Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 82, NWS Omaha, NE

October 9, 2001Madison County, Platte County, Stanton County, Nebraska

NWS Omaha, NE issued this tornado warning at Oct 9, 2001, 7:44 PM CDT for Madison County, Platte County, Stanton County, Nebraska. It was in force for 46 min. 4 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: Oct 9, 2001, 7:44 PM CDT (00:44 UTC)
Expired: Oct 9, 2001, 8:30 PM CDT
In force: 46 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Madison County, NE, Platte County, NE, Stanton County, NE

The radar

The Omaha radar (KOAX), 109 km from the middle of the area, began a volume at 00:44 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

Time	Report	Where	Remark
Oct 9, 7:50 PM CDT	Hail 1	Madison, NE
Oct 9, 7:52 PM CDT	Thunderstorm Wind 70 E	Humphrey, NE	This storm produced thunderstorm wind gusts estimated at around 80 mph downing numerous trees and large tree limbs in the Humphrey area. Also a city maintenance building roof was blown off. Although funnel clouds were reported with the storm, no tornadoes to
Oct 9, 8:00 PM CDT	Thunderstorm Wind 70 E	Stanton, NE	This was the first of 2 supercells that tracked across parts of Stanton county this evening causing damage. Thunderstorm winds estimated at over 80 mph downed power lines and destroyed several hog and grain bins south of Stanton.
Oct 9, 8:25 PM CDT	Thunderstorm Wind 70 E	Stanton, NE	The second supercell to track across Stanton county this evening also produced thunderstorm winds estimated at around 80 mph. The damage from this storm, a hog barn destroyed and several trees uprooted, was a little farther south than the first storm.

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.

Issued	Product	Office	Lasted
Oct 9, 3:30 PM CDT	Tornado Watch	SPC	6 hr
Oct 9, 7:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.7 hours before the alert went out and 109 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: 941 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 828 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 261 m²/s²
0-3 km storm-relative helicity: 351 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

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

549 
WFUS53 KOAX 100046
TOROMA
NEC119-141-167-100130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
744 PM CDT TUE OCT 9 2001

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MADISON COUNTY IN NORTHEAST NEBRASKA
  NORTHERN PLATTE COUNTY IN NORTHEAST NEBRASKA
  SOUTHERN STANTON COUNTY IN NORTHEAST NEBRASKA

* UNTIL 830 PM CDT

* AT 742 PM CDT...RADAR INDICATED A THUNDERSTORM WITH VERY STRONG
  ROTATION AND A DEVELOPING TORNADO OVER HUMPHREY...OR ABOUT 19 
  MILES NORTH OF COLUMBUS...MOVING NORTHEAST AT 30. MPH.  A SECOND
  TORNADIC STORM WAS LOCATED 10 MILES WEST OF PLATTE CENTER...
  ALSO MOVING NORTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED...
  CRESTON...MADISON
  HUMPHREY...TARNOV
  RURAL AREAS OF SOUTHWEST STANTON COUNTY 

THIS IS A DANGEROUS SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF
THIS TORNADO GO BELOW GROUND LEVEL IF POSSIBLE. OTHERWISE GO TO A
SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF THE BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT TUESDAY EVENING
FOR EASTERN NEBRASKA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
MIDNIGHT CDT WEDNESDAY MORNING FOR SOUTHWESTERN IOWA AND EASTERN
NEBRASKA.

LAT...LON 4156 9782 4150 9767 4187 9702 4200 9755

MILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 9, 7:15 PM CDT	Tornado Warning	OAX	Madison, Platte	30 min
Oct 9, 7:23 PM CDT	Severe Thunderstorm Warning	OAX	Boone	37 min
Oct 9, 8:20 PM CDT	Tornado Warning	OAX	Stanton	40 min
Oct 9, 8:30 PM CDT	Flash Flood Warning	OAX	Boone, Platte	3 hr
Oct 9, 8:30 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	60 min
Oct 9, 9:28 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	32 min
Oct 9, 9:39 PM CDT	Severe Thunderstorm Warning	OAX	Wayne	36 min
Oct 9, 10:12 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Dodge	33 min
Oct 9, 10:57 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	33 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.