Alert archive / Nebraska / Areal Flood Warnings in 2019

Areal Flood Warning 13, NWS North Platte, NE

May 24, 2019Brown County, Nebraska

NWS North Platte, NE issued this areal flood warning at May 24, 2019, 10:30 AM CDT for Brown County, Nebraska. It was in force for 54 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: May 24, 2019, 10:30 AM CDT (15:30 UTC)
Expired: May 26, 2019, 4:30 PM CDT
In force: 54 hr
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Flood severity: None

County Brown County, NE

The radar

The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 15:32 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

Aberdeen, SD (KABR), launched 12:00Z, 3.5 hours before the alert went out and 301 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: 454 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 263 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 areal flood warning 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 areal flood warning went out at May 24, 6:12 AM CDT, 4 hours 18 minutes earlier.

Area forecast discussion, May 24, 6:12 AM CDT, 4 hours 18 minutes before

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Hazardous weather outlook, May 24, 10:24 AM CDT, 6 minutes before

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In the hours before

Special weather statement, May 24, 4:44 AM CDT, 5 hours 46 minutes before

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Special weather statement, May 24, 5:19 AM CDT, 5 hours 11 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
May 23, 7:25 PM CDT	Special Weather Statement	LBF	Valley	20 min
May 23, 8:08 PM CDT	Areal Flood Warning	LBF	Brown, Keya Paha	6 hr
May 23, 8:42 PM CDT	Special Weather Statement	LBF	Hayes	33 min
May 23, 8:44 PM CDT	Special Weather Statement	LBF	Sherman	16 min
May 23, 9:07 PM CDT	Special Weather Statement	LBF	Lincoln	23 min
May 23, 9:26 PM CDT	Special Weather Statement	LBF	Lincoln, Logan	34 min
May 23, 9:33 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan	27 min
May 23, 9:48 PM CDT	Special Weather Statement	LBF	Frontier	27 min
May 23, 9:56 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Logan, Thomas	34 min
May 23, 10:29 PM CDT	Special Weather Statement	LBF	Blaine	31 min
May 24, 12:56 AM CDT	Areal Flood Advisory	LBF	Boyd, Keya Paha	57 hr
May 24, 2:43 AM CDT	Areal Flood Warning	LBF	Brown	9 hr
May 24, 4:44 AM CDT	Special Weather Statement	LBF	Deuel	2 hr
May 24, 5:19 AM CDT	Special Weather Statement	LBF	Lincoln	116 min
May 24, 2:47 PM CDT	Flood Watch	LBF	Arthur, Blaine, Boyd, Brown, Cherry, Garden and 11 more	5 days

Nearby

Areal Flood Warnings in Nebraska, 2019 Every areal flood warning in 2019

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.