Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 113, NWS North Platte, NE

June 16, 2014Boyd County, Keya Paha County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 16, 2014, 7:37 PM CDT for Boyd County, Keya Paha County, Nebraska. It was in force for 38 min. 2 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: Jun 16, 2014, 7:37 PM CDT (00:37 UTC)
Expired: Jun 16, 2014, 8:15 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 Boyd County, NE, Keya Paha County, NE

The radar

The North Platte radar (KLNX), 154 km from the middle of the area, began a volume at 00:37 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
Jun 16, 7:39 PM CDT	HAIL 1	6 W Naper, NE	MOSTLY SMALLER SIZE HAIL...BUT A FEW STONES TO THE SIZE OF QUARTERS.
Jun 16, 8:00 PM CDT	HAIL 1	Naper, 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.

Issued	Product	Office	Lasted
Jun 16, 3:07 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 229 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: 1402 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 2569 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

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

308 
WUUS53 KLBF 170037
SVRLBF
NEC015-103-170115-
/O.NEW.KLBF.SV.W.0113.140617T0037Z-140617T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
737 PM CDT MON JUN 16 2014

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BOYD COUNTY IN NORTH CENTRAL NEBRASKA...
  NORTHEASTERN KEYA PAHA COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 815 PM CDT

* AT 733 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES EAST OF
  MILLS...AND MOVING NORTHEAST AT 25 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.

* LOCATIONS IMPACTED INCLUDE...
  NAPER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4280 9930 4300 9939 4301 9937 4300 9875
TIME...MOT...LOC 0037Z 244DEG 22KT 4297 9922

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

$$

TAYLOR

1 follow-up statement

478 
WWUS53 KLBF 170054
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
754 PM CDT MON JUN 16 2014

NEC103-170104-
/O.CAN.KLBF.SV.W.0113.000000T0000Z-140617T0115Z/
KEYA PAHA NE-
754 PM CDT MON JUN 16 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KEYA PAHA COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4300 9875 4282 9926 4300 9926 4301 9925
TIME...MOT...LOC 0054Z 271DEG 22KT 4296 9911

$$

NEC015-170115-
/O.CON.KLBF.SV.W.0113.000000T0000Z-140617T0115Z/
BOYD NE-
754 PM CDT MON JUN 16 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
BOYD COUNTY UNTIL 815 PM CDT...

AT 751 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NAPER...AND
MOVING EAST AT 25 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.

LOCATIONS IMPACTED INCLUDE...
NAPER.

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.

&&

LAT...LON 4300 9875 4282 9926 4300 9926 4301 9925
TIME...MOT...LOC 0054Z 271DEG 22KT 4296 9911

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

$$

TAYLOR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 7:12 PM CDT	Tornado Warning Tornado observed	LBF	Garfield	33 min
Jun 16, 7:27 PM CDT	Severe Thunderstorm Warning	LBF	Holt	48 min
Jun 16, 7:42 PM CDT	Tornado Warning Tornado observed	LBF	Garfield, Wheeler	33 min
Jun 16, 7:54 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt, Wheeler	51 min
Jun 16, 8:14 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt, Wheeler	46 min
Jun 16, 8:16 PM CDT	Severe Thunderstorm Warning	LBF	Boyd	44 min
Jun 16, 9:02 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt	43 min
Jun 17, 5:18 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	42 min
Jun 17, 5:20 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	40 min
Jun 17, 5:41 PM CDT	Tornado Warning Tornado observed	LBF	Cherry	34 min
Jun 17, 5:48 PM CDT	Tornado Warning	LBF	Cherry	27 min
Jun 17, 6:14 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	46 min
Jun 17, 6:29 PM CDT	Tornado Warning Tornado observed	LBF	Cherry	31 min
Jun 17, 6:56 PM CDT	Tornado Warning Tornado observed	LBF	Cherry	34 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.