Alert archive / Kansas / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 216, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Aug 12, 2019, 2:08 AM CDT for 5 counties in Kansas. It was in force for 37 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 12, 2019, 2:08 AM CDT (07:08 UTC)
- Expired
- Aug 12, 2019, 2:45 AM CDT
- In force
- 37 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clay County, KS, Marshall County, KS, Pottawatomie County, KS, Riley County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 74 km from the middle of the area, began a volume at 07:08 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 11, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 7.1 hours before the alert went out and 334 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
- 1820 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 2475 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.6
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 12:46 AM CDT | Special Weather Statement | TOP | Cloud, Republic | 29 min |
| Aug 12, 1:03 AM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic, Washington | 42 min |
| Aug 12, 1:32 AM CDT | Severe Thunderstorm Warning | TOP | Clay, Cloud, Marshall, Ottawa, Republic, Riley and 1 more | 43 min |
| Aug 12, 1:54 AM CDT | Special Weather Statement | TOP | Ottawa | 36 min |
| Aug 12, 2:37 AM CDT | Special Weather Statement | TOP | Nemaha, Pottawatomie | 23 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2019Every severe thunderstorm warning in 2019
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.