Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 182, NWS North Platte, NE

July 21, 2000Garden County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 21, 2000, 6:05 PM MDT for Garden County, Nebraska. It was in force for 55 min. No storm report in the archive falls 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.

The facts

Issued: Jul 21, 2000, 6:05 PM MDT (00:05 UTC)
Expired: Jul 21, 2000, 7:00 PM MDT
In force: 55 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Garden County, NE

The radar

The North Platte radar (KLNX), 157 km from the middle of the area, began a volume at 00:06 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.1 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 380 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1489 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

085 
WUUS53 KLBF 220006
SVRLBF
NEC069-220100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
605 PM MDT FRI JUL 21 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GARDEN COUNTY IN NEBRASKA

* UNTIL 700 PM MDT

* AT 606 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES NORTHEAST OF OSHKOSH...MOVING SOUTHEAST
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  8 MILES NORTHEAST OF OSHKOSH AROUND 610 PM MDT
  5 MILES NORTHEAST OF LEWELLEN AROUND 630 PM 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT FRIDAY EVENING FOR
NEBRASKA.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

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

LAT...LON 4194 10268 4129 10259 4123 10208 4178 10207
$$

SPRINGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 6:18 PM MDT	Severe Thunderstorm Warning	LBF	Keith	27 min
Jul 21, 6:47 PM MDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln	28 min
Jul 21, 6:58 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	47 min
Jul 21, 7:38 PM MDT	Severe Thunderstorm Warning	LBF	Perkins	37 min
Jul 21, 7:57 PM MDT	Severe Thunderstorm Warning	LBF	Chase, Hayes	33 min
Jul 21, 8:29 PM MDT	Severe Thunderstorm Warning	LBF	Frontier	61 min
Jul 22, 3:07 PM MDT	Severe Thunderstorm Warning	LBF	Custer	53 min
Jul 22, 3:41 PM MDT	Severe Thunderstorm Warning	LBF	Rock	34 min
Jul 22, 4:01 PM MDT	Severe Thunderstorm Warning	LBF	Custer	44 min
Jul 22, 4:12 PM MDT	Severe Thunderstorm Warning	LBF	Holt	63 min
Jul 22, 4:46 PM MDT	Severe Thunderstorm Warning	LBF	Custer	29 min
Jul 22, 4:51 PM MDT	Severe Thunderstorm Warning	LBF	Rock	54 min
Jul 22, 5:16 PM MDT	Severe Thunderstorm Warning	LBF	Custer	29 min
Jul 22, 5:21 PM MDT	Severe Thunderstorm Warning	LBF	Holt	54 min
Jul 22, 5:42 PM MDT	Severe Thunderstorm Warning	LBF	Rock	63 min
Jul 22, 5:53 PM MDT	Severe Thunderstorm Warning	LBF	Wheeler	67 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.