Alert archive / Nebraska / Tornado Warnings in 2015

Tornado Warning 12, NWS North Platte, NE

August 2, 2015Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 2, 2015, 3:45 PM CDT for Lincoln County, Nebraska. It was in force for 30 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: Aug 2, 2015, 3:45 PM CDT (20:45 UTC)
Expired: Aug 2, 2015, 4:15 PM CDT
In force: 30 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

County Lincoln County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.8 hours before the alert went out and 29 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: 902 J/kg
Mixed-layer CIN: -244 J/kg
Mixed-layer LCL: 1821 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 87 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.

633 
WFUS53 KLBF 022045
TORLBF
NEC111-022115-
/O.NEW.KLBF.TO.W.0012.150802T2045Z-150802T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
345 PM CDT SUN AUG 2 2015

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL LINCOLN COUNTY IN SOUTHWESTERN NEBRASKA...

* UNTIL 415 PM CDT

* AT 344 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR LAKE MALONEY
  STATE RECREATION AREA...OR 11 MILES SOUTH OF NORTH PLATTE...MOVING
  EAST AT 5 MPH.

  HAZARD...TORNADO. 

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

  IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTH CENTRAL LINCOLN COUNTY.

THIS INCLUDES HIGHWAY 83 BETWEEN MILE MARKERS 64 AND 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4087 10094 4105 10091 4102 10065 4085 10067
TIME...MOT...LOC 2044Z 271DEG 5KT 4097 10086 

TORNADO...OBSERVED
HAIL...0.00IN

$$

JWS

3 follow-up statements

347 
WWUS53 KLBF 022054
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
354 PM CDT SUN AUG 2 2015

NEC111-022115-
/O.CON.KLBF.TO.W.0012.000000T0000Z-150802T2115Z/
LINCOLN NE-
354 PM CDT SUN AUG 2 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR SOUTH
CENTRAL LINCOLN COUNTY...
    
AT 352 PM CDT...A CONFIRMED LANDSPOUT TORNADO WAS LOCATED 4 MILES 
SOUTHWEST OF LAKE MALONEY STATE RECREATION AREA...OR 12 MILES SOUTH 
OF NORTH PLATTE...MOVING EAST AT 5 MPH.

HAZARD...TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES. 

THIS INCLUDES HIGHWAY 83 BETWEEN MILE MARKERS 64 AND 75.
 
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF 
SOUTH CENTRAL LINCOLN COUNTY. LANDSPOUT TORNADOES TYPICALLY ARE 
SHORT LIVED BUT MAY STILL DO DAMAGE IN THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4087 10094 4105 10091 4102 10065 4085 10067
TIME...MOT...LOC 2052Z 283DEG 6KT 4095 10083 

TORNADO...OBSERVED
HAIL...<.75IN

$$

JWS

544 
WWUS53 KLBF 022107
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
407 PM CDT SUN AUG 2 2015

NEC111-022115-
/O.CON.KLBF.TO.W.0012.000000T0000Z-150802T2115Z/
LINCOLN NE-
407 PM CDT SUN AUG 2 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR SOUTH
CENTRAL LINCOLN COUNTY...
    
AT 404 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LAKE MALONEY STATE RECREATION AREA...OR 12 MILES
SOUTH OF NORTH PLATTE...MOVING EAST AT 5 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF 
SOUTH CENTRAL LINCOLN COUNTY. LANDSPOUT TORNADOES ARE USUALLY SHORT-
LIVED AND DEVELOP AND DISSIPATE QUICKLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4087 10094 4105 10091 4102 10065 4085 10067
TIME...MOT...LOC 2104Z 283DEG 6KT 4095 10081 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JWS

385 
WWUS53 KLBF 022118
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
418 PM CDT SUN AUG 2 2015

NEC111-022126-
/O.EXP.KLBF.TO.W.0012.000000T0000Z-150802T2115Z/
LINCOLN NE-
418 PM CDT SUN AUG 2 2015

...THE TORNADO WARNING FOR SOUTH CENTRAL LINCOLN COUNTY HAS
EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO. 
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. 

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

LAT...LON 4087 10094 4105 10091 4102 10065 4085 10067
TIME...MOT...LOC 2045Z 271DEG 5KT 4095 10081 

$$

JWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 7:48 PM CDT	Special Weather Statement	LBF	Keith	42 min
Aug 1, 8:19 PM CDT	Special Weather Statement	LBF	Chase, Perkins	41 min
Aug 2, 2:09 PM CDT	Special Weather Statement	LBF	Logan, McPherson	51 min
Aug 2, 2:45 PM CDT	Special Weather Statement	LBF	Arthur	45 min
Aug 2, 3:07 PM CDT	Special Weather Statement	LBF	Lincoln	38 min
Aug 2, 3:28 PM CDT	Special Weather Statement	LBF	Custer	47 min
Aug 2, 3:43 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	47 min
Aug 2, 4:21 PM CDT	Severe Thunderstorm Warning	LBF	Custer	24 min
Aug 2, 4:44 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Loup	46 min
Aug 2, 5:16 PM CDT	Special Weather Statement	LBF	Gosper	44 min
Aug 2, 5:19 PM CDT	Special Weather Statement	LBF	Hayes	41 min
Aug 2, 5:28 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Loup	32 min
Aug 2, 5:32 PM CDT	Special Weather Statement	LBF	Deuel	28 min
Aug 2, 5:36 PM CDT	Severe Thunderstorm Warning	LBF	Deuel, Garden, Keith	39 min

Nearby

Tornado Warnings in Nebraska, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.