Alert archive / Missouri / Frost Advisories in 2014

Frost Advisory 1, NWS Kansas City, MO

May 15, 201430 counties in Missouri; 7 counties in Kansas

NWS Kansas City, MO issued this frost advisory at May 15, 2014, 3:39 PM CDT for 30 counties in Missouri; 7 counties in Kansas. It took effect at May 16, 2014, 3:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: May 15, 2014, 3:39 PM CDT (20:39 UTC)
In effect from: May 16, 2014, 3:00 AM CDT
Expired: May 16, 2014, 8:00 AM CDT
In force: 5 hr
Issued by: NWS Kansas City, MO

All 37 counties

Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 70 km from the middle of the area, began a volume at 20:39 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 12:00Z, 8.7 hours before the alert went out and 131 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1594 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -133 m²/s²
0-3 km storm-relative helicity: -13 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 frost 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 frost advisory went out at May 15, 12:21 PM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, May 15, 12:21 PM CDT, 3 hours 18 minutes before

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Hazardous weather outlook, May 15, 1:02 PM CDT, 2 hours 37 minutes before

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Nearby

Frost Advisories in Missouri, 2014 Frost Advisories in Kansas, 2014 Every frost advisory in 2014

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.