Alert archive / Nebraska / Flash Flood Watches in 2015

Flash Flood Watch 1, NWS Hastings, NE

June 3, 201514 counties in Nebraska; 5 counties in Kansas

NWS Hastings, NE issued this flash flood watch at Jun 3, 2015, 3:52 PM CDT for 14 counties in Nebraska; 5 counties in Kansas. It took effect at Jun 3, 2015, 7:00 PM CDT. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued: Jun 3, 2015, 3:52 PM CDT (20:52 UTC)
In effect from: Jun 3, 2015, 7:00 PM CDT
Expired: Jun 5, 2015, 5:34 AM CDT
In force: 35 hr
Issued by: NWS Hastings, NE
Flood severity: None

Counties Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Smith County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Kearney County, NE, Nuckolls County, NE, Phelps County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 8 km from the middle of the area, began a volume at 20:50 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, 8.9 hours before the alert went out and 283 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: 415 J/kg
Mixed-layer CIN: -232 J/kg
Mixed-layer LCL: 876 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

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 Hastings, NE wrote its last area forecast discussion before this flash flood watch went out at Jun 3, 1:36 PM CDT, 2 hours 16 minutes earlier.

Area forecast discussion, Jun 3, 1:36 PM CDT, 2 hours 16 minutes before

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Hazardous weather outlook, Jun 3, 9:24 AM CDT, 6 hours 28 minutes before

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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 8:49 PM CDT	Areal Flood Advisory	GID	Dawson	4 days
Jun 3, 12:07 AM CDT	Special Weather Statement	GID	Dawson, Sherman, Valley	38 min
Jun 3, 12:39 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson, Sherman, Valley	51 min
Jun 3, 1:20 AM CDT	Special Weather Statement	GID	Hall, Hamilton, Howard, Merrick	55 min
Jun 3, 2:07 AM CDT	Special Weather Statement	GID	Clay, Hall, Hamilton, Merrick, Nance, Polk and 1 more	38 min
Jun 3, 2:44 AM CDT	Special Weather Statement	GID	Clay, Fillmore, Polk, York	31 min
Jun 3, 4:44 AM CDT	Special Weather Statement	GID	Buffalo	31 min
Jun 3, 5:22 AM CDT	Special Weather Statement	GID	Adams	23 min

Nearby

Flash Flood Watches in Nebraska, 2015 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.