Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 124, NWS North Platte, NE

June 19, 2012Logan County, McPherson County, Thomas County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 19, 2012, 10:53 PM CDT for Logan County, McPherson County, Thomas County, Nebraska. It was in force for 57 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 19, 2012, 10:53 PM CDT (03:53 UTC)
Expired: Jun 19, 2012, 11:50 PM CDT
In force: 57 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Logan County, NE, McPherson County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 9 km from the middle of the area, began a volume at 03:54 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.

Issued	Product	Office	Lasted
Jun 19, 7:01 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.9 hours before the alert went out and 83 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: 2151 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 2585 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

796 
WUUS53 KLBF 200353
SVRLBF
NEC113-117-171-200500-
/O.NEW.KLBF.SV.W.0124.120620T0353Z-120620T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1053 PM CDT TUE JUN 19 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LOGAN COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHEASTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...
  THOMAS COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL MIDNIGHT CDT

* AT 1049 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 10
  MILES SOUTHWEST OF HIGHWAY 83 CROSSING THE DISMAL RIVER...OR 16
  MILES NORTHWEST OF STAPLETON...AND MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  THEDFORD...HIGHWAY 83 CROSSING THE DISMAL RIVER...HIGHWAY 83 MILE
  MARKER 130...HIGHWAY 83 MILE MARKER 140 AND HIGHWAY 2 MILE MARKER
  220.

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 4208 10074 4208 10028 4176 10028 4158 10061
      4167 10081
TIME...MOT...LOC 0353Z 212DEG 29KT 4171 10064
WIND...HAIL 60MPH 1.00IN

$$

SPRINGER

4 follow-up statements

134 
WWUS53 KLBF 200407
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1107 PM CDT TUE JUN 19 2012

NEC117-200416-
/O.CAN.KLBF.SV.W.0124.000000T0000Z-120620T0500Z/
MCPHERSON NE-
1107 PM CDT TUE JUN 19 2012

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

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF MCPHERSON 
COUNTY. 

LAT...LON 4208 10028 4176 10028 4158 10061 4163 10072
      4174 10071 4174 10080 4208 10074
TIME...MOT...LOC 0406Z 210DEG 18KT 4177 10061

$$

NEC113-171-200500-
/O.CON.KLBF.SV.W.0124.000000T0000Z-120620T0500Z/
LOGAN NE-THOMAS NE-
1107 PM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THOMAS AND
NORTHWESTERN LOGAN COUNTIES UNTIL MIDNIGHT CDT...

AT 1103 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
HIGHWAY 83 CROSSING THE DISMAL RIVER...OR 15 MILES SOUTH OF
THEDFORD...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  THEDFORD...HIGHWAY 83 CROSSING THE DISMAL RIVER...HIGHWAY 83 MILE
  MARKER 130...HIGHWAY 83 MILE MARKER 140 AND HIGHWAY 2 MILE MARKER
  220.

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 4208 10028 4176 10028 4158 10061 4163 10072
      4174 10071 4174 10080 4208 10074
TIME...MOT...LOC 0406Z 210DEG 18KT 4177 10061
WIND...HAIL 60MPH 1.00IN

$$

SPRINGER

200 
WWUS53 KLBF 200421
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1121 PM CDT TUE JUN 19 2012

NEC113-200431-
/O.CAN.KLBF.SV.W.0124.000000T0000Z-120620T0500Z/
LOGAN NE-
1121 PM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LOGAN COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF LOGAN COUNTY.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2 AM CDT.

LAT...LON 4208 10028 4176 10028 4174 10032 4174 10080
      4208 10074
TIME...MOT...LOC 0421Z 210DEG 18KT 4183 10056

$$

NEC171-200500-
/O.CON.KLBF.SV.W.0124.000000T0000Z-120620T0500Z/
THOMAS NE-
1121 PM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THOMAS COUNTY
UNTIL MIDNIGHT CDT...

AT 1117 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
HIGHWAY 83 CROSSING THE DISMAL RIVER...OR 11 MILES SOUTH OF
THEDFORD...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  THEDFORD...HIGHWAY 83 MILE MARKER 140 AND HIGHWAY 2 MILE MARKER
  220.

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 4208 10028 4176 10028 4174 10032 4174 10080
      4208 10074
TIME...MOT...LOC 0421Z 210DEG 18KT 4183 10056
WIND...HAIL 60MPH 1.00IN

$$

SPRINGER

806 
WWUS53 KLBF 200429
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1129 PM CDT TUE JUN 19 2012

NEC171-200500-
/O.CON.KLBF.SV.W.0124.000000T0000Z-120620T0500Z/
THOMAS NE-
1129 PM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THOMAS COUNTY
UNTIL MIDNIGHT CDT...

AT 1126 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 6 MILES
NORTH OF HIGHWAY 83 CROSSING THE DISMAL RIVER...OR 8 MILES SOUTH OF
THEDFORD...MOVING NORTH AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  THEDFORD AND HIGHWAY 2 MILE MARKER 220.

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 4208 10028 4176 10028 4174 10032 4174 10080
      4208 10074
TIME...MOT...LOC 0429Z 191DEG 24KT 4189 10053
WIND...HAIL 60MPH 1.00IN

$$

SPRINGER

607 
WWUS53 KLBF 200450
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1150 PM CDT TUE JUN 19 2012

NEC171-200500-
/O.CAN.KLBF.SV.W.0124.000000T0000Z-120620T0500Z/
THOMAS NE-
1150 PM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR THOMAS COUNTY IS CANCELLED...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 2 AM CDT.

LAT...LON 4208 10028 4176 10028 4174 10032 4174 10080
      4208 10074
TIME...MOT...LOC 0450Z 191DEG 24KT 4203 10049

$$

SPRINGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 12:32 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	28 min
Jun 20, 12:48 AM CDT	Severe Thunderstorm Warning	LBF	Sheridan	42 min
Jun 20, 1:17 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	13 min
Jun 20, 1:26 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	49 min
Jun 20, 1:31 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	29 min
Jun 20, 1:45 AM CDT	Severe Thunderstorm Warning	LBF	Garden	30 min
Jun 20, 2:03 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Grant	27 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.