Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 210, NWS North Platte, NE

August 26, 2002Holt County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 26, 2002, 6:07 AM CDT for Holt County, Nebraska. It was in force for 53 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
Aug 26, 2002, 6:07 AM CDT (11:07 UTC)
Expired
Aug 26, 2002, 7:00 AM CDT
In force
53 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), 166 km from the middle of the area, began a volume at 11:07 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
Aug 26, 6:30 AM CDTHail 0.88Inman, 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 11.1 hours before the alert went out and 217 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 2002-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1070 joules per kilogram.LCLEL10008507005003002001001 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 2002-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1070 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
2013 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

422 
WUUS53 KLBF 261107
SVRLBF
NEC089-261200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
606 AM CDT MON AUG 26 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 700 AM CDT...

* AT 602 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM ALONG A LINE
  EXTENDING FROM 15 MILES NORTH OF PAGE TO 4 MILES SOUTHWEST OF
  AMELIA...MOVING SOUTHEAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE...

  OVER PAGE AROUND 615 AM CDT...
  OVER EWING AROUND 635 AM CDT...

* AT 600 AM NICKEL TO QUARTER SIZE HAIL WAS REPORTED IN ONEILL

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 4275 9832 4259 9923 4211 9921 4211 9832

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 4:26 AM CDTSevere Thunderstorm WarningLBFKeya Paha64 min
Aug 26, 4:49 AM CDTSevere Thunderstorm WarningLBFRock56 min
Aug 26, 5:14 AM CDTSevere Thunderstorm WarningLBFRock31 min
Aug 26, 5:45 AM CDTSevere Thunderstorm WarningLBFHolt, Rock60 min
Aug 26, 7:54 AM CDTSevere Thunderstorm WarningLBFCherry51 min
Aug 26, 8:22 AM CDTSevere Thunderstorm WarningLBFBlaine, Brown53 min
Aug 26, 9:05 AM CDTSevere Thunderstorm WarningLBFCuster, Loup55 min
Aug 26, 9:12 AM CDTSevere Thunderstorm WarningLBFRock48 min
Aug 26, 9:24 AM CDTSevere Thunderstorm WarningLBFBlaine36 min
Aug 26, 1:17 PM CDTSevere Thunderstorm WarningLBFCherry58 min
Aug 26, 1:36 PM CDTTornado WarningLBFCherry39 min
Aug 26, 1:54 PM CDTSevere Thunderstorm WarningLBFChase66 min
Aug 26, 2:17 PM CDTTornado WarningLBFCherry58 min
Aug 26, 3:16 PM CDTSevere Thunderstorm WarningLBFCherry59 min
Aug 26, 3:29 PM CDTSevere Thunderstorm WarningLBFSheridan61 min
Aug 26, 4:03 PM CDTTornado WarningLBFSheridan57 min
Aug 26, 4:03 PM CDTTornado WarningLBFSheridan57 min
Aug 26, 4:15 PM CDTSevere Thunderstorm WarningLBFCherry60 min
Aug 26, 4:49 PM CDTSevere Thunderstorm WarningLBFGrant, Hooker, Thomas56 min
Aug 26, 5:03 PM CDTSevere Thunderstorm WarningLBFSheridan57 min
Aug 26, 5:29 PM CDTSevere Thunderstorm WarningLBFSheridan61 min
Aug 26, 5:47 PM CDTSevere Thunderstorm WarningLBFGrant, Hooker, Thomas58 min
Aug 26, 5:55 PM CDTFlash Flood WarningLBFGrant2 hr
Aug 26, 6:15 PM CDTSevere Thunderstorm WarningLBFGarden60 min
Aug 26, 6:31 PM CDTSevere Thunderstorm WarningLBFSheridan44 min
Aug 26, 6:42 PM CDTSevere Thunderstorm WarningLBFArthur, McPherson63 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.