Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 28, NWS Hastings, NE

July 21, 2000Valley County, Nebraska

NWS Hastings, NE issued this tornado warning at Jul 21, 2000, 7:37 PM CDT for Valley County, Nebraska. It was in force for 38 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: Jul 21, 2000, 7:37 PM CDT (00:37 UTC)
Expired: Jul 21, 2000, 8:15 PM CDT
In force: 38 min
Issued by: NWS Hastings, NE
Area: Whole counties

County Valley County, NE

The radar

The North Platte radar (KLNX), 139 km from the middle of the area, began a volume at 00:36 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
Jul 21, 7:45 PM CDT	Hail 1.75	Ord, NE
Jul 21, 7:50 PM CDT	Tornado F0	Arcadia, 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.

Issued	Product	Office	Lasted
Jul 21, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 144 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: 380 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1489 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

114 
WFUS53 KGID 220040
TORGRI
NEC175-220115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
737 PM CDT FRI JUL 21 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN VALLEY COUNTY IN CENTRAL NEBRASKA

* UNTIL 815 PM CDT

* AT 736 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO OVER ELYRIA...OR ABOUT 33 MILES NORTHEAST OF
  BROKEN BOW...MOVING SOUTH AT 25 MPH.

* TORNADO IS EXPECTED TO BE NEAR...
  ARCADIA AT 810 PM CDT

PEOPLE IN WESTERN VALLEY COUNTY SHOULD TAKE SHELTER IMMEDIATELY IN A
BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR.

THE CURRENT MOTION OF THIS DEVELOPING TORNADO INDICATES THAT IT 
WILL TRACK TO THE WEST OF ORD.  

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY BUILDING. AS A
LAST RESORT...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER YOUR HEAD
WITH YOUR HANDS.

$$

LAT...LON 4194 9896 4189 9920 4141 9918 4141 9894

DDN

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 7:00 PM CDT	Severe Thunderstorm Warning	GID	Valley	60 min
Jul 21, 8:02 PM CDT	Severe Thunderstorm Warning	GID	Sherman	58 min
Jul 21, 8:32 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	58 min
Jul 21, 9:15 PM CDT	Severe Thunderstorm Warning	GID	Hall	45 min
Jul 21, 9:41 PM CDT	Severe Thunderstorm Warning	GID	Adams	49 min
Jul 21, 10:30 PM CDT	Severe Thunderstorm Warning	GID	Furnas	45 min
Jul 22, 5:04 PM CDT	Severe Thunderstorm Warning	GID	Greeley	41 min
Jul 22, 5:50 PM CDT	Severe Thunderstorm Warning	GID	Dawson	55 min
Jul 22, 6:43 PM CDT	Severe Thunderstorm Warning	GID	Dawson	47 min

Nearby

Tornado Warnings in Nebraska, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.