Alert archive / Nebraska / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 71, NWS North Platte, NE

June 14, 2011Custer County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 14, 2011, 6:59 PM CDT for Custer County, Nebraska. It was in force for 31 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 14, 2011, 6:59 PM CDT (23:59 UTC)
Expired
Jun 14, 2011, 7:30 PM CDT
In force
31 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Custer County, NE

The radar

The Grand Island radar (KUEX), 127 km from the middle of the area, began a volume at 00:00 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.

What was reported inside it

TimeReportWhereRemark
Jun 14, 7:08 PM CDTHAIL 1.75Ansley, NEANSLEY FIRE DEPARTMENT REPORTED THAT GOLF BALL SIZED HAIL FELL IN ANSLEY AT 708 PM CDT
Jun 14, 7:08 PM CDTHAIL 2.5Ansley, NECUSTER COUNTY EMERGENCY MANAGER REPORTED NUMEROUS HOME WINDOWS BROKEN IN ANSLEY FROM LARGE JAGGED HAIL...ALONG WITH TREES STRIPPED OF FOLIAGE. TENNIS BALL SIZED HAIL FELL EAST OF ANSLEY.
Jun 14, 7:11 PM CDTHAIL 1.25Ansley, NETHE GROUND WAS ALMOST WHITE WITH HAIL PEA SIZE TO HALF DOLLAR SIZE. VERY LITTLE RAIN FELL.
Jun 14, 7:13 PM CDTHAIL 1.752 N Ansley, NEPUBLIC REPORTED QUARTER AND GOLF BALL SIZED HAIL 2 MILES NORTH OF ANSLEY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 12.0 hours before the alert went out and 106 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 2011-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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 12:00Z on 2011-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 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
89 J/kg
Mixed-layer CIN
-308 J/kg
Mixed-layer LCL
1820 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
232 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.

324 
WUUS53 KLBF 142359
SVRLBF
NEC041-150045-
/O.NEW.KLBF.SV.W.0071.110614T2359Z-110615T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
659 PM CDT TUE JUN 14 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA...

* UNTIL 745 PM CDT

* AT 659 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  ANSLEY...OR 14 MILES SOUTHEAST OF BROKEN BOW...AND MOVING SOUTHEAST
  AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANSLEY...MASON CITY AND HIGHWAY 92 MILE MARKER 300.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4110 9921 4126 9956 4140 9951 4133 9920
TIME...MOT...LOC 2359Z 298DEG 26KT 4130 9939
WIND...HAIL 60MPH 1.00IN

$$

SCHULTZ
3 follow-up statements
742 
WWUS53 KLBF 150010
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
710 PM CDT TUE JUN 14 2011

NEC041-150045-
/O.CON.KLBF.SV.W.0071.000000T0000Z-110615T0045Z/
CUSTER NE-
710 PM CDT TUE JUN 14 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
CUSTER COUNTY UNTIL 745 PM CDT...

AT 706 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN 
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR ANSLEY...OR 18 MILES 
SOUTHEAST OF BROKEN BOW...MOVING SOUTHEAST AT 30 MPH.

AT 705 PM CDT...NICKEL SIZE HAIL WAS REPORTED IN ANSLEY.

LOCATIONS IMPACTED INCLUDE...
  MASON CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4110 9921 4121 9945 4138 9942 4133 9920
TIME...MOT...LOC 0009Z 298DEG 26KT 4126 9931
WIND...HAIL 60MPH 1.00IN

$$

BROOKS
924 
WWUS53 KLBF 150015
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
715 PM CDT TUE JUN 14 2011

NEC041-150045-
/O.CON.KLBF.SV.W.0071.000000T0000Z-110615T0045Z/
CUSTER NE-
715 PM CDT TUE JUN 14 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
CUSTER COUNTY UNTIL 745 PM CDT...

AT 711 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE 
THUNDERSTORM PRODUCING GOLF BALL SIZE HAIL NEAR ANSLEY. THIS STORM 
WAS LOCATED NEAR MASON CITY...OR 22 MILES SOUTHEAST OF BROKEN 
BOW...MOVING EAST AT 35 MPH. THIS STORM ALSO IS CAPABLE OF PRODUCING 
WINDS IN EXCESS OF 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME EASTERN CUSTER COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THIS STORM. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 4137 9939 4133 9920 4110 9921 4118 9939
TIME...MOT...LOC 0015Z 290DEG 28KT 4126 9923
WIND...HAIL 60MPH 1.75IN

$$

BROOKS
114 
WWUS53 KLBF 150030
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
730 PM CDT TUE JUN 14 2011

NEC041-150041-
/O.CAN.KLBF.SV.W.0071.000000T0000Z-110615T0045Z/
CUSTER NE-
730 PM CDT TUE JUN 14 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CUSTER COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

LAT...LON 4137 9939 4133 9920 4110 9921 4118 9939
TIME...MOT...LOC 0031Z 290DEG 28KT 4122 9907

$$

BROOKS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:07 PM CDTSevere Thunderstorm WarningLBFCherry38 min
Jun 13, 7:14 PM CDTTornado WarningLBFCherry31 min
Jun 13, 7:30 PM CDTSevere Thunderstorm WarningLBFCherry45 min
Jun 13, 7:59 PM CDTSevere Thunderstorm WarningLBFCherry29 min
Jun 13, 8:02 PM CDTSevere Thunderstorm WarningLBFDeuel47 min
Jun 13, 8:13 PM CDTSevere Thunderstorm WarningLBFGarden47 min
Jun 13, 8:15 PM CDTSevere Thunderstorm WarningLBFCherry45 min
Jun 13, 8:27 PM CDTSevere Thunderstorm WarningLBFCherry, Grant48 min
Jun 13, 8:46 PM CDTSevere Thunderstorm WarningLBFGrant59 min
Jun 14, 4:04 PM CDTSevere Thunderstorm WarningLBFBrown, Keya Paha, Rock56 min
Jun 14, 4:16 PM CDTSevere Thunderstorm WarningLBFHolt, Rock44 min
Jun 14, 5:00 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt, Keya Paha, Rock60 min
Jun 14, 5:54 PM CDTSevere Thunderstorm WarningLBFHolt51 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2011Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.