Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 76, NWS North Platte, NE

May 29, 2000Blaine County, Custer County, Loup County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 29, 2000, 8:45 PM CDT for Blaine County, Custer County, Loup County, Nebraska. It was in force for 60 min. 6 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 29, 2000, 8:45 PM CDT (01:45 UTC)
Expired: May 29, 2000, 9:45 PM CDT
In force: 60 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Blaine County, NE, Custer County, NE, Loup County, NE

The radar

The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 01:45 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

Time	Report	Where	Remark
May 29, 8:50 PM CDT	Thunderstorm Wind 61 E	Oconto, NE
May 29, 8:50 PM CDT	Thunderstorm Wind 52 E	Brewster, NE
May 29, 9:00 PM CDT	Thunderstorm Wind 52 E	Almeria, NE
May 29, 9:15 PM CDT	Hail 0.88	Anselmo, NE	Thunderstorm winds estimated at 65 miles per hour.
May 29, 9:15 PM CDT	Thunderstorm Wind	Oconto, NE	Large tree limbs down
May 29, 9:40 PM CDT	Thunderstorm Wind	Mason City, NE	Large tree limbs down

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 29, 6:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.8 hours before the alert went out and 100 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: 1075 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 3109 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 289 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.0

Open this sounding in Storm Lab

The text

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

725 
WUUS53 KLBF 300145
SVRLBF
NEC009-041-115-300245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
845 PM CDT MON MAY 29 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LOUP COUNTY IN NORTH CENTRAL NEBRASKA
  NORTHERN CUSTER COUNTY IN CENTRAL NEBRASKA
  SOUTHERN BLAINE COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 945 PM CDT. THIS REPLACES THE SEVERE THUNDERSTORM WARNING    
  FOR SOUTHERN BLAINE AND NORTHWEST CUSTER COUNTY.

* AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES WEST OF MILBURN...OR ABOUT 14 MILES    
  SOUTH OF BREWSTER...MOVING EAST AT 30 MPH.  

* THE SEVERE THUNDERSTORM WILL BE...
  15 MILES NORTH OF MERNA AROUND 855 PM CDT
  NEAR GATES AROUND 900 PM CDT
  NEAR ALMERIA AROUND 900 PM CDT
  10 MILES SOUTH OF TAYLOR AROUND 915 PM CDT
  NEAR SARGENT AROUND 925 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.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT
TUESDAY MORNING FOR NORTHWESTERN NEBRASKA.

NNNN
$$
CDC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:05 PM CDT	Severe Thunderstorm Warning	LBF	Keith	40 min
May 29, 7:30 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, McPherson	45 min
May 29, 7:50 PM CDT	Tornado Warning	LBF	Lincoln	25 min
May 29, 8:00 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer	45 min
May 29, 8:14 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	46 min
May 29, 8:27 PM CDT	Severe Thunderstorm Warning	LBF	Custer	63 min
May 29, 8:52 PM CDT	Tornado Warning	LBF	Custer	38 min
May 29, 9:06 PM CDT	Severe Thunderstorm Warning	LBF	Holt	54 min
May 29, 9:33 PM CDT	Severe Thunderstorm Warning	LBF	Custer	27 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.