Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS North Platte, NE

August 3, 2016Grant County, Nebraska

NWS North Platte, NE issued this special weather statement at Aug 3, 2016, 9:31 PM MDT for Grant County, Nebraska. It was in force for 59 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
Aug 3, 2016, 9:31 PM MDT (03:31 UTC)
Expired
Aug 3, 2016, 10:30 PM MDT
In force
59 min
Issued by
NWS North Platte, NE

County Grant County, NE

The radar

The North Platte radar (KLNX), 109 km from the middle of the area, began a volume at 03:31 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, 3.5 hours before the alert went out and 177 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2016-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2833 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2016-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2833 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1653 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.3
Supercell composite
6.6

Open this sounding in Storm Lab

The text

As transmitted.

960 
WWUS83 KLBF 040331
SPSLBF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
931 PM MDT WED AUG 3 2016
 
NEZ004-022>024-094-040430-
GARDEN NE-WESTERN CHERRY NE-HOOKER NE-GRANT NE-SHERIDAN NE-
931 PM MDT WED AUG 3 2016

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN SHERIDAN...WESTERN
CHERRY...NORTHEASTERN GARDEN...GRANT AND WESTERN HOOKER COUNTIES
UNTIL 1030 PM MDT...

AT 929 PM MDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM 8 MILES SOUTHWEST OF BATESLAND TO 15 MILES
SOUTHWEST OF ASHBY. MOVEMENT WAS EAST AT 35 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
GORDON...HYANNIS...MERRIMAN...ASHBY...MEDICINE LAKE...WHITMAN...
SHELL LAKE STATE WILDLIFE MANAGEMENT AREA...WATSON LAKE...HIRE...
CARR LAKE...ARGO HILL...BINGHAM...
INTERSECTION OF HIGHWAY 61 AND SHADBOLT ROAD...WEIR...
HIGHWAY 61 CROSSING THE SNAKE RIVER...BAYONNE...DULUTH...
DIPPING VAT MEADOW...
IRWIN AND INTERSECTION OF HIGHWAY 27 AND MILLS ROAD.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 20 BETWEEN MILE MARKERS 103 AND 157.
 HIGHWAY 2 BETWEEN MILE MARKERS 121 AND 173.
 HIGHWAY 61 BETWEEN MILE MARKERS 141 AND 231.

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 4299 10128 4179 10125 4179 10223 4300 10228
TIME...MOT...LOC 0329Z 269DEG 32KT 4303 10218 4186 10214 

$$

POWER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 8:06 PM MDTSpecial Weather StatementLBFSheridan39 min
Aug 3, 8:42 PM MDTSpecial Weather StatementLBFSheridan48 min

Nearby

Special Weather Statements in Nebraska, 2016Every 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.