Alert archive / Nebraska / Special Weather Statements in 2018

Special Weather Statement, NWS North Platte, NE

June 9, 2018Loup County, Nebraska

NWS North Platte, NE issued this special weather statement at Jun 9, 2018, 4:07 AM CDT for Loup County, Nebraska. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 9, 2018, 4:07 AM CDT (09:07 UTC)
Expired: Jun 9, 2018, 4:30 AM CDT
In force: 23 min
Issued by: NWS North Platte, NE

County Loup County, NE

The radar

The North Platte radar (KLNX), 74 km from the middle of the area, began a volume at 09:08 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, 9.1 hours before the alert went out and 95 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: 3615 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 1405 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 9, 4:01 AM CDT, 6 minutes earlier.

Area forecast discussion, Jun 9, 4:01 AM CDT, 6 minutes before

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Hazardous weather outlook, Jun 9, 3:50 AM CDT, 17 minutes before

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In the hours before

Special weather statement, Jun 9, 12:45 AM CDT, 3 hours 22 minutes before

Special Weather Statement
National Weather Service North Platte NE
1245 AM CDT SAT JUN 9 2018

NEZ024-025-036-037-090630-
Hooker NE-McPherson NE-Thomas NE-Logan NE-
1245 AM CDT SAT JUN 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN HOOKER...NORTHERN
LOGAN...NORTHEASTERN MCPHERSON AND SOUTHERN THOMAS COUNTIES UNTIL 130
AM CDT/1230 AM MDT/...

At 1245 AM CDT/1145 PM MDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 15 miles north of Gandy to
10 miles north of Tryon. Movement was east at 5 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Highway 83 crossing The Dismal River and Brown Lake.

This includes the following highways...
 Highway 97 between mile markers 35 and 40.
 Highway 83 between mile markers 120 and 135.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

A Severe Thunderstorm Watch remains in effect until 100 AM
CDT/midnight MDT/ for north central and west central Nebraska.

LAT...LON 4157 10026 4160 10097 4181 10095 4179 10027
TIME...MOT...LOC 0545Z 281DEG 5KT 4168 10034 4171 10093

Snively

Local storm report, Jun 9, 12:56 AM CDT, 3 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1256 AM CDT SAT JUN 9 2018

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

1236 AM     TSTM WND GST     BROKEN BOW              41.41N 99.64W
06/09/2018  M59 MPH          CUSTER             NE   ASOS

&&

SNIVELY

Special weather statement, Jun 9, 1:31 AM CDT, 2 hours 36 minutes before

Special Weather Statement
National Weather Service North Platte NE
131 AM CDT SAT JUN 9 2018

NEZ038-090715-
Custer NE-
131 AM CDT SAT JUN 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CUSTER COUNTY UNTIL
215 AM CDT...

At 130 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles southwest of Arcadia to 7 miles
southwest of Broken Bow. Movement was southeast at 15 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Broken Bow, Callaway, Ansley, Merna, Mason City, Oconto, Berwyn,
Weissert, Westerville, Arcadia Diversion Dam State Wildlife
Management Area, Burr Oak, Gavin Siding, Lodi, Buckeye, Block Hill
Basin, Pressey State Wildlife Management Area and Cumro.

This includes the following highways...
 Highway 183 between mile markers 73 and 106.
 Highway 2 between mile markers 266 and 307.
 Highway 92 between mile markers 261 and 308.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4105 9995 4154 10001 4151 9921 4140 9921
      4139 9920 4105 9921
TIME...MOT...LOC 0630Z 319DEG 13KT 4133 9923 4131 9973

Snively

Special weather statement, Jun 9, 3:03 AM CDT, 1 hour 4 minutes before

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Special weather statement, Jun 9, 3:06 AM CDT, 1 hour 1 minute before

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Special weather statement, Jun 9, 4:07 AM CDT, 0 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 8, 7:09 PM CDT	Special Weather Statement	LBF	Cherry	36 min
Jun 8, 7:44 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	46 min
Jun 8, 8:25 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	50 min
Jun 8, 8:28 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
Jun 8, 8:47 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	58 min
Jun 8, 9:02 PM CDT	Severe Thunderstorm Warning	LBF	Sheridan	58 min
Jun 8, 9:14 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	46 min
Jun 8, 9:30 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Keya Paha	60 min
Jun 8, 9:41 PM CDT	Special Weather Statement	LBF	Keya Paha	49 min
Jun 8, 9:47 PM CDT	Special Weather Statement	LBF	Sheridan	58 min
Jun 8, 9:56 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	49 min
Jun 8, 9:58 PM CDT	Special Weather Statement	LBF	Sheridan	77 min
Jun 8, 10:28 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	47 min
Jun 8, 10:39 PM CDT	Special Weather Statement	LBF	Boyd, Holt	51 min
Jun 8, 10:40 PM CDT	Special Weather Statement	LBF	Grant	65 min
Jun 8, 11:16 PM CDT	Special Weather Statement	LBF	Thomas	44 min
Jun 8, 11:18 PM CDT	Special Weather Statement	LBF	Brown, Rock	42 min
Jun 8, 11:29 PM CDT	Special Weather Statement	LBF	Holt	46 min
Jun 8, 11:38 PM CDT	Special Weather Statement	LBF	Blaine, Thomas	37 min
Jun 8, 11:55 PM CDT	Special Weather Statement	LBF	Loup	35 min
Jun 9, 12:11 AM CDT	Special Weather Statement	LBF	Custer, Logan	34 min
Jun 9, 12:24 AM CDT	Special Weather Statement	LBF	Garfield, Wheeler	51 min
Jun 9, 12:38 AM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt, Wheeler	52 min
Jun 9, 12:39 AM CDT	Severe Thunderstorm Warning	LBF	Custer	51 min
Jun 9, 12:45 AM CDT	Special Weather Statement	LBF	Thomas	45 min
Jun 9, 1:31 AM CDT	Special Weather Statement	LBF	Custer	44 min
Jun 9, 2:29 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker	35 min
Jun 9, 2:43 AM CDT	Severe Thunderstorm Warning	LBF	Grant	32 min
Jun 9, 3:03 AM CDT	Special Weather Statement	LBF	Blaine	27 min
Jun 9, 3:06 AM CDT	Special Weather Statement	LBF	Hooker	24 min

Nearby

Special Weather Statements in Nebraska, 2018 Every special weather statement in 2018

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.