Alert archive / Nebraska / Tornado Warnings in 2013

Tornado Warning 9, NWS North Platte, NE

May 26, 2013Blaine County, Nebraska

NWS North Platte, NE issued this tornado warning at May 26, 2013, 8:03 PM CDT for Blaine County, Nebraska. It was in force for 42 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: May 26, 2013, 8:03 PM CDT (01:03 UTC)
Expired: May 26, 2013, 8:45 PM CDT
In force: 42 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Blaine County, NE

The radar

The North Platte radar (KLNX), 57 km from the middle of the area, began a volume at 01:03 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
May 26, 8:10 PM CDT	HAIL 1.5	14 Ne Dunning, NE
May 26, 8:45 PM CDT	HAIL 1.75	4 N Brewster, 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
May 26, 7:33 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 112 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: 2761 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1882 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 16.7

Open this sounding in Storm Lab

The text

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

362 
WFUS53 KLBF 270103
TORLBF
NEC009-270145-
/O.NEW.KLBF.TO.W.0009.130527T0103Z-130527T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
803 PM CDT SUN MAY 26 2013

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BLAINE COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 845 PM CDT

* AT 759 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES WEST OF BREWSTER...AND MOVING EAST AT
  10 MPH.

  HAZARD...DEVELOPING TORNADO AND GOLF BALL SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  BREWSTER.

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 4189 9970 4191 10009 4204 10013 4209 9993
      4208 9975
TIME...MOT...LOC 0103Z 257DEG 10KT 4197 9999

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

BROOKS

2 follow-up statements

143 
WWUS53 KLBF 270121
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
821 PM CDT SUN MAY 26 2013

NEC009-270145-
/O.CON.KLBF.TO.W.0009.000000T0000Z-130527T0145Z/
BLAINE NE-
821 PM CDT SUN MAY 26 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN BLAINE COUNTY
UNTIL 845 PM CDT...

AT 817 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTHWEST OF BREWSTER...AND MOVING EAST AT 10
MPH.

HAZARD...DEVELOPING TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
BREWSTER.

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 4208 9975 4189 9970 4191 10004 4205 10008
      4209 9993
TIME...MOT...LOC 0121Z 272DEG 11KT 4197 9994

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

BROOKS

689 
WWUS53 KLBF 270146
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
846 PM CDT SUN MAY 26 2013

NEC009-270157-
/O.EXP.KLBF.TO.W.0009.000000T0000Z-130527T0145Z/
BLAINE NE-
846 PM CDT SUN MAY 26 2013

...THE TORNADO WARNING FOR NORTHEASTERN BLAINE 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.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 2 AM CDT.

LAT...LON 4208 9975 4189 9970 4191 10004 4205 10008
      4209 9993
TIME...MOT...LOC 0121Z 272DEG 11KT 4197 9994

$$

BROOKS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:42 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown	48 min
May 26, 8:01 PM CDT	Severe Thunderstorm Warning	LBF	Custer	44 min
May 26, 8:26 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	49 min
May 26, 8:43 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown, Loup, Rock	62 min
May 26, 8:44 PM CDT	Tornado Warning	LBF	Custer	31 min
May 26, 8:48 PM CDT	Severe Thunderstorm Warning	LBF	Holt	42 min
May 26, 9:10 PM CDT	Tornado Warning Tornado observed	LBF	Blaine, Custer, Loup	50 min
May 26, 9:38 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	52 min
May 26, 9:45 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Loup	60 min
May 26, 11:53 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Garfield, Loup	52 min
May 27, 5:04 PM CDT	Severe Thunderstorm Warning	LBF	Deuel, Garden	56 min
May 27, 6:46 PM CDT	Severe Thunderstorm Warning	LBF	Sheridan	59 min

Nearby

Tornado Warnings in Nebraska, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.