Alert archive / Nebraska / Flash Flood Watches in 2014

Flash Flood Watch 3, NWS Omaha, NE

June 14, 201410 counties in Nebraska; Monona County, Iowa

NWS Omaha, NE issued this flash flood watch at Jun 14, 2014, 3:00 PM CDT for 10 counties in Nebraska; Monona County, Iowa. It took effect at Jun 14, 2014, 7:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jun 14, 2014, 3:00 PM CDT (20:00 UTC)
In effect from: Jun 14, 2014, 7:00 PM CDT
Expired: Jun 15, 2014, 3:37 AM CDT
In force: 9 hr
Issued by: NWS Omaha, NE
Flood severity: None

Counties Monona County, IA, Burt County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Stanton County, NE, Thurston County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 92 km from the middle of the area, began a volume at 20:03 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, 8.0 hours before the alert went out and 92 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: 1288 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 215 m²/s²
0-3 km storm-relative helicity: 257 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 Omaha, NE wrote its last area forecast discussion before this flash flood watch went out at Jun 14, 3:00 PM CDT, 0 minutes earlier.

Area forecast discussion, Jun 14, 3:00 PM CDT, 0 minutes before

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Hazardous weather outlook, Jun 14, 12:03 PM CDT, 2 hours 57 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 4:00 AM CDT	Wind Advisory	OAX	Cass, Douglas, Gage, Jefferson, Johnson, Lancaster and 8 more	13 hr
Jun 14, 5:52 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Cedar, Knox, Pierce	38 min
Jun 14, 6:04 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Pierce	41 min
Jun 14, 6:25 PM CDT	Special Weather Statement	OAX	Boone	35 min
Jun 14, 6:30 PM CDT	Severe Thunderstorm Warning	OAX	Boone	30 min
Jun 14, 6:31 PM CDT	Tornado Warning	OAX	Pierce, Wayne	29 min
Jun 14, 6:43 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Madison, Platte	32 min
Jun 14, 6:46 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Pierce, Wayne	29 min
Jun 14, 6:58 PM CDT	Tornado Warning	OAX	Cedar, Wayne	32 min

Nearby

Flash Flood Watches in Nebraska, 2014 Flash Flood Watches in Iowa, 2014 Every flash flood watch 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.