Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 80, NWS North Platte, NE

June 19, 2002Lincoln County, Logan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 19, 2002, 7:11 PM CDT for Lincoln County, Logan County, Nebraska. It was in force for 49 min. 3 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 19, 2002, 7:11 PM CDT (00:11 UTC)
Expired: Jun 19, 2002, 8:00 PM CDT
In force: 49 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

Counties Lincoln County, NE, Logan County, NE

The radar

The North Platte radar (KLNX), 64 km from the middle of the area, began a volume at 00:13 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
Jun 19, 7:11 PM CDT	Hail 1	North Platte, NE
Jun 19, 7:15 PM CDT	Hail 1.75	Stapleton, NE
Jun 19, 8:03 PM CDT	Hail 0.75	North Platte, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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 19, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 29 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: 1728 J/kg
Mixed-layer CIN: -159 J/kg
Mixed-layer LCL: 1533 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 15.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 200011
SVRLBF
NEC111-113-200100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
711 PM CDT WED JUN 19 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN LOGAN COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHEASTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 800 PM CDT...

* AT 708 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM 9 MILES SOUTH OF
  GANDY...OR ABOUT 10 MILES SOUTHEAST OF STAPLETON...MOVING NORTHEAST
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE...

  6 MILES SOUTHEAST OF GANDY AROUND 720 PM CDT...

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER IN A SMALL
INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST
PROTECTION.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4160 10069 4105 10071 4106 10026 4160 10027

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 7:49 PM CDT	Severe Thunderstorm Warning	LBF	Holt	56 min
Jun 19, 8:00 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	45 min
Jun 19, 8:13 PM CDT	Severe Thunderstorm Warning	LBF	Garfield	47 min
Jun 19, 8:29 PM CDT	Severe Thunderstorm Warning	LBF	Loup	46 min
Jun 19, 8:33 PM CDT	Severe Thunderstorm Warning	LBF	Custer	57 min
Jun 19, 8:46 PM CDT	Severe Thunderstorm Warning	LBF	Holt	59 min
Jun 19, 9:01 PM CDT	Severe Thunderstorm Warning	LBF	Wheeler	44 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.