Alert archive / Nebraska / Flood Watches in 2024

Flood Watch 2, NWS North Platte, NE

June 21, 20245 counties in Nebraska

NWS North Platte, NE issued this flood watch at Jun 21, 2024, 3:22 AM CDT for 5 counties in Nebraska. It took effect at Jun 21, 2024, 4:00 AM CDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued: Jun 21, 2024, 3:22 AM CDT (08:22 UTC)
In effect from: Jun 21, 2024, 4:00 AM CDT
Expired: Jun 22, 2024, 6:17 AM CDT
In force: 26 hr
Issued by: NWS North Platte, NE
Flood severity: None

Counties Boyd County, NE, Brown County, NE, Holt County, NE, Keya Paha County, NE, Rock County, NE

The radar

The North Platte radar (KLNX), 126 km from the middle of the area, began a volume at 08:22 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 00:00Z, 8.4 hours before the alert went out and 196 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: 887 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1906 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 122 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 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 21, 1:15 AM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 21, 1:15 AM CDT, 2 hours 7 minutes before

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Hazardous weather outlook, Jun 20, 11:43 PM CDT, 3 hours 39 minutes before

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In the hours before

Special weather statement, Jun 20, 9:43 PM CDT, 5 hours 39 minutes before

Special Weather Statement
National Weather Service North Platte NE
943 PM CDT Thu Jun 20 2024

NEZ010-210330-
Holt NE-
943 PM CDT Thu Jun 20 2024

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL HOLT COUNTY THROUGH
1030 PM CDT...

At 943 PM CDT, Doppler radar was tracking a strong thunderstorm near
O'Neill, moving northeast at 15 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
O'Neill, Page, and Inman.

This includes the following highways...
 Highway 20 between mile markers 301 and 317.
 Highway 281 between mile markers 175 and 189.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
north central Nebraska.

&&

LAT...LON 4231 9874 4246 9881 4261 9854 4239 9840
TIME...MOT...LOC 0243Z 237DEG 15KT 4242 9869

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Roberg

Local storm report, Jun 20, 10:07 PM CDT, 5 hours 15 minutes before

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Local storm report, Jun 20, 10:34 PM CDT, 4 hours 48 minutes before

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Local storm report, Jun 20, 10:50 PM CDT, 4 hours 32 minutes before

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Local storm report, Jun 20, 10:57 PM CDT, 4 hours 25 minutes before

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Local storm report, Jun 20, 11:09 PM CDT, 4 hours 13 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 20, 7:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Arthur, Garden, Grant, Hooker	55 min
Jun 20, 7:16 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Hooker, Thomas	59 min
Jun 20, 7:28 PM CDT	Special Weather Statement	LBF	Holt	47 min
Jun 20, 7:44 PM CDT	Severe Thunderstorm Warning	LBF	Holt	46 min
Jun 20, 8:02 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker, Thomas	43 min
Jun 20, 8:18 PM CDT	Severe Thunderstorm Warning	LBF	Holt	42 min
Jun 20, 8:50 PM CDT	Special Weather Statement	LBF	Brown	40 min
Jun 20, 9:01 PM CDT	Special Weather Statement	LBF	Holt	44 min
Jun 20, 9:22 PM CDT	Special Weather Statement	LBF	Brown, Rock	38 min
Jun 20, 9:43 PM CDT	Special Weather Statement	LBF	Holt	47 min
Jun 20, 9:49 PM CDT	Areal Flood Advisory	LBF	Holt	6 hr
Jun 20, 10:02 PM CDT	Flash Flood Warning	LBF	Holt	6 hr
Jun 21, 10:35 AM CDT	Areal Flood Advisory	LBF	Brown, Cherry	3 hr
Jun 21, 11:03 AM CDT	Areal Flood Warning	LBF	Boyd	3 days
Jun 21, 3:28 PM CDT	Special Weather Statement	LBF	Keith	32 min
Jun 21, 3:34 PM CDT	Special Weather Statement	LBF	Hayes	26 min
Jun 21, 3:40 PM CDT	Special Weather Statement	LBF	Hayes	35 min
Jun 21, 3:53 PM CDT	Severe Thunderstorm Warning	LBF	Logan	52 min
Jun 21, 3:56 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	35 min
Jun 21, 4:04 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	56 min
Jun 21, 4:15 PM CDT	Special Weather Statement	LBF	Frontier	30 min
Jun 21, 4:18 PM CDT	Areal Flood Advisory	LBF	Boyd, Holt	4 hr
Jun 21, 4:45 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln	45 min
Jun 21, 5:08 PM CDT	Severe Thunderstorm Warning	LBF	Custer	52 min
Jun 21, 5:13 PM CDT	Severe Thunderstorm Warning	LBF	Brown	47 min
Jun 21, 5:17 PM CDT	Special Weather Statement	LBF	Blaine	43 min
Jun 21, 5:26 PM CDT	Tornado Warning	LBF	Brown	28 min
Jun 21, 5:42 PM CDT	Special Weather Statement	LBF	Custer	48 min
Jun 21, 5:48 PM CDT	Special Weather Statement	LBF	Custer	42 min
Jun 21, 6:21 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Holt, Rock	39 min
Jun 21, 6:41 PM CDT	Flash Flood Warning	LBF	Keya Paha	6 hr
Jun 21, 6:45 PM CDT	Flash Flood Warning	LBF	Brown, Rock	6 hr

Nearby

Flood Watches in Nebraska, 2024 Every flood watch in 2024

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.