDT | Severe Thunderstorm Warning | TOP | Wabaunsee | 43 min |
| Apr 8, 12:42 PM CDT | Tornado Warning | OAX | Saunders | 33 min |
| Apr 8, 1:21 PM CDT | Tornado Warning | OAX | Saunders | 19 min |
| Apr 8, 1:45 PM CDT | Tornado Warning | TOP | Brown | 30 min |
| Apr 8, 1:52 PM CDT | Severe Thunderstorm Warning | EAX | Doniphan | 53 min |
| Apr 8, 1:58 PM CDT | Tornado Warning | OAX | Douglas, Sarpy | 32 min |
| Apr 8, 2:10 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Nodaway | 50 min |
| Apr 8, 2:12 PM CDT | Tornado Warning | OAX | Fremont, Montgomery, Page | 33 min |
| Apr 8, 2:40 PM CDT | Tornado Warning | OAX | Montgomery, Page | 30 min |
| Apr 8, 2:40 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Miami | 30 min |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 4.8 hours before the alert went out and 71 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
- 1142 J/kg
- Mixed-layer CIN
- -382 J/kg
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 446 m²/s²
- 0-3 km storm-relative helicity
- 629 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 8, 6:30 AM CDT | Severe Thunderstorm Watch | SPC | Fremont, Mills, Page | 6 hr |
| Apr 8, 1:00 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 33 more | 6 hr |
| Apr 8, 5:15 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Cedar, Clinton, Davis, Des Moines and 26 more | 4 hr |
| Apr 8, 5:15 PM CDT | Tornado Watch | SPC | Audrain, Benton, Boone, Callaway, Camden, Chariton and 24 more | 4 hr |
| Apr 8, 6:15 PM CDT | Tornado Watch | SPC | Barry, Carter, Christian, Crawford, Dallas, Dent and 19 more | 4 hr |
| Apr 8, 12:15 PM CDT | Tornado Watch | SPC | Antelope, Burt, Cedar, Colfax, Cuming, Dakota and 10 more | 5 hr |
Nearby
Tornado Watches in Kansas, 1999Tornado Watches in Nebraska, 1999Tornado Watches in Iowa, 1999Every tornado watch in 1999
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.