Alert archive / Kansas / Severe Thunderstorm Watches in 2009
Severe Thunderstorm Watch 45
The Storm Prediction Center issued this severe thunderstorm watch at Mar 7, 2009, 2:32 PM CST for 34 counties in Kansas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 7, 2009, 2:32 PM CST (20:32 UTC)
- Expired
- Mar 7, 2009, 10:00 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 34 counties
Anderson County, KS, Barber County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Dickinson County, KS, Douglas County, KS, Edwards County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Kingman County, KS, Kiowa County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Morris County, KS, Osage County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Shawnee County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Woodson County, KS
The radar
The Wichita radar (KICT), 54 km from the middle of the area, began a volume at 20:31 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 3:57 PM CST | Severe Thunderstorm Warning | ICT | Reno, Rice | 63 min |
| Mar 7, 4:16 PM CST | Tornado Warning | ICT | Reno | 44 min |
| Mar 7, 4:23 PM CST | Severe Thunderstorm Warning | ICT | McPherson, Rice | 52 min |
| Mar 7, 4:49 PM CST | Tornado Warning | ICT | Harvey, McPherson | 41 min |
| Mar 7, 5:22 PM CST | Tornado Warning | ICT | Marion | 38 min |
| Mar 7, 5:48 PM CST | Severe Thunderstorm Warning | ICT | Kingman | 42 min |
| Mar 7, 5:56 PM CST | Severe Thunderstorm Warning | ICT | Chase, Marion | 34 min |
| Mar 7, 6:07 PM CST | Severe Thunderstorm Warning | DDC | Barber | 23 min |
| Mar 7, 6:08 PM CST | Severe Thunderstorm Warning | TOP | Morris | 52 min |
| Mar 7, 6:14 PM CST | Severe Thunderstorm Warning | ICT | Harvey, Reno, Sedgwick | 25 min |
| Mar 7, 6:22 PM CST | Tornado Warning | DDC | Barber | 11 min |
| Mar 7, 6:23 PM CST | Tornado Warning | ICT | Kingman | 37 min |
| Mar 7, 6:27 PM CST | Severe Thunderstorm Warning | ICT | Chase | 33 min |
| Mar 7, 6:41 PM CST | Severe Thunderstorm Warning | TOP | Lyon, Morris | 49 min |
| Mar 7, 6:57 PM CST | Severe Thunderstorm Warning | TOP | Lyon, Wabaunsee | 48 min |
| Mar 7, 7:12 PM CST | Tornado Warning | ICT | Harper, Kingman | 33 min |
| Mar 7, 7:18 PM CST | Severe Thunderstorm Warning | ICT | Harvey, Sedgwick | 27 min |
| Mar 7, 7:30 PM CST | Severe Thunderstorm Warning | TOP | Lyon, Osage | 60 min |
| Mar 7, 7:40 PM CST | Severe Thunderstorm Warning | TOP | Jackson | 23 min |
| Mar 7, 7:42 PM CST | Tornado Warning | ICT | Kingman, Sedgwick, Sumner | 33 min |
| Mar 7, 7:53 PM CST | Severe Thunderstorm Warning | ICT | Butler, Harvey, Marion, Sedgwick | 37 min |
| Mar 7, 8:15 PM CST | Severe Thunderstorm Warning | ICT | Harvey, Sedgwick | 22 min |
| Mar 7, 8:20 PM CST | Severe Thunderstorm Warning | ICT | Butler, Chase, Greenwood | 40 min |
| Mar 7, 8:20 PM CST | Severe Thunderstorm Warning | TOP | Douglas, Franklin, Osage | 55 min |
| Mar 7, 8:42 PM CST | Severe Thunderstorm Warning | TOP | Lyon | 33 min |
| Mar 7, 8:57 PM CST | Severe Thunderstorm Warning | ICT | Chase, Greenwood | 17 min |
| Mar 7, 9:15 PM CST | Severe Thunderstorm Warning | TOP | Osage | 45 min |
| Mar 7, 9:38 PM CST | Flash Flood Warning | TOP | Lyon, Osage | 112 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 8.5 hours before the alert went out and 168 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
- 33 J/kg
- Mixed-layer CIN
- -490 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 290 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 9:17 PM CST | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Cloud, Doniphan, Geary and 14 more | 118 min |
| Mar 7, 12:44 AM CST | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Dickinson, Doniphan, Douglas and 13 more | 2 hr |
| Mar 7, 1:51 PM CST | Mesoscale Discussion | SPC | Barber, Chase, Comanche, Dickinson, Douglas, Geary and 14 more | 2 hr |
| Mar 7, 5:57 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Butler, Chase, Coffey and 21 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2009Every severe thunderstorm watch in 2009
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.