Alert archive / Nebraska / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 261, NWS North Platte, NE

August 2, 2001Holt County, Wheeler County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 2, 2001, 4:43 AM CDT for Holt County, Wheeler County, Nebraska. It was in force for 62 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: Aug 2, 2001, 4:43 AM CDT (09:43 UTC)
Expired: Aug 2, 2001, 5:45 AM CDT
In force: 62 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Holt County, NE, Wheeler County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 9.7 hours before the alert went out and 212 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: 1750 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1040 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

767 
WUUS53 KLBF 020943
SVRLBF
NEC089-183-021045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
443 AM CDT THU AUG 2 2001

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WHEELER COUNTY IN NORTH CENTRAL NEBRASKA
  HOLT COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 545 AM CDT

* AT 437 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM 3 MILES SOUTH OF
  ATKINSON TO 20 MILES SOUTHEAST OF CHAMBERS...OR ALONG A LINE
  EXTENDING FROM 18 MILES WEST OF ONEILL TO 23 MILES WEST OF
  ELGIN...MOVING NORTHEAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE...

  OVER EMMET AROUND 455 AM CDT
  OVER ONEILL AROUND 515 AM CDT
  OVER INMAN AROUND 520 AM CDT
  OVER EWING AROUND 525 AM CDT
  OVER PAGE AROUND 535 AM 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.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS.

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

LAT...LON 4254 9912 4197 9867 4197 9832 4224 9800
          4277 9847

$$
JWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 11:24 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Perkins	66 min
Aug 1, 11:30 PM CDT	Severe Thunderstorm Warning	LBF	Deuel, Keith	60 min
Aug 2, 12:28 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	62 min
Aug 2, 1:15 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	60 min
Aug 2, 1:49 AM CDT	Severe Thunderstorm Warning	LBF	Custer, Logan	56 min
Aug 2, 4:29 AM CDT	Severe Thunderstorm Warning	LBF	Garfield	31 min
Aug 2, 5:14 AM CDT	Severe Thunderstorm Warning	LBF	Boyd	46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2001 Every severe thunderstorm warning in 2001

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.