Alert archive / Nebraska / Tornado Warnings in 2016

Tornado Warning 21, NWS North Platte, NE

July 6, 2016Keith County, Lincoln County, McPherson County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 6, 2016, 7:14 PM MDT for Keith County, Lincoln County, McPherson 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
Jul 6, 2016, 7:14 PM MDT (01:14 UTC)
Expired
Jul 6, 2016, 7:45 PM MDT
In force
31 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Keith County, NE, Lincoln County, NE, McPherson County, NE

The radar

The North Platte radar (KLNX), 87 km from the middle of the area, began a volume at 01:17 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.

IssuedProductOfficeLasted
Jul 6, 2:49 PM MDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.2 hours before the alert went out and 60 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 00:00Z on 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2862 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.19395878Sfc1 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
2862 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1697 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.9
Supercell composite
28.9

Open this sounding in Storm Lab

The text

As transmitted.

753 
WFUS53 KLBF 070114
TORLBF
NEC101-111-117-070145-
/O.NEW.KLBF.TO.W.0021.160707T0114Z-160707T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
814 PM CDT WED JUL 6 2016

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN KEITH COUNTY IN SOUTHWESTERN NEBRASKA...
  SOUTHWESTERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHWESTERN LINCOLN COUNTY IN SOUTHWESTERN NEBRASKA...

* UNTIL 845 PM CDT/745 PM MDT/

* AT 814 PM CDT/714 PM MDT/...A CONFIRMED TORNADO WAS LOCATED 16
  MILES NORTH OF SARBEN...OR 20 MILES SOUTHWEST OF TRYON...MOVING
  EAST AT 25 MPH.

  HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHEASTERN KEITH...SOUTHWESTERN MCPHERSON AND NORTHWESTERN
  LINCOLN COUNTIES.

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 4131 10141 4149 10134 4143 10103 4125 10108
TIME...MOT...LOC 0114Z 288DEG 21KT 4140 10129 

TORNADO...OBSERVED
HAIL...1.00IN

$$

ET
1 follow-up statement
404 
WWUS53 KLBF 070133
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
833 PM CDT WED JUL 6 2016

NEC101-070143-
/O.CAN.KLBF.TO.W.0021.000000T0000Z-160707T0145Z/
KEITH NE-
833 PM CDT WED JUL 6 2016

...THE TORNADO WARNING FOR NORTHEASTERN KEITH COUNTY IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA...THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
WEST CENTRAL AND SOUTHWESTERN NEBRASKA.

LAT...LON 4128 10127 4132 10127 4146 10121 4143 10103
      4125 10108
TIME...MOT...LOC 0133Z 294DEG 29KT 4135 10108 

$$

NEC111-117-070145-
/O.CON.KLBF.TO.W.0021.000000T0000Z-160707T0145Z/
MCPHERSON NE-LINCOLN NE-
833 PM CDT WED JUL 6 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTH
CENTRAL MCPHERSON AND NORTHWESTERN LINCOLN COUNTIES...
    
AT 833 PM CDT...A CONFIRMED TORNADO WAS LOCATED 13 MILES NORTH OF
SUTHERLAND...OR 16 MILES SOUTHWEST OF TRYON...MOVING SOUTHEAST AT 35
MPH.

HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTH CENTRAL MCPHERSON AND NORTHWESTERN LINCOLN COUNTIES.

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 4128 10127 4132 10127 4146 10121 4143 10103
      4125 10108
TIME...MOT...LOC 0133Z 294DEG 29KT 4135 10108 

TORNADO...OBSERVED
HAIL...1.00IN

$$

ET

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 6:01 PM MDTSevere Thunderstorm WarningLBFArthur, Grant29 min
Jul 6, 6:13 PM MDTSevere Thunderstorm WarningLBFBrown, Keya Paha, Rock47 min
Jul 6, 6:16 PM MDTSevere Thunderstorm WarningLBFArthur, McPherson29 min
Jul 6, 6:16 PM MDTTornado WarningLBFCherry29 min
Jul 6, 6:30 PM MDTSevere Thunderstorm WarningLBFArthur, Grant, Hooker30 min
Jul 6, 6:39 PM MDTSevere Thunderstorm WarningLBFHooker, McPherson, Thomas36 min
Jul 6, 6:44 PM MDTTornado Warning Tornado observedLBFArthur, McPherson31 min
Jul 6, 6:46 PM MDTSevere Thunderstorm WarningLBFLincoln29 min
Jul 6, 7:00 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt, Keya Paha, Rock60 min
Jul 6, 7:01 PM MDTSevere Thunderstorm WarningLBFArthur, Hooker, McPherson29 min
Jul 6, 7:31 PM MDTSevere Thunderstorm WarningLBFHooker, Logan, McPherson, Thomas19 min
Jul 6, 7:43 PM MDTSevere Thunderstorm WarningLBFLincoln, McPherson32 min
Jul 6, 7:46 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Thomas29 min
Jul 6, 7:59 PM MDTSpecial Weather StatementLBFHolt31 min
Jul 6, 8:01 PM MDTTornado WarningLBFLincoln29 min
Jul 6, 8:02 PM MDTSevere Thunderstorm WarningLBFBlaine, Loup28 min
Jul 6, 8:11 PM MDTSpecial Weather StatementLBFFrontier, Hayes49 min
Jul 6, 8:11 PM MDTSevere Thunderstorm WarningLBFLincoln, Logan, McPherson34 min
Jul 6, 8:14 PM MDTSpecial Weather StatementLBFBrown46 min
Jul 6, 8:26 PM MDTSpecial Weather StatementLBFCuster49 min
Jul 6, 8:29 PM MDTSpecial Weather StatementLBFHolt46 min
Jul 6, 8:36 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln13 min
Jul 6, 8:39 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan36 min
Jul 6, 8:45 PM MDTSevere Thunderstorm WarningLBFLincoln, Logan, McPherson30 min
Jul 6, 9:06 PM MDTSpecial Weather StatementLBFFrontier39 min
Jul 6, 9:07 PM MDTSpecial Weather StatementLBFCuster23 min
Jul 6, 9:13 PM MDTSevere Thunderstorm WarningLBFLincoln, Logan32 min
Jul 6, 9:42 PM MDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan20 min
Jul 6, 11:10 PM MDTSpecial Weather StatementLBFBrown, Rock50 min
Jul 6, 11:25 PM MDTSpecial Weather StatementLBFBrown, Rock50 min
Jul 7, 12:20 AM MDTSpecial Weather StatementLBFHolt, Rock40 min
Jul 7, 5:22 PM MDTSevere Thunderstorm WarningLBFChase53 min

Nearby

Tornado Warnings in Nebraska, 2016Every tornado warning in 2016Tornadoes in 2016

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.