Alert archive / Nebraska / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 55, NWS North Platte, NE

June 13, 2011Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 13, 2011, 12:37 AM MDT for Cherry County, Nebraska. It was in force for 38 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: Jun 13, 2011, 12:37 AM MDT (06:37 UTC)
Expired: Jun 13, 2011, 1:15 AM MDT
In force: 38 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 107 km from the middle of the area, began a volume at 06:38 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, 12:45 AM MDT	HAIL 0.25	16 Wnw Valentine, NE
Jun 13, 1:00 AM MDT	HAIL 0.25	8 N Valentine, NE

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 00:00Z, 6.6 hours before the alert went out and 199 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: 992 J/kg
Mixed-layer CIN: -163 J/kg
Mixed-layer LCL: 1790 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

018 
WUUS53 KLBF 130637
SVRLBF
NEC031-130715-
/O.NEW.KLBF.SV.W.0055.110613T0637Z-110613T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
137 AM CDT MON JUN 13 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 215 AM CDT/115 AM MDT/

* AT 133 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR KILGORE...OR 17 MILES WEST
  OF VALENTINE...AND MOVING EAST AT 30 MPH. NICKEL SIZE HAIL MAY ALSO
  ACCOMPANY THESE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  VALENTINE...CROOKSTON...SMITH FALLS STATE PARK...SPARKS...HIGHWAY
  83 MILE MARKER 220 AND HIGHWAY 12 MILE MARKER 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4285 10022 4281 10115 4299 10112 4301 10106
      4301 10029
TIME...MOT...LOC 0637Z 264DEG 28KT 4295 10083
WIND...HAIL 60MPH 0.88IN

$$

SPRINGER

1 follow-up statement

579 
WWUS53 KLBF 130655
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
155 AM CDT MON JUN 13 2011

NEC031-130715-
/O.CON.KLBF.SV.W.0055.000000T0000Z-110613T0715Z/
CHERRY NE-
155 AM CDT MON JUN 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
CHERRY COUNTY UNTIL 215 AM CDT/115 AM MDT/...

AT 152 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
CROOKSTON...OR 13 MILES NORTHWEST OF VALENTINE...MOVING EAST AT 15
MPH.

LOCATIONS IMPACTED INCLUDE...
  VALENTINE...CROOKSTON...SMITH FALLS STATE PARK...SPARKS...HIGHWAY
  83 MILE MARKER 220 AND HIGHWAY 12 MILE MARKER 10.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4285 10022 4281 10115 4299 10112 4301 10106
      4301 10029
TIME...MOT...LOC 0655Z 270DEG 14KT 4295 10078
WIND...HAIL 70MPH 1.00IN

$$

SPRINGER

The office that day

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

Issued	Product	Office	Counties	Lasted
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
Jun 13, 5:48 PM MDT	Tornado Warning	LBF	Cherry	27 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2011 Every severe thunderstorm warning 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.