Alert archive / Missouri / Wind Chill Advisories in 2019

Wind Chill Advisory 4, NWS Kansas City, MO

February 7, 201918 counties in Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this wind chill advisory at Feb 7, 2019, 2:15 PM CST for 18 counties in Missouri; Doniphan County, Kansas. It took effect at Feb 7, 2019, 9:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Feb 7, 2019, 2:15 PM CST (20:15 UTC)
In effect from: Feb 7, 2019, 9:00 PM CST
Expired: Feb 8, 2019, 9:00 AM CST
In force: 12 hr
Issued by: NWS Kansas City, MO

Counties Doniphan County, KS, Adair County, MO, Andrew County, MO, Atchison 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), 152 km from the middle of the area, began a volume at 20:15 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

Davenport, (KDVN), launched 12:00Z, 8.3 hours before the alert went out and 330 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: 5 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 398 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 391 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 wind chill 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 wind chill advisory went out at Feb 7, 11:13 AM CST, 3 hours 2 minutes earlier.

Area forecast discussion, Feb 7, 11:13 AM CST, 3 hours 2 minutes before

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Hazardous weather outlook, Feb 7, 4:45 AM CST, 9 hours 30 minutes before

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In the hours before

Local storm report, Feb 7, 12:11 PM CST, 2 hours 4 minutes before

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Local storm report, Feb 7, 12:27 PM CST, 1 hour 48 minutes before

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Local storm report, Feb 7, 12:28 PM CST, 1 hour 47 minutes before

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Local storm report, Feb 7, 12:29 PM CST, 1 hour 46 minutes before

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Local storm report, Feb 7, 12:33 PM CST, 1 hour 42 minutes before

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Local storm report, Feb 7, 12:50 PM CST, 1 hour 25 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 6, 8:36 PM CST	Special Weather Statement	EAX	Henry	24 min
Feb 6, 9:11 PM CST	Special Weather Statement	EAX	Henry	34 min
Feb 6, 9:20 PM CST	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	25 min
Feb 6, 9:44 PM CST	Special Weather Statement	EAX	Johnson	31 min

Nearby

Wind Chill Advisories in Missouri, 2019 Wind Chill Advisories in Kansas, 2019 Every wind chill advisory 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.