Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 17, NWS North Platte, NE

June 16, 2011Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 16, 2011, 5:42 PM MDT for Cherry County, Nebraska. It was in force for 33 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 16, 2011, 5:42 PM MDT (23:42 UTC)
Expired
Jun 16, 2011, 6:15 PM MDT
In force
33 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 23:44 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 16, 1:55 PM MDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 11.7 hours before the alert went out and 170 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 12:00Z on 2011-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2011-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2064 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

868 
WFUS53 KLBF 162342
TORLBF
NEC031-170015-
/O.NEW.KLBF.TO.W.0017.110616T2342Z-110617T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
542 PM MDT THU JUN 16 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 615 PM MDT

* AT 540 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR HIGHWAY 61 CROSSING THE NIOBRARA RIVER...OR
  25 MILES EAST OF GORDON...AND MOVING NORTHEAST AT 15 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  HIGHWAY 61 CROSSING THE NIOBRARA RIVER AROUND 550 PM MDT.

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.

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

&&

LAT...LON 4296 10164 4279 10135 4270 10171 4275 10183
TIME...MOT...LOC 2343Z 232DEG 15KT 4276 10170

$$

JACOBS
2 follow-up statements
704 
WWUS53 KLBF 162358
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
658 PM CDT THU JUN 16 2011

NEC031-170015-
/O.CON.KLBF.TO.W.0017.000000T0000Z-110617T0015Z/
CHERRY NE-
558 PM MDT THU JUN 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL CHERRY
COUNTY UNTIL 615 PM MDT...

AT 555 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTHEAST OF HIGHWAY 61 CROSSING THE
NIOBRARA RIVER...OR 31 MILES EAST OF GORDON...MOVING NORTHEAST AT 15
MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTH CENTRAL
CHERRY COUNTY.

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.

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

&&

LAT...LON 4296 10164 4279 10135 4272 10164 4279 10174
TIME...MOT...LOC 2358Z 232DEG 15KT 4279 10158

$$

JACOBS
678 
WWUS53 KLBF 170016
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
716 PM CDT THU JUN 16 2011

NEC031-170026-
/O.EXP.KLBF.TO.W.0017.000000T0000Z-110617T0015Z/
CHERRY NE-
616 PM MDT THU JUN 16 2011

...THE TORNADO WARNING FOR NORTH CENTRAL CHERRY COUNTY HAS EXPIRED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.  HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

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

LAT...LON 4296 10164 4279 10135 4272 10164 4279 10174
TIME...MOT...LOC 2358Z 232DEG 15KT 4279 10158

$$

JACOBS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 3:40 AM MDTSevere Thunderstorm WarningLBFLincoln65 min
Jun 16, 4:03 PM MDTSevere Thunderstorm WarningLBFCherry42 min
Jun 16, 4:43 PM MDTSevere Thunderstorm WarningLBFCherry32 min
Jun 16, 4:59 PM MDTSevere Thunderstorm WarningLBFCherry, Garden, Sheridan61 min
Jun 16, 5:01 PM MDTSevere Thunderstorm WarningLBFCherry44 min
Jun 16, 5:19 PM MDTTornado WarningLBFCherry26 min
Jun 16, 5:29 PM MDTSevere Thunderstorm WarningLBFGarden, Grant, Sheridan46 min
Jun 16, 5:45 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan45 min

Nearby

Tornado Warnings in Nebraska, 2011Every tornado warning in 2011Tornadoes in 2011

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.