Alert archive / Nebraska / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 69, NWS North Platte, NE

June 14, 20114 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 14, 2011, 5:00 PM CDT for 4 counties in Nebraska. It was in force for 60 min. 5 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, 5:00 PM CDT (22:00 UTC)
Expired
Jun 14, 2011, 6:00 PM CDT
In force
60 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

Counties Boyd County, NE, Holt County, NE, Keya Paha County, NE, Rock County, NE

The radar

The North Platte radar (KLNX), 150 km from the middle of the area, began a volume at 22:02 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, 5:11 PM CDTHAIL 0.2510 N Newport, NEPUBLIC REPORTED PEA SIZED HAIL 10 MILES NORTH OF NEWPORT
Jun 14, 5:20 PM CDTHAIL 0.883 Nw Naper, NE
Jun 14, 5:25 PM CDTHAIL 0.75Naper, NE
Jun 14, 5:25 PM CDTHAIL 0.882 S Naper, NE
Jun 14, 5:30 PM CDTHAIL 0.753 Se Naper, NE

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, 10.0 hours before the alert went out and 217 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.

181 
WUUS53 KLBF 142200
SVRLBF
NEC015-089-103-149-142300-
/O.NEW.KLBF.SV.W.0069.110614T2200Z-110614T2300Z/

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN BOYD COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTHWESTERN HOLT COUNTY IN NORTH CENTRAL NEBRASKA...
  EASTERN KEYA PAHA COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTHEASTERN ROCK COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 600 PM CDT

* AT 457 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A SEVERE
  THUNDERSTORM PRODUCING PING PONG BALL SIZE HAIL.  THIS STORM WAS
  LOCATED 7 MILES NORTH OF NEWPORT...OR 14 MILES NORTHEAST OF
  BASSETT...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STUART AROUND 525 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HIGHWAY
11 MILE MARKER 160.

ANOTHER POTENTIALLY SEVERE THUNDERSTORM WAS LOCATED 10 MILES 
NORTHWEST OF NAPER. MOVEMENT OF THIS STORM WAS TO THE SOUTHEAST AT 
20 MPH. THIS STORM IS EXPECTED IN THE NAPER AREA BY 530 PM CDT. THIS 
STORM IS CAPABLE OF PRODUCING HALF DOLLAR SIZED HAIL. 

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 4249 9887 4264 9947 4300 9932 4300 9887
TIME...MOT...LOC 2159Z 284DEG 20KT 4270 9930
WIND...HAIL <50MPH 1.50IN

$$

BUTTLER
2 follow-up statements
896 
WWUS53 KLBF 142220
SVSLBF

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

NEC103-149-142228-
/O.CAN.KLBF.SV.W.0069.000000T0000Z-110614T2300Z/
KEYA PAHA NE-ROCK NE-
520 PM CDT TUE JUN 14 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ROCK AND EASTERN
KEYA PAHA COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA AND NO LONGER POSED A SEVERE THREAT. IF SEVERE WEATHER WAS 
OBSERVED...CONTACT LOCAL LAW ENFORCEMENT AND HAVE THEM PASS THE 
REPORT ON TO THE NATIONAL WEATHER SERVICE IN NORTH PLATTE. 

LAT...LON 4300 9924 4300 9887 4249 9887 4258 9923
TIME...MOT...LOC 2218Z 322DEG 24KT 4295 9912

$$

NEC015-089-142300-
/O.CON.KLBF.SV.W.0069.000000T0000Z-110614T2300Z/
BOYD NE-HOLT NE-
520 PM CDT TUE JUN 14 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
HOLT AND WESTERN BOYD COUNTIES UNTIL 600 PM CDT...

AT 516 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL.  THIS 
STORM WAS LOCATED NEAR NAPER...OR 23 MILES WEST OF SPENCER...MOVING 
SOUTHEAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HULL LAKE STATE WILDLIFE MANAGEMENT AREA AROUND 545 PM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE HIGHWAY
11 MILE MARKER 160.

AN ADDITIONAL SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHWEST OF 
STUART...MOVING EAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZED HAIL. 

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 4300 9924 4300 9887 4249 9887 4258 9923
TIME...MOT...LOC 2218Z 322DEG 24KT 4295 9912
WIND...HAIL <50MPH 1.00IN

$$

BUTTLER
237 
WWUS53 KLBF 142256
SVSLBF

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

NEC015-089-142305-
/O.EXP.KLBF.SV.W.0069.000000T0000Z-110614T2300Z/
BOYD NE-HOLT NE-
556 PM CDT TUE JUN 14 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HOLT AND WESTERN
BOYD COUNTIES WILL EXPIRE AT 600 PM CDT/500 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA. IF SEVERE WEATHER WAS OBSERVED...CONTACT LOCAL LAW ENFORCEMENT 
AND HAVE THEM PASS THE REPORT TO THE NATIONAL WEATHER SERVICE IN 
NORTH PLATTE. 

LAT...LON 4300 9924 4300 9887 4249 9887 4258 9923
TIME...MOT...LOC 2255Z 322DEG 24KT 4276 9891

$$

BUTTLER

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, 5:54 PM CDTSevere Thunderstorm WarningLBFHolt51 min
Jun 14, 6:59 PM CDTSevere Thunderstorm WarningLBFCuster31 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.