Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 73, NWS North Platte, NE

June 15, 2002Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 15, 2002, 5:21 AM MDT for Sheridan County, Nebraska. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 15, 2002, 5:21 AM MDT (11:21 UTC)
Expired
Jun 15, 2002, 6:15 AM MDT
In force
54 min
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

County Sheridan County, NE

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 11.4 hours before the alert went out and 149 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, Rapid City, SD at 00:00Z on 2002-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Rapid City, SD at 00:00Z on 2002-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2530 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
128 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 151121
SVRLBF
NEC161-151215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
519 AM MDT SAT JUN 15 2002

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN SHERIDAN COUNTY IN THE PANHANDLE OF NEBRASKA...

* UNTIL 615 AM MDT...

* AT 511 AM MDT...AMATEUR RADIO WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM 4 MILES SOUTHWEST OF RUSHVILLE...MOVING EAST AT 25    
  MPH.  LOCATIONS NEAR HIGHWAY 20 COULD EXPERIENCE LARGE HAIL.

* THE SEVERE THUNDERSTORM WILL BE...

  NEAR RUSHVILLE AROUND 530 AM MDT...
  5 MILES SOUTH OF CLINTON AROUND 545 AM MDT...   
  7 MILES SOUTH OF GORDON AROUND 555 AM 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 WHICH MAY CAUSE 
SERIOUS INJURY AND SEVERE DAMAGE TO PROPERTY. MOVE TO A STURDY 
BUILDING AND STAY AWAY FROM WINDOWS.

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

LAT...LON 4296 10274 4245 10271 4247 10210 4295 10213

$$
CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 8:10 AM MDTSevere Thunderstorm WarningLBFGrant35 min
Jun 15, 8:34 AM MDTSevere Thunderstorm WarningLBFArthur, McPherson41 min
Jun 15, 9:08 AM MDTSevere Thunderstorm WarningLBFMcPherson37 min
Jun 15, 9:46 AM MDTSevere Thunderstorm WarningLBFLincoln59 min
Jun 15, 10:13 AM MDTSevere Thunderstorm WarningLBFLincoln32 min
Jun 15, 10:45 AM MDTSevere Thunderstorm WarningLBFFrontier, Hayes, Lincoln60 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; the sounding from the Mesonet's radiosonde archive.