Alert archive / Nebraska / Tornado Warnings in 2015

Tornado Warning 10, NWS North Platte, NE

July 26, 2015Cherry County, Keya Paha County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 26, 2015, 5:38 PM MDT for Cherry County, Keya Paha County, Nebraska. It was in force for 37 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 26, 2015, 5:38 PM MDT (23:38 UTC)
Expired: Jul 26, 2015, 6:15 PM MDT
In force: 37 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

Counties Cherry County, NE, Keya Paha County, NE

The radar

The North Platte radar (KLNX), 112 km from the middle of the area, began a volume at 23:42 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
Jul 26, 1:07 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.6 hours before the alert went out and 203 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: 1176 J/kg
Mixed-layer CIN: -257 J/kg
Mixed-layer LCL: 1424 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 35 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.

550 
WFUS53 KLBF 262338
TORLBF
NEC031-103-270015-
/O.NEW.KLBF.TO.W.0010.150726T2338Z-150727T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
638 PM CDT SUN JUL 26 2015

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE  HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN KEYA PAHA COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTHEASTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 715 PM CDT

* AT 638 PM CDT...A CONFIRMED TORNADO WAS LOCATED 7 MILES SOUTHEAST
  OF LITTLEBURG...OR 11 MILES NORTHEAST OF VALENTINE...MOVING EAST AT
  20 MPH.

  HAZARD...DAMAGING TORNADO. 

  SOURCE...LAW ENFORCEMENT 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
  NORTHWESTERN KEYA PAHA AND NORTHEASTERN CHERRY COUNTIES...INCLUDING
  THE FOLLOWING LOCATIONS...SPARKS.

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 4289 10005 4288 10006 4293 10041 4293 10043
      4299 10042 4300 10003
TIME...MOT...LOC 2338Z 268DEG 19KT 4297 10036 

TORNADO...OBSERVED
HAIL...0.00IN

$$

JACOBS

2 follow-up statements

316 
WWUS53 KLBF 262356
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
656 PM CDT SUN JUL 26 2015

NEC031-103-270015-
/O.CON.KLBF.TO.W.0010.000000T0000Z-150727T0015Z/
KEYA PAHA NE-CHERRY NE-
656 PM CDT SUN JUL 26 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHWESTERN KEYA PAHA AND NORTHEASTERN CHERRY COUNTIES...
    
AT 656 PM CDT...A CONFIRMED TORNADO WAS LOCATED 8 MILES SOUTH OF
KEYAPAHA...OR 20 MILES EAST OF VALENTINE...MOVING EAST AT 20 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...LAW ENFORCEMENT 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
NORTHWESTERN KEYA PAHA AND NORTHEASTERN CHERRY 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.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4289 10005 4289 10007 4294 10023 4299 10026
      4300 10003
TIME...MOT...LOC 2356Z 266DEG 27KT 4298 10018 

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

$$

JACOBS

701 
WWUS53 KLBF 270016
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
716 PM CDT SUN JUL 26 2015

NEC031-103-270025-
/O.EXP.KLBF.TO.W.0010.000000T0000Z-150727T0015Z/
KEYA PAHA NE-CHERRY NE-
716 PM CDT SUN JUL 26 2015

...THE TORNADO WARNING FOR NORTHWESTERN KEYA PAHA AND NORTHEASTERN
CHERRY COUNTIES HAS EXPIRED...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN 
LIKELY AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE 
AREA.

 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT 
FOR NORTH CENTRAL NEBRASKA.

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

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
WESTERN KEYA PAHA COUNTY UNTIL 745 PM CDT.

LAT...LON 4289 10005 4289 10007 4294 10023 4299 10026
      4300 10003
TIME...MOT...LOC 0011Z 268DEG 19KT 4298 10018 

$$

JACOBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 1:45 PM MDT	Special Weather Statement	LBF	Garden	45 min
Jul 26, 2:03 PM MDT	Severe Thunderstorm Warning	LBF	Garden	27 min
Jul 26, 2:10 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	35 min
Jul 26, 2:13 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	47 min
Jul 26, 2:30 PM MDT	Severe Thunderstorm Warning	LBF	Garden	30 min
Jul 26, 2:59 PM MDT	Severe Thunderstorm Warning	LBF	Garden	31 min
Jul 26, 3:12 PM MDT	Areal Flood Advisory	LBF	Cherry, Sheridan	3 hr
Jul 26, 3:14 PM MDT	Special Weather Statement	LBF	Cherry	31 min
Jul 26, 4:42 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker, Thomas	48 min
Jul 26, 5:04 PM MDT	Special Weather Statement	LBF	Deuel	41 min
Jul 26, 5:06 PM MDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha	24 min
Jul 26, 5:13 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Deuel, Garden, Keith	47 min
Jul 26, 5:20 PM MDT	Special Weather Statement	LBF	Chase, Perkins	40 min
Jul 26, 5:44 PM MDT	Special Weather Statement	LBF	Keya Paha	46 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.