Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 9, NWS Hastings, NE

June 11, 1997Hall County, Hamilton County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 11, 1997, 8:58 PM CDT for Hall County, Hamilton County, Nebraska. It was in force for 47 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, 1997, 8:58 PM CDT (01:58 UTC)
Expired
Jun 11, 1997, 9:45 PM CDT
In force
47 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Hall County, NE, Hamilton County, NE

The radar

The Grand Island radar (KUEX), 63 km from the middle of the area, began a volume at 02:00 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
Jun 11, 5:30 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.0 hours before the alert went out and 166 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 1997-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1724 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
281 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 120158 RRA
TORGRI
NEC079-081-120245-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
858 PM CDT WED JUN 11 1997
 
THE NATIONAL WEATHER SERVICE IN HASTINGS NE  HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL NEBRASKA
 
   ...HALL COUNTY...WESTERN HAMILTON COUNTY
 
A TORNADO IS POSSIBLE TO MOVE NEAR THE GRAND ISLAND...ALDA AND DONIPHAN
AREA BY 945 PM.
 
AT 855 PM RADAR INDICATED A DEVELOPING TORNADO NEAR ALDA OR 6 MILES WEST
OF GRAND ISLAND. SPOTTERS ARE ALSO INDICATING A POSSIBLE TORNADO JUST
SOUTH OF GRAND ISLAND.  THIS STORM IS MOVING TO THE SOUTHEAST AT 25 MPH.
THE STORM MAY REACH THE PHILLIPS AND GILTNER AREA BY 945 PM AS WELL.
 
IF YOU ARE IN THE PATH OF THIS STORM TAKE COVER NOW.
 
 
 
 
PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF
AVAILABLE.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR.  CARS AND MOBILE HOMES SHOULD BE ABANDONED.
 
IN ADDITION TO THE THREAT OF TORNADOES...LARGE HAIL AND DAMAGING
WINDS ARE LIKELY WITH THIS STORM.  TAKE COVER NOW.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:06 PM CDTSevere Thunderstorm WarningGIDFurnas54 min
Jun 11, 7:15 PM CDTSevere Thunderstorm WarningGIDGosper45 min
Jun 11, 7:25 PM CDTTornado WarningGIDFurnas35 min
Jun 11, 7:33 PM CDTTornado WarningGIDHoward42 min
Jun 11, 7:47 PM CDTTornado WarningGIDSherman28 min
Jun 11, 7:55 PM CDTSevere Thunderstorm WarningGIDHarlan65 min
Jun 11, 8:05 PM CDTTornado WarningGIDHall25 min
Jun 11, 8:18 PM CDTSevere Thunderstorm WarningGIDHoward42 min
Jun 11, 8:23 PM CDTTornado WarningGIDHall37 min
Jun 11, 8:47 PM CDTSevere Thunderstorm WarningGIDFranklin43 min
Jun 11, 8:51 PM CDTSevere Thunderstorm WarningGIDWebster39 min

Nearby

Tornado Warnings in Nebraska, 1997Every tornado warning in 1997Tornadoes in 1997

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.