Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 23, NWS Omaha, NE

June 13, 2000Cass County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 13, 2000, 3:43 PM CDT for Cass County, Nebraska. It was in force for 47 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, 3:43 PM CDT (20:43 UTC)
Expired
Jun 13, 2000, 4:30 PM CDT
In force
47 min
Issued by
NWS Omaha, NE
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Cass County, NE

The radar

The Omaha radar (KOAX), 46 km from the middle of the area, began a volume at 20:44 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

TimeReportWhereRemark
Jun 13, 3:58 PM CDTHail 1Louisville, NE

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.

IssuedProductOfficeLasted
Jun 13, 2:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.7 hours before the alert went out and 46 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 997 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

000 
WFUS53 KOAX 132044
TOROMA
NEC025-132130-

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

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  CASS COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 430 PM CDT

* AT 334 PM CDT...RADAR INDICATED THUNDERSTORMS CAPABLE OF PRODUCING
  TORNADOES 3 MILES WEST OF ELMWOOD...OR ABOUT 18 MILES EAST OF
  LINCOLN...MOVING NORTHEAST AT 2t0 MPH.

*   

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT TUESDAY EVENING
FOR SOUTHWESTERN IOWA AND EASTERN NEBRASKA.

LAT...LON 4088 9645 4079 9625 4101 9588 4103 9618

SKERRITT

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 11:38 PM CDTSevere Thunderstorm WarningOAXAntelope, Knox37 min
Jun 13, 12:39 AM CDTSevere Thunderstorm WarningOAXPlatte36 min
Jun 13, 2:23 AM CDTSevere Thunderstorm WarningOAXSaunders37 min
Jun 13, 1:24 PM CDTSevere Thunderstorm WarningOAXDouglas, Sarpy, Saunders51 min
Jun 13, 1:24 PM CDTSevere Thunderstorm WarningOAXCass, Lancaster51 min
Jun 13, 2:02 PM CDTTornado WarningOAXDouglas, Sarpy43 min
Jun 13, 2:13 PM CDTSevere Thunderstorm WarningOAXCass, Lancaster, Otoe, Saunders32 min
Jun 13, 2:28 PM CDTSevere Thunderstorm WarningOAXWashington62 min
Jun 13, 2:42 PM CDTTornado WarningOAXCass, Sarpy33 min
Jun 13, 2:45 PM CDTSevere Thunderstorm WarningOAXDouglas45 min
Jun 13, 2:58 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson32 min
Jun 13, 3:03 PM CDTTornado WarningOAXOtoe27 min
Jun 13, 3:09 PM CDTSevere Thunderstorm WarningOAXLancaster, Saline, Seward36 min
Jun 13, 3:17 PM CDTTornado WarningOAXCass28 min
Jun 13, 3:30 PM CDTTornado WarningOAXOtoe45 min
Jun 13, 3:36 PM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Pawnee39 min
Jun 13, 3:58 PM CDTTornado WarningOAXDodge, Saunders32 min
Jun 13, 3:58 PM CDTTornado WarningOAXSarpy32 min
Jun 13, 4:18 PM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Pawnee, Richardson42 min
Jun 13, 4:29 PM CDTTornado WarningOAXCass, Sarpy31 min
Jun 13, 4:55 PM CDTTornado WarningOAXBurt, Washington35 min
Jun 13, 5:00 PM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Pawnee60 min
Jun 13, 5:00 PM CDTSevere Thunderstorm WarningOAXRichardson60 min
Jun 13, 5:55 PM CDTSevere Thunderstorm WarningOAXGage, Lancaster35 min
Jun 13, 6:32 PM CDTSevere Thunderstorm WarningOAXRichardson43 min

Nearby

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