Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 7, NWS Omaha, NE

May 17, 2000Cuming County, Stanton County, Wayne County, Nebraska

NWS Omaha, NE issued this tornado warning at May 17, 2000, 6:15 PM CDT for Cuming County, Stanton County, Wayne County, Nebraska. It was in force for 45 min. 4 reports 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 17, 2000, 6:15 PM CDT (23:15 UTC)
Expired: May 17, 2000, 7:00 PM CDT
In force: 45 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Cuming County, NE, Stanton County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 99 km from the middle of the area, began a volume at 23:19 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 17, 6:55 PM CDT	Thunderstorm Wind 65 E	Stanton, NE	A car was blown off the road by a thunderstorm gust estimated at 75 mph.
May 17, 6:58 PM CDT	Hail 0.75	Wayne, NE
May 17, 7:00 PM CDT	Thunderstorm Wind 61 E	Pilger, NE	A thunderstorm wind gust of 70 mph was estimated by a Stanton radio station employee.
May 17, 7:08 PM CDT	Hail 1	Wayne, NE	One inch hail reported by Ham radio operator.

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 17, 4:15 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.3 hours before the alert went out and 99 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: 1753 J/kg
Mixed-layer CIN: -269 J/kg
Mixed-layer LCL: 902 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

931 
WFUS53 KOAX 172316
TOROMA
NEC039-167-179-180000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
615 PM CDT WED MAY 17 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CUMING COUNTY IN NORTHEAST NEBRASKA
  NORTHERN STANTON COUNTY IN NORTHEAST NEBRASKA
  WAYNE COUNTY IN NORTHEAST NEBRASKA

* UNTIL 700 PM CDT

* AT 614 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A POSSIBLE TORNADO NEAR STANTON...OR ABOUT 13 MILES SOUTHEAST OF   
  NORFOLK...  MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS IN THE PATH OF THE TORNADO THROUGH 700 PM CDT
  INCLUDE...
  PILGER
  WISNER
  WAYNE

IF YOU ARE IN THE PATH OF A TORNADO...GO TO A BASEMENT. IF A BASEMENT
IS NOT AVAILABLE...TAKE COVER IN AN INTERIOR ROOM ON THE LOWEST LEVEL
OF YOUR HOME OR BUSINESS. AVOID WINDOWS.

LAT...LON 4193 9736 4181 9720 4202 9676 4219 9688
          4226 9707

BYRD

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 3:26 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Platte	64 min
May 17, 4:11 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Madison, Pierce	34 min
May 17, 4:31 PM CDT	Severe Thunderstorm Warning	OAX	Platte	29 min
May 17, 5:15 PM CDT	Tornado Warning	OAX	Madison, Platte, Stanton	30 min
May 17, 5:45 PM CDT	Tornado Warning	OAX	Colfax, Platte, Stanton	30 min
May 17, 6:58 PM CDT	Severe Thunderstorm Warning	OAX	Wayne	47 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; radar from the NEXRAD Level II archive.