Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 62, NWS North Platte, NE

June 7, 2002Keith County, Lincoln County, McPherson County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 7, 2002, 6:32 PM MDT for Keith County, Lincoln County, McPherson County, Nebraska. It was in force for 58 min. 6 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 7, 2002, 6:32 PM MDT (00:32 UTC)
Expired: Jun 7, 2002, 7:30 PM MDT
In force: 58 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

Counties Keith County, NE, Lincoln County, NE, McPherson County, NE

The radar

The North Platte radar (KLNX), 89 km from the middle of the area, began a volume at 00:36 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 7, 6:40 PM MDT	Hail 0.75	Paxton, NE
Jun 7, 6:40 PM MDT	Thunderstorm Wind 52 E	Paxton, NE
Jun 7, 6:55 PM MDT	Tornado F0	Sutherland, NE	The tornado made a brief touchdown. State Patrol reported trees down.
Jun 7, 7:00 PM MDT	Hail 1	Tryon, NE
Jun 7, 7:00 PM MDT	Hail 1	Sutherland, NE
Jun 7, 7:00 PM MDT	Thunderstorm Wind 52 E	Paxton, 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 7, 4:30 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.5 hours before the alert went out and 64 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: 942 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 3335 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 080032
SVRLBF
NEC101-111-117-080130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
731 PM CDT FRI JUN 7 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MCPHERSON COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHWESTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
  EASTERN KEITH COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 830 PM CDT(730 PM MDT)...

* AT 621 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM 12 MILES NORTH OF
  PAXTON...OR ABOUT 15 MILES NORTHWEST OF SUTHERLAND...MOVING
  NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE...

  OVER FARM AND RANGELANDS OF SOUTH CENTRAL MCPHERSON COUNTY
  OVER FARM AND RANGELANDS OF CENTRAL MCPHERSON COUNTY
  NEAR TRYON AROUND 720 PM MDT

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.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
FRIDAY EVENING(1000 PM MDT FRIDAY EVENING) FOR WESTERN NEBRASKA.

LAT...LON 4138 10162 4102 10163 4117 10072 4161 10073
          4162 10138 4138 10138

$$
CDC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 6:44 PM MDT	Tornado Warning	LBF	Keith	31 min
Jun 7, 6:52 PM MDT	Tornado Warning	LBF	Lincoln	23 min
Jun 7, 7:10 PM MDT	Severe Thunderstorm Warning	LBF	Custer	50 min
Jun 7, 7:14 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	46 min
Jun 7, 7:15 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	60 min
Jun 7, 7:27 PM MDT	Severe Thunderstorm Warning	LBF	McPherson	63 min
Jun 7, 7:37 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	53 min
Jun 7, 8:03 PM MDT	Severe Thunderstorm Warning	LBF	Holt	57 min
Jun 7, 8:55 PM MDT	Severe Thunderstorm Warning	LBF	Custer	65 min
Jun 7, 9:11 PM MDT	Severe Thunderstorm Warning	LBF	Blaine	49 min
Jun 8, 1:20 AM MDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	55 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.