Alert archive / Nebraska / Tornado Warnings in 2017

Tornado Warning 5, NWS North Platte, NE

June 12, 2017Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 12, 2017, 10:27 PM MDT for Cherry County, Nebraska. It was in force for 48 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 12, 2017, 10:27 PM MDT (04:27 UTC)
Expired
Jun 12, 2017, 11:15 PM MDT
In force
48 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon

County Cherry County, NE

The radar

The North Platte radar (KLNX), 130 km from the middle of the area, began a volume at 04:30 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.

IssuedProductOfficeLasted
Jun 12, 5:35 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 4.5 hours before the alert went out and 173 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, Rapid City, SD at 00:00Z on 2017-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 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, Rapid City, SD at 00:00Z on 2017-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
421 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1755 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

690 
WFUS53 KLBF 130427
TORLBF
NEC031-130515-
/O.NEW.KLBF.TO.W.0005.170613T0427Z-170613T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
1027 PM MDT MON JUN 12 2017

The National Weather Service in North Platte NE has issued a

* Tornado Warning for...
  Northwestern Cherry County in north central Nebraska...

* Until 1115 PM MDT
    
* At 1027 PM MDT, Doppler radar indicated a severe thunderstorm
  capable of producing a tornado. This dangerous storm was located 19
  miles southeast of Gordon, and moving northeast at 25 mph.

* Locations impacted include...
  Highway 61 Crossing The Niobrara River and Intersection of Highway
  61 and Shadbolt Road.

This includes Highway 61 between mile markers 205 and 223.
 
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 in a mobile
home or outdoors, move to the closest substantial shelter and protect
yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4290 10171 4273 10143 4259 10185 4267 10196
TIME...MOT...LOC 0427Z 230DEG 23KT 4264 10189 

$$

CDC
2 follow-up statements
657 
WWUS53 KLBF 130450
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1050 PM MDT MON JUN 12 2017

NEC031-130515-
/O.CON.KLBF.TO.W.0005.000000T0000Z-170613T0515Z/
Cherry NE-
1050 PM MDT MON JUN 12 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM MDT FOR
NORTHWESTERN CHERRY COUNTY...
    
At 1049 PM MDT, Doppler radar indicated a severe thunderstorm capable
of producing a tornado. This dangerous storm was located 13 miles
south of Merriman, or 24 miles east of Gordon, moving northeast at 25
mph.

Locations impacted include...
Highway 61 Crossing The Niobrara River and Intersection of Highway 61
and Shadbolt Road.

This includes Highway 61 between mile markers 205 and 223.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4290 10171 4273 10143 4263 10173 4274 10188
TIME...MOT...LOC 0449Z 230DEG 23KT 4273 10174 

$$

CDC
878 
WWUS53 KLBF 130514
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1114 PM MDT MON JUN 12 2017

NEC031-130524-
/O.EXP.KLBF.TO.W.0005.000000T0000Z-170613T0515Z/
Cherry NE-
1114 PM MDT MON JUN 12 2017

...THE TORNADO WARNING FOR NORTHWESTERN CHERRY COUNTY WILL EXPIRE AT
1115 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears to be capable of producing a tornado.
Therefore the warning will be allowed to expire. However small hail
is still possible with this thunderstorm.

LAT...LON 4290 10171 4273 10143 4263 10173 4274 10188
TIME...MOT...LOC 0514Z 230DEG 23KT 4283 10158 

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 6:45 PM MDTSpecial Weather StatementLBFSheridan45 min
Jun 12, 6:57 PM MDTSevere Thunderstorm WarningLBFSheridan48 min
Jun 12, 7:43 PM MDTSevere Thunderstorm WarningLBFSheridan47 min
Jun 12, 8:00 PM MDTAreal Flood AdvisoryLBFSheridan60 min
Jun 12, 8:09 PM MDTSevere Thunderstorm WarningLBFSheridan51 min
Jun 12, 8:17 PM MDTSevere Thunderstorm WarningLBFSheridan58 min
Jun 12, 8:25 PM MDTSevere Thunderstorm WarningLBFSheridan29 min
Jun 12, 8:37 PM MDTTornado WarningLBFSheridan38 min
Jun 12, 9:04 PM MDTTornado WarningLBFSheridan41 min
Jun 12, 9:12 PM MDTAreal Flood AdvisoryLBFSheridan63 min
Jun 12, 9:18 PM MDTSevere Thunderstorm WarningLBFSheridan42 min
Jun 12, 9:44 PM MDTTornado WarningLBFCherry, Sheridan46 min
Jun 12, 9:54 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan66 min
Jun 12, 10:56 PM MDTSevere Thunderstorm WarningLBFCherry43 min
Jun 13, 8:41 AM MDTRiver Flood WarningLBFGarden, Keith5 days
Jun 13, 2:16 PM MDTSpecial Weather StatementLBFKeya Paha44 min
Jun 13, 2:42 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Rock48 min
Jun 13, 2:47 PM MDTSevere Thunderstorm WarningLBFKeya Paha, Rock43 min
Jun 13, 3:03 PM MDTSevere Thunderstorm WarningLBFBlaine, Custer42 min
Jun 13, 3:25 PM MDTSevere Thunderstorm WarningLBFBrown, Rock35 min
Jun 13, 3:27 PM MDTTornado WarningLBFBrown, Rock36 min
Jun 13, 3:28 PM MDTSevere Thunderstorm WarningLBFBoyd, Keya Paha10 min
Jun 13, 3:32 PM MDTTornado WarningLBFBoyd, Keya Paha8 min
Jun 13, 3:43 PM MDTSevere Thunderstorm WarningLBFBlaine, Loup, Rock30 min
Jun 13, 3:45 PM MDTTornado WarningLBFBoyd, Holt, Keya Paha, Rock32 min
Jun 13, 3:55 PM MDTTornado WarningLBFHolt, Rock38 min
Jun 13, 4:07 PM MDTSevere Thunderstorm WarningLBFHolt, Rock38 min
Jun 13, 4:25 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt50 min
Jun 13, 4:35 PM MDTSevere Thunderstorm WarningLBFHolt, Rock30 min
Jun 13, 4:54 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt31 min
Jun 13, 5:26 PM MDTSevere 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.