Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 64, NWS Omaha, NE

July 16, 2001Madison County, Nebraska

NWS Omaha, NE issued this tornado warning at Jul 16, 2001, 8:28 PM CDT for Madison County, Nebraska. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 16, 2001, 8:28 PM CDT (01:28 UTC)
Expired
Jul 16, 2001, 9:00 PM CDT
In force
32 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Madison County, NE

The radar

The Omaha radar (KOAX), 122 km from the middle of the area, began a volume at 01:34 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
Jul 16, 4:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.5 hours before the alert went out and 122 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 2001-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2587 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 2001-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.19395878Sfc1 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
2587 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1316 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.7
Supercell composite
14.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KOAX 170129
TOROMA

NEC119-170200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
828 PM CDT MON JUL 16 2001

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MADISON COUNTY IN NORTHEAST NEBRASKA
  THIS INCLUDES THE CITY OF NORFOLK

* UNTIL 900 PM CDT

* AT 823 PM CDT...STORM SOPTTERS REPORTED FUNNEL CLOUDS 4 MILES WEST 
MEADOW GROVE.  THE SEVERE STORM WAS MOVING EAST SOUTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED...
  MEADOW GROVE
  RURAL NORTHERN MADISON

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

LAT...LON 4207 9783 4194 9782 4195 9738 4209 9741

ZAPOTOCNY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:28 PM CDTTornado WarningOAXAntelope32 min
Jul 16, 7:48 PM CDTSevere Thunderstorm WarningOAXPierce42 min
Jul 16, 8:09 PM CDTSevere Thunderstorm WarningOAXAntelope36 min
Jul 16, 8:13 PM CDTFlash Flood WarningOAXAntelope3 hr
Jul 16, 8:20 PM CDTSevere Thunderstorm WarningOAXMadison40 min
Jul 16, 8:29 PM CDTSevere Thunderstorm WarningOAXPierce46 min
Jul 16, 8:39 PM CDTTornado WarningOAXAntelope36 min
Jul 16, 9:00 PM CDTSevere Thunderstorm WarningOAXMadison60 min
Jul 16, 9:13 PM CDTSevere Thunderstorm WarningOAXAntelope, Pierce32 min
Jul 16, 9:23 PM CDTSevere Thunderstorm WarningOAXBoone37 min
Jul 16, 9:32 PM CDTTornado WarningOAXMadison28 min
Jul 16, 9:52 PM CDTSevere Thunderstorm WarningOAXPlatte38 min
Jul 16, 9:57 PM CDTSevere Thunderstorm WarningOAXBoone, Madison33 min
Jul 16, 10:15 PM CDTSevere Thunderstorm WarningOAXColfax, Stanton45 min
Jul 16, 11:17 PM CDTSevere Thunderstorm WarningOAXDodge, Saunders28 min
Jul 16, 11:59 PM CDTSevere Thunderstorm WarningOAXBurt, Washington46 min
Jul 17, 1:25 AM CDTSevere Thunderstorm WarningOAXDodge35 min

Nearby

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