Alert archive / Nebraska / Tornado Warnings in 2010

Tornado Warning 39, NWS North Platte, NE

June 6, 2010Keith County, Perkins County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 6, 2010, 4:41 PM MDT for Keith County, Perkins County, Nebraska. It was in force for 49 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 6, 2010, 4:41 PM MDT (22:41 UTC)
Expired: Jun 6, 2010, 5:30 PM MDT
In force: 49 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon

Counties Keith County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 157 km from the middle of the area, began a volume at 22:44 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 6, 5:10 PM MDT	TSTM WND GST 81	2 Nw Grant, NE
Jun 6, 5:20 PM MDT	HAIL 1	1 E Grant, NE	VORTEX2 REPORTED HAIL COVERING GROUND

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 6, 2:24 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.7 hours before the alert went out and 105 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2000 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: -55 m²/s²
0-3 km storm-relative helicity: 223 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.

591 
WFUS53 KLBF 062241
TORLBF
NEC101-135-062330-
/O.NEW.KLBF.TO.W.0039.100606T2241Z-100606T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
441 PM MDT SUN JUN 6 2010

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN KEITH COUNTY IN SOUTHWEST NEBRASKA...
  PERKINS COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 530 PM MDT

* AT 435 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES SOUTH OF BRULE...OR 11 MILES SOUTHEAST OF
  BIG SPRINGS...AND MOVING SOUTHEAST AT 25 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  WILD HORSE SPRING AROUND 500 PM MDT.
  GRANT AROUND 510 PM MDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE HIGHWAY 61
MILE MARKER 60.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

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

&&

LAT...LON 4099 10203 4114 10185 4085 10144 4070 10170
      4070 10181
TIME...MOT...LOC 2240Z 321DEG 21KT 4098 10186

$$

KECK

2 follow-up statements

272 
WWUS53 KLBF 062303
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
603 PM CDT SUN JUN 6 2010

NEC101-062312-
/O.CAN.KLBF.TO.W.0039.000000T0000Z-100606T2330Z/
KEITH NE-
503 PM MDT SUN JUN 6 2010

...THE TORNADO WARNING FOR SOUTHWESTERN KEITH COUNTY IS CANCELLED...

THE STORM 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.

LAT...LON 4070 10181 4090 10192 4100 10175 4100 10165
      4085 10144 4070 10170
TIME...MOT...LOC 2302Z 322DEG 23KT 4085 10173

$$

NEC135-062330-
/O.CON.KLBF.TO.W.0039.000000T0000Z-100606T2330Z/
PERKINS NE-
503 PM MDT SUN JUN 6 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL PERKINS COUNTY
UNTIL 530 PM MDT...

AT 458 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR GRANT...MOVING SOUTHEAST AT 25 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
PERKINS COUNTY...INCLUDING THE FOLLOWING LOCATIONS HIGHWAY 61 MILE
MARKER 60.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

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

&&

LAT...LON 4070 10181 4090 10192 4100 10175 4100 10165
      4085 10144 4070 10170
TIME...MOT...LOC 2302Z 322DEG 23KT 4085 10173

$$

KECK

741 
WWUS53 KLBF 062324
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
624 PM CDT SUN JUN 6 2010

NEC135-062333-
/O.EXP.KLBF.TO.W.0039.000000T0000Z-100606T2330Z/
PERKINS NE-
524 PM MDT SUN JUN 6 2010

...THE TORNADO WARNING FOR CENTRAL PERKINS COUNTY WILL EXPIRE AT 630
PM CDT/530 PM MDT/...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING 
WILL EXPIRE AT 630 PM CDT (530 PM MDT). HOWEVER...A SEVERE 
THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA. 

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

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

LAT...LON 4070 10181 4090 10192 4100 10175 4100 10165
      4085 10144 4070 10170
TIME...MOT...LOC 2323Z 322DEG 23KT 4074 10162

$$

KECK

KECK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 3:53 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Garden, Keith, Perkins	52 min
Jun 6, 4:08 PM MDT	Tornado Warning	LBF	Deuel, Keith, Perkins	37 min
Jun 6, 4:20 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	25 min
Jun 6, 4:45 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	15 min
Jun 6, 4:53 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Garden	52 min
Jun 6, 5:10 PM MDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Perkins	50 min
Jun 6, 5:23 PM MDT	Severe Thunderstorm Warning	LBF	Garden	52 min
Jun 6, 5:38 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Grant	52 min

Nearby

Tornado Warnings in Nebraska, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.