Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 2, NWS Omaha, NE

April 8, 2001Gage County, Nebraska

NWS Omaha, NE issued this tornado warning at Apr 8, 2001, 8:59 PM CDT for Gage County, Nebraska. It was in force for 31 min. No storm report in the archive falls 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.

The facts

Issued: Apr 8, 2001, 8:59 PM CDT (01:59 UTC)
Expired: Apr 8, 2001, 9:30 PM CDT
In force: 31 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Gage County, NE

The radar

The Omaha radar (KOAX), 113 km from the middle of the area, began a volume at 01:59 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
Apr 8, 7:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.0 hours before the alert went out and 113 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: 2 J/kg
Mixed-layer CIN: -182 J/kg
Mixed-layer LCL: 2153 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 300 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 090200
TOROMA
NEC067-090230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
859 PM CDT SUN APR 8 2001

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN GAGE COUNTY IN SOUTHEAST NEBRASKA
  THIS INCLUDES THE CITY OF BEATRICE

* UNTIL 930 PM CDT

* AT 859 PM CDT...RADAR INDICATED A THUNDERSTORM WITH STRONG ROTATION
  AND A POSSIBLE TORNADO 4 MILES NORTHEAST OF BEATRICE...MOVING 
  NORTHEAST AT 25 MPH.

* SOME LOCATIONS AFFECTED...
  FILLEY...VIRGINIA
  CORTLAND
  ADAMS

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 L2OWEST LEVEL
OF YOUR HOME OR BUSINESS. AVOID WINDOWS.

LAT...LON 4054 9673 4000 9679 4001 9647 4053 9649

MEAD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 7:27 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson, Saline	33 min
Apr 8, 7:44 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster	31 min
Apr 8, 7:55 PM CDT	Severe Thunderstorm Warning	OAX	Cass	35 min
Apr 8, 8:01 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson, Saline	29 min
Apr 8, 8:10 PM CDT	Severe Thunderstorm Warning	OAX	Sarpy	50 min
Apr 8, 8:13 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster	32 min
Apr 8, 8:26 PM CDT	Severe Thunderstorm Warning	OAX	Cass	34 min
Apr 8, 8:31 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson	29 min
Apr 8, 8:37 PM CDT	Tornado Warning	OAX	Gage	23 min
Apr 8, 8:40 PM CDT	Flash Flood Warning	OAX	Lancaster	3 hr
Apr 8, 9:07 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson	23 min
Apr 8, 9:11 PM CDT	Severe Thunderstorm Warning	OAX	Gage	34 min
Apr 8, 9:12 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	33 min
Apr 8, 9:17 PM CDT	Severe Thunderstorm Warning	OAX	Johnson	28 min
Apr 8, 9:31 PM CDT	Tornado Warning	OAX	Gage	29 min
Apr 8, 9:47 PM CDT	Tornado Warning	OAX	Johnson	28 min
Apr 8, 10:16 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha	29 min
Apr 8, 10:46 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha	29 min
Apr 8, 11:11 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Otoe	34 min
Apr 8, 11:13 PM CDT	Severe Thunderstorm Warning	OAX	Gage	32 min
Apr 8, 11:32 PM CDT	Severe Thunderstorm Warning	OAX	Johnson	28 min
Apr 8, 11:44 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Otoe	31 min

Nearby

Tornado Warnings in Nebraska, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.