Alert archive / Nebraska / Tornado Warnings in 2013

Tornado Warning 4, NWS North Platte, NE

March 29, 2013Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at Mar 29, 2013, 6:59 PM CDT for Lincoln County, Nebraska. It was in force for 31 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
Mar 29, 2013, 6:59 PM CDT (23:59 UTC)
Expired
Mar 29, 2013, 7:30 PM CDT
In force
31 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 117 km from the middle of the area, began a volume at 00:01 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 12:00Z, 12.0 hours before the alert went out and 26 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 2013-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2013-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1556 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
161 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.

668 
WFUS53 KLBF 292359
TORLBF
NEC111-300030-
/O.NEW.KLBF.TO.W.0004.130329T2359Z-130330T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
659 PM CDT FRI MAR 29 2013

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 730 PM CDT

* AT 656 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS 
  DANGEROUS STORM WAS LOCATED 9 MILES SOUTHEAST OF LAKE MALONEY 
  STATE RECREATION AREA...OR 15 MILES SOUTHEAST OF NORTH 
  PLATTE...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JEFFREY CANYON STATE WILDLIFE MANAGEMENT AREA.

THIS INCLUDES HIGHWAY 83 BETWEEN MILE MARKERS 66 AND 74.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4093 10028 4076 10035 4091 10084 4102 10079
TIME...MOT...LOC 2358Z 291DEG 25KT 4094 10062

$$

MASEK
3 follow-up statements
980 
WWUS53 KLBF 300009
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
709 PM CDT FRI MAR 29 2013

NEC111-300030-
/O.CON.KLBF.TO.W.0004.000000T0000Z-130330T0030Z/
LINCOLN NE-
709 PM CDT FRI MAR 29 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL LINCOLN COUNTY
UNTIL 730 PM CDT...

AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED 7 MILES SOUTHEAST OF LAKE MALONEY STATE RECREATION 
AREA...OR 13 MILES SOUTH OF NORTH PLATTE...MOVING  SOUTHEAST AT 25 
MPH.

LOCATIONS IMPACTED INCLUDE...
  JEFFREY CANYON STATE WILDLIFE MANAGEMENT AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4093 10028 4076 10035 4091 10084 4102 10079
TIME...MOT...LOC 0008Z 287DEG 21KT 4095 10065

$$

MASEK
831 
WWUS53 KLBF 300020
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
720 PM CDT FRI MAR 29 2013

NEC111-300030-
/O.CON.KLBF.TO.W.0004.000000T0000Z-130330T0030Z/
LINCOLN NE-
720 PM CDT FRI MAR 29 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL LINCOLN
COUNTY UNTIL 730 PM CDT...

AT 719 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED 6 MILES WEST OF JEFFREY CANYON STATE WILDLIFE 
MANAGEMENT AREA...OR 19 MILES SOUTHEAST OF NORTH PLATTE...MOVING EAST
AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  NE JEFFREY CANYON STATE WILDLIFE MANAGEMENT AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4087 10070 4100 10065 4093 10028 4076 10035
TIME...MOT...LOC 0020Z 286DEG 27KT 4094 10051

$$

MASEK
045 
WWUS53 KLBF 300031
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
731 PM CDT FRI MAR 29 2013

NEC111-300041-
/O.EXP.KLBF.TO.W.0004.000000T0000Z-130330T0030Z/
LINCOLN NE-
731 PM CDT FRI MAR 29 2013

...THE TORNADO WARNING FOR EAST CENTRAL LINCOLN COUNTY HAS EXPIRED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
FOR THE AREA. HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS 
THUNDERSTORM.

LAT...LON 4087 10070 4100 10065 4093 10028 4076 10035
TIME...MOT...LOC 0020Z 286DEG 27KT 4094 10051

$$

MASEK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 5:33 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln42 min
Mar 29, 6:04 PM CDTTornado WarningLBFLincoln26 min
Mar 29, 6:16 PM CDTSevere Thunderstorm WarningLBFLincoln44 min
Mar 29, 6:27 PM CDTTornado WarningLBFLincoln33 min

Nearby

Tornado Warnings in Nebraska, 2013Every tornado warning in 2013Tornadoes in 2013

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.