Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 7, NWS Hastings, NE

June 11, 1997Hall County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 11, 1997, 8:05 PM CDT for Hall County, Nebraska. It was in force for 25 min. 1 report 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: Jun 11, 1997, 8:05 PM CDT (01:05 UTC)
Expired: Jun 11, 1997, 8:30 PM CDT
In force: 25 min
Issued by: NWS Hastings, NE
Area: Whole counties

County Hall County, NE

The radar

The Grand Island radar (KUEX), 62 km from the middle of the area, began a volume at 01:05 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
Jun 11, 8:25 PM CDT	Tornado F1	Cairo, 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
Jun 11, 5:30 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 178 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: 47 J/kg
Mixed-layer CIN: -173 J/kg
Mixed-layer LCL: 2573 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 46 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 120105 RRA
TORGRI
NEC079-120130-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
805 PM CDT WED JUN 11 1997
 
THE NATIONAL WEATHER SERVICE IN HASTINGS NE  HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL NEBRASKA
 
   ...NORTHWESTERN HALL COUNTY
 
A TORNADO MAY PASS NEAR THE CAIRO AREA BY 830 PM.
 
AT 805 PM RADAR INDICATED A DEVELOPING TORNADO 20 MILES NORTHWEST OF
GRAND ISLAND NEAR BOELUS.  IT IS MOVING TO THE SOUTHEAST AT 20 MPH.
 
PEOPLE IN CAIRO SHOULD BE MOVING TO TORNADO SHELTERS NOW.
 
THIS WARNING DOES NOT...REPEAT...DOES NOT INCLUDE THE CITY OF GRAND
ISLAND AT THIS TIME.
 
 
 
PEOPLE IN THE PATH OF THIS TORNADO SHOULD TAKE COVER IN A REINFORCED
SHELTER.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:06 PM CDT	Severe Thunderstorm Warning	GID	Furnas	54 min
Jun 11, 7:15 PM CDT	Severe Thunderstorm Warning	GID	Gosper	45 min
Jun 11, 7:25 PM CDT	Tornado Warning	GID	Furnas	35 min
Jun 11, 7:33 PM CDT	Tornado Warning	GID	Howard	42 min
Jun 11, 7:47 PM CDT	Tornado Warning	GID	Sherman	28 min
Jun 11, 7:55 PM CDT	Severe Thunderstorm Warning	GID	Harlan	65 min
Jun 11, 8:18 PM CDT	Severe Thunderstorm Warning	GID	Howard	42 min
Jun 11, 8:23 PM CDT	Tornado Warning	GID	Hall	37 min
Jun 11, 8:47 PM CDT	Severe Thunderstorm Warning	GID	Franklin	43 min
Jun 11, 8:51 PM CDT	Severe Thunderstorm Warning	GID	Webster	39 min
Jun 11, 8:58 PM CDT	Tornado Warning	GID	Hall, Hamilton	47 min

Nearby

Tornado Warnings in Nebraska, 1997 Every tornado warning in 1997 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.