Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 142, NWS North Platte, NE

June 28, 20124 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 28, 2012, 11:42 PM CDT for 4 counties in Nebraska. It was in force for 48 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 28, 2012, 11:42 PM CDT (04:42 UTC)
Expired: Jun 29, 2012, 12:30 AM CDT
In force: 48 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Custer County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE

The radar

The North Platte radar (KLNX), 89 km from the middle of the area, began a volume at 04:41 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, 4.7 hours before the alert went out and 19 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1037 J/kg
Mixed-layer CIN: -216 J/kg
Mixed-layer LCL: 2810 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

199 
WUUS53 KLBF 290442
SVRLBF
NEC041-111-113-117-290530-
/O.NEW.KLBF.SV.W.0142.120629T0442Z-120629T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1142 PM CDT THU JUN 28 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CUSTER COUNTY IN CENTRAL NEBRASKA...
  NORTHERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
  LOGAN COUNTY IN WEST CENTRAL NEBRASKA...
  SOUTHEASTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...

* UNTIL 1230 AM CDT

* AT 1137 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 5 MILES EAST OF HERSHEY TO GOTHENBURG...AND MOVING NORTHEAST
  AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STAPLETON...ARNOLD...CALLAWAY...GANDY...TARBOZ LAKE...HIGHWAY 83
  MILE MARKER 90...HIGHWAY 97 MILE MARKER 10...HIGHWAY 47 MILE MARKER
  80...HIGHWAY 83 MILE MARKER 100...HIGHWAY 40 MILE MARKER 10...
  HIGHWAY 40 MILE MARKER 20...HIGHWAY 92 MILE MARKER 220...HIGHWAY 92
  MILE MARKER 240...HIGHWAY 83 MILE MARKER 120 AND HIGHWAY 92 MILE
  MARKER 260.

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.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.

&&

LAT...LON 4117 10105 4168 10060 4140 9969 4104 10001
      4104 10022 4092 10022 4091 10023
TIME...MOT...LOC 0442Z 213DEG 32KT 4122 10087 4100 10018
WIND...HAIL 60MPH <.75IN

$$

BUTTLER

3 follow-up statements

884 
WWUS53 KLBF 290457
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1157 PM CDT THU JUN 28 2012

NEC041-111-113-117-290530-
/O.CON.KLBF.SV.W.0142.000000T0000Z-120629T0530Z/
CUSTER NE-LINCOLN NE-LOGAN NE-MCPHERSON NE-
1157 PM CDT THU JUN 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
MCPHERSON...LOGAN...NORTHERN LINCOLN AND SOUTHWESTERN CUSTER COUNTIES
UNTIL 1230 AM CDT...

AT 1150 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 12 MILES NORTH OF NORTH PLATTE TO 13 MILES SOUTHWEST OF ARNOLD 
TO 13 MILES SOUTHWEST OF CALLAWAY...MOVING NORTHEAST AT 50 MPH. 

LOCATIONS IMPACTED INCLUDE...
  ARNOLD...STAPLETON...CALLAWAY...GANDY...TARBOZ LAKE...HIGHWAY 40
  MILE MARKER 10...HIGHWAY 40 MILE MARKER 20...HIGHWAY 92 MILE MARKER
  240...HIGHWAY 92 MILE MARKER 220...HIGHWAY 92 MILE MARKER 260 AND
  HIGHWAY 83 MILE MARKER 120.

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.

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

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4117 10105 4168 10060 4140 9969 4104 10001
      4104 10022 4092 10022 4091 10023
TIME...MOT...LOC 0455Z 212DEG 42KT 4136 10071 4132 10031
          4117 10000
WIND...HAIL 60MPH <.75IN

$$

BUTTLER

368 
WWUS53 KLBF 290512
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1212 AM CDT FRI JUN 29 2012

NEC117-290522-
/O.CAN.KLBF.SV.W.0142.000000T0000Z-120629T0530Z/
MCPHERSON NE-
1212 AM CDT FRI JUN 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCPHERSON COUNTY
IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4112 10082 4168 10060 4140 9969 4104 10001
      4104 10022 4092 10022 4091 10023
TIME...MOT...LOC 0512Z 212DEG 42KT 4153 10057 4149 10017
          4134 9986

$$

NEC041-111-113-290530-
/O.CON.KLBF.SV.W.0142.000000T0000Z-120629T0530Z/
CUSTER NE-LINCOLN NE-LOGAN NE-
1212 AM CDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR LOGAN...
NORTHEASTERN LINCOLN AND SOUTHWESTERN CUSTER COUNTIES UNTIL 1230 AM
CDT...

AT 1209 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM STAPLETON TO ARNOLD TO
CALLAWAY...MOVING NORTHEAST AT 50 MPH.

SEVERE THUNDERSTORMS WILL AFFECT MAINLY RURAL AREAS OF LOGAN...
NORTHEASTERN LINCOLN AND SOUTHWESTERN CUSTER COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS HIGHWAY 83 MILE MARKER 120.

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.

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

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4112 10082 4168 10060 4140 9969 4104 10001
      4104 10022 4092 10022 4091 10023
TIME...MOT...LOC 0512Z 212DEG 42KT 4153 10057 4149 10017
          4134 9986
WIND...HAIL 60MPH 1.00IN

$$

BUTTLER

903 
WWUS53 KLBF 290525
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1225 AM CDT FRI JUN 29 2012

NEC041-111-113-290535-
/O.EXP.KLBF.SV.W.0142.000000T0000Z-120629T0530Z/
CUSTER NE-LINCOLN NE-LOGAN NE-
1225 AM CDT FRI JUN 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR LOGAN...NORTHEASTERN LINCOLN 
AND SOUTHWESTERN CUSTER COUNTIES WILL EXPIRE AT 1230 AM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY.  HOWEVER GUSTY WINDS UP TO 45 MPH ARE STILL POSSIBLE WITH 
THESE THUNDERSTORMS.

LAT...LON 4112 10082 4168 10060 4140 9969 4104 10001
      4104 10022 4092 10022 4091 10023
TIME...MOT...LOC 0525Z 212DEG 42KT 4166 10046 4162 10006
          4147 9975

$$

BUTTLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 10:54 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes, Lincoln	66 min
Jun 29, 2:28 AM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt, Wheeler	23 min
Jun 29, 4:49 AM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	29 min
Jun 29, 7:43 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha	47 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2012 Every severe thunderstorm warning in 2012

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.