Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 68, NWS North Platte, NE

June 7, 2002Holt County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 7, 2002, 9:03 PM CDT for Holt County, Nebraska. It was in force for 57 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 7, 2002, 9:03 PM CDT (02:03 UTC)
Expired
Jun 7, 2002, 10:00 PM CDT
In force
57 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Holt County, NE

The radar

The North Platte radar (KLNX), 171 km from the middle of the area, began a volume at 02:06 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

TimeReportWhereRemark
Jun 7, 9:17 PM CDTHail 1Inman, 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.

IssuedProductOfficeLasted
Jun 7, 5:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.1 hours before the alert went out and 221 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2002-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 942 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2002-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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 080203
SVRLBF
NEC089-080300-

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HOLT COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 1000 PM CDT...

* AT 856 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM 3 MILES WEST OF
  INMAN...OR ABOUT 6 MILES SOUTHEAST OF ONEILL...MOVING EAST AT 20
  MPH.

* THE SEVERE THUNDERSTORM WILL BE...

  2 MILES NORTH OF PAGE AROUND 920 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.

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

LAT...LON 4268 9883 4210 9880 4213 9834 4274 9830

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:32 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln, McPherson58 min
Jun 7, 7:44 PM CDTTornado WarningLBFKeith31 min
Jun 7, 7:52 PM CDTTornado WarningLBFLincoln23 min
Jun 7, 8:10 PM CDTSevere Thunderstorm WarningLBFCuster50 min
Jun 7, 8:14 PM CDTSevere Thunderstorm WarningLBFGarden, Sheridan46 min
Jun 7, 8:15 PM CDTSevere Thunderstorm WarningLBFLincoln60 min
Jun 7, 8:27 PM CDTSevere Thunderstorm WarningLBFMcPherson63 min
Jun 7, 8:37 PM CDTSevere Thunderstorm WarningLBFLincoln53 min
Jun 7, 9:55 PM CDTSevere Thunderstorm WarningLBFCuster65 min
Jun 7, 10:11 PM CDTSevere Thunderstorm WarningLBFBlaine49 min
Jun 8, 2:20 AM CDTSevere Thunderstorm WarningLBFBoyd, Holt55 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002Every 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.