Alert archive / Nebraska / Tornado Warnings in 2002

Tornado Warning 7, NWS Omaha, NE

May 26, 2002Butler County, Seward County, Nebraska

NWS Omaha, NE issued this tornado warning at May 26, 2002, 8:05 PM CDT for Butler County, Seward County, Nebraska. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 26, 2002, 8:05 PM CDT (01:05 UTC)
Expired
May 26, 2002, 9:00 PM CDT
In force
55 min
Issued by
NWS Omaha, NE
Area
Counties, with a storm outline in the text

Counties Butler County, NE, Seward County, NE

The radar

The Omaha radar (KOAX), 71 km from the middle of the area, began a volume at 01:07 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 26, 5:30 PM CDTSevere Thunderstorm WatchSPC6 hr
May 26, 8:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.1 hours before the alert went out and 71 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 2002-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 2002-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
23 J/kg
Mixed-layer CIN
-252 J/kg
Mixed-layer LCL
2328 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
161 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 270105
TOROMA
NEC023-159-270200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
805 PM CDT SUN MAY 26 2002

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  BUTLER COUNTY IN EAST CENTRAL NEBRASKA
  SEWARD COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 900 PM CDT

* AT 802 PM CDT...RADAR INDICATED A SEVERE STORM WITH A POSSIBLE
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED FROM 24
  MILES WEST OF BELLWOOD TO 25 MILES WEST OF TAMORA...OR FROM 17
  MILES WEST OF COLUMBUS TO 6 MILES WEST OF YORK...MOVING EAST AT 35
  MPH.

* TORNADO PRODUCING STORMS ARE EXPECTED TO BE NEAR...
  SURPRISE AROUND 820 PM CDT
  RISING CITY AROUND 825 PM CDT
  ULYSSES AROUND 830 PM CDT
  GARRISON AROUND 835 PM CDT
  TAMORA...STAPLEHURST AROUND 840 PM CDT
  DWIGHT...DAVID CITY AROUND 845 PM CDT

SMALL...BRIEF BUT DANGEROUS TORNADOES ARE POSSIBLE. GO TO A BASEMENT
OR AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME OR BUSINESS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT MONDAY MORNING FOR
SOUTHEAST NEBRASKA.

LAT...LON 4136 9735 4121 9734 4081 9733 4079 9696
          4138 9698 4135 9710

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:10 PM CDTSevere Thunderstorm WarningOAXColfax, Platte65 min
May 26, 8:20 PM CDTSevere Thunderstorm WarningOAXSaline40 min
May 26, 8:37 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders38 min
May 26, 8:55 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson65 min
May 26, 8:59 PM CDTSevere Thunderstorm WarningOAXSaline31 min
May 26, 9:14 PM CDTSevere Thunderstorm WarningOAXLancaster, Saunders31 min
May 26, 9:23 PM CDTSevere Thunderstorm WarningOAXCass, Johnson, Otoe52 min
May 26, 10:06 PM CDTSevere Thunderstorm WarningOAXPawnee39 min

Nearby

Tornado Warnings in Nebraska, 2002Every tornado warning in 2002Tornadoes in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.