Alert archive / Nebraska / Tornado Warnings in 2017

Tornado Warning 6, NWS North Platte, NE

June 13, 2017Brown County, Rock County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 13, 2017, 4:27 PM CDT for Brown County, Rock County, Nebraska. It was in force for 36 min. 4 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
Jun 13, 2017, 4:27 PM CDT (21:27 UTC)
Expired
Jun 13, 2017, 5:03 PM CDT
In force
36 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.75 in

Counties Brown County, NE, Rock County, NE

The radar

The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 21:26 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
Jun 13, 4:35 PM CDTHAIL 1.757 S Long Pine, NEHAIL FELL FOR 20 MINUTES
Jun 13, 4:45 PM CDTHAIL 4.2510 Sw Bassett, NEDELAYED REPORT. TIME ESTIMATED.
Jun 13, 4:50 PM CDTHAIL 1.75Newport, NEDELAYED REPORT.
Jun 13, 4:59 PM CDTHAIL 1.7510 E Bassett, NEHAS BEEN HAILING FOR 10 MINUTES

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 13, 3:13 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.5 hours before the alert went out and 180 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 2017-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1212 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2017-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1212 J/kg
Mixed-layer CIN
-415 J/kg
Mixed-layer LCL
1146 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

042 
WFUS53 KLBF 132127
TORLBF
NEC017-149-132215-
/O.NEW.KLBF.TO.W.0006.170613T2127Z-170613T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
Issued by National Weather Service Rapid City SD
427 PM CDT TUE JUN 13 2017

The National Weather Service in North Platte has issued a

* Tornado Warning for...
  Central Rock County in north central Nebraska...
  Eastern Brown County in north central Nebraska...

* Until 515 PM CDT
    
* At 426 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles south of Long Pine, or 14 miles south of
  Bassett, moving northeast at 35 mph.

  HAZARD...Tornado and baseball 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. 

* Locations impacted include...
  Bassett and Newport. 

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.

&&

LAT...LON 4273 9940 4249 9924 4228 9960 4238 9978
TIME...MOT...LOC 2126Z 219DEG 29KT 4238 9964 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

Helgeson
3 follow-up statements
630 
WWUS53 KLBF 132141
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
441 PM CDT TUE JUN 13 2017

NEC017-132150-
/O.CAN.KLBF.TO.W.0006.000000T0000Z-170613T2215Z/
Brown NE-
441 PM CDT TUE JUN 13 2017

...THE TORNADO WARNING FOR EASTERN BROWN COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CDT for north central
Nebraska.

LAT...LON 4273 9940 4249 9924 4234 9956 4250 9961
TIME...MOT...LOC 2140Z 235DEG 39KT 4246 9944 

$$

NEC149-132215-
/O.CON.KLBF.TO.W.0006.000000T0000Z-170613T2215Z/
Rock NE-
441 PM CDT TUE JUN 13 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR CENTRAL
ROCK COUNTY...
    
At 440 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles southeast of Bassett, moving northeast at 45 mph.

HAZARD...Tornado and baseball 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. 

Locations impacted include...
Bassett and Newport. 

This includes the following highways...
 Highway 183 between mile markers 167 and 182.
 Highway 20 between mile markers 260 and 271.

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.

&&

LAT...LON 4273 9940 4249 9924 4234 9956 4250 9961
TIME...MOT...LOC 2140Z 235DEG 39KT 4246 9944 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

JWS
005 
WWUS53 KLBF 132150
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
450 PM CDT TUE JUN 13 2017

NEC149-132215-
/O.CON.KLBF.TO.W.0006.000000T0000Z-170613T2215Z/
Rock NE-
450 PM CDT TUE JUN 13 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR CENTRAL
ROCK COUNTY...
    
At 450 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Newport, or 11 miles east of Bassett, moving
northeast at 30 mph.

HAZARD...Tornado and baseball 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. 

Locations impacted include...
Bassett and Newport. 

