Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 4, NWS Omaha, NE

May 8, 2000Nemaha County, Otoe County, Nebraska

NWS Omaha, NE issued this tornado warning at May 8, 2000, 3:17 AM CDT for Nemaha County, Otoe County, Nebraska. It was in force for 28 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: May 8, 2000, 3:17 AM CDT (08:17 UTC)
Expired: May 8, 2000, 3:45 AM CDT
In force: 28 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Nemaha County, NE, Otoe County, NE

What was reported inside it

Time	Report	Where	Remark
May 8, 3:30 AM CDT	Thunderstorm Wind 65 E	Auburn, NE	Possible thunderstorm microburst downed a few trees and blew a roof off of a garage.

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 8, 1:00 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 8.3 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: 2120 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1168 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KOAX 080818
TOROMA
NEC127-131-080845-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
317 AM CDT MON MAY 8 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  NEMAHA COUNTY IN SOUTHEAST NEBRASKA
  EASTERN OTOE COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 345 AM CDT

* AT 312 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 7 MILES WEST OF TALMAGE...OR ABOUT 35 MILES NORTHEAST OF
  BEATRICE...MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BROCK...DUNBAR AT 325 AM CDT
  JULIAN AT 335 AM CDT
  NEBRASKA CITY AT 340 AM CDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDER#STORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT MONDAY
MORNING FOR SOUTHWESTERN IOWA AND SOUTHEASTERN NEBRASKA.

LAT...LON 4077 9610 4030 9602 4029 9566 4077 9592

B SMITH

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 10:16 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox	59 min
May 7, 10:44 PM CDT	Severe Thunderstorm Warning	OAX	Knox	46 min
May 7, 11:09 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	51 min
May 7, 11:29 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Platte	46 min
May 7, 11:33 PM CDT	Severe Thunderstorm Warning	OAX	Wayne	42 min
May 8, 12:20 AM CDT	Severe Thunderstorm Warning	OAX	Colfax	40 min
May 8, 1:07 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saunders, Seward	53 min
May 8, 1:58 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Saline, Seward	47 min
May 8, 2:28 AM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saunders	47 min
May 8, 2:41 AM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Otoe	49 min
May 8, 2:41 AM CDT	Severe Thunderstorm Warning	OAX	Pawnee	49 min
May 8, 3:00 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy, Saunders	45 min
May 8, 3:29 AM CDT	Severe Thunderstorm Warning	OAX	Richardson	31 min

Nearby

Tornado Warnings in Nebraska, 2000 Every tornado warning in 2000 Tornadoes 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.