Alert archive / Nebraska / Areal Flood Warnings in 2012

Areal Flood Warning 4, NWS Hastings, NE

June 15, 2012Clay County, Nuckolls County, Nebraska

NWS Hastings, NE issued this areal flood warning at Jun 15, 2012, 1:36 PM CDT for Clay County, Nuckolls County, Nebraska. It was in force for 7 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 15, 2012, 1:36 PM CDT (18:36 UTC)
Expired: Jun 15, 2012, 8:30 PM CDT
In force: 7 hr
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Flood severity: None

Counties Clay County, NE, Nuckolls County, NE

The radar

The Grand Island radar (KUEX), 33 km from the middle of the area, began a volume at 18:38 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, 6.6 hours before the alert went out and 178 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: 107 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 833 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 209 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 areal 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 areal flood warning went out at Jun 15, 12:46 PM CDT, 50 minutes earlier.

Area forecast discussion, Jun 15, 12:46 PM CDT, 50 minutes before

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Hazardous weather outlook, Jun 15, 9:35 AM CDT, 4 hours 1 minute before

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In the hours before

Local storm report, Jun 15, 8:11 AM CDT, 5 hours 25 minutes before

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Local storm report, Jun 15, 8:52 AM CDT, 4 hours 44 minutes before

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Local storm report, Jun 15, 9:29 AM CDT, 4 hours 7 minutes before

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Local storm report, Jun 15, 9:39 AM CDT, 3 hours 57 minutes before

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Local storm report, Jun 15, 9:41 AM CDT, 3 hours 55 minutes before

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Local storm report, Jun 15, 10:36 AM CDT, 3 hours 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 14, 7:06 PM CDT	Areal Flood Advisory	GID	Furnas	12 hr
Jun 14, 7:10 PM CDT	Severe Thunderstorm Warning	GID	Fillmore, Nuckolls, Thayer, Webster, York	50 min
Jun 14, 7:16 PM CDT	Special Weather Statement	GID	Merrick	44 min
Jun 14, 7:29 PM CDT	Severe Thunderstorm Warning	GID	Adams, Franklin, Kearney, Webster	30 min
Jun 14, 7:54 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Thayer	51 min
Jun 14, 8:07 PM CDT	Flash Flood Warning	GID	Adams, Clay, Nuckolls, Webster	6 hr
Jun 14, 8:13 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	15 min
Jun 15, 1:45 AM CDT	Areal Flood Warning	GID	Adams, Clay, Nuckolls, Webster	12 hr
Jun 15, 1:46 AM CDT	River Flood Warning	GID	Clay, Nuckolls	14 hr
Jun 14, 7:27 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Rooks	35 min
Jun 14, 8:43 PM CDT	Severe Thunderstorm Warning	GID	Jewell, Mitchell, Osborne	47 min

Nearby

Areal Flood Warnings in Nebraska, 2012 Every areal flood warning in 2012

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.