Alert archive / Nebraska / Tornado Warnings in 2013

Tornado Warning 24, NWS North Platte, NE

July 8, 2013Keya Paha County, Rock County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 8, 2013, 6:32 PM CDT for Keya Paha County, Rock County, Nebraska. It was in force for 28 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: Jul 8, 2013, 6:32 PM CDT (23:32 UTC)
Expired: Jul 8, 2013, 7:00 PM CDT
In force: 28 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Keya Paha County, NE, Rock County, NE

The radar

The North Platte radar (KLNX), 135 km from the middle of the area, began a volume at 23:35 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
Jul 8, 6:35 PM CDT	FUNNEL CLOUD	8 Se Burton, 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
Jul 8, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.5 hours before the alert went out and 209 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: 278 J/kg
Mixed-layer CIN: -251 J/kg
Mixed-layer LCL: 1163 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 113 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.

761 
WFUS53 KLBF 082332
TORLBF
NEC103-149-090000-
/O.NEW.KLBF.TO.W.0024.130708T2332Z-130709T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
632 PM CDT MON JUL 8 2013

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN KEYA PAHA COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTHEASTERN ROCK COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 700 PM CDT

* AT 631 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 9 MILES SOUTH OF MILLS...AND MOVING SOUTHEAST
  AT 15 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

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

* LOCATIONS IMPACTED INCLUDE...
  MARIAVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

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 4275 9924 4274 9924 4261 9940 4284 9962
      4291 9941
TIME...MOT...LOC 2332Z 308DEG 14KT 4282 9946

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

$$

STOPPKOTTE

2 follow-up statements

050 
WWUS53 KLBF 082346
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
646 PM CDT MON JUL 8 2013

NEC103-149-090000-
/O.CON.KLBF.TO.W.0024.000000T0000Z-130709T0000Z/
KEYA PAHA NE-ROCK NE-
646 PM CDT MON JUL 8 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ROCK AND
SOUTHEASTERN KEYA PAHA COUNTIES UNTIL 700 PM CDT...

AT 645 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES SOUTH OF MILLS...AND MOVING SOUTHEAST AT 15 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

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

LOCATIONS IMPACTED INCLUDE...
MARIAVILLE.

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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4275 9924 4274 9924 4261 9940 4284 9962
      4291 9941
TIME...MOT...LOC 2346Z 318DEG 14KT 4278 9942

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

$$

STOPPKOTTE

396 
WWUS53 KLBF 090003
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
703 PM CDT MON JUL 8 2013

NEC103-149-090012-
/O.EXP.KLBF.TO.W.0024.000000T0000Z-130709T0000Z/
KEYA PAHA NE-ROCK NE-
703 PM CDT MON JUL 8 2013

...THE TORNADO WARNING FOR NORTHEASTERN ROCK AND SOUTHEASTERN KEYA
PAHA COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM CDT.

LAT...LON 4275 9924 4274 9924 4261 9940 4284 9962
      4291 9941
TIME...MOT...LOC 2346Z 307DEG 1KT 4280 9944

$$

STOPPKOTTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:03 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	42 min
Jul 7, 7:07 PM CDT	Tornado Warning	LBF	Hooker, Logan, McPherson, Thomas	38 min
Jul 7, 7:40 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln	65 min
Jul 7, 7:45 PM CDT	Severe Thunderstorm Warning	LBF	Holt	45 min
Jul 7, 7:48 PM CDT	Severe Thunderstorm Warning	LBF	Logan, McPherson	57 min
Jul 7, 7:55 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	50 min
Jul 7, 8:09 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln	51 min
Jul 7, 8:24 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, Lincoln, McPherson	51 min
Jul 7, 8:45 PM CDT	Severe Thunderstorm Warning	LBF	Custer	45 min
Jul 7, 8:46 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Garfield, Loup, Wheeler	44 min
Jul 7, 8:54 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	51 min
Jul 7, 10:04 PM CDT	Severe Thunderstorm Warning	LBF	Keith, Perkins	56 min
Jul 8, 4:24 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	51 min
Jul 8, 5:12 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	48 min
Jul 8, 5:59 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	46 min
Jul 8, 6:53 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	52 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.