Alert archive / Nebraska / Flash Flood Warnings in 2010

Flash Flood Warning 7, NWS Hastings, NE

June 12, 2010Greeley County, Valley County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jun 12, 2010, 3:31 PM CDT for Greeley County, Valley County, Nebraska. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 12, 2010, 3:31 PM CDT (20:31 UTC)
Expired: Jun 12, 2010, 9:30 PM CDT
In force: 6 hr
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Flood severity: Moderate

Counties Greeley County, NE, Valley County, NE

The radar

The Grand Island radar (KUEX), 141 km from the middle of the area, began a volume at 20:31 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.5 hours before the alert went out and 162 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 534 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 293 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Jun 12, 12:53 PM CDT, 2 hours 38 minutes earlier.

Area forecast discussion, Jun 12, 12:53 PM CDT, 2 hours 38 minutes before

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Hazardous weather outlook, Jun 12, 5:21 AM CDT, 10 hours 10 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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 11, 7:25 PM CDT	Tornado Warning	GID	Dawson	39 min
Jun 11, 9:28 PM CDT	Special Weather Statement	GID	Nuckolls	47 min
Jun 11, 9:50 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson, Gosper, Phelps	55 min
Jun 11, 9:57 PM CDT	Tornado Warning	GID	Gosper	33 min
Jun 11, 10:09 PM CDT	Tornado Warning	GID	Phelps	36 min
Jun 11, 10:24 PM CDT	Tornado Warning	GID	Furnas, Gosper, Harlan, Phelps	36 min
Jun 11, 10:25 PM CDT	Flash Flood Warning	GID	Gosper	6 hr
Jun 11, 10:26 PM CDT	Tornado Warning	GID	Franklin, Harlan	34 min
Jun 11, 10:58 PM CDT	Special Weather Statement	GID	Phelps	32 min
Jun 11, 11:09 PM CDT	Areal Flood Advisory	GID	Harlan	4 hr
Jun 11, 11:10 PM CDT	Special Weather Statement	GID	Adams, Webster	50 min
Jun 11, 11:13 PM CDT	Severe Thunderstorm Warning	GID	Adams, Franklin, Kearney, Webster	47 min
Jun 11, 11:26 PM CDT	Areal Flood Advisory	GID	Adams, Buffalo, Kearney	4 hr
Jun 11, 11:45 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Nuckolls, Webster	45 min
Jun 11, 11:59 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hall, Hamilton	46 min
Jun 12, 12:04 AM CDT	Areal Flood Warning	GID	Adams, Kearney	6 hr
Jun 12, 12:28 AM CDT	Special Weather Statement	GID	Adams, Clay, Fillmore, Nuckolls, Thayer, Webster	62 min
Jun 12, 12:37 AM CDT	Special Weather Statement	GID	Hall, Hamilton, Merrick, Polk, York	53 min
Jun 12, 12:51 AM CDT	Special Weather Statement	GID	Dawson, Furnas, Gosper, Harlan, Phelps	39 min
Jun 12, 1:11 AM CDT	Special Weather Statement	GID	Greeley, Nance	34 min
Jun 12, 1:26 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Franklin, Harlan, Kearney, Phelps	34 min
Jun 12, 1:45 AM CDT	Severe Thunderstorm Warning	GID	Adams, Buffalo, Dawson, Franklin, Furnas, Gosper and 6 more	45 min
Jun 12, 1:55 AM CDT	Areal Flood Advisory	GID	Dawson	3 hr
Jun 12, 2:18 AM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hall, Hamilton, Merrick	27 min
Jun 12, 2:27 AM CDT	High Wind Warning	GID	Buffalo, Dawson, Hall, Howard, Sherman	3 hr
Jun 12, 2:43 AM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, Hamilton, Howard, Merrick, Nance and 2 more	47 min
Jun 12, 3:05 AM CDT	Areal Flood Warning	GID	Merrick, Nance, Polk	6 hr
Jun 12, 3:45 AM CDT	Areal Flood Warning	GID	Valley	6 hr
Jun 12, 4:40 AM CDT	Areal Flood Warning	GID	Franklin, Webster	6 hr
Jun 12, 4:48 AM CDT	Flood Watch	GID	Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 18 more	47 hr
Jun 12, 6:04 AM CDT	Areal Flood Warning	GID	Kearney	6 hr
Jun 12, 9:10 AM CDT	Areal Flood Warning	GID	Merrick, Nance	12 hr
Jun 12, 9:30 AM CDT	Areal Flood Warning	GID	Valley	24 hr
Jun 12, 10:33 AM CDT	Areal Flood Warning	GID	Franklin, Webster	10 hr
Jun 12, 11:39 AM CDT	River Flood Warning	GID	Howard	49 hr
Jun 12, 1:47 PM CDT	Areal Flood Warning	GID	Greeley	24 hr
Jun 12, 1:57 PM CDT	Areal Flood Advisory	GID	Adams	13 hr
Jun 12, 3:55 PM CDT	River Flood Warning	GID	Clay, Nuckolls	62 hr
Jun 11, 8:55 PM CDT	Severe Thunderstorm Warning	GID	Phillips	50 min
Jun 11, 9:39 PM CDT	Severe Thunderstorm Warning	GID	Phillips	51 min
Jun 11, 9:48 PM CDT	Areal Flood Advisory	GID	Phillips	4 hr
Jun 11, 10:05 PM CDT	Tornado Warning	GID	Phillips	25 min
Jun 11, 10:19 PM CDT	Flash Flood Warning	GID	Phillips	6 hr
Jun 11, 10:41 PM CDT	Special Weather Statement	GID	Smith	49 min
Jun 11, 11:00 PM CDT	Special Weather Statement	GID	Phillips	30 min
Jun 12, 4:18 AM CDT	Areal Flood Warning	GID	Phillips	6 hr
Jun 12, 10:02 AM CDT	Areal Flood Warning	GID	Phillips	24 hr

Nearby

Flash Flood Warnings in Nebraska, 2010 Every flash flood warning 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.