Alert archive / Kansas / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 166, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Aug 11, 2010, 6:15 PM CDT for Coffey County, Lyon County, Osage County, Kansas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 11, 2010, 6:15 PM CDT (23:15 UTC)
- Expired
- Aug 11, 2010, 7:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Coffey County, KS, Lyon County, KS, Osage County, KS
The radar
The Topeka radar (KTWX), 69 km from the middle of the area, began a volume at 23:18 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.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.3 hours before the alert went out and 65 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
- 2153 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 1609 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 6:44 PM CDT, 23 hours 31 minutes earlier.
Area forecast discussion, Aug 10, 6:44 PM CDT, 23 hours 31 minutes before
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</html>The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 7:45 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie | 30 min |
| Aug 10, 8:14 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie, Wabaunsee | 46 min |
| Aug 10, 8:33 PM CDT | Severe Thunderstorm Warning | TOP | Wabaunsee | 27 min |
| Aug 10, 8:59 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie, Shawnee, Wabaunsee | 28 min |
| Aug 11, 4:35 PM CDT | Severe Thunderstorm Warning | TOP | Osage | 25 min |
| Aug 11, 4:50 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Shawnee | 40 min |
| Aug 11, 4:55 PM CDT | Severe Thunderstorm Warning | TOP | Osage | 35 min |
| Aug 11, 5:09 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Morris, Wabaunsee | 36 min |
| Aug 11, 5:26 PM CDT | Severe Thunderstorm Warning | TOP | Douglas | 17 min |
| Aug 11, 5:29 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson, Shawnee | 31 min |
| Aug 11, 6:14 PM CDT | Severe Thunderstorm Warning | TOP | Riley, Wabaunsee | 31 min |
| Aug 11, 6:40 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie, Shawnee, Wabaunsee | 50 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2010Every severe thunderstorm warning in 2010
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.