Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS North Platte, NE

July 31, 2016Custer County, Nebraska

NWS North Platte, NE issued this special weather statement at Jul 31, 2016, 4:54 AM CDT for Custer County, Nebraska. It was in force for 51 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: Jul 31, 2016, 4:54 AM CDT (09:54 UTC)
Expired: Jul 31, 2016, 5:45 AM CDT
In force: 51 min
Issued by: NWS North Platte, NE

County Custer County, NE

The radar

The North Platte radar (KLNX), 120 km from the middle of the area, began a volume at 09:54 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, 9.9 hours before the alert went out and 88 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: 1833 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1461 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.7

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 Jul 31, 3:32 AM CDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jul 31, 3:32 AM CDT, 1 hour 22 minutes before

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Hazardous weather outlook, Jul 31, 4:51 AM CDT, 3 minutes before

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In the hours before

Special weather statement, Jul 31, 2:41 AM CDT, 2 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
141 AM MDT SUN JUL 31 2016

NEZ023-024-094-310830-
WESTERN CHERRY NE-HOOKER NE-GRANT NE-
141 AM MDT SUN JUL 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL CHERRY...
NORTHEASTERN GRANT AND NORTHWESTERN HOOKER COUNTIES UNTIL 230 AM
MDT...

AT 141 AM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES NORTHWEST OF WHITMAN...OR 30 MILES WEST OF MULLEN...MOVING
SOUTHEAST AT 20 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
WHITMAN...WEIR...HIRE...CARR LAKE...WHITMAN ROAD CROSSING THE NORTH
BRANCH OF THE MIDDLE LOUP RIVER AND DULUTH.

THIS INCLUDES HIGHWAY 2 BETWEEN MILE MARKERS 152 AND 169.

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 300 AM MDT FOR
NORTH CENTRAL AND WEST CENTRAL NEBRASKA.

LAT...LON 4205 10171 4223 10170 4217 10123 4188 10145
TIME...MOT...LOC 0741Z 312DEG 17KT 4214 10161

CDC

Special weather statement, Jul 31, 2:43 AM CDT, 2 hours 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
243 AM CDT SUN JUL 31 2016

NEZ005-008-009-025-026-310830-
EASTERN CHERRY NE-THOMAS NE-BROWN NE-ROCK NE-BLAINE NE-
243 AM CDT SUN JUL 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BLAINE...
SOUTHEASTERN CHERRY...THOMAS...SOUTHERN BROWN AND WEST CENTRAL ROCK
COUNTIES UNTIL 330 AM CDT...

AT 243 AM CDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM LONG PINE TO 10 MILES NORTHEAST OF ELSMERE TO 6
MILES NORTHEAST OF SENECA. MOVEMENT WAS SOUTH AT 20 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
THEDFORD...LONG PINE...HALSEY...PURDUM...ELSMERE...HAWLEY FLATS...
LONG LAKE STATE WILDLIFE MANAGEMENT AREA...HOFELD LAKE...MOON LAKE...
RAVEN...KOSHOPAH...JONES LAKE...
WILLOW LAKE STATE WILDLIFE MANAGEMENT AREA...NATWICK...
NORWAY AND JOHNSONS CORNER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 183 BETWEEN MILE MARKERS 166 AND 179...AND BETWEEN MILE
MARKERS 194 AND 195.
 HIGHWAY 20 BETWEEN MILE MARKERS 245 AND 255.
 HIGHWAY 2 BETWEEN MILE MARKERS 199 AND 228.
 HIGHWAY 83 BETWEEN MILE MARKERS 138 AND 167.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT FOR
NORTH CENTRAL NEBRASKA.

LAT...LON 4248 9941 4198 9986 4181 10064 4209 10082
      4209 10074 4215 10074 4260 9970
TIME...MOT...LOC 0743Z 342DEG 15KT 4254 9969 4224 10000 4210 10072

CDC

Special weather statement, Jul 31, 3:21 AM CDT, 1 hour 33 minutes before

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Special weather statement, Jul 31, 3:24 AM CDT, 1 hour 30 minutes before

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Special weather statement, Jul 31, 3:58 AM CDT, 56 minutes before

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Special weather statement, Jul 31, 4:54 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
Jul 30, 8:12 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	63 min
Jul 30, 11:17 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	43 min
Jul 30, 11:57 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	63 min
Jul 31, 12:39 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	51 min
Jul 31, 1:12 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha	48 min
Jul 31, 1:56 AM CDT	Special Weather Statement	LBF	Blaine, Brown, Hooker, Thomas	49 min
Jul 31, 2:01 AM CDT	Special Weather Statement	LBF	Grant	44 min
Jul 31, 2:04 AM CDT	Special Weather Statement	LBF	Keya Paha	41 min
Jul 31, 2:40 AM CDT	Special Weather Statement	LBF	Keya Paha	50 min
Jul 31, 2:41 AM CDT	Special Weather Statement	LBF	Grant	49 min
Jul 31, 2:43 AM CDT	Special Weather Statement	LBF	Brown, Thomas	47 min
Jul 31, 2:51 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Grant	24 min
Jul 31, 3:21 AM CDT	Special Weather Statement	LBF	Boyd	39 min
Jul 31, 3:24 AM CDT	Special Weather Statement	LBF	Blaine, Logan, Loup, Rock, Thomas	51 min
Jul 31, 3:58 AM CDT	Special Weather Statement	LBF	Holt	47 min
Jul 31, 4:58 AM CDT	Special Weather Statement	LBF	Wheeler	62 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.