Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 9, NWS Omaha, NE

May 29, 2000Platte County, Nebraska

NWS Omaha, NE issued this tornado warning at May 29, 2000, 10:59 PM CDT for Platte County, Nebraska. It was in force for 46 min. 3 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 29, 2000, 10:59 PM CDT (03:59 UTC)
Expired
May 29, 2000, 11:45 PM CDT
In force
46 min
Issued by
NWS Omaha, NE
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Platte County, NE

The radar

The Omaha radar (KOAX), 113 km from the middle of the area, began a volume at 04:03 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
May 29, 11:00 PM CDTTornado F0Humphrey, NEThe Humphrey police reported a brief touchdown of a small tornado in Humphrey. This tornado possibly could have been spun up on the leading edge of the bow echo which did the most damage over northwest Platte county in the Lindsay area.
May 29, 11:00 PM CDTThunderstorm Wind 60 EHumphrey, NEBesides possibly producing the spin up tornado in Humphrey, the strong winds associated with the thunderstorm that caused extensive damage in the Lindsay area, also caused damage in Humphrey. Besides tree damage, a newly erected grain bin was partially destro
May 29, 11:39 PM CDTThunderstorm Wind 60 EHumphrey, NESemi truck overturned by thunderstorm wind gusts. These winds reportedly occurred behind the main line of thunderstorms, possibly a wake low type event that sometimes occurs after intense thunderstorms pass through.

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
May 29, 9:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.0 hours before the alert went out and 112 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 00:00Z on 2000-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1110 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2000-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1110 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
2786 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KOAX 300400
TOROMA
NEC141-300445-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
1059 PM CDT MON MAY 29 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  PLATTE COUNTY IN NORTHEAST NEBRASKA

* UNTIL 1145 PM CDT

* AT 1057 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO ON THE GROUND 
NEAR HUMPHREY MOVING SOUTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  TARNOV AROUND 1110 PM CDT
  CRESTON AROUND 1120 PM CDT

LAW ENFORCEMENT REPORTED

TAKE COVER NOW IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST
LEVEL OF A STRONG BUILDING. CARS AND MOBILE HOMES SHOULD BE
ABANDONED. GO TO A SAFE PLACE NOW.'

LAT...LON 4169 9786 4156 9770 4150 9750 4174 9733

ZAPOTOCNY

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 9:46 PM CDTSevere Thunderstorm WarningOAXAntelope44 min
May 29, 10:16 PM CDTSevere Thunderstorm WarningOAXBoone44 min
May 29, 10:25 PM CDTSevere Thunderstorm WarningOAXMadison, Platte45 min
May 29, 10:25 PM CDTSevere Thunderstorm WarningOAXPierce45 min
May 29, 10:26 PM CDTSevere Thunderstorm WarningOAXAntelope34 min
May 29, 11:03 PM CDTSevere Thunderstorm WarningOAXButler, Colfax, Stanton42 min
May 29, 11:03 PM CDTSevere Thunderstorm WarningOAXSaline, Seward42 min
May 29, 11:03 PM CDTSevere Thunderstorm WarningOAXMadison42 min
May 29, 11:09 PM CDTSevere Thunderstorm WarningOAXCuming, Pierce, Wayne36 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders49 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXDodge49 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders34 min
May 29, 11:26 PM CDTSevere Thunderstorm WarningOAXDodge34 min
May 29, 11:38 PM CDTTornado WarningOAXCedar, Wayne52 min
May 29, 11:46 PM CDTSevere Thunderstorm WarningOAXBurt, Cuming, Dodge, Douglas, Washington59 min
May 29, 11:46 PM CDTSevere Thunderstorm WarningOAXSarpy59 min
May 29, 11:57 PM CDTSevere Thunderstorm WarningOAXThurston63 min
May 30, 12:04 AM CDTSevere Thunderstorm WarningOAXCass, Otoe56 min
May 30, 12:04 AM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Pawnee56 min
May 30, 12:04 AM CDTSevere Thunderstorm WarningOAXGage56 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.