Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 22, NWS North Platte, NE

May 26, 2002Custer County, Logan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 26, 2002, 3:35 PM CDT for Custer County, Logan County, Nebraska. It was in force for 55 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
May 26, 2002, 3:35 PM CDT (20:35 UTC)
Expired
May 26, 2002, 4:30 PM CDT
In force
55 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

Counties Custer County, NE, Logan County, NE

The radar

The North Platte radar (KLNX), 56 km from the middle of the area, began a volume at 20:36 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

TimeReportWhereRemark
May 26, 3:45 PM CDTHail 0.88Stapleton, NE
May 26, 4:20 PM CDTHail 0.75Callaway, NE
May 26, 4:35 PM CDTHail 0.75Callaway, 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
May 26, 1:30 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.6 hours before the alert went out and 54 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 12:00Z on 2002-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2002-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.19395878Sfc1 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
4 J/kg
Mixed-layer CIN
-560 J/kg
Mixed-layer LCL
1662 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 262035
SVRLBF
NEC041-113-262130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
335 PM CDT SUN MAY 26 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LOGAN COUNTY IN WEST CENTRAL NEBRASKA...
  NORTHWESTERN CUSTER COUNTY IN CENTRAL NEBRASKA...

* UNTIL 430 PM CDT...

* AT 331 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM 4 MILES EAST OF
  GANDY...OR ABOUT 6 MILES EAST OF STAPLETON...MOVING NORTHEAST AT 30
  MPH.

* THE SEVERE THUNDERSTORM WILL BE...

  7 MILES NORTHWEST OF ARNOLD AROUND 345 PM CDT...
  3 MILES NORTHWEST OF ANSELMO AROUND 430 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.

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.

LAT...LON 4141 10064 4141 10025 4146 9992 4174 9970
          4173 10025

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 1:24 PM CDTSevere Thunderstorm WarningLBFLogan, Thomas51 min
May 26, 2:06 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown39 min
May 26, 2:21 PM CDTSevere Thunderstorm WarningLBFLogan, Thomas39 min
May 26, 2:44 PM CDTSevere Thunderstorm WarningLBFRock46 min
May 26, 3:12 PM CDTSevere Thunderstorm WarningLBFBlaine63 min
May 26, 3:40 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt50 min
May 26, 3:46 PM CDTSevere Thunderstorm WarningLBFLincoln59 min
May 26, 4:01 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt59 min
May 26, 4:29 PM CDTSevere Thunderstorm WarningLBFCuster, Logan61 min
May 26, 4:34 PM CDTSevere Thunderstorm WarningLBFLincoln56 min
May 26, 4:44 PM CDTSevere Thunderstorm WarningLBFGarfield, Wheeler61 min
May 26, 5:14 PM CDTSevere Thunderstorm WarningLBFCuster61 min
May 26, 5:30 PM CDTSevere Thunderstorm WarningLBFLincoln60 min
May 26, 6:15 PM CDTSevere Thunderstorm WarningLBFCuster60 min
May 26, 6:19 PM CDTSevere Thunderstorm WarningLBFFrontier56 min
May 26, 6:28 PM CDTTornado WarningLBFFrontier32 min
May 26, 6:59 PM CDTTornado WarningLBFFrontier31 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.