Alert archive / Nebraska / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 252, NWS North Platte, NE

September 15, 2006Brown County, Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Sep 15, 2006, 3:52 PM CDT for Brown County, Cherry County, Nebraska. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 15, 2006, 3:52 PM CDT (20:52 UTC)
Expired
Sep 15, 2006, 4:30 PM CDT
In force
38 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

Counties Brown County, NE, Cherry County, NE

The radar

The North Platte radar (KLNX), 67 km from the middle of the area, began a volume at 20:55 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 15, 3:07 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.9 hours before the alert went out and 157 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2006-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2006-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1112 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
262 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.

000 
WUUS53 KLBF 152052
SVRLBF
NEC017-031-152130-
/O.NEW.KLBF.SV.W.0252.060915T2052Z-060915T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
352 PM CDT FRI SEP 15 2006

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 430 PM CDT(330 PM MDT)

* AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 11 MILES WEST OF JOHNSTOWN TO
  12 MILES SOUTH OF BROWNLEE...OR ALONG A LINE EXTENDING FROM 21
  MILES WEST OF AINSWORTH TO 10 MILES NORTH OF THEDFORD...AND MOVING
  EAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  JOHNSTOWN BY 415 PM CDT...
  MOON LAKE BY 425 PM CDT...
  LONG LAKE STATE WILDLIFE MANAGEMENT AREA...ELSMERE...AINSWORTH AND
  WILLOW LAKE STATE WILDLIFE MANAGEMENT AREA BY 430 PM CDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4286 10038 4209 10094 4211 10000 4271 9975

$$

JWS
2 follow-up statements
000 
WWUS53 KLBF 152114
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
413 PM CDT FRI SEP 15 2006

NEC017-031-152130-
/O.CON.KLBF.SV.W.0252.000000T0000Z-060915T2130Z/
BROWN NE-CHERRY NE-
413 PM CDT FRI SEP 15 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM
CDT(330 PM MDT) FOR SOUTHEASTERN CHERRY AND BROWN COUNTIES...

AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM JOHNSTOWN TO 6 MILES
NORTHEAST OF HIGHWAY 83 MILE MARKER 160...OR ALONG A LINE EXTENDING
FROM 13 MILES WEST OF AINSWORTH TO 16 MILES NORTHEAST OF THEDFORD...
MOVING NORTHEAST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  JOHNSTOWN BY 425 PM CDT...
  MOON LAKE...6 MILES SOUTHWEST OF BOBCAT STATE WILDLIFE MANAGEMENT
  AREA...7 MILES NORTHWEST OF LONG LAKE STATE WILDLIFE MANAGEMENT
  AREA AND 8 MILES NORTHWEST OF ELSMERE BY 430 PM CDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING(900 PM MDT FRIDAY EVENING) FOR WESTERN NEBRASKA.

LAT...LON 4286 10038 4209 10094 4211 10000 4271 9975

$$

JWS
000 
WWUS53 KLBF 152132
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
431 PM CDT FRI SEP 15 2006

NEC017-031-152141-
/O.EXP.KLBF.SV.W.0252.000000T0000Z-060915T2130Z/
BROWN NE-CHERRY NE-
431 PM CDT FRI SEP 15 2006

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHERRY AND BROWN
COUNTIES EXPIRED AT 430 PM CDT(330 PM MDT)...

AT 430 PM CDT...NORTH PLATTE DOPPLER RADAR INDICATED THAT THE STORM 
THAT PROMPTED THE WARNING HAD WEAKENED TO SLIGHTLY BELOW SEVERE 
LIMITS. HOWEVER...STRONG GUSTY WINDS TO 50 MPH...SMALL HAIL AND VERY 
HEAVY RAIN WILL BE POSSIBLE IN THE AREA THROUGH 530 PM CDT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING(900 PM MDT FRIDAY EVENING) FOR WESTERN NEBRASKA.

LAT...LON 4286 10038 4209 10094 4211 10000 4271 9975

$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 3:50 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer55 min
Sep 15, 4:44 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Loup61 min
Sep 15, 5:25 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown, Cherry52 min
Sep 15, 5:36 PM CDTSevere Thunderstorm WarningLBFGarfield, Wheeler39 min
Sep 15, 5:58 PM CDTSevere Thunderstorm WarningLBFHolt62 min
Sep 15, 6:44 PM CDTSevere Thunderstorm WarningLBFRock36 min
Sep 15, 6:57 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt63 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2006Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.