Alert archive / Missouri / Heat Advisories in 2017

Heat Advisory 8, NWS Springfield, MO

August 19, 201713 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this heat advisory at Aug 19, 2017, 1:44 PM CDT for 13 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Aug 19, 2017, 1:44 PM CDT (18:44 UTC)
Expired: Aug 19, 2017, 7:00 PM CDT
In force: 5 hr
Issued by: NWS Springfield, MO

Counties Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Greene County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, Stone County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 59 km from the middle of the area, began a volume at 18:44 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 12:00Z, 6.7 hours before the alert went out and 47 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2292 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1029 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

Open this sounding in Storm Lab

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 Springfield, MO wrote its last area forecast discussion before this heat advisory went out at Aug 19, 11:55 AM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Aug 19, 11:55 AM CDT, 1 hour 49 minutes before

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Hazardous weather outlook, Aug 19, 12:23 PM CDT, 1 hour 21 minutes before

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In the hours before

Local storm report, Aug 19, 10:54 AM CDT, 2 hours 50 minutes before

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Local storm report, Aug 19, 11:31 AM CDT, 2 hours 13 minutes before

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The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 18, 7:03 PM CDT	Areal Flood Advisory	SGF	Newton	6 hr
Aug 18, 9:19 PM CDT	Severe Thunderstorm Warning	SGF	Camden	41 min
Aug 18, 9:57 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Pulaski	48 min
Aug 18, 10:28 PM CDT	Special Weather Statement	SGF	Morgan	62 min
Aug 18, 10:50 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Morgan	40 min
Aug 18, 11:21 PM CDT	Special Weather Statement	SGF	Miller	54 min
Aug 18, 11:23 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	67 min
Aug 19, 12:19 AM CDT	Special Weather Statement	SGF	Phelps, Pulaski	56 min
Aug 19, 12:55 AM CDT	Severe Thunderstorm Warning	SGF	Phelps, Pulaski	31 min
Aug 19, 6:59 PM CDT	Flash Flood Warning	SGF	Barton	6 hr

Nearby

Heat Advisories in Missouri, 2017 Heat Advisories in Kansas, 2017 Every heat advisory in 2017

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.