Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 7, NWS Hastings, NE

June 11, 2000York County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 11, 2000, 7:23 PM CDT for York County, Nebraska. It was in force for 37 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
Jun 11, 2000, 7:23 PM CDT (00:23 UTC)
Expired
Jun 11, 2000, 8:00 PM CDT
In force
37 min
Issued by
NWS Hastings, NE
Area
Whole counties

County York County, NE

The radar

The Grand Island radar (KUEX), 94 km from the middle of the area, began a volume at 00:24 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 nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.4 hours before the alert went out and 114 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 2000-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 901 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2000-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -62 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
901 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-62 m²/s²
0-3 km storm-relative helicity
-16 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

495 
WFUS53 KGID 120024
TORGRI
NEC185-120100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
723 PM CDT SUN JUN 11 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN YORK COUNTY IN EAST CENTRAL NEBRASKA

* UNTIL 800 PM CDT

* AT 718 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 8 TO
  10 MILES NORTH OF YORK...MOVING NORTH NORTHWEST AT 15 MPH. 

SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...

  BENEDICT
  GRESHAM
  THAYER

THIS IS AN EXTREMELY DANGEROUS SITUATION. A TORNADO HAS BEEN SIGHTED.
PEOPLE IN NORTHERN YORK COUNTY SHOULD TAKE SHELTER IMMEDIATELY IN A
BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR.

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.

THIS REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR
NORTHERN YORK COUNTY. 

$$

&

LAT...LON 4085 9779 4084 9740 4104 9739 4103 9780

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:17 PM CDTSevere Thunderstorm WarningGIDYork43 min
Jun 11, 7:57 PM CDTSevere Thunderstorm WarningGIDPolk48 min
Jun 11, 8:03 PM CDTSevere Thunderstorm WarningGIDYork27 min
Jun 11, 8:55 PM CDTTornado WarningGIDMerrick, Nance50 min
Jun 11, 11:01 PM CDTTornado WarningGIDFillmore29 min
Jun 11, 11:13 PM CDTTornado WarningGIDClay32 min

Nearby

Tornado Warnings in Nebraska, 2000Every tornado warning in 2000Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.