Alert archive / Kansas / Flash Flood Watches in 2015

Flash Flood Watch 3, NWS Wichita, KS

May 8, 20159 counties in Kansas

NWS Wichita, KS issued this flash flood watch at May 8, 2015, 10:34 PM CDT for 9 counties in Kansas. It took effect at May 9, 2015, 7:00 AM CDT. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued: May 8, 2015, 10:34 PM CDT (03:34 UTC)
In effect from: May 9, 2015, 7:00 AM CDT
Expired: May 10, 2015, 4:35 AM CDT
In force: 22 hr
Issued by: NWS Wichita, KS

Counties Chautauqua County, KS, Cowley County, KS, Elk County, KS, Harper County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS

The radar

The Wichita radar (KICT), 106 km from the middle of the area, began a volume at 03:34 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

Springfield, MO (KSGF), launched 00:00Z, 3.6 hours before the alert went out and 229 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: 556 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 777 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.6

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 Wichita, KS wrote its last area forecast discussion before this flash flood watch went out at May 8, 6:39 PM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, May 8, 6:39 PM CDT, 3 hours 55 minutes before

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Hazardous weather outlook, May 8, 4:31 PM CDT, 6 hours 3 minutes before

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In the hours before

Special weather statement, May 8, 7:58 PM CDT, 2 hours 36 minutes before

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Special weather statement, May 8, 8:14 PM CDT, 2 hours 20 minutes before

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Special weather statement, May 8, 8:41 PM CDT, 1 hour 53 minutes before

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Special weather statement, May 8, 8:43 PM CDT, 1 hour 51 minutes before

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Special weather statement, May 8, 9:14 PM CDT, 1 hour 20 minutes before

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Special weather statement, May 8, 9:38 PM CDT, 56 minutes before

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The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 8, 7:12 PM CDT	Special Weather Statement	ICT	Cowley	33 min
May 8, 7:16 PM CDT	Special Weather Statement	ICT	Butler	29 min
May 8, 7:42 PM CDT	Special Weather Statement	ICT	Butler, Cowley, Sedgwick	33 min
May 8, 7:58 PM CDT	Special Weather Statement	ICT	Chautauqua	32 min
May 8, 8:14 PM CDT	Special Weather Statement	ICT	Butler, Chautauqua, Cowley, Elk	31 min
May 8, 8:41 PM CDT	Special Weather Statement	ICT	Elk	34 min
May 8, 8:43 PM CDT	Special Weather Statement	ICT	Montgomery	32 min
May 8, 9:14 PM CDT	Special Weather Statement	ICT	Labette, Montgomery	31 min
May 8, 9:38 PM CDT	Special Weather Statement	ICT	Labette	37 min
May 9, 12:25 PM CDT	Special Weather Statement	ICT	Barton	50 min
May 9, 1:31 PM CDT	Special Weather Statement	ICT	Reno	29 min
May 9, 1:56 PM CDT	Special Weather Statement	ICT	Sedgwick	34 min
May 9, 1:58 PM CDT	Special Weather Statement	ICT	Ellsworth	32 min

Nearby

Flash Flood Watches in Kansas, 2015 Every flash flood watch in 2015

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.