Alert archive / Nebraska / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 2, NWS North Platte, NE

February 24, 2007Custer County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Feb 24, 2007, 1:06 AM CST for Custer County, Nebraska. It was in force for 39 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
Feb 24, 2007, 1:06 AM CST (07:06 UTC)
Expired
Feb 24, 2007, 1:45 AM CST
In force
39 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Custer County, NE

The radar

The North Platte radar (KLNX), 96 km from the middle of the area, began a volume at 07:07 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

TimeReportWhereRemark
Feb 24, 1:13 AM CSTHAIL 1Broken Bow, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.1 hours before the alert went out and 85 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 00:00Z on 2007-02-24Temperature 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 00:00Z on 2007-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.19395878Sfc1 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
1922 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
134 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 240707
SVRLBF
NEC041-240745-
/O.NEW.KLBF.SV.W.0002.070224T0706Z-070224T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
106 AM CST SAT FEB 24 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL AND NORTHEASTERN CUSTER COUNTY IN CENTRAL NEBRASKA...
  THIS INCLUDES THE CITY OF BROKEN BOW...

* UNTIL 145 AM CST

* AT 102 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 6 MILES SOUTH OF BROKEN BOW...AND MOVING NORTH AT
  35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OVER BROKEN BOW BY 110 AM CST
  7 MILES EAST OF MERNA AND 9 MILES WEST OF WEISSERT BY 120 AM CST...
  8 MILES EAST OF VICTORIA SPRINGS STATE RECREATION AREA BY 135 AM
  CST...
  GATES BY 140 AM CST...

LAT...LON 4125 9994 4128 9928 4166 9927 4169 9988

$$

BUTTLER
2 follow-up statements
000 
WWUS53 KLBF 240725
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
123 AM CST SAT FEB 24 2007

NEC041-240745-
/O.CON.KLBF.SV.W.0002.000000T0000Z-070224T0745Z/
CUSTER NE-
123 AM CST SAT FEB 24 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CST
FOR CENTRAL CUSTER COUNTY...

AT 117 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR BROKEN BOW...MOVING NORTH AT 35
MPH.

THIS STORM PRODUCED QUARTER SIZE HAIL IN BROKEN BOW AT 113 AM CST. 

THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES EAST OF VICTORIA SPRINGS STATE RECREATION AREA BY 135 AM
  CST...
  GATES BY 140 AM CST...

LAT...LON 4125 9994 4128 9928 4166 9927 4169 9988

$$

BUTTLER
000 
WWUS53 KLBF 240744
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
143 AM CST SAT FEB 24 2007

NEC041-240753-
/O.EXP.KLBF.SV.W.0002.000000T0000Z-070224T0745Z/
CUSTER NE-
143 AM CST SAT FEB 24 2007

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CUSTER COUNTY EXPIRES
AT 145 AM CST...

NUMEROUS THUNDERSTORMS WILL CONTINUE ACROSS CENTRAL AND NORTHEASTERN 
CUSTER COUNTY THROUGH 4 AM CST. AT THIS TIME NO ADDITIONAL SEVERE 
THUNDERSTORMS ARE EXPECTED. 

LAT...LON 4125 9994 4128 9928 4166 9927 4169 9988

$$

BUTTLER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 11:54 PM CSTSevere Thunderstorm WarningLBFCuster51 min
Feb 24, 2:21 AM CSTSevere Thunderstorm WarningLBFBlaine, Thomas39 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2007Every severe thunderstorm warning in 2007

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.