Alert archive / Nebraska / Special Weather Statements in 2015

Special Weather Statement, NWS North Platte, NE

August 5, 2015Deuel County, Garden County, Nebraska

NWS North Platte, NE issued this special weather statement at Aug 5, 2015, 4:57 PM MDT for Deuel County, Garden County, Nebraska. It was in force for 93 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 5, 2015, 4:57 PM MDT (22:57 UTC)
Expired
Aug 5, 2015, 6:30 PM MDT
In force
93 min
Issued by
NWS North Platte, NE

Counties Deuel County, NE, Garden County, NE

The radar

The North Platte radar (KLNX), 163 km from the middle of the area, began a volume at 22:57 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 12:00Z, 11.0 hours before the alert went out and 164 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 12:00Z on 2015-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2015-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1062 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

185 
WWUS83 KLBF 052257
SPSLBF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
457 PM MDT WED AUG 5 2015
 
NEZ022-056-060030-
DEUEL NE-GARDEN NE-
457 PM MDT WED AUG 5 2015

...SIGNIFICANT WEATHER ADVISORY FOR DEUEL AND GARDEN COUNTIES UNTIL
630 PM MDT...

AT 456 PM MDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR SOUTH BAYARD JUNCTION
TO 8 MILES NORTHWEST OF PEETZ...AND MOVING EAST AT 40 MPH.

THESE STORMS COULD REACH WESTERN GARDEN AND DEUEL COUNTIES AROUND 6 
PM MDT. WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THESE 
STORMS IF THEY MAINTAIN STRENGTH. A WIND GUST TO 53 MPH WAS RECORDED 
AT KIMBLE AT 415 PM.

LOCATIONS IMPACTED INCLUDE...
TRALNOR LAKE...OSHKOSH...CHAPPELL...INTERSECTION OF HIGHWAY 27 AND 9
MILE ROAD...BRITTON LAKE...RICHARDSON LAKE...GOLDENEYE STATE WILDLIFE
MANAGEMENT AREA...MUMPER...MOUNT VERNON...BIG SPRINGS...LEWELLEN...
ADAMS FLATS...RACKETT...ASH HOLLOW STATE HISTORICAL PARK...CRESCENT
LAKE NWR...BLUEWATER BATTLEFIELD STATE HISTORICAL PARK...BARTON...
WINDLASS HILL...DOGTOWN FLATS AND DEER LAKE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 92 BETWEEN MILE MARKERS 115 AND 117.
 INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 78 AND 107.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4192 10208 4100 10206 4100 10261 4139 10261
      4140 10264 4174 10264 4175 10267 4177 10268
      4191 10268
TIME...MOT...LOC 2256Z 273DEG 28KT 4172 10325 4104 10324 

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 8:58 PM MDTRiver Flood AdvisoryLBFLincoln36 hr
Aug 5, 6:15 AM MDTDense Fog AdvisoryLBFArthur, Blaine, Chase, Custer, Frontier, Grant and 8 more3 hr
Aug 5, 4:38 PM MDTSpecial Weather StatementLBFDeuel, Garden82 min
Aug 5, 5:51 PM MDTSpecial Weather StatementLBFSheridan54 min

Nearby

Special Weather Statements in Nebraska, 2015Every special weather statement in 2015

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.