Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 101, NWS North Platte, NE

June 18, 2015Garden County, Grant County, Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 18, 2015, 1:59 AM MDT for Garden County, Grant County, Sheridan County, Nebraska. It was in force for 31 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 18, 2015, 1:59 AM MDT (07:59 UTC)
Expired
Jun 18, 2015, 2:30 AM MDT
In force
31 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Garden County, NE, Grant County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 132 km from the middle of the area, began a volume at 07:58 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 18, 12:03 AM MDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.0 hours before the alert went out and 166 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 2015-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 172 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2015-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
172 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1543 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

577 
WUUS53 KLBF 180759
SVRLBF
NEC069-075-161-180830-
/O.NEW.KLBF.SV.W.0101.150618T0759Z-150618T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
159 AM MDT THU JUN 18 2015

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA...
  GRANT COUNTY IN WEST CENTRAL NEBRASKA...
  SOUTHERN SHERIDAN COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 230 AM MDT

* AT 158 AM MDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 11 MILES NORTH OF BINGHAM TO ELLSWORTH TO ANTIOCH...
  AND MOVING SOUTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
           ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  ELLSWORTH...LAKESIDE...BINGHAM...ASHBY...HYANNIS...WHITMAN...
  CRESCENT LAKE NWR...FINNEGAN LAKE...PATTERSON LAKE...MILES LAKE...
  HERMAN LAKE...WILD HORSE FLATS...KINCAID LAKE...DOMINICK LAKE...
  TRALNOR LAKE...JERRY LAKE...SWEDE LAKE...BRITTON LAKE...DULUTH AND
  MUMPER.

THIS INCLUDES HIGHWAY 2 BETWEEN MILE MARKERS 96 AND 164.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 138 AND 165.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

LARGE HAIL...DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY. LIGHTNING
KILLS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4219 10274 4217 10232 4228 10206 4209 10204
      4209 10142 4176 10142 4173 10258
TIME...MOT...LOC 0800Z 331DEG 35KT 4216 10207 4207 10225
          4208 10255

HAIL...1.00IN
WIND...60MPH

$$

POWER
2 follow-up statements
479 
WWUS53 KLBF 180819
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
219 AM MDT THU JUN 18 2015

NEC069-075-161-180830-
/O.CON.KLBF.SV.W.0101.000000T0000Z-150618T0830Z/
GARDEN NE-GRANT NE-SHERIDAN NE-
219 AM MDT THU JUN 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
SHERIDAN...GRANT AND NORTHERN GARDEN COUNTIES UNTIL 230 AM MDT...

AT 214 AM MDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTH OF HYANNIS TO 6 MILES SOUTH OF BINGHAM
TO 8 MILES SOUTHEAST OF LAKESIDE...AND MOVING SOUTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
HYANNIS...WHITMAN...CRESCENT LAKE NWR...JERRY LAKE...DULUTH...SWEDE
LAKE...MUMPER...BRITTON LAKE...PRATT LAKE...SPRING VALLEY LAKE AND
COGILL LAKE.

THIS INCLUDES HIGHWAY 2 BETWEEN MILE MARKERS 105 AND 164.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 139 AND 165.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4221 10205 4209 10204 4209 10142 4176 10143
      4173 10257 4201 10268
TIME...MOT...LOC 0817Z 329DEG 36KT 4206 10173 4191 10205
          4194 10236

HAIL...1.00IN
WIND...60MPH

$$

POWER
493 
WWUS53 KLBF 180827
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
227 AM MDT THU JUN 18 2015

NEC069-075-161-180837-
/O.EXP.KLBF.SV.W.0101.000000T0000Z-150618T0830Z/
GARDEN NE-GRANT NE-SHERIDAN NE-
227 AM MDT THU JUN 18 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHERIDAN...GRANT
AND NORTHERN GARDEN COUNTIES WILL EXPIRE AT 230 AM MDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.

LAT...LON 4221 10205 4209 10204 4209 10142 4176 10143
      4173 10257 4201 10268
TIME...MOT...LOC 0827Z 329DEG 36KT 4197 10166 4182 10198
          4185 10229

$$

POWER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 8:06 PM MDTSevere Thunderstorm WarningLBFSheridan39 min
Jun 17, 8:45 PM MDTSevere Thunderstorm WarningLBFSheridan28 min
Jun 18, 12:16 AM MDTSevere Thunderstorm WarningLBFCherry, Sheridan59 min
Jun 18, 12:59 AM MDTSevere Thunderstorm WarningLBFCherry46 min
Jun 18, 1:14 AM MDTSevere Thunderstorm WarningLBFSheridan46 min
Jun 18, 1:43 AM MDTSevere Thunderstorm WarningLBFCherry62 min
Jun 18, 5:10 PM MDTAreal Flood AdvisoryLBFHayes, Lincoln, Perkins24 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2015Every severe thunderstorm warning 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.