Alert archive / Missouri / Areal Flood Warnings in 2018

Areal Flood Warning 13, NWS Kansas City, MO

October 9, 20189 counties in Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this areal flood warning at Oct 9, 2018, 11:29 AM CDT for 9 counties in Missouri; Doniphan County, Kansas. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 9, 2018, 11:29 AM CDT (16:29 UTC)
Expired: Oct 10, 2018, 11:30 AM CDT
In force: 24 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Doniphan County, KS, Andrew County, MO, Atchison County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Nodaway County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 154 km from the middle of the area, began a volume at 16:29 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

Omaha, NE (KOAX), launched 12:00Z, 4.5 hours before the alert went out and 193 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: 592 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 28 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 areal flood warning 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 areal flood warning went out at Oct 9, 6:44 AM CDT, 4 hours 45 minutes earlier.

Area forecast discussion, Oct 9, 6:44 AM CDT, 4 hours 45 minutes before

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Hazardous weather outlook, Oct 9, 5:35 AM CDT, 5 hours 54 minutes before

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In the hours before

Local storm report, Oct 9, 10:11 AM CDT, 1 hour 18 minutes before

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Local storm report, Oct 9, 10:16 AM CDT, 1 hour 13 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
Oct 8, 9:59 PM CDT	River Flood Warning	EAX	Andrew, Holt, Nodaway	65 hr
Oct 9, 2:54 PM CDT	Tornado Warning	EAX	Caldwell, Ray	36 min
Oct 9, 3:35 PM CDT	Areal Flood Warning	EAX	Caldwell, Clinton, Daviess, DeKalb, Grundy, Harrison and 7 more	12 hr
Oct 9, 3:50 PM CDT	Areal Flood Warning	EAX	Andrew, Bates, Buchanan, Cass, Clay, Clinton and 3 more	12 hr
Oct 9, 4:29 PM CDT	Tornado Warning	EAX	Mercer	31 min
Oct 8, 9:37 PM CDT	River Flood Warning	EAX	Atchison	55 hr
Oct 8, 9:37 PM CDT	River Flood Warning	EAX	Leavenworth	64 hr

Nearby

Areal Flood Warnings in Missouri, 2018 Areal Flood Warnings in Kansas, 2018 Every areal flood warning in 2018

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.