Alert archive / Nebraska / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 331, NWS North Platte, NE

August 1, 2013Custer County, Logan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 1, 2013, 7:52 PM CDT for Custer County, Logan County, Nebraska. It was in force for 38 min. 3 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
Aug 1, 2013, 7:52 PM CDT (00:52 UTC)
Expired
Aug 1, 2013, 8:30 PM CDT
In force
38 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Custer County, NE, Logan County, NE

The radar

The North Platte radar (KLNX), 55 km from the middle of the area, began a volume at 00:51 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
Aug 1, 8:05 PM CDTHAIL 19 Ese Stapleton, NE
Aug 1, 8:22 PM CDTFUNNEL CLOUD10 Nw Arnold, NE
Aug 1, 8:22 PM CDTHAIL 110 Nw Arnold, 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.

IssuedProductOfficeLasted
Aug 1, 1:22 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.9 hours before the alert went out and 46 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 2013-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1701 joules per kilogram.LCLLFCEL10008507005003002001001 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 2013-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897Sfc1 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
1701 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1985 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

328 
WUUS53 KLBF 020052
SVRLBF
NEC041-113-020130-
/O.NEW.KLBF.SV.W.0331.130802T0052Z-130802T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
752 PM CDT THU AUG 1 2013

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN CUSTER COUNTY IN CENTRAL NEBRASKA...
  SOUTHEASTERN LOGAN COUNTY IN WEST CENTRAL NEBRASKA...

* UNTIL 830 PM CDT

* AT 751 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GANDY...AND
  MOVING NORTHEAST AT 15 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
           ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  ARNOLD...TARBOZ LAKE...SHANKLIN BLUFF...HOAGLAND...LOGAN AND
  PLEASANT HILL.

THIS INCLUDES HIGHWAY 83 BETWEEN MILE MARKERS 110 AND 115.

THIS INCLUDES HIGHWAY 92 BETWEEN MILE MARKERS 228 AND 262.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4150 10054 4173 10021 4148 9998 4139 10031
      4139 10046
TIME...MOT...LOC 0052Z 238DEG 11KT 4147 10039

HAIL...1.00IN
WIND...60MPH

$$

JACOBS
2 follow-up statements
708 
WWUS53 KLBF 020118
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
818 PM CDT THU AUG 1 2013

NEC041-113-020130-
/O.CON.KLBF.SV.W.0331.000000T0000Z-130802T0130Z/
CUSTER NE-LOGAN NE-
818 PM CDT THU AUG 1 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
LOGAN AND NORTHWESTERN CUSTER COUNTIES UNTIL 830 PM CDT...

AT 815 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES EAST OF
GANDY...AND MOVING NORTHEAST AT 15 MPH.

HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...PUBLIC...QUARTER SIZE HAIL WAS REPORTED 9 MILES EAST 
SOUTHEAST OF STAPLETON AT 805 PM CDT.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
ARNOLD AND PLEASANT HILL.

THIS INCLUDES HIGHWAY 92 BETWEEN MILE MARKERS 241 AND 262.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS!

&&

LAT...LON 4143 10037 4152 10043 4173 10021 4148 9998
      4139 10031
TIME...MOT...LOC 0117Z 238DEG 11KT 4151 10030

HAIL...1.00IN
WIND...60MPH

$$

JACOBS
572 
WWUS53 KLBF 020132
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
832 PM CDT THU AUG 1 2013

NEC041-113-020141-
/O.EXP.KLBF.SV.W.0331.000000T0000Z-130802T0130Z/
CUSTER NE-LOGAN NE-
832 PM CDT THU AUG 1 2013

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LOGAN AND
NORTHWESTERN CUSTER COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.  HOWEVER...SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL 
POSSIBLE WITH THIS THUNDERSTORM.  OTHER SEVERE STORMS ARE ON GOING 
ACROSS CUSTER COUNTY AT THIS TIME.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.

LAT...LON 4143 10037 4152 10043 4173 10021 4148 9998
      4139 10031
TIME...MOT...LOC 0118Z 238DEG 11KT 4151 10030

$$

JACOBS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 7:04 PM CDTTornado WarningLBFCherry, Grant, Hooker26 min
Aug 1, 7:25 PM CDTSevere Thunderstorm WarningLBFBrown, Cherry50 min
Aug 1, 7:28 PM CDTSevere Thunderstorm WarningLBFGarden, Sheridan62 min
Aug 1, 7:33 PM CDTTornado WarningLBFCherry, Hooker27 min
Aug 1, 8:01 PM CDTSevere Thunderstorm WarningLBFHooker44 min
Aug 1, 8:03 PM CDTSevere Thunderstorm WarningLBFCuster42 min
Aug 1, 8:05 PM CDTSevere Thunderstorm WarningLBFDeuel, Garden40 min
Aug 1, 8:15 PM CDTSevere Thunderstorm WarningLBFCuster45 min
Aug 1, 8:24 PM CDTSevere Thunderstorm WarningLBFCuster, Lincoln51 min
Aug 1, 8:29 PM CDTSevere Thunderstorm WarningLBFGarden61 min
Aug 1, 8:43 PM CDTSevere Thunderstorm WarningLBFDeuel, Garden, Keith, Perkins47 min
Aug 1, 8:58 PM CDTSevere Thunderstorm WarningLBFCuster, Lincoln47 min
Aug 1, 9:01 PM CDTAreal Flood AdvisoryLBFCuster6 hr
Aug 1, 9:18 PM CDTTornado WarningLBFCuster27 min
Aug 1, 9:26 PM CDTSevere Thunderstorm WarningLBFArthur, Keith, Perkins49 min
Aug 1, 9:57 PM CDTSevere Thunderstorm WarningLBFLincoln48 min
Aug 1, 10:24 PM CDTSevere Thunderstorm WarningLBFLincoln66 min
Aug 1, 10:25 PM CDTAreal Flood AdvisoryLBFCuster, Lincoln, Logan6 hr
Aug 1, 10:51 PM CDTAreal Flood AdvisoryLBFLincoln6 hr
Aug 1, 11:11 PM CDTSevere Thunderstorm WarningLBFFrontier, Lincoln49 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2013Every severe thunderstorm warning 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.