Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 262, NWS North Platte, NE

August 11, 2016McPherson County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 11, 2016, 5:47 PM CDT for McPherson County, Nebraska. It was in force for 28 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
Aug 11, 2016, 5:47 PM CDT (22:47 UTC)
Expired
Aug 11, 2016, 6:15 PM CDT
In force
28 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County McPherson County, NE

The radar

The North Platte radar (KLNX), 48 km from the middle of the area, began a volume at 22:51 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.8 hours before the alert went out and 69 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 2016-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 171 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 12:00Z on 2016-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
171 J/kg
Mixed-layer CIN
-444 J/kg
Mixed-layer LCL
2116 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

642 
WUUS53 KLBF 112247
SVRLBF
NEC117-112315-
/O.NEW.KLBF.SV.W.0262.160811T2247Z-160811T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
547 PM CDT THU AUG 11 2016

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...

* UNTIL 615 PM CDT

* AT 547 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES NORTH OF
  TRYON...AND IS NEARLY STATIONARY.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTH CENTRAL MCPHERSON COUNTY.

THIS INCLUDES HIGHWAY 97 BETWEEN MILE MARKERS 36 AND 44.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4161 10095 4165 10113 4174 10111 4174 10089
TIME...MOT...LOC 2247Z 205DEG 3KT 4170 10100 

HAIL...1.50IN
WIND...60MPH
 
$$

CDC
2 follow-up statements
618 
WWUS53 KLBF 112303
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
603 PM CDT THU AUG 11 2016

NEC117-112315-
/O.CON.KLBF.SV.W.0262.000000T0000Z-160811T2315Z/
MCPHERSON NE-
603 PM CDT THU AUG 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR NORTH CENTRAL MCPHERSON COUNTY...

AT 603 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES NORTH OF
TRYON...AND IS NEARLY STATIONARY.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTH
CENTRAL MCPHERSON COUNTY.

THIS INCLUDES HIGHWAY 97 BETWEEN MILE MARKERS 41 AND 44.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4168 10092 4169 10108 4174 10111 4174 10089
TIME...MOT...LOC 2303Z 204DEG 4KT 4173 10098 

HAIL...1.00IN
WIND...<50MPH
 
$$

CDC
333 
WWUS53 KLBF 112315
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
615 PM CDT THU AUG 11 2016

NEC117-112324-
/O.EXP.KLBF.SV.W.0262.000000T0000Z-160811T2315Z/
MCPHERSON NE-
615 PM CDT THU AUG 11 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MCPHERSON COUNTY
WILL EXPIRE AT 615 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4168 10092 4169 10108 4174 10111 4174 10089
TIME...MOT...LOC 2310Z 205DEG 3KT 4173 10098 

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 8:15 PM CDTSpecial Weather StatementLBFGarden45 min
Aug 10, 8:28 PM CDTSpecial Weather StatementLBFCherry47 min
Aug 10, 9:02 PM CDTSpecial Weather StatementLBFCherry43 min
Aug 10, 11:01 PM CDTSpecial Weather StatementLBFCherry44 min
Aug 10, 11:54 PM CDTSpecial Weather StatementLBFGarden51 min
Aug 11, 3:34 PM CDTSpecial Weather StatementLBFValley26 min
Aug 11, 3:49 PM CDTSpecial Weather StatementLBFGarfield56 min
Aug 11, 3:54 PM CDTSpecial Weather StatementLBFGarfield, Wheeler66 min
Aug 11, 4:07 PM CDTSevere Thunderstorm WarningLBFGarfield, Wheeler23 min
Aug 11, 4:16 PM CDTSpecial Weather StatementLBFHolt44 min
Aug 11, 4:29 PM CDTSpecial Weather StatementLBFGarfield46 min
Aug 11, 4:56 PM CDTSpecial Weather StatementLBFLogan, McPherson64 min
Aug 11, 5:02 PM CDTSevere Thunderstorm WarningLBFGarfield, Holt, Wheeler14 min
Aug 11, 6:00 PM CDTSpecial Weather StatementLBFLogan60 min
Aug 11, 6:19 PM CDTSpecial Weather StatementLBFHooker41 min
Aug 11, 6:23 PM CDTSpecial Weather StatementLBFCuster52 min
Aug 11, 6:29 PM CDTSpecial Weather StatementLBFSheridan46 min
Aug 11, 6:31 PM CDTSevere Thunderstorm WarningLBFLogan29 min
Aug 11, 6:53 PM CDTSpecial Weather StatementLBFHooker52 min
Aug 11, 6:55 PM CDTSpecial Weather StatementLBFCuster50 min
Aug 11, 6:58 PM CDTSpecial Weather StatementLBFSheridan47 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2016Every severe thunderstorm warning in 2016

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.