Alert archive / Kansas / Heat Advisories in 2011
Heat Advisory 7, NWS Topeka, KS
NWS Topeka, KS issued this heat advisory at Aug 23, 2011, 3:41 AM CDT for 10 counties in Kansas. It took effect at Aug 23, 2011, 1:00 PM CDT. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Aug 23, 2011, 3:41 AM CDT (08:41 UTC)
- In effect from
- Aug 23, 2011, 1:00 PM CDT
- Expired
- Aug 24, 2011, 2:30 PM CDT
- In force
- 26 hr
- Issued by
- NWS Topeka, KS
Counties Anderson County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Jefferson County, KS, Lyon County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 54 km from the middle of the area, began a volume at 08:45 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
Springfield, MO (KSGF), launched 00:00Z, 8.7 hours before the alert went out and 263 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
- 1980 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1449 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Aug 23, 3:41 AM CDT, 0 minutes earlier.
Area forecast discussion, Aug 23, 3:41 AM CDT, 0 minutes before
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</html>Hazardous weather outlook, Aug 22, 2:56 PM CDT, 12 hours 45 minutes before
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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.