Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 17, NWS Omaha, NE

June 13, 2000Douglas County, Sarpy County, Nebraska; Pottawattamie County, Iowa

NWS Omaha, NE issued this tornado warning at Jun 13, 2000, 2:02 PM CDT for Douglas County, Sarpy County, Nebraska; Pottawattamie County, Iowa. It was in force for 43 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: Jun 13, 2000, 2:02 PM CDT (19:02 UTC)
Expired: Jun 13, 2000, 2:45 PM CDT
In force: 43 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Pottawattamie County, IA, Douglas County, NE, Sarpy County, NE

The radar

The Omaha radar (KOAX), 23 km from the middle of the area, began a volume at 19:04 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
Jun 13, 2:19 PM CDT	Hail 1.75	Omaha, NE	Golfball size hail was reported from 144th and West Maple Road to 132nd and Fort Street in west Omaha.

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
Jun 13, 2:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.0 hours before the alert went out and 23 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: 997 J/kg
Mixed-layer CIN: -254 J/kg
Mixed-layer LCL: 1473 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

992 
WFUS53 KOAX 131902
TOROMA
IAC155-NEC055-153-131945-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
202 PM CDT TUE JUN 13 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  DOUGLAS COUNTY IN EAST CENTRAL NEBRASKA
  THIS INCLUDES THE CITY OF OMAHA/COUNCIL BLUFFS
  SARPY COUNTY IN EAST CENTRAL NEBRASKA
  POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA

* UNTIL 245 PM CDT

* AT 159 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 3 MILES NORTHEAST OF GRETNA...OR ABOUT 12 MILES SOUTHWEST
  OF OMAHA...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BOYS TOWN...RALSTON AROUND 210 PM CDT
  OMAHA AROUND 215 PM CDT
  COUNCIL BLUFFS AROUND 220 PM CDT
  CARTER LAKE AROUND 225 PM CDT
  CRESCENT AROUND 230 PM CDT

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 4119 9638 4107 9620 4124 9581 4150 9583

BYRD

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 11:38 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox	37 min
Jun 13, 12:39 AM CDT	Severe Thunderstorm Warning	OAX	Platte	36 min
Jun 13, 2:23 AM CDT	Severe Thunderstorm Warning	OAX	Saunders	37 min
Jun 13, 1:24 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy, Saunders	51 min
Jun 13, 1:24 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster	51 min
Jun 13, 2:13 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster, Otoe, Saunders	32 min
Jun 13, 2:28 PM CDT	Severe Thunderstorm Warning	OAX	Washington	62 min
Jun 13, 2:42 PM CDT	Tornado Warning	OAX	Cass, Sarpy	33 min
Jun 13, 2:45 PM CDT	Severe Thunderstorm Warning	OAX	Douglas	45 min
Jun 13, 2:58 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson	32 min
Jun 13, 3:03 PM CDT	Tornado Warning	OAX	Otoe	27 min
Jun 13, 3:09 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saline, Seward	36 min
Jun 13, 3:17 PM CDT	Tornado Warning	OAX	Cass	28 min
Jun 13, 3:30 PM CDT	Tornado Warning	OAX	Otoe	45 min
Jun 13, 3:36 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Pawnee	39 min
Jun 13, 3:43 PM CDT	Tornado Warning	OAX	Cass	47 min
Jun 13, 3:58 PM CDT	Tornado Warning	OAX	Dodge, Saunders	32 min
Jun 13, 3:58 PM CDT	Tornado Warning	OAX	Sarpy	32 min
Jun 13, 4:18 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Pawnee, Richardson	42 min
Jun 13, 4:29 PM CDT	Tornado Warning	OAX	Cass, Sarpy	31 min
Jun 13, 4:55 PM CDT	Tornado Warning	OAX	Burt, Washington	35 min
Jun 13, 5:00 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Pawnee	60 min
Jun 13, 5:00 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	60 min
Jun 13, 5:55 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster	35 min
Jun 13, 6:32 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	43 min
Jun 13, 3:20 PM CDT	Tornado Warning	OAX	Harrison, Shelby	40 min
Jun 13, 3:45 PM CDT	Tornado Warning	OAX	Mills	30 min
Jun 13, 4:11 PM CDT	Tornado Warning	OAX	Mills, Montgomery, Pottawattamie	34 min
Jun 13, 4:11 PM CDT	Tornado Warning	OAX	Fremont, Page	34 min
Jun 13, 4:37 PM CDT	Tornado Warning	OAX	Montgomery	23 min
Jun 13, 4:44 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	46 min
Jun 13, 5:08 PM CDT	Tornado Warning	OAX	Montgomery	37 min
Jun 13, 5:21 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	54 min
Jun 13, 5:33 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	57 min
Jun 13, 5:52 PM CDT	Flash Flood Warning	OAX	Mills	4 hr
Jun 13, 6:18 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	57 min

Nearby

Tornado Warnings in Nebraska, 2000 Tornado Warnings in Iowa, 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.