Alert archive / Nebraska / Tornado Warnings in 2002

Tornado Warning 9, NWS Omaha, NE

June 10, 2002Colfax County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 10, 2002, 9:32 PM CDT for Colfax County, Nebraska. It was in force for 28 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: Jun 10, 2002, 9:32 PM CDT (02:32 UTC)
Expired: Jun 10, 2002, 10:00 PM CDT
In force: 28 min
Issued by: NWS Omaha, NE
Area: Counties, with a storm outline in the text

County Colfax County, NE

The radar

The Omaha radar (KOAX), 64 km from the middle of the area, began a volume at 02:35 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.

Issued	Product	Office	Lasted
Jun 10, 6:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 10, 9:30 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.5 hours before the alert went out and 64 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: 4189 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1042 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 13.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KOAX 110232
TOROMA
NEC037-110300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
932 PM CDT MON JUN 10 2002

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

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

* UNTIL 1000 PM CDT

* AT 930 PM CDT...RADAR INDICATED A SEVERE STORM WITH A POSSIBLE
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 4 MILES
  NORTH OF SCHUYLER...OR ABOUT 16 MILES EAST OF COLUMBUS...MOVING
  NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED...
RURAL CENTRAL COLFAX COUNTY
RURAL EASTERN COLFAX COUNTY
RURAL NORTHEASTERN COLFAX COUNTY

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 4152 9723 4139 9706 4161 9690 4174 9694

GRIFFIS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:53 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Platte	37 min
Jun 10, 9:18 PM CDT	Tornado Warning	OAX	Butler	27 min
Jun 10, 9:23 PM CDT	Severe Thunderstorm Warning	OAX	Seward	52 min
Jun 10, 9:38 PM CDT	Severe Thunderstorm Warning	OAX	Burt	37 min
Jun 10, 9:51 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	24 min
Jun 10, 10:03 PM CDT	Severe Thunderstorm Warning	OAX	Dodge, Lancaster, Saunders	27 min
Jun 10, 10:15 PM CDT	Severe Thunderstorm Warning	OAX	Burt	30 min
Jun 10, 10:24 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy, Saunders	36 min
Jun 10, 10:33 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Pierce	27 min
Jun 10, 10:41 PM CDT	Severe Thunderstorm Warning	OAX	Washington	34 min
Jun 10, 11:03 PM CDT	Severe Thunderstorm Warning	OAX	Pierce	42 min
Jun 10, 11:25 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	35 min
Jun 10, 11:31 PM CDT	Severe Thunderstorm Warning	OAX	Platte	44 min
Jun 11, 12:06 AM CDT	Severe Thunderstorm Warning	OAX	Colfax	39 min
Jun 11, 12:15 AM CDT	Severe Thunderstorm Warning	OAX	Platte	30 min
Jun 11, 12:49 AM CDT	Severe Thunderstorm Warning	OAX	Platte	26 min

Nearby

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