Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS North Platte, NE

May 8, 2016Logan County, Nebraska

NWS North Platte, NE issued this special weather statement at May 8, 2016, 12:44 AM CDT for Logan County, Nebraska. It was in force for 46 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: May 8, 2016, 12:44 AM CDT (05:44 UTC)
Expired: May 8, 2016, 1:30 AM CDT
In force: 46 min
Issued by: NWS North Platte, NE

County Logan County, NE

The radar

The North Platte radar (KLNX), 88 km from the middle of the area, began a volume at 05:43 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, 5.7 hours before the alert went out and 18 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: 2 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1264 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 May 7, 11:38 PM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, May 7, 11:38 PM CDT, 1 hour 6 minutes before

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Hazardous weather outlook, May 7, 11:43 PM CDT, 1 hour 1 minute before

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In the hours before

Special weather statement, May 7, 7:58 PM CDT, 4 hours 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
758 PM CDT SAT MAY 7 2016

NEZ059-080130-
LINCOLN NE-
758 PM CDT SAT MAY 7 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LINCOLN COUNTY UNTIL
830 PM CDT...

AT 757 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES NORTHWEST OF MOOREFIELD...OR 11 MILES NORTH OF CURTIS...MOVING
NORTH AT 45 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BRADY...MAXWELL...NORTH PLATTE AIRPORT...KEITH...JEFFREY CANYON STATE
WILDLIFE MANAGEMENT AREA AND COTTONWOOD CANYON STATE WILDLIFE
MANAGEMENT AREA.

THIS INCLUDES INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 183 AND
202.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHWESTERN NEBRASKA.

LAT...LON 4074 10036 4073 10062 4115 10068 4115 10028
TIME...MOT...LOC 0057Z 181DEG 41KT 4080 10049

SNIVELY

Special weather statement, May 7, 8:27 PM CDT, 4 hours 17 minutes before

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Special weather statement, May 7, 8:40 PM CDT, 4 hours 4 minutes before

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Local storm report, May 7, 8:58 PM CDT, 3 hours 46 minutes before

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Special weather statement, May 7, 9:46 PM CDT, 2 hours 58 minutes before

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Special weather statement, May 8, 12:44 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
May 7, 7:58 PM CDT	Special Weather Statement	LBF	Lincoln	32 min
May 7, 8:04 PM CDT	Tornado Warning	LBF	Chase	26 min
May 7, 8:27 PM CDT	Special Weather Statement	LBF	Lincoln	48 min
May 7, 8:40 PM CDT	Special Weather Statement	LBF	Chase	50 min
May 7, 9:46 PM CDT	Special Weather Statement	LBF	McPherson	44 min
May 8, 4:40 PM CDT	Special Weather Statement	LBF	Frontier	35 min
May 8, 4:47 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	28 min
May 8, 4:51 PM CDT	Special Weather Statement	LBF	Custer	39 min
May 8, 5:06 PM CDT	Special Weather Statement	LBF	Custer	24 min
May 8, 5:19 PM CDT	Special Weather Statement	LBF	Custer	41 min
May 8, 5:52 PM CDT	Special Weather Statement	LBF	Custer	38 min
May 8, 6:01 PM CDT	Special Weather Statement	LBF	Custer	29 min
May 8, 6:08 PM CDT	Special Weather Statement	LBF	Logan	22 min
May 8, 6:23 PM CDT	Severe Thunderstorm Warning	LBF	Logan	37 min
May 8, 6:29 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Loup	31 min
May 8, 6:31 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	29 min
May 8, 6:33 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	27 min
May 8, 6:37 PM CDT	Severe Thunderstorm Warning	LBF	Custer	23 min
May 8, 6:57 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	33 min

Nearby

Special Weather Statements in Nebraska, 2016 Every special weather statement in 2016

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.