Alert archive / Nebraska / Tornado Warnings in 2001

Tornado Warning 35, NWS Hastings, NE

September 22, 2001Fillmore County, Nuckolls County, Thayer County, Nebraska

NWS Hastings, NE issued this tornado warning at Sep 22, 2001, 8:03 PM CDT for Fillmore County, Nuckolls County, Thayer County, Nebraska. It was in force for 57 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 22, 2001, 8:03 PM CDT (01:03 UTC)
Expired
Sep 22, 2001, 9:00 PM CDT
In force
57 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Fillmore County, NE, Nuckolls County, NE, Thayer County, NE

The radar

The Grand Island radar (KUEX), 59 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.

What was reported inside it

TimeReportWhereRemark
Sep 22, 8:10 PM CDTTornado F0Shickley, NETornado entered Fillmore county from Clay county.
Sep 22, 8:55 PM CDTHail 1Superior, NE

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.

IssuedProductOfficeLasted
Sep 22, 7:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.1 hours before the alert went out and 163 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 2001-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2845 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 2001-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
2845 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
946 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 7:33 PM CDTTornado WarningGIDClay57 min
Sep 22, 7:39 PM CDTSevere Thunderstorm WarningGIDFillmore51 min
Sep 22, 7:48 PM CDTSevere Thunderstorm WarningGIDYork42 min
Sep 22, 8:10 PM CDTTornado WarningGIDFillmore50 min
Sep 22, 8:30 PM CDTSevere Thunderstorm WarningGIDFillmore, York45 min
Sep 22, 8:35 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer55 min
Sep 22, 8:52 PM CDTSevere Thunderstorm WarningGIDClay23 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.