Alert archive / Missouri / Flash Flood Watches in 2019

Flash Flood Watch 6, NWS Kansas City, MO

May 26, 201923 counties in Missouri; Atchison County, Doniphan County, Kansas

NWS Kansas City, MO issued this flash flood watch at May 26, 2019, 2:17 PM CDT for 23 counties in Missouri; Atchison County, Doniphan County, Kansas. It took effect at May 26, 2019, 10:00 PM CDT. It was in force for 53 hr.

The area

The counties it named.

The facts

Issued: May 26, 2019, 2:17 PM CDT (19:17 UTC)
In effect from: May 26, 2019, 10:00 PM CDT
Expired: May 29, 2019, 3:19 AM CDT
In force: 53 hr
Issued by: NWS Kansas City, MO
Flood severity: None

All 25 counties

Atchison County, KS, Doniphan County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Chariton County, MO, Clinton 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, Randolph County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 137 km from the middle of the area, began a volume at 19:18 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, 7.3 hours before the alert went out and 185 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: 24 J/kg
Mixed-layer CIN: -343 J/kg
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 49 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 flash flood watch 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 flash flood watch went out at May 26, 12:33 PM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, May 26, 12:33 PM CDT, 1 hour 44 minutes before

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Hazardous weather outlook, May 26, 4:57 AM CDT, 9 hours 20 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
May 25, 7:26 PM CDT	Special Weather Statement	EAX	Grundy	49 min
May 25, 7:42 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Grundy, Putnam, Sullivan	33 min
May 25, 7:48 PM CDT	Areal Flood Warning	EAX	Daviess, Grundy, Harrison, Mercer	13 hr
May 25, 8:03 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Macon, Putnam, Schuyler	57 min
May 25, 8:51 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Macon	24 min
May 25, 8:59 PM CDT	Areal Flood Warning	EAX	Adair, Linn, Macon, Putnam, Schuyler, Sullivan	12 hr
May 25, 11:00 PM CDT	River Flood Warning	EAX	Grundy, Livingston	32 hr
May 25, 11:07 PM CDT	Special Weather Statement	EAX	Platte	38 min
May 25, 11:18 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	27 min
May 25, 11:34 PM CDT	Special Weather Statement	EAX	Andrew, DeKalb	41 min
May 25, 11:46 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clay, Clinton, Platte	29 min
May 25, 11:48 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, DeKalb, Gentry, Holt, Nodaway	42 min
May 26, 12:03 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clay, Clinton, Ray	27 min
May 26, 12:14 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clay, Clinton, Daviess, DeKalb, Ray	31 min
May 26, 12:30 AM CDT	Flash Flood Warning	EAX	Grundy, Mercer, Putnam, Sullivan	3 hr
May 26, 1:17 AM CDT	Flash Flood Warning	EAX	Adair, Macon, Putnam, Schuyler, Sullivan	3 hr
May 26, 1:46 AM CDT	River Flood Warning	EAX	Adair, Macon, Putnam, Schuyler	34 hr
May 26, 1:46 AM CDT	River Flood Warning	EAX	Daviess, Livingston	7 days
May 26, 4:37 AM CDT	River Flood Warning	EAX	Daviess, Gentry	6 days

Nearby

Flash Flood Watches in Missouri, 2019 Flash Flood Watches in Kansas, 2019 Every flash flood watch 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.