Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 7, NWS Hastings, NE

April 11, 2001Nuckolls County, Nebraska

NWS Hastings, NE issued this tornado warning at Apr 11, 2001, 1:29 AM CDT for Nuckolls County, Nebraska. It was in force for 31 min. 1 report 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: Apr 11, 2001, 1:29 AM CDT (06:29 UTC)
Expired: Apr 11, 2001, 2:00 AM CDT
In force: 31 min
Issued by: NWS Hastings, NE
Area: Whole counties

County Nuckolls County, NE

What was reported inside it

Time	Report	Where	Remark
Apr 11, 1:39 AM CDT	Tornado F1	Mt Clare, NE	Tornado stayed mainly in open country

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
Apr 10, 10:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 6.5 hours before the alert went out and 190 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: 18 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 493 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KGID 110631
TORGRI
NEC129-110700-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
129 AM CDT WED APR 11 2001

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  NUCKOLLS COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 200 AM CDT

* AT 129 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  A DEVELOPING TORNADO 2 MILES SOUTHWEST OF SUPERIOR...OR ABOUT 38 
  MILES NORTHWEST OF CONCORDIA...MOVING NORTHEAST AT 35 MPH.

* TORNADO IS EXPECTED TO BE NEAR...
  NORA AT 145 AM CDT
  RUSKIN AT 155 AM CDT
  OAK AT 200 AM CDT

PEOPLE IN NUCKOLLS COUNTY SHOULD TAKE SHELTER IMMEDIATELY IN A
BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR.

IF IN A MOBILE HOME...LEAVE IT IMMEDIATELY AND GET INSIDE A STURDY
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
AND COVER YOUR HEAD WITH YOUR HANDS.

THIS TORNADO WARNING REPLACED THE SEVEFRE THUNDERSTORM WARNING 
ISSUED EARLIER FOR NUCKOLLS COUNTY. 

$$

LAT...LON 4004 9820 4001 9791 4011 9783 4032 9788

DDN

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 7:57 PM CDT	Severe Thunderstorm Warning	GID	Sherman	48 min
Apr 10, 8:22 PM CDT	Severe Thunderstorm Warning	GID	Howard	38 min
Apr 10, 9:12 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Nance	48 min
Apr 11, 12:44 AM CDT	Severe Thunderstorm Warning	GID	Merrick	46 min
Apr 11, 12:51 AM CDT	Severe Thunderstorm Warning	GID	Webster	39 min
Apr 11, 12:53 AM CDT	Severe Thunderstorm Warning	GID	Polk	52 min
Apr 11, 1:11 AM CDT	Tornado Warning	GID	Webster	49 min
Apr 11, 1:13 AM CDT	Severe Thunderstorm Warning	GID	Nuckolls	47 min
Apr 11, 1:31 AM CDT	Severe Thunderstorm Warning	GID	Thayer	59 min

Nearby

Tornado Warnings in Nebraska, 2001 Every tornado warning in 2001 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.