Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 5, NWS Hastings, NE

June 11, 1997Howard County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 11, 1997, 7:33 PM CDT for Howard County, Nebraska. It was in force for 42 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
Jun 11, 1997, 7:33 PM CDT (00:33 UTC)
Expired
Jun 11, 1997, 8:15 PM CDT
In force
42 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Howard County, NE

The radar

The Grand Island radar (KUEX), 100 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

TimeReportWhereRemark
Jun 11, 8:20 PM CDTThunderstorm Wind 70Dannebrog, NE
Jun 11, 8:20 PM CDTHail 2Boelus, 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
Jun 11, 3:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 175 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, N. Platte/Lee Bi, NE at 00:00Z on 1997-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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, N. Platte/Lee Bi, NE at 00:00Z on 1997-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.19395878Sfc1 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
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 120033 RRA
TORGRI
NEC093-120115-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
733 PM CDT WED JUN 11 1997
 
THE NATIONAL WEATHER SERVICE IN HASTINGS NE  HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL NEBRASKA
 
   ...WESTERN HOWARD COUNTY
 
PERSONS IN FARWELL...DANNEBROG AND BOELUS NEED TO MOVE TO THEIR STORM
SHELTERS IMMEDIATELY. AT 730 PM...WEATHER SERVICE RADAR INDICATED A
DEVELOPING TORNADO 3 MILES SOUTHEAST OF ASHTON OR 30 MILES NORTHWEST OF
GRAND ISLAND. THE STORM WAS MOVING SOUTHEAST AT 25 MPH.
 
ABANDON VEHICLES AND MOBILE HOMES.  GO TO A REINFORCED SHELTER OR
HIDE IN A DITCH OR LOW SPOT AND COVER YOUR HEAD.

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, 7:47 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
Jun 11, 8:58 PM CDTTornado WarningGIDHall, Hamilton47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.