Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 39, NWS North Platte, NE

June 1, 2014Frontier County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 1, 2014, 2:01 PM CDT for Frontier County, Nebraska. It was in force for 44 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: Jun 1, 2014, 2:01 PM CDT (19:01 UTC)
Expired: Jun 1, 2014, 2:45 PM CDT
In force: 44 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Frontier County, NE

The radar

The Grand Island radar (KUEX), 141 km from the middle of the area, began a volume at 19:04 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 1, 2:10 PM CDT	HAIL 0.25	20 Ssw Eustis, NE	VERY HEAVY RAIN ALSO OCCURRING AT TIME OF REPORT.

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, 7.0 hours before the alert went out and 82 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: 1168 J/kg
Mixed-layer CIN: -191 J/kg
Mixed-layer LCL: 1530 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: -6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

003 
WUUS53 KLBF 011901
SVRLBF
NEC063-011945-
/O.NEW.KLBF.SV.W.0039.140601T1901Z-140601T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
201 PM CDT SUN JUN 1 2014

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FRONTIER COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 245 PM CDT

* AT 158 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 5 MILES WEST OF EUSTIS TO CAMBRIDGE...AND MOVING
  EAST AT 40 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...
  EUSTIS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4071 10021 4070 9998 4070 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4034 10011
      4034 10022 4035 10022
TIME...MOT...LOC 1901Z 271DEG 33KT 4065 10009 4028 10017

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

$$

TAYLOR

1 follow-up statement

219 
WWUS53 KLBF 011922
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
222 PM CDT SUN JUN 1 2014

NEC063-011932-
/O.CAN.KLBF.SV.W.0039.000000T0000Z-140601T1945Z/
FRONTIER NE-
222 PM CDT SUN JUN 1 2014

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FRONTIER COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTH PLATTE.

LAT...LON 4071 10021 4070 9998 4070 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4034 10011
      4034 10022 4035 10022
TIME...MOT...LOC 1922Z 271DEG 33KT 4065 9984 4028 9992

$$

TAYLOR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 12:32 AM CDT	Severe Thunderstorm Warning	LBF	Grant, Hooker	43 min
Jun 1, 10:13 AM CDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln, McPherson	47 min
Jun 1, 12:27 PM CDT	Areal Flood Advisory	LBF	Lincoln	3 hr
Jun 1, 1:35 PM CDT	Severe Thunderstorm Warning	LBF	Holt	40 min
Jun 1, 6:01 PM CDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	44 min
Jun 1, 6:42 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Grant	48 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.