Alert archive / Nebraska / Flash Flood Watches in 2014

Flash Flood Watch 2, NWS Omaha, NE

June 3, 201420 counties in Nebraska; 8 counties in Iowa

NWS Omaha, NE issued this flash flood watch at Jun 3, 2014, 3:51 AM CDT for 20 counties in Nebraska; 8 counties in Iowa. It took effect at Jun 3, 2014, 7:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 3, 2014, 3:51 AM CDT (08:51 UTC)
In effect from: Jun 3, 2014, 7:00 PM CDT
Expired: Jun 4, 2014, 2:53 AM CDT
In force: 8 hr
Issued by: NWS Omaha, NE
Flood severity: None

All 28 counties

Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Lancaster County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 25 km from the middle of the area, began a volume at 08:52 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 00:00Z, 8.9 hours before the alert went out and 25 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: 126 J/kg
Mixed-layer CIN: -172 J/kg
Mixed-layer LCL: 2070 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 2, 11:03 PM CDT, 4 hours 48 minutes earlier.

Area forecast discussion, Jun 2, 11:03 PM CDT, 4 hours 48 minutes before

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Hazardous weather outlook, Jun 2, 4:54 PM CDT, 10 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 3, 1:39 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox, Pierce	36 min
Jun 3, 2:09 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Cedar, Knox, Madison, Pierce, Wayne	36 min
Jun 3, 2:33 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Madison, Pierce, Stanton, Wayne	27 min
Jun 3, 2:56 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Cuming, Dodge, Madison, Stanton, Thurston and 1 more	34 min
Jun 3, 3:01 PM CDT	Severe Thunderstorm Warning	OAX	Knox	29 min
Jun 3, 3:24 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Colfax, Cuming, Dodge, Thurston, Washington	36 min
Jun 3, 3:26 PM CDT	Special Weather Statement	OAX	Knox	34 min
Jun 3, 3:48 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge, Douglas, Washington	42 min
Jun 3, 3:55 PM CDT	Areal Flood Advisory	OAX	Knox	3 hr
Jun 3, 4:18 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Washington	27 min
Jun 3, 4:41 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Washington	49 min
Jun 3, 4:49 PM CDT	Severe Thunderstorm Warning	OAX	Dodge, Saunders	26 min
Jun 3, 4:59 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison	31 min
Jun 3, 5:16 PM CDT	Severe Thunderstorm Warning	OAX	Boone	29 min
Jun 3, 5:18 PM CDT	Severe Thunderstorm Warning	OAX	Dodge, Douglas, Saunders, Washington	27 min
Jun 3, 5:27 PM CDT	Areal Flood Advisory	OAX	Dodge, Saunders	3 hr
Jun 3, 5:36 PM CDT	Flash Flood Warning	OAX	Douglas, Washington	5 hr
Jun 3, 5:43 PM CDT	Severe Thunderstorm Warning	OAX	Dodge, Douglas, Washington	32 min
Jun 3, 5:44 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Platte	31 min
Jun 3, 6:13 PM CDT	Flash Flood Warning	OAX	Douglas, Sarpy	6 hr
Jun 3, 6:13 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Platte	32 min
Jun 3, 6:15 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy, Washington	30 min
Jun 3, 6:23 PM CDT	Flash Flood Warning	OAX	Dodge, Washington	3 hr
Jun 3, 6:28 PM CDT	Severe Thunderstorm Warning	OAX	Antelope	32 min
Jun 3, 6:35 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Platte, Saunders	40 min
Jun 3, 6:44 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy	31 min
Jun 3, 6:48 PM CDT	Areal Flood Advisory	OAX	Madison	3 hr
Jun 3, 6:53 PM CDT	Flash Flood Warning	OAX	Platte	6 hr
Jun 3, 6:55 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison, Pierce	35 min
Jun 3, 2:49 PM CDT	Special Weather Statement	OAX	Fremont	41 min
Jun 3, 3:17 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	28 min
Jun 3, 3:42 PM CDT	Severe Thunderstorm Warning	OAX	Page	33 min
Jun 3, 4:11 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	34 min
Jun 3, 4:15 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Monona, Shelby	30 min
Jun 3, 4:58 PM CDT	Tornado Warning	OAX	Pottawattamie	32 min
Jun 3, 5:03 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	42 min
Jun 3, 5:18 PM CDT	Areal Flood Advisory	OAX	Pottawattamie	5 hr
Jun 3, 5:25 PM CDT	Flash Flood Warning	OAX	Pottawattamie	6 hr
Jun 3, 5:25 PM CDT	Tornado Warning	OAX	Montgomery, Pottawattamie	35 min
Jun 3, 5:30 PM CDT	Special Weather Statement	OAX	Cass	30 min
Jun 3, 5:36 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	39 min
Jun 3, 5:39 PM CDT	Areal Flood Advisory	OAX	Pottawattamie, Shelby	6 hr
Jun 3, 6:28 PM CDT	Special Weather Statement	OAX	Page	47 min
Jun 3, 6:40 PM CDT	Special Weather Statement	OAX	Pottawattamie	35 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.