Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 211, NWS North Platte, NE

August 26, 2002Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 26, 2002, 6:54 AM MDT for Cherry County, Nebraska. It was in force for 51 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, 6:54 AM MDT (12:54 UTC)
Expired
Aug 26, 2002, 7:45 AM MDT
In force
51 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Cherry County, NE

The radar

The North Platte radar (KLNX), 80 km from the middle of the area, began a volume at 12:58 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, 7:00 AM MDTHail 1Cody, 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 12:00Z, 0.9 hours before the alert went out and 169 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 2002-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1929 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 12:00Z on 2002-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
1929 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
1191 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

177 
WUUS53 KLBF 261254
SVRLBF
NEC031-261345-

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 845 AM CDT(745 AM MDT)...

* AT 748 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM 10 MILES EAST OF
  BROWNLEE...OR ABOUT 27 MILES SOUTHWEST OF AINSWORTH...MOVING
  SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE...

  OVER RURAL RAEAS ALONG AND EAST OF HIGHWAY 83 TO THE EAST OF       
  BROWNLEE

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 4298 10142 4210 10136 4211 10019 4297 10023

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 3:26 AM MDTSevere Thunderstorm WarningLBFKeya Paha64 min
Aug 26, 3:49 AM MDTSevere Thunderstorm WarningLBFRock56 min
Aug 26, 4:14 AM MDTSevere Thunderstorm WarningLBFRock31 min
Aug 26, 4:45 AM MDTSevere Thunderstorm WarningLBFHolt, Rock60 min
Aug 26, 5:07 AM MDTSevere Thunderstorm WarningLBFHolt53 min
Aug 26, 7:22 AM MDTSevere Thunderstorm WarningLBFBlaine, Brown53 min
Aug 26, 8:05 AM MDTSevere Thunderstorm WarningLBFCuster, Loup55 min
Aug 26, 8:12 AM MDTSevere Thunderstorm WarningLBFRock48 min
Aug 26, 8:24 AM MDTSevere Thunderstorm WarningLBFBlaine36 min
Aug 26, 12:17 PM MDTSevere Thunderstorm WarningLBFCherry58 min
Aug 26, 12:36 PM MDTTornado WarningLBFCherry39 min
Aug 26, 12:54 PM MDTSevere Thunderstorm WarningLBFChase66 min
Aug 26, 1:17 PM MDTTornado WarningLBFCherry58 min
Aug 26, 2:16 PM MDTSevere Thunderstorm WarningLBFCherry59 min
Aug 26, 2:29 PM MDTSevere Thunderstorm WarningLBFSheridan61 min
Aug 26, 3:03 PM MDTTornado WarningLBFSheridan57 min
Aug 26, 3:03 PM MDTTornado WarningLBFSheridan57 min
Aug 26, 3:15 PM MDTSevere Thunderstorm WarningLBFCherry60 min
Aug 26, 3:49 PM MDTSevere Thunderstorm WarningLBFGrant, Hooker, Thomas56 min
Aug 26, 4:03 PM MDTSevere Thunderstorm WarningLBFSheridan57 min
Aug 26, 4:29 PM MDTSevere Thunderstorm WarningLBFSheridan61 min
Aug 26, 4:47 PM MDTSevere Thunderstorm WarningLBFGrant, Hooker, Thomas58 min
Aug 26, 4:55 PM MDTFlash Flood WarningLBFGrant2 hr
Aug 26, 5:15 PM MDTSevere Thunderstorm WarningLBFGarden60 min
Aug 26, 5:31 PM MDTSevere Thunderstorm WarningLBFSheridan44 min
Aug 26, 5:42 PM MDTSevere 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.