Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 331, NWS North Platte, NE

August 18, 2014Deuel County, Keith County, Perkins County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 18, 2014, 5:15 PM MDT for Deuel County, Keith County, Perkins County, Nebraska. It was in force for 45 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: Aug 18, 2014, 5:15 PM MDT (23:15 UTC)
Expired: Aug 18, 2014, 6:00 PM MDT
In force: 45 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Deuel County, NE, Keith County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 168 km from the middle of the area, began a volume at 23:16 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

Time	Report	Where	Remark
Aug 18, 5:15 PM MDT	HAIL 1.75	Big Springs, 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 12:00Z, 11.3 hours before the alert went out and 130 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 87 J/kg
Mixed-layer CIN: -612 J/kg
Mixed-layer LCL: 1482 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 95 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.

351 
WUUS53 KLBF 182315
SVRLBF
NEC049-101-135-190000-
/O.NEW.KLBF.SV.W.0331.140818T2315Z-140819T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
515 PM MDT MON AUG 18 2014

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA...
  SOUTHWESTERN KEITH COUNTY IN SOUTHWEST NEBRASKA...
  WESTERN PERKINS COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 600 PM MDT

* AT 513 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BIG
  SPRINGS...AND MOVING SOUTHEAST AT 35 MPH.

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

  SOURCE...RADAR INDICATED.

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

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRANDON AROUND 540 PM MDT.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 86 AND 118.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 54 AND 77.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4122 10252 4123 10205 4070 10137 4070 10205
      4099 10206 4100 10245
TIME...MOT...LOC 2315Z 331DEG 32KT 4103 10204

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

$$

SPRINGER

4 follow-up statements

874 
WWUS53 KLBF 182335
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
535 PM MDT MON AUG 18 2014

NEC049-101-135-190000-
/O.CON.KLBF.SV.W.0331.000000T0000Z-140819T0000Z/
DEUEL NE-KEITH NE-PERKINS NE-
535 PM MDT MON AUG 18 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
PERKINS...SOUTHWESTERN KEITH AND DEUEL COUNTIES UNTIL 600 PM MDT...

AT 533 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTH OF
BRANDON...AND MOVING SOUTHEAST AT 35 MPH.

HAZARD...GOLF 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.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRANDON AROUND 540 PM MDT.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 86 AND 118.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 54 AND 77.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4122 10252 4123 10205 4070 10137 4070 10205
      4099 10206 4100 10245
TIME...MOT...LOC 2335Z 331DEG 32KT 4087 10193

HAIL...1.75IN
WIND...60MPH

$$

SPRINGER

340 
WWUS53 KLBF 182343
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
643 PM CDT MON AUG 18 2014

NEC049-101-135-190000-
/O.CON.KLBF.SV.W.0331.000000T0000Z-140819T0000Z/
DEUEL NE-KEITH NE-PERKINS NE-
543 PM MDT MON AUG 18 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
PERKINS...SOUTHWESTERN KEITH AND DEUEL COUNTIES UNTIL 600 PM MDT...

AT 541 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
BRANDON...AND MOVING SOUTH AT 25 MPH.

HAZARD...GOLF 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.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRANDON AROUND 555 PM MDT.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 86 AND 118.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 54 AND 77.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4122 10252 4123 10205 4070 10137 4070 10205
      4099 10206 4100 10245
TIME...MOT...LOC 2343Z 344DEG 24KT 4088 10193

HAIL...1.75IN
WIND...60MPH

$$

SPRINGER

501 
WWUS53 KLBF 182353
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
653 PM CDT MON AUG 18 2014

NEC049-101-190003-
/O.CAN.KLBF.SV.W.0331.000000T0000Z-140819T0000Z/
DEUEL NE-KEITH NE-
553 PM MDT MON AUG 18 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KEITH AND DEUEL
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF DEUEL AND 
KEITH COUNTIES.

LAT...LON 4070 10205 4100 10206 4101 10205 4100 10176
      4070 10137
TIME...MOT...LOC 2353Z 321DEG 16KT 4086 10186

$$

NEC135-190000-
/O.CON.KLBF.SV.W.0331.000000T0000Z-140819T0000Z/
PERKINS NE-
553 PM MDT MON AUG 18 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
PERKINS COUNTY UNTIL 600 PM MDT...

AT 552 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST
OF BRANDON...AND MOVING SOUTHEAST AT 20 MPH.

HAZARD...GOLF 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.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  GRANT AROUND 600 PM MDT.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 54 AND 77.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4070 10205 4100 10206 4101 10205 4100 10176
      4070 10137
TIME...MOT...LOC 2353Z 321DEG 16KT 4086 10186

HAIL...1.75IN
WIND...60MPH

$$

SPRINGER

694 
WWUS53 KLBF 182357
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
657 PM CDT MON AUG 18 2014

NEC135-190006-
/O.EXP.KLBF.SV.W.0331.000000T0000Z-140819T0000Z/
PERKINS NE-
557 PM MDT MON AUG 18 2014

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN PERKINS COUNTY HAS 
BEEN REISSUED FOR PERKINS COUNTY...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

LAT...LON 4070 10205 4100 10206 4101 10205 4100 10176
      4070 10137
TIME...MOT...LOC 2356Z 321DEG 16KT 4085 10185

$$

SPRINGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 6:10 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	50 min
Aug 17, 6:29 PM MDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	34 min
Aug 17, 7:08 PM MDT	Areal Flood Advisory	LBF	Custer, Garfield, Loup	3 hr
Aug 18, 3:48 PM MDT	Severe Thunderstorm Warning	LBF	Garden	42 min
Aug 18, 4:00 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	34 min
Aug 18, 4:27 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	48 min
Aug 18, 4:29 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Garden, Keith	46 min
Aug 18, 5:55 PM MDT	Severe Thunderstorm Warning	LBF	Perkins	50 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2014 Every severe thunderstorm warning in 2014

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.