Alert archive / Nebraska / Flood Watches in 2010

Flood Watch 2, NWS North Platte, NE

June 10, 201010 counties in Nebraska

NWS North Platte, NE issued this flood watch at Jun 10, 2010, 3:25 PM CDT for 10 counties in Nebraska. It took effect at Jun 10, 2010, 7:00 PM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Jun 10, 2010, 3:25 PM CDT (20:25 UTC)
In effect from: Jun 10, 2010, 7:00 PM CDT
Expired: Jun 14, 2010, 3:24 PM CDT
In force: 4 days
Issued by: NWS North Platte, NE
Flood severity: None

Counties Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Garfield County, NE, Holt County, NE, Keya Paha County, NE, Loup County, NE, Rock County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 100 km from the middle of the area, began a volume at 20:27 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, 8.4 hours before the alert went out and 280 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: 443 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 855 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS North Platte, NE wrote its last area forecast discussion before this flood watch went out at Jun 10, 3:33 AM CDT, 11 hours 52 minutes earlier.

Area forecast discussion, Jun 10, 3:33 AM CDT, 11 hours 52 minutes before

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Hazardous weather outlook, Jun 10, 8:13 AM CDT, 7 hours 12 minutes before

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In the hours before

Local storm report, Jun 10, 10:20 AM CDT, 5 hours 5 minutes before

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Local storm report, Jun 10, 12:11 PM CDT, 3 hours 14 minutes before

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Local storm report, Jun 10, 1:50 PM CDT, 1 hour 35 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 9:12 PM CDT	River Flood Warning	LBF	Garden, Keith	4 days
Jun 10, 1:20 AM CDT	Severe Thunderstorm Warning	LBF	Sheridan	40 min
Jun 10, 1:57 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	48 min
Jun 10, 2:37 AM CDT	Severe Thunderstorm Warning	LBF	Hooker, McPherson, Thomas	38 min
Jun 10, 3:00 AM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer	45 min
Jun 10, 3:04 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	41 min
Jun 10, 3:24 AM CDT	Tornado Warning	LBF	Cherry	36 min
Jun 10, 3:42 AM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown, Loup	48 min
Jun 10, 3:45 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Hooker, McPherson, Thomas	45 min
Jun 10, 3:55 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	50 min
Jun 10, 4:10 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	50 min
Jun 10, 4:28 AM CDT	Severe Thunderstorm Warning	LBF	Holt, Loup, Rock	47 min
Jun 10, 4:29 AM CDT	Severe Thunderstorm Warning	LBF	Blaine, Cherry, Hooker, Logan, McPherson, Thomas	46 min
Jun 10, 4:45 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Rock	45 min
Jun 10, 4:58 AM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown, Cherry, Loup, Rock	47 min
Jun 10, 5:10 AM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	50 min
Jun 10, 5:47 AM CDT	Severe Thunderstorm Warning	LBF	Custer, Garfield, Holt, Loup, Rock	43 min
Jun 10, 6:27 AM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt, Wheeler	48 min
Jun 10, 8:36 AM CDT	Areal Flood Advisory	LBF	Blaine, Brown, Cherry, Holt, Loup, Rock and 1 more	6 hr

Nearby

Flood Watches in Nebraska, 2010 Every flood watch in 2010

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.