Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 64, NWS North Platte, NE

May 26, 2000Keith County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 26, 2000, 4:23 PM MDT for Keith County, Nebraska. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 26, 2000, 4:23 PM MDT (22:23 UTC)
Expired: May 26, 2000, 5:30 PM MDT
In force: 67 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Keith County, NE

The radar

The North Platte radar (KLNX), 124 km from the middle of the area, began a volume at 22:24 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 12:00Z, 10.4 hours before the alert went out and 89 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: 2 J/kg
Mixed-layer CIN: -268 J/kg
Mixed-layer LCL: 989 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 138 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.

149 
WUUS53 KLBF 262224
SVRLBF
NEC101-262330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
423 PM MDT FRI MAY 26 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN KEITH COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 530 PM MDT

* AT 424 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES WEST OF LEMOYNE...OR ABOUT 14 MILES
  NORTHWEST OF OGALLALA...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  10 MILES NORTH OF BRULE AROUND 440 PM MDT
  4 MILES SOUTH OF LEMOYNE AROUND 445 PM MDT
  6 MILES NORTH OF OGALLALA AROUND 505 PM MDT
  NEAR KEYSTONE AROUND 520 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.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL WHICH MAY CAUSE 
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.
$$

JRS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 6:09 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	66 min
May 26, 3:22 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	38 min
May 26, 3:38 PM MDT	Severe Thunderstorm Warning	LBF	Garden	67 min
May 26, 4:30 PM MDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes	60 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.