Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 41, NWS North Platte, NE

June 13, 2017Blaine County, Loup County, Rock County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 13, 2017, 4:43 PM CDT for Blaine County, Loup County, Rock County, Nebraska. It was in force for 30 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
Jun 13, 2017, 4:43 PM CDT (21:43 UTC)
Expired
Jun 13, 2017, 5:13 PM CDT
In force
30 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
2.0 in
Wind
60.0 mph

Counties Blaine County, NE, Loup County, NE, Rock County, NE

The radar

The North Platte radar (KLNX), 72 km from the middle of the area, began a volume at 21:46 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
Jun 13, 3:13 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.7 hours before the alert went out and 118 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 2017-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1212 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 2017-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1212 J/kg
Mixed-layer CIN
-415 J/kg
Mixed-layer LCL
1146 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

997 
WUUS53 KLBF 132143
SVRLBF
NEC009-115-149-132230-
/O.NEW.KLBF.SV.W.0041.170613T2143Z-170613T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
443 PM CDT TUE JUN 13 2017

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southwestern Rock County in north central Nebraska...
  Loup County in north central Nebraska...
  Eastern Blaine County in north central Nebraska...

* Until 530 PM CDT

* At 443 PM CDT, a severe thunderstorm was located near Brewster,
  moving northeast at 45 mph.

  HAZARD...Two inch 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. 

* Locations impacted include...
  Brewster, Milburn Diversion Dam State Wildlife Management Area, Fox
  Bayou, Almeria Meadow State Wildlife Management Area, Horseshoe
  Bend Lake and Almeria.

This includes Highway 183 between mile markers 131 and 149.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to shelter inside a strong building,  and stay away from
windows.

&&

A tornado watch remains in effect until 1000 PM CDT for central and
north central Nebraska.

LAT...LON 4174 9980 4174 9983 4192 9995 4209 9973
      4209 9966 4214 9966 4218 9961 4189 9930
TIME...MOT...LOC 2143Z 235DEG 38KT 4191 9978 

HAIL...2.00IN
WIND...60MPH
 
$$

JWS
2 follow-up statements
452 
WWUS53 KLBF 132202
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
502 PM CDT TUE JUN 13 2017

NEC009-115-149-132230-
/O.CON.KLBF.SV.W.0041.000000T0000Z-170613T2230Z/
Rock NE-Loup NE-Blaine NE-
502 PM CDT TUE JUN 13 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHWESTERN ROCK...LOUP AND EASTERN BLAINE COUNTIES...

At 502 PM CDT, a severe thunderstorm was located 7 miles southwest of
Rose, or 15 miles northeast of Brewster, moving northeast at 30 mph.

HAZARD...Two inch 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. 

Locations impacted include...
Brewster, Milburn Diversion Dam State Wildlife Management Area, Fox
Bayou, Almeria Meadow State Wildlife Management Area, Horseshoe Bend
Lake and Almeria.

This includes Highway 183 between mile markers 131 and 149.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

For your protection move to an interior room on the lowest floor of a
building.

This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to a shelter, inside a strong building and away from windows.

&&

A tornado watch remains in effect until 1000 PM CDT for central and
north central Nebraska.

LAT...LON 4174 9980 4174 9983 4192 9995 4209 9973
      4209 9966 4214 9966 4218 9961 4189 9930
TIME...MOT...LOC 2202Z 206DEG 25KT 4209 9963 

HAIL...2.00IN
WIND...60MPH
 
$$

JWS
274 
WWUS53 KLBF 132213
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
513 PM CDT TUE JUN 13 2017

NEC009-115-149-132222-
/O.CAN.KLBF.SV.W.0041.000000T0000Z-170613T2230Z/
Rock NE-Loup NE-Blaine NE-
513 PM CDT TUE JUN 13 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ROCK...LOUP AND
EASTERN BLAINE COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CDT for central and
north central Nebraska.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
North Platte.

Remember, a Severe Thunderstorm Warning still remains in effect for
southern Rock and southwestern Holt counties until 545 PM CDT.

LAT...LON 4174 9980 4174 9983 4192 9995 4209 9973
      4209 9966 4214 9966 4218 9961 4189 9930
TIME...MOT...LOC 2210Z 235DEG 38KT 4215 9951 

$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:45 PM CDTSpecial Weather StatementLBFSheridan45 min
Jun 12, 7:57 PM CDTSevere Thunderstorm WarningLBFSheridan48 min
Jun 12, 8:43 PM CDTSevere Thunderstorm WarningLBFSheridan47 min
Jun 12, 9:00 PM CDTAreal Flood AdvisoryLBFSheridan60 min
Jun 12, 9:09 PM CDTSevere Thunderstorm WarningLBFSheridan51 min
Jun 12, 9:17 PM CDTSevere Thunderstorm WarningLBFSheridan58 min
Jun 12, 9:25 PM CDTSevere Thunderstorm WarningLBFSheridan29 min
Jun 12, 9:37 PM CDTTornado WarningLBFSheridan38 min
Jun 12, 10:04 PM CDTTornado WarningLBFSheridan41 min
Jun 12, 10:12 PM CDTAreal Flood AdvisoryLBFSheridan63 min
Jun 12, 10:18 PM CDTSevere Thunderstorm WarningLBFSheridan42 min
Jun 12, 10:44 PM CDTTornado WarningLBFCherry, Sheridan46 min
Jun 12, 10:54 PM CDTSevere Thunderstorm WarningLBFCherry, Sheridan66 min
Jun 12, 11:27 PM CDTTornado WarningLBFCherry48 min
Jun 12, 11:56 PM CDTSevere Thunderstorm WarningLBFCherry43 min
Jun 13, 9:41 AM CDTRiver Flood WarningLBFGarden, Keith5 days
Jun 13, 3:16 PM CDTSpecial Weather StatementLBFKeya Paha44 min
Jun 13, 3:42 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown, Rock48 min
Jun 13, 3:47 PM CDTSevere Thunderstorm WarningLBFKeya Paha, Rock43 min
Jun 13, 4:03 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer42 min
Jun 13, 4:25 PM CDTSevere Thunderstorm WarningLBFBrown, Rock35 min
Jun 13, 4:27 PM CDTTornado WarningLBFBrown, Rock36 min
Jun 13, 4:28 PM CDTSevere Thunderstorm WarningLBFBoyd, Keya Paha10 min
Jun 13, 4:32 PM CDTTornado WarningLBFBoyd, Keya Paha8 min
Jun 13, 4:45 PM CDTTornado WarningLBFBoyd, Holt, Keya Paha, Rock32 min
Jun 13, 4:55 PM CDTTornado WarningLBFHolt, Rock38 min
Jun 13, 5:07 PM CDTSevere Thunderstorm WarningLBFHolt, Rock38 min
Jun 13, 5:25 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt50 min
Jun 13, 5:35 PM CDTSevere Thunderstorm WarningLBFHolt, Rock30 min
Jun 13, 5:54 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt31 min
Jun 13, 6:26 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt19 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2017Every severe thunderstorm warning in 2017

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.