Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 201, NWS North Platte, NE

July 22, 2000Garfield County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 22, 2000, 8:33 PM CDT for Garfield County, Nebraska. It was in force for 57 min. 4 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jul 22, 2000, 8:33 PM CDT (01:33 UTC)
Expired
Jul 22, 2000, 9:30 PM CDT
In force
57 min
Issued by
NWS North Platte, NE
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Garfield County, NE

What was reported inside it

TimeReportWhereRemark
Jul 22, 8:43 PM CDTHail 1.75Burwell, NE
Jul 22, 8:50 PM CDTHail 0.88Burwell, NE
Jul 22, 9:00 PM CDTHail 1.75Burwell, NE
Jul 22, 9:30 PM CDTHail 1.75Burwell, 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, 1.6 hours before the alert went out and 162 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 2000-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1000 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 2000-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
1000 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2009 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 230133
SVRLBF
NEC071-230230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
833 PM CDT SAT JUL 22 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 831 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES NORTHEAST OF BURWELL...MOVING SOUTH AT
  20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  7 MILES EAST OF BURWELL 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.

LAT...LON 4207 9885 4207 9916 4175 9916 4174 9886

$$
DJB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 7:58 PM CDTSevere Thunderstorm WarningLBFWheeler32 min
Jul 22, 8:15 PM CDTSevere Thunderstorm WarningLBFBlaine30 min
Jul 22, 8:42 PM CDTSevere Thunderstorm WarningLBFBlaine63 min
Jul 22, 9:07 PM CDTSevere Thunderstorm WarningLBFLoup53 min
Jul 22, 9:25 PM CDTSevere Thunderstorm WarningLBFGarfield50 min
Jul 22, 9:42 PM CDTSevere Thunderstorm WarningLBFCuster63 min
Jul 22, 10:42 PM CDTSevere Thunderstorm WarningLBFCuster63 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning in 2000

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.