Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 14, NWS North Platte, NE

June 13, 2011Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 13, 2011, 5:48 PM MDT for Cherry County, Nebraska. It was in force for 27 min. 1 report 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, 2011, 5:48 PM MDT (23:48 UTC)
Expired: Jun 13, 2011, 6:15 PM MDT
In force: 27 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon

County Cherry County, NE

The radar

The North Platte radar (KLNX), 69 km from the middle of the area, began a volume at 23:51 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

Time	Report	Where	Remark
Jun 13, 6:00 PM MDT	TORNADO	38 Nne Whitman, NE	BRIEF TORNADO TOUCHDOWN WITH AN ESTIMATED LOCATION AND TIME.

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.

Issued	Product	Office	Lasted
Jun 13, 4:24 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.8 hours before the alert went out and 149 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: 2140 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 486 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

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

355 
WFUS53 KLBF 132348
TORLBF
NEC031-140015-
/O.NEW.KLBF.TO.W.0014.110613T2348Z-110614T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
548 PM MDT MON JUN 13 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 615 PM MDT

* AT 547 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 11
  MILES SOUTH OF SCHOOLHOUSE LAKE...OR 35 MILES NORTH OF MULLEN.
  DOPPLER RADAR SHOWED THIS TORNADO MOVING SOUTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HIGHWAY 97 CROSSING BIG CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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.

&&

LAT...LON 4230 10099 4228 10130 4257 10133 4259 10116
TIME...MOT...LOC 2348Z 345DEG 13KT 4252 10123

$$

SCHULTZ

1 follow-up statement

123 
WWUS53 KLBF 132358
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
658 PM CDT MON JUN 13 2011

NEC031-140015-
/O.CON.KLBF.TO.W.0014.000000T0000Z-110614T0015Z/
CHERRY NE-
558 PM MDT MON JUN 13 2011

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

AT 557 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 12 MILES SOUTH OF SCHOOLHOUSE LAKE...OR 34 MILES 
NORTH OF MULLEN...MOVING SOUTH AT 15 MPH.

THIS STORM PRODUCED A CONFIRMED TORNADO 11 MILES SOUTH OF SCHOOLHOUSE
LAKE AT 547 PM MDT.

LOCATIONS IMPACTED INCLUDE...
  HIGHWAY 97 CROSSING BIG CREEK.

LARGE DESTRUCTIVE HAIL UP TO TENNIS BALL SIZE AND DAMAGING WINDS IN
EXCESS OF 60 MPH ARE ALSO EXPECTED WITH THIS STORM.

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.

&&

LAT...LON 4230 10099 4228 10130 4257 10133 4259 10116
TIME...MOT...LOC 2357Z 345DEG 13KT 4249 10124

$$
SCHULTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 12:37 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	38 min
Jun 13, 1:15 AM MDT	Severe Thunderstorm Warning	LBF	Cherry, Keya Paha	45 min
Jun 13, 5:04 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	41 min
Jun 13, 5:39 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	51 min

Nearby

Tornado Warnings in Nebraska, 2011 Every tornado warning in 2011 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.