Alert archive / Nebraska / Tornado Warnings in 2015

Tornado Warning 14, NWS North Platte, NE

September 9, 2015Garfield County, Loup County, Nebraska

NWS North Platte, NE issued this tornado warning at Sep 9, 2015, 5:06 PM CDT for Garfield County, Loup County, Nebraska. It was in force for 39 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 9, 2015, 5:06 PM CDT (22:06 UTC)
Expired
Sep 9, 2015, 5:45 PM CDT
In force
39 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Garfield County, NE, Loup County, NE

The radar

The North Platte radar (KLNX), 113 km from the middle of the area, began a volume at 22:06 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.

What was reported inside it

TimeReportWhereRemark
Sep 9, 5:20 PM CDTHAIL 1.7511 Nw Burwell, NEGOLF BALL SIZE HAIL REPORTED AND LARGE LIMB DOWNED DUE TO WIND
Sep 9, 5:50 PM CDTHAIL 1.75Burwell, NEHAIL LASTED ABOUT 5 MINUTES

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.1 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2015-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 463 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 12:00Z on 2015-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 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
463 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
850 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

697 
WFUS53 KLBF 092206
TORLBF
NEC071-115-092245-
/O.NEW.KLBF.TO.W.0014.150909T2206Z-150909T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
506 PM CDT WED SEP 9 2015

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN GARFIELD COUNTY IN NORTH CENTRAL NEBRASKA...
  SOUTHEASTERN LOUP COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 545 PM CDT
    
* AT 505 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR CALAMUS RESERVOIR STATE RECREATION AREA...
  OR 11 MILES NORTHEAST OF TAYLOR...MOVING SOUTHEAST AT 15 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 BE NEAR...
  CALAMUS RESERVOIR STATE RECREATION AREA AROUND 525 PM CDT.
  BURWELL AROUND 545 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE NUNDA
SHOAL CAMPGROUND...HANNAMON BAYOU CAMPGROUND...DEVERRE...HORSESHOE
BEND LAKE...VALLEY VIEW FLAT CAMPGROUND...KENT DIVERSION DAM STATE
WILDLIFE MANAGEMENT AREA...VIRGINIA SMITH DAM AND HOMESTEAD KNLLS
CAMPGROUND.

THIS INCLUDES HIGHWAY 183 BETWEEN MILE MARKERS 129 AND 136.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.

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 ON OR NEAR CALAMUS RESERVOIR...GET AWAY FROM THE WATER AND MOVE 
TO SAFE SHELTER IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE 
ENOUGH TO BE STRUCK BY LIGHTNING. SEVERE THUNDERSTORMS CAN PRODUCE 
LARGE CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO 
DOCK AND SEEK SAFE SHELTER NOW. DO NOT BE CAUGHT ON THE WATER IN A 
THUNDERSTORM.

&&

LAT...LON 4174 9918 4174 9929 4191 9944 4203 9927
      4188 9898
TIME...MOT...LOC 2205Z 315DEG 11KT 4192 9929 

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

$$

BUTTLER
1 follow-up statement
473 
WWUS53 KLBF 092226
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
526 PM CDT WED SEP 9 2015

NEC071-115-092245-
/O.CON.KLBF.TO.W.0014.000000T0000Z-150909T2245Z/
GARFIELD NE-LOUP NE-
526 PM CDT WED SEP 9 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN GARFIELD AND SOUTHEASTERN LOUP COUNTIES...
    
AT 524 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER CALAMUS RESERVOIR STATE RECREATION AREA...OR 8 MILES
NORTHEAST OF TAYLOR...MOVING SOUTHEAST 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHWESTERN GARFIELD AND SOUTHEASTERN LOUP COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS...NUNDA SHOAL CAMPGROUND...HANNAMON BAYOU
CAMPGROUND...DEVERRE...HORSESHOE BEND LAKE...VALLEY VIEW FLAT
CAMPGROUND...KENT DIVERSION DAM STATE WILDLIFE MANAGEMENT AREA...
VIRGINIA SMITH DAM AND HOMESTEAD KNLLS CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 ON OR NEAR CALAMUS RESERVOIR...GET AWAY FROM THE WATER AND MOVE 
TO SAFE SHELTER IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE 
ENOUGH TO BE STRUCK BY LIGHTNING. SEVERE THUNDERSTORMS CAN PRODUCE 
LARGE CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO 
DOCK AND SEEK SAFE SHELTER NOW. DO NOT BE CAUGHT ON THE WATER IN A 
THUNDERSTORM.

&&

LAT...LON 4174 9918 4174 9929 4191 9944 4203 9927
      4188 9898
TIME...MOT...LOC 2224Z 332DEG 18KT 4186 9927 

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

$$

BUTTLER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 11:22 AM CDTSpecial Weather StatementLBFCuster38 min
Sep 9, 2:50 PM CDTSpecial Weather StatementLBFGarfield, Wheeler40 min
Sep 9, 2:53 PM CDTSpecial Weather StatementLBFBrown, Holt, Rock52 min
Sep 9, 3:06 PM CDTSevere Thunderstorm WarningLBFHolt, Rock24 min
Sep 9, 3:24 PM CDTSevere Thunderstorm WarningLBFHolt15 min
Sep 9, 3:31 PM CDTSpecial Weather StatementLBFFrontier44 min
Sep 9, 3:32 PM CDTAreal Flood AdvisoryLBFHolt3 hr
Sep 9, 3:50 PM CDTSpecial Weather StatementLBFRock55 min
Sep 9, 3:57 PM CDTSevere Thunderstorm WarningLBFFrontier37 min
Sep 9, 4:02 PM CDTSevere Thunderstorm WarningLBFGarfield, Holt, Loup, Rock58 min
Sep 9, 4:48 PM CDTSevere Thunderstorm WarningLBFHolt, Wheeler57 min
Sep 9, 4:49 PM CDTSpecial Weather StatementLBFValley41 min
Sep 9, 5:02 PM CDTSevere Thunderstorm WarningLBFGarfield, Loup58 min
Sep 9, 5:14 PM CDTSpecial Weather StatementLBFValley46 min
Sep 9, 5:34 PM CDTSpecial Weather StatementLBFWheeler41 min
Sep 9, 5:45 PM CDTTornado WarningLBFGarfield19 min

Nearby

Tornado Warnings in Nebraska, 2015Every tornado warning in 2015Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.