Alert archive / Nebraska / Tornado Warnings in 2015

Tornado Warning 7, NWS North Platte, NE

June 14, 2015Custer County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 14, 2015, 12:35 PM CDT for Custer County, Nebraska. It was in force for 25 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 14, 2015, 12:35 PM CDT (17:35 UTC)
Expired: Jun 14, 2015, 1:00 PM CDT
In force: 25 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

County Custer County, NE

The radar

The North Platte radar (KLNX), 64 km from the middle of the area, began a volume at 17:35 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, 5.6 hours before the alert went out and 75 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: 452 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 949 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: -4 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.

076 
WFUS53 KLBF 141735
TORLBF
NEC041-141800-
/O.NEW.KLBF.TO.W.0007.150614T1735Z-150614T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1235 PM CDT SUN JUN 14 2015

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA...

* UNTIL 100 PM CDT

* AT 1235 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR ANSELMO...AND
  MOVING WEST AT 5 MPH.

  HAZARD...TORNADO.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

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

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTH CENTRAL CUSTER
  COUNTY.

THIS INCLUDES HIGHWAY 2 BETWEEN MILE MARKERS 249 AND 263.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4156 10013 4173 9999 4169 9971 4149 9987
TIME...MOT...LOC 1735Z 110DEG 3KT 4161 9995

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

$$

TAYLOR

1 follow-up statement

708 
WWUS53 KLBF 141802
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
102 PM CDT SUN JUN 14 2015

NEC041-141812-
/O.EXP.KLBF.TO.W.0007.000000T0000Z-150614T1800Z/
CUSTER NE-
102 PM CDT SUN JUN 14 2015

...THE TORNADO WARNING FOR NORTH CENTRAL CUSTER COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM.

LAT...LON 4156 10013 4173 9999 4169 9971 4149 9987
TIME...MOT...LOC 1735Z 110DEG 3KT 4161 9995

$$

TAYLOR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 12:27 PM CDT	Tornado Warning Tornado observed	LBF	Lincoln	33 min
Jun 14, 2:18 PM CDT	Severe Thunderstorm Warning	LBF	Grant	42 min
Jun 14, 2:54 PM CDT	Severe Thunderstorm Warning	LBF	Grant	51 min
Jun 14, 3:58 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Grant, Hooker	47 min
Jun 14, 4:29 PM CDT	Severe Thunderstorm Warning	LBF	Arthur	46 min
Jun 14, 5:16 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	34 min
Jun 14, 5:42 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Rock	48 min
Jun 14, 6:52 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Perkins	38 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; radar from the NEXRAD Level II archive.