Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 13, NWS North Platte, NE

May 7, 2014Garden County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 7, 2014, 5:14 PM MDT for Garden County, Nebraska. It was in force for 61 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: May 7, 2014, 5:14 PM MDT (23:14 UTC)
Expired: May 7, 2014, 6:15 PM MDT
In force: 61 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

County Garden County, NE

The radar

The North Platte radar (KLNX), 163 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
May 7, 5:25 PM MDT	HAIL 1.25	15 Sw Oshkosh, NE	HAIL RANGED FROM PEA SIZE TO AROUND QUARTER SIZE AND A LITTLE BIGGER
May 7, 5:37 PM MDT	HAIL 1	10 Ne Oshkosh, 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
May 7, 12:37 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.2 hours before the alert went out and 154 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: 120 J/kg
Mixed-layer CIN: -383 J/kg
Mixed-layer LCL: 799 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: -31 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

106 
WUUS53 KLBF 072314
SVRLBF
NEC069-080015-
/O.NEW.KLBF.SV.W.0013.140507T2314Z-140508T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
514 PM MDT WED MAY 7 2014

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN GARDEN COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 615 PM MDT

* AT 512 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST
  OF LODGEPOLE...AND MOVING NORTHEAST AT 20 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
  OSHKOSH...INTERSECTION OF HIGHWAY 27 AND 9 MILE ROAD...BLUEWATER
  BATTLEFIELD STATE HISTORICAL PARK AND SUGAR LOAF HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4156 10252 4154 10201 4123 10237 4123 10261
TIME...MOT...LOC 2314Z 209DEG 16KT 4125 10255

HAIL...1.25IN
WIND...<50MPH

$$

ROBERG

2 follow-up statements

408 
WWUS53 KLBF 072328
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
628 PM CDT WED MAY 7 2014

NEC069-080015-
/O.CON.KLBF.SV.W.0013.000000T0000Z-140508T0015Z/
GARDEN NE-
528 PM MDT WED MAY 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
GARDEN COUNTY UNTIL 615 PM MDT...

AT 526 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST
OF LODGEPOLE...AND MOVING NORTHEAST AT 10 MPH.

HAZARD...GOLF BALL SIZE HAIL.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
OSHKOSH...INTERSECTION OF HIGHWAY 27 AND 9 MILE ROAD...BLUEWATER
BATTLEFIELD STATE HISTORICAL PARK AND SUGAR LOAF HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A POTENTIALLY DEADLY STORM. SEEK SHELTER IN AN INTERIOR ROOM
ON THE LOWEST FLOOR OF A WELL-BUILT STRUCTURE. ABANDON VEHICLES IN
SEARCH OF A MORE SUBSTANTIAL PERMANENT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4156 10252 4154 10201 4123 10237 4123 10261
TIME...MOT...LOC 2328Z 237DEG 9KT 4124 10252

HAIL...1.75IN
WIND...<50MPH

$$

ROBERG

062 
WWUS53 KLBF 072359
SVSLBF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
659 PM CDT WED MAY 7 2014

NEC069-080015-
/O.CON.KLBF.SV.W.0013.000000T0000Z-140508T0015Z/
GARDEN NE-
559 PM MDT WED MAY 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
GARDEN COUNTY UNTIL 615 PM MDT...

AT 554 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTH OF
OSHKOSH...AND MOVING NORTHEAST AT 25 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

LOCATIONS IMPACTED INCLUDE...
OSHKOSH...SUGAR LOAF HILL AND BLUEWATER BATTLEFIELD STATE HISTORICAL
PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4156 10252 4154 10201 4123 10237 4123 10261
TIME...MOT...LOC 2359Z 244DEG 22KT 4131 10231

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

$$

ROBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 1:03 AM MDT	Severe Thunderstorm Warning	LBF	Garden, Grant	42 min
May 7, 2:25 AM MDT	Winter Weather Advisory	LBF	Sheridan	31 hr
May 7, 4:12 PM MDT	Severe Thunderstorm Warning	LBF	Hayes, Lincoln, Perkins	48 min
May 7, 4:30 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	45 min
May 7, 5:00 PM MDT	Severe Thunderstorm Warning	LBF	Hayes, Lincoln, Perkins	45 min
May 7, 5:01 PM MDT	Severe Thunderstorm Warning	LBF	Garden	59 min
May 7, 5:18 PM MDT	Severe Thunderstorm Warning	LBF	Hayes, Lincoln	42 min
May 7, 5:37 PM MDT	Severe Thunderstorm Warning	LBF	Keith	38 min
May 7, 5:40 PM MDT	Severe Thunderstorm Warning	LBF	Garden	50 min
May 7, 5:46 PM MDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes, Lincoln	44 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.