Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 104, NWS North Platte, NE

June 20, 2019Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 20, 2019, 11:10 PM MDT for Cherry County, Nebraska. It was in force for 50 min. 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 20, 2019, 11:10 PM MDT (05:10 UTC)
Expired: Jun 21, 2019, 12:00 AM MDT
In force: 50 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 79 km from the middle of the area, began a volume at 05:12 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 20, 8:44 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.2 hours before the alert went out and 163 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: 766 J/kg
Mixed-layer CIN: -209 J/kg
Mixed-layer LCL: 1735 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 173 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 severe thunderstorm 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 severe thunderstorm warning went out at Jun 20, 10:58 PM MDT, 12 minutes earlier.

Area forecast discussion, Jun 20, 10:58 PM MDT, 12 minutes before

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Hazardous weather outlook, Jun 20, 2:10 PM MDT, 9 hours before

Hazardous Weather Outlook
National Weather Service North Platte NE
310 PM CDT Thu Jun 20 2019

NEZ004>010-022>029-035>038-056>059-069>071-094-212015-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-
Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-
Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
310 PM CDT Thu Jun 20 2019 /210 PM MDT Thu Jun 20 2019/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TONIGHT.

Scattered thunderstorms will move through western and north central
Nebraska this evening and tonight. Some of the storms could be
severe with large hail and damaging winds. The primary threats,
however are torrential rainfall and frequent lightning.
Localized minor street and lowland flooding are possible.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

More thunderstorms will affect the region Friday evening and night.
Severe weather is possible primarily along and south of Interstate
80 as well as east of Highway 183. Hail, wind, and heavy rain are
the main concerns.

Thunderstorm chances continue into Saturday and Sunday. The
potential for severe weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening across western
Nebraska, primarily west of Highway 83. Reports of hail, wind, and
rainfall or flooding are appreciated.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

DS

In the hours before

Special weather statement, Jun 20, 7:43 PM MDT, 3 hours 27 minutes before

Special Weather Statement
National Weather Service North Platte NE
743 PM MDT Thu Jun 20 2019

NEZ004-210230-
Sheridan NE-
743 PM MDT Thu Jun 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN SHERIDAN COUNTY
UNTIL 830 PM MDT...

At 742 PM MDT, Doppler radar was tracking a strong thunderstorm near
Chadron, moving east at 40 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Rushville, Hay Springs, White Clay, Clinton, Intersection of Highway
87 and Craven Creek Road, Lone Butte, Intersection of Beaver Creek
Road and White Clay Creek Road, Intersection of Highway 87 and
Larabee Road, Mount Maria, Walgren Lake State Recreation Area, Pine
Ridge, Metcalf State Wildlife Management Area, Intersection of
Highway 87 and Antelope Road and Highway 250 crossing the Niobrara
River.

This includes the following highways...
 Highway 20 between mile markers 74 and 102.
 Highway 250 between mile markers 38 and 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A Tornado Watch remains in effect until 1000 PM MDT for the Panhandle
of Nebraska.

LAT...LON 4299 10279 4300 10243 4300 10228 4257 10224
      4255 10277 4278 10277 4279 10279
TIME...MOT...LOC 0142Z 258DEG 43KT 4277 10294

Keck

Special weather statement, Jun 20, 8:04 PM MDT, 3 hours 6 minutes before

Special Weather Statement
National Weather Service North Platte NE
804 PM MDT Thu Jun 20 2019

NEZ004-094-210245-
Sheridan NE-Western Cherry NE-
804 PM MDT Thu Jun 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CHERRY AND NORTHERN
SHERIDAN COUNTIES UNTIL 845 PM MDT...

At 802 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles north of Hay Springs to 8 miles
northeast of Box Butte Dam. Movement was northeast at 50 mph.

Wind gusts up to 50 mph will be possible with these storms and
hail to penny size hail.

Locations impacted include...
Gordon, Rushville, Hay Springs, White Clay, Clinton, Intersection of
Highway 87 and Craven Creek Road, Lone Butte, Intersection of Beaver
Creek Road and White Clay Creek Road, Intersection of Highway 87 and
Larabee Road, Highway 27 crossing the Niobrara River, Mount Maria,
Highway 250 crossing the Niobrara River, Walgren Lake State
Recreation Area, Shell Lake State Wildlife Management Area,
Intersection of Highway 27 and Mills Road, Pine Ridge, Hoover Lake,
Metcalf State Wildlife Management Area, Intersection of Highway 87
and Antelope Road and Rock Hill.

This includes the following highways...
 Highway 20 between mile markers 74 and 116.
 Highway 250 between mile markers 37 and 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A Tornado Watch remains in effect until 1000 PM MDT for the Panhandle
of and north central Nebraska.

LAT...LON 4299 10191 4261 10209 4250 10278 4278 10277
      4279 10279 4290 10280 4299 10278 4300 10274
TIME...MOT...LOC 0202Z 247DEG 47KT 4282 10274 4255 10297

Keck

Local storm report, Jun 20, 9:18 PM MDT, 1 hour 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1018 PM CDT THU JUN 20 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1017 PM     TSTM WND GST     11 SE GORDON            42.69N 102.05W
06/20/2019  E60 MPH          CHERRY             NE   PUBLIC

            ESTIMATED 60 MPH WIND WITH PEBBLE SIZE HAIL.

&&

SJACOBS

Local storm report, Jun 20, 9:20 PM MDT, 1 hour 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1020 PM CDT THU JUN 20 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1017 PM     HAIL             7 SE GORDON             42.73N 102.11W
06/20/2019  E1.00 INCH       SHERIDAN           NE   PUBLIC

&&

THORNE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:43 PM MDT	Special Weather Statement	LBF	Sheridan	47 min
Jun 20, 8:04 PM MDT	Special Weather Statement	LBF	Sheridan	41 min
Jun 20, 8:25 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	65 min
Jun 20, 8:47 PM MDT	Areal Flood Advisory	LBF	Sheridan	3 hr
Jun 20, 9:09 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	66 min
Jun 20, 10:00 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	45 min
Jun 20, 10:33 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	42 min
Jun 21, 12:04 AM MDT	Special Weather Statement	LBF	Brown	41 min
Jun 21, 12:45 AM MDT	Special Weather Statement	LBF	Keya Paha	45 min
Jun 21, 12:55 AM MDT	Special Weather Statement	LBF	Chase	50 min
Jun 21, 1:09 AM MDT	Special Weather Statement	LBF	Keya Paha	51 min
Jun 21, 1:28 AM MDT	Special Weather Statement	LBF	Keya Paha	47 min
Jun 21, 1:57 AM MDT	Special Weather Statement	LBF	Keya Paha	48 min
Jun 21, 2:02 AM MDT	Special Weather Statement	LBF	Frontier, Hayes	58 min
Jun 21, 2:36 AM MDT	Special Weather Statement	LBF	Brown	54 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2019 Every severe thunderstorm 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.