Alert archive / Missouri / Heat Advisories in 2011
Heat Advisory 5, NWS Kansas City, MO
NWS Kansas City, MO issued this heat advisory at Jul 25, 2011, 3:35 PM CDT for 21 counties in Missouri; Atchison County, Doniphan County, Kansas. It took effect at Jul 26, 2011, 12:11 PM CDT. It was in force for 55 hr.
The area
The counties it named.
The facts
- Issued
- Jul 25, 2011, 3:35 PM CDT (20:35 UTC)
- In effect from
- Jul 26, 2011, 12:11 PM CDT
- Expired
- Jul 28, 2011, 7:00 PM CDT
- In force
- 55 hr
- Issued by
- NWS Kansas City, MO
All 23 counties
Atchison County, KS, Doniphan County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 140 km from the middle of the area, began a volume at 20:35 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, 8.6 hours before the alert went out and 181 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
- 161 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Kansas City, MO wrote its last area forecast discussion before this heat advisory went out at Jul 24, 3:35 PM CDT, 24 hours earlier.
Area forecast discussion, Jul 24, 3:35 PM CDT, 24 hours before
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</html>The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 4:32 PM CDT | Special Weather Statement | EAX | Linn | 28 min |
Nearby
Heat Advisories in Missouri, 2011Heat Advisories in Kansas, 2011Every heat advisory in 2011
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.