Alert archive / Missouri / Heat Advisories in 2017

Heat Advisory 5, NWS Springfield, MO

July 13, 201720 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this heat advisory at Jul 13, 2017, 2:28 AM CDT for 20 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Jul 13, 2017, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jul 13, 2017, 2:28 AM CDT (07:28 UTC)
In effect from: Jul 13, 2017, 12:00 PM CDT
Expired: Jul 13, 2017, 7:00 PM CDT
In force: 7 hr
Issued by: NWS Springfield, MO

All 23 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 50 km from the middle of the area, began a volume at 07:30 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 (KFOE), launched 00:00Z, 7.5 hours before the alert went out and 233 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: 1338 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 2367 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 12, 11:47 PM CDT, 2 hours 41 minutes earlier.

Area forecast discussion, Jul 12, 11:47 PM CDT, 2 hours 41 minutes before

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Hazardous weather outlook, Jul 12, 7:05 PM CDT, 7 hours 23 minutes before

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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.