Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 35, NWS Hastings, NE

June 12, 2000Dawson County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 12, 2000, 9:06 PM CDT for Dawson County, Nebraska. It was in force for 39 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 12, 2000, 9:06 PM CDT (02:06 UTC)
Expired
Jun 12, 2000, 9:45 PM CDT
In force
39 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Dawson County, NE

The radar

The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 02:09 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 12, 9:30 PM CDTHail 0.75Gothenburg, 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 12, 7:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.1 hours before the alert went out and 72 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 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1538 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 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
1538 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
2700 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

112 
WUUS53 KGID 130206
SVRGRI
NEC047-130245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
906 PM CDT MON JUN 12 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN DAWSON COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 945 PM CDT

* AT 859 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES SOUTHWEST OF GOTHENBURG...OR ABOUT 31
  MILES WEST OF LEXINGTON...MOVING EAST AT 15 MPH.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...

  GOTHENBURG
  WILLOW ISLAND
  COZAD
  LEXINGTON

PEOPLE IN WESTERN DAWSON COUNTY SHOULD SEEK SHELTER IN A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS. DAMAGING THUNDERSTORM WINDS IN
EXCESS OF 60 MPH AND LARGE HAIL THE SIZE OF GOLFBALLS ARE LIKELY.

$$

LAT...LON 4103 10018 4072 10020 4073 9969 4103 9971

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 12, 2:51 PM CDT, 6 hours 15 minutes earlier.

Area forecast discussion, Jun 12, 2:51 PM CDT, 6 hours 15 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
251 PM CDT MON JUN 12 2000

...PRECIP CHANCES AND FRONTAL TIMING MAIN CONCERNS...

LAST NIGHTS CONVECTION WELL EAST OF AREA NOW LEAVING CLEAR SKIES IN
ITS WAKE.  STRONG SUBSIDENCE BEHIND WAVE LEADING TO STABLE CONDITIONS
WILL SLOWLY DESTABILIZE THIS AFTERNOON AND EVENING WITH SURFACE
HEATING AND MOISTURE ADVECTION.  AS THE MAIN TROUGH CONTINUES TO
PUNCH THROUGH THE NORTHERN ROCKIES TODAY LEE SIDE TROUGHING UNDERWAY.
THE FIRST ROUND OF CONVECTION...WHICH IS ALREADY UNDERWAY...SHOULD
MOVE EASTWARD THIS EVENING AND OVERNIGHT WHERE CONDITIONS ARE MORE
UNSTABLE.  A LLJ OF 40 TO 50 KNOTS SHOULD HELP TO KEEP THE CONVECTION