This includes the following highways...
 Highway 183 between mile markers 167 and 182.
 Highway 20 between mile markers 260 and 271.

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.

&&

LAT...LON 4273 9940 4249 9924 4234 9956 4250 9961
TIME...MOT...LOC 2150Z 222DEG 26KT 4252 9932 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

JWS
284 
WWUS53 KLBF 132203
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
503 PM CDT TUE JUN 13 2017

NEC149-132212-
/O.CAN.KLBF.TO.W.0006.000000T0000Z-170613T2215Z/
Rock NE-
503 PM CDT TUE JUN 13 2017

...THE TORNADO WARNING FOR CENTRAL ROCK COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CDT for north central
Nebraska.

Remember, a Tornado Warning still remains in effect for Northeastern 
Rock County until 545 PM CDT.

LAT...LON 4273 9940 4249 9924 4234 9956 4250 9961
TIME...MOT...LOC 2200Z 219DEG 29KT 4260 9924 

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:45 PM CDTSpecial Weather StatementLBFSheridan45 min
Jun 12, 7:57 PM CDTSevere Thunderstorm WarningLBFSheridan48 min
Jun 12, 8:43 PM CDTSevere Thunderstorm WarningLBFSheridan47 min
Jun 12, 9:00 PM CDTAreal Flood AdvisoryLBFSheridan60 min
Jun 12, 9:09 PM CDTSevere Thunderstorm WarningLBFSheridan51 min
Jun 12, 9:17 PM CDTSevere Thunderstorm WarningLBFSheridan58 min
Jun 12, 9:25 PM CDTSevere Thunderstorm WarningLBFSheridan29 min
Jun 12, 9:37 PM CDTTornado WarningLBFSheridan38 min
Jun 12, 10:04 PM CDTTornado WarningLBFSheridan41 min
Jun 12, 10:12 PM CDTAreal Flood AdvisoryLBFSheridan63 min
Jun 12, 10:18 PM CDTSevere Thunderstorm WarningLBFSheridan42 min
Jun 12, 10:44 PM CDTTornado WarningLBFCherry, Sheridan46 min
Jun 12, 10:54 PM CDTSevere Thunderstorm WarningLBFCherry, Sheridan66 min
Jun 12, 11:27 PM CDTTornado WarningLBFCherry48 min
Jun 12, 11:56 PM CDTSevere Thunderstorm WarningLBFCherry43 min
Jun 13, 9:41 AM CDTRiver Flood WarningLBFGarden, Keith5 days
Jun 13, 3:16 PM CDTSpecial Weather StatementLBFKeya Paha44 min
Jun 13, 3:42 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown, Rock48 min
Jun 13, 3:47 PM CDTSevere Thunderstorm WarningLBFKeya Paha, Rock43 min
Jun 13, 4:03 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer42 min
Jun 13, 4:25 PM CDTSevere Thunderstorm WarningLBFBrown, Rock35 min
Jun 13, 4:28 PM CDTSevere Thunderstorm WarningLBFBoyd, Keya Paha10 min
Jun 13, 4:32 PM CDTTornado WarningLBFBoyd, Keya Paha8 min
Jun 13, 4:43 PM CDTSevere Thunderstorm WarningLBFBlaine, Loup, Rock30 min
Jun 13, 4:45 PM CDTTornado WarningLBFBoyd, Holt, Keya Paha, Rock32 min
Jun 13, 4:55 PM CDTTornado WarningLBFHolt, Rock38 min
Jun 13, 5:07 PM CDTSevere Thunderstorm WarningLBFHolt, Rock38 min
Jun 13, 5:25 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt50 min
Jun 13, 5:35 PM CDTSevere Thunderstorm WarningLBFHolt, Rock30 min
Jun 13, 5:54 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt31 min
Jun 13, 6:26 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt19 min

Nearby

Tornado Warnings in Nebraska, 2017Every tornado warning in 2017Tornadoes in 2017

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.