Alert archive / Nebraska / Tornado Warnings in 2015

Tornado Warning 2, NWS North Platte, NE

May 15, 2015Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this tornado warning at May 15, 2015, 7:40 PM MDT for Cherry County, Sheridan County, Nebraska. It was in force for 35 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: May 15, 2015, 7:40 PM MDT (01:40 UTC)
Expired: May 15, 2015, 8:15 PM MDT
In force: 35 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Observed
Hail: 1.25 in

Counties Cherry County, NE, Sheridan County, NE

The radar

The Rapid City radar (KUDX), 143 km from the middle of the area, began a volume at 01:43 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.

Issued	Product	Office	Lasted
May 15, 12:58 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 1.7 hours before the alert went out and 139 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: 489 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

265 
WFUS53 KLBF 160140
TORLBF
NEC031-161-160215-
/O.NEW.KLBF.TO.W.0002.150516T0140Z-150516T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
740 PM MDT FRI MAY 15 2015

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTHEASTERN SHERIDAN COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 815 PM MDT

* AT 738 PM MDT...A CONFIRMED TORNADO WAS LOCATED 7 MILES NORTHEAST
  OF GORDON...AND MOVING NORTH AT 20 MPH.

  HAZARD...DAMAGING TORNADO AND HALF DOLLAR 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.

* THE TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN SHERIDAN
  AND NORTHWESTERN CHERRY COUNTIES...INCLUDING THE FOLLOWING
  LOCATIONS...SHELL LAKE STATE WILDLIFE MANAGEMENT AREA AND HOOVER
  LAKE.

THIS INCLUDES HIGHWAY 20 BETWEEN MILE MARKERS 107 AND 117.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

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 4300 10208 4300 10203 4281 10195 4277 10216
      4300 10231 4300 10230 4301 10209
TIME...MOT...LOC 0140Z 165DEG 16KT 4286 10208

TORNADO...OBSERVED
HAIL...1.25IN

$$

STOPPKOTTE

3 follow-up statements

092 
WWUS53 KLBF 160151
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
851 PM CDT FRI MAY 15 2015

NEC031-161-160215-
/O.CON.KLBF.TO.W.0002.000000T0000Z-150516T0215Z/
SHERIDAN NE-CHERRY NE-
751 PM MDT FRI MAY 15 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN CHERRY AND
NORTHEASTERN SHERIDAN COUNTIES UNTIL 815 PM MDT...

AT 747 PM MDT...A CONFIRMED TORNADO WAS LOCATED 9 MILES NORTHEAST OF
GORDON...AND MOVING NORTH AT 30 MPH.

HAZARD...DAMAGING TORNADO AND HALF DOLLAR 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 STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
SHERIDAN AND NORTHWESTERN CHERRY COUNTIES...INCLUDING THE FOLLOWING
LOCATIONS...HOOVER LAKE.

THIS INCLUDES HIGHWAY 20 BETWEEN MILE MARKERS 108 AND 116.

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 4300 10208 4300 10203 4281 10195 4277 10216
      4300 10231 4300 10230 4301 10209
TIME...MOT...LOC 0150Z 171DEG 24KT 4294 10210

TORNADO...OBSERVED
HAIL...1.25IN

$$

STOPPKOTTE

609 
WWUS53 KLBF 160203
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
803 PM MDT FRI MAY 15 2015

NEC031-161-160215-
/O.CON.KLBF.TO.W.0002.000000T0000Z-150516T0215Z/
SHERIDAN NE-CHERRY NE-
803 PM MDT FRI MAY 15 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR EXTREME NORTHWESTERN
CHERRY AND NORTHEASTERN SHERIDAN COUNTIES UNTIL 815 PM MDT...

AT 759 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 12 MILES NORTHEAST OF GORDON...AND MOVING NORTH AT 20
MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

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 DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EXTREME
NORTHWESTERN CHERRY AND NORTHEASTERN SHERIDAN COUNTIES.

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 4300 10208 4300 10203 4292 10200 4285 10220
      4300 10231 4301 10209
TIME...MOT...LOC 0202Z 173DEG 17KT 4298 10209

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

STOPPKOTTE

502 
WWUS53 KLBF 160216
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
916 PM CDT FRI MAY 15 2015

NEC031-161-160226-
/O.EXP.KLBF.TO.W.0002.000000T0000Z-150516T0215Z/
SHERIDAN NE-CHERRY NE-
816 PM MDT FRI MAY 15 2015

...THE TORNADO WARNING FOR EXTREME NORTHWESTERN CHERRY AND
NORTHEASTERN SHERIDAN COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.  HOWEVER...HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT.

LAT...LON 4300 10208 4300 10203 4292 10200 4285 10220
      4300 10231 4301 10209
TIME...MOT...LOC 0203Z 173DEG 17KT 4298 10209

$$

STOPPKOTTE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 6:00 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	45 min
May 15, 6:16 PM MDT	Severe Thunderstorm Warning	LBF	Garden	44 min
May 15, 6:47 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	43 min
May 15, 7:18 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Garden, Keith	42 min
May 15, 7:20 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	40 min
May 15, 7:20 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	40 min
May 15, 7:21 PM MDT	Severe Thunderstorm Warning	LBF	Keith, Perkins	39 min
May 15, 7:54 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Grant, Keith	51 min
May 15, 7:58 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	47 min
May 15, 8:01 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, Perkins	44 min
May 15, 8:38 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	52 min
May 15, 8:45 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Grant, Hooker, Keith, Lincoln, McPherson	45 min
May 15, 9:12 PM MDT	Tornado Warning Tornado observed	LBF	Cherry, Sheridan	33 min
May 15, 9:21 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Lincoln, Logan, Thomas	39 min
May 15, 9:30 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Cherry, Grant, Hooker, Keith, McPherson	45 min
May 15, 10:18 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker	42 min
May 16, 5:18 PM MDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	42 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.