Alert archive / Nebraska / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 34, NWS North Platte, NE

April 14, 2012Lincoln County, Logan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Apr 14, 2012, 6:55 PM CDT for Lincoln County, Logan County, Nebraska. It was in force for 65 min. 1 report 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: Apr 14, 2012, 6:55 PM CDT (23:55 UTC)
Expired: Apr 14, 2012, 8:00 PM CDT
In force: 65 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Lincoln County, NE, Logan County, NE

The radar

The North Platte radar (KLNX), 68 km from the middle of the area, began a volume at 23:55 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

Time	Report	Where	Remark
Apr 14, 7:41 PM CDT	HAIL 1	10 Sw Arnold, NE

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 14, 2:33 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.9 hours before the alert went out and 25 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1610 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 202 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.

388 
WUUS53 KLBF 142355
SVRLBF
NEC111-113-150100-
/O.NEW.KLBF.SV.W.0034.120414T2355Z-120415T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
655 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
  SOUTHEASTERN LOGAN COUNTY IN WEST CENTRAL NEBRASKA...

* UNTIL 800 PM CDT

* AT 650 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES NORTHEAST OF NORTH
  PLATTE...AND MOVING NORTHEAST AT 40 MPH.

  AT 648 GOLF BALL SIZE HAIL WAS REPORTED 3 MILES EAST OF NORTH      
  PLATTE WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  STAPLETON...GANDY...TARBOZ LAKE...HIGHWAY 83 MILE MARKER 100...
  HIGHWAY 92 MILE MARKER 240 AND HIGHWAY 83 MILE MARKER 120.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4131 10090 4139 10078 4140 10072 4143 10072
      4174 10026 4120 10024 4103 10073
TIME...MOT...LOC 2354Z 229DEG 35KT 4120 10064
WIND...HAIL 60MPH <.75IN

$$

BROOKS

3 follow-up statements

419 
WWUS53 KLBF 150021
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
721 PM CDT SAT APR 14 2012

NEC111-113-150100-
/O.CON.KLBF.SV.W.0034.000000T0000Z-120415T0100Z/
LINCOLN NE-LOGAN NE-
721 PM CDT SAT APR 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
LOGAN AND NORTHEASTERN LINCOLN COUNTIES UNTIL 800 PM CDT...

AT 718 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES
SOUTH OF GANDY...OR 10 MILES SOUTHEAST OF STAPLETON...MOVING
NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  GANDY...TARBOZ LAKE AND HIGHWAY 92 MILE MARKER 240.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4107 10063 4146 10068 4174 10026 4120 10024
TIME...MOT...LOC 0021Z 229DEG 35KT 4137 10038
WIND...HAIL 60MPH 1.75IN

$$

BROOKS

396 
WWUS53 KLBF 150049
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
749 PM CDT SAT APR 14 2012

NEC113-150059-
/O.CAN.KLBF.SV.W.0034.000000T0000Z-120415T0100Z/
LOGAN NE-
749 PM CDT SAT APR 14 2012

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

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

LAT...LON 4115 10040 4115 10041 4139 10042 4139 10025
      4120 10024
TIME...MOT...LOC 0049Z 229DEG 35KT 4155 10011

$$

NEC111-150100-
/O.CON.KLBF.SV.W.0034.000000T0000Z-120415T0100Z/
LINCOLN NE-
749 PM CDT SAT APR 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
LINCOLN COUNTY UNTIL 800 PM CDT...

AT 745 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES NORTH OF ARNOLD...
MOVING NORTHEAST AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4115 10040 4115 10041 4139 10042 4139 10025
      4120 10024
TIME...MOT...LOC 0049Z 229DEG 35KT 4155 10011
WIND...HAIL 60MPH 1.75IN

$$

BROOKS

319 
WWUS53 KLBF 150059
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
759 PM CDT SAT APR 14 2012

NEC111-150110-
/O.EXP.KLBF.SV.W.0034.000000T0000Z-120415T0100Z/
LINCOLN NE-
759 PM CDT SAT APR 14 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LINCOLN COUNTY
HAS EXPIRED...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 9 PM CDT.

LAT...LON 4115 10040 4115 10041 4139 10042 4139 10025
      4120 10024
TIME...MOT...LOC 0100Z 229DEG 35KT 4162 10000

$$

BROOKS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 11:21 AM CDT	Severe Thunderstorm Warning	LBF	Wheeler	54 min
Apr 14, 11:28 AM CDT	Severe Thunderstorm Warning	LBF	Garfield	47 min
Apr 14, 12:14 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	28 min
Apr 14, 3:14 PM CDT	Wind Advisory	LBF	Arthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more	31 hr
Apr 14, 3:46 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	44 min
Apr 14, 4:01 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan, McPherson	44 min
Apr 14, 4:13 PM CDT	Severe Thunderstorm Warning	LBF	Logan, Thomas	47 min
Apr 14, 4:20 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan, McPherson	25 min
Apr 14, 4:22 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan	38 min
Apr 14, 4:28 PM CDT	Tornado Warning	LBF	Logan, McPherson	32 min
Apr 14, 4:45 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan, McPherson	30 min
Apr 14, 5:00 PM CDT	Severe Thunderstorm Warning	LBF	Logan	45 min
Apr 14, 5:08 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	22 min
Apr 14, 5:19 PM CDT	Flash Flood Warning	LBF	Logan	4 hr
Apr 14, 5:19 PM CDT	Tornado Warning	LBF	Lincoln	26 min
Apr 14, 5:41 PM CDT	Areal Flood Advisory	LBF	Lincoln	6 hr
Apr 14, 5:44 PM CDT	Tornado Warning	LBF	Lincoln	16 min
Apr 14, 6:01 PM CDT	Tornado Warning	LBF	Lincoln	29 min
Apr 14, 6:09 PM CDT	Severe Thunderstorm Warning	LBF	Custer	51 min
Apr 14, 6:09 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	51 min
Apr 14, 6:19 PM CDT	Tornado Warning	LBF	Lincoln	41 min
Apr 14, 6:33 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan	27 min
Apr 14, 6:34 PM CDT	Tornado Warning	LBF	Blaine, Custer, Loup	26 min
Apr 14, 6:41 PM CDT	Tornado Warning	LBF	Lincoln	33 min
Apr 14, 6:54 PM CDT	Flash Flood Warning	LBF	Lincoln, Logan	4 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.