Alert archive / Nebraska / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 142, NWS North Platte, NE

June 24, 2011Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 24, 2011, 6:54 PM MDT for Cherry County, Nebraska. It was in force for 51 min. 5 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 24, 2011, 6:54 PM MDT (00:54 UTC)
Expired: Jun 24, 2011, 7:45 PM MDT
In force: 51 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 98 km from the middle of the area, began a volume at 00:55 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 24, 6:55 PM MDT	TSTM WND GST 60	27 S Merriman, NE	ESTIMATED 60 MILE PER HOUR WIND GUSTS WITH PENNY SIZE HAIL.
Jun 24, 7:00 PM MDT	TSTM WND GST 70	35 Sse Merriman, NE	ESTIMATED 70 MILE PER HOUR WIND GUST WITH A TREE BLOWN OVER AND 5 TO 6 INCH BRANCHES SNAPPED OFF.
Jun 24, 7:04 PM MDT	TSTM WND GST 70	36 Sse Merriman, NE
Jun 24, 7:20 PM MDT	TSTM WND GST 60	12 N Hyannis, NE
Jun 24, 7:41 PM MDT	HAIL 1	28 S Merriman, NE

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 24, 5:46 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.9 hours before the alert went out and 178 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: 1879 J/kg
Mixed-layer CIN: -188 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 214 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 9.9

Open this sounding in Storm Lab

The text

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

485 
WUUS53 KLBF 250054
SVRLBF
NEC031-250145-
/O.NEW.KLBF.SV.W.0142.110625T0054Z-110625T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
654 PM MDT FRI JUN 24 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 745 PM MDT

* AT 650 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PING PONG BALL
  SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM MERRIMAN TO HIGHWAY 61
  CROSSING THE SNAKE RIVER TO MOTHER LAKE...AND MOVING EAST AT 40
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ROUND LAKE AROUND 705 PM MDT.
  WHITMAN ROAD CROSSING THE NORTH BRANCH OF THE MIDDLE LOUP RIVER
  AROUND 710 PM MDT.
  MEDICINE LAKE AND ELI AROUND 715 PM MDT.
  SPECKEL MEIR LAKE AROUND 720 PM MDT.
  SCHOOLHOUSE LAKE AROUND 730 PM MDT.
  STEER CREEK CAMPGROUND AROUND 735 PM MDT.
  NENZEL AROUND 740 PM MDT.
  HIGHWAY 97 CROSSING THE NORTH LOUP RIVER AND HIGHWAY 97 CROSSING
  BIG CREEK AROUND 745 PM MDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE CODY
AND HIGHWAY 97 MILE MARKER 80.

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 4300 10098 4262 10095 4212 10094 4211 10186
      4256 10182 4300 10186
TIME...MOT...LOC 0054Z 265DEG 34KT 4294 10173 4257 10169
          4218 10171
WIND...HAIL 60MPH 1.50IN

$$

BUTTLER

2 follow-up statements

234 
WWUS53 KLBF 250120
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
820 PM CDT FRI JUN 24 2011

NEC031-250145-
/O.CON.KLBF.SV.W.0142.000000T0000Z-110625T0145Z/
CHERRY NE-
720 PM MDT FRI JUN 24 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL CHERRY
COUNTY UNTIL 745 PM MDT...

AT 714 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM ELI TO 10 MILES SOUTH OF MEDICINE
LAKE TO 7 MILES SOUTH OF INTERSECTION OF HIGHWAY 61 AND SURVEY VALLEY
ROAD...MOVING EAST AT 40 MPH.

IN ADDITION...AT 800 PM CDT A WIND GUST TO 70 MPH WAS REPORTED 35 
MILES SOUTHEAST OF MERRIMAN WITH THESE STORMS.

SEVERE THUNDERSTORMS WILL BE NEAR...
  WHITMAN ROAD CROSSING THE NORTH BRANCH OF THE MIDDLE LOUP RIVER
  AROUND 725 PM MDT.
  SCHOOLHOUSE LAKE AROUND 730 PM MDT.
  STEER CREEK CAMPGROUND AND SPECKEL MEIR LAKE AROUND 735 PM MDT.
  NENZEL AROUND 740 PM MDT.

OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE CODY.

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.

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

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4300 10098 4262 10095 4212 10094 4211 10186
      4256 10182 4300 10186
TIME...MOT...LOC 0118Z 265DEG 34KT 4296 10142 4259 10138
          4224 10163
WIND...HAIL 70MPH 1.00IN

$$

JACOBS

346 
WWUS53 KLBF 250149
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
849 PM CDT FRI JUN 24 2011

NEC031-250159-
/O.EXP.KLBF.SV.W.0142.000000T0000Z-110625T0145Z/
CHERRY NE-
749 PM MDT FRI JUN 24 2011

...THE SEVERE THUNDERSTORM WARNING FOR  WEST CENTRAL CHERRY COUNTY 
HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.

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

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
CENTRAL CHERRY COUNTY UNTIL 915 PM CDT.

LAT...LON 4300 10098 4262 10095 4212 10094 4211 10186
      4256 10182 4300 10186
TIME...MOT...LOC 0120Z 265DEG 34KT 4296 10139 4259 10135
          4224 10160

$$

JACOBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:13 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Garden, Grant, Hooker, Sheridan	47 min
Jun 24, 7:37 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	38 min
Jun 24, 7:53 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Hooker	52 min
Jun 24, 8:06 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Keith	39 min
Jun 24, 8:06 PM MDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha	39 min
Jun 24, 8:40 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith	50 min
Jun 25, 12:45 AM MDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes, Lincoln	60 min
Jun 25, 1:44 AM MDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	46 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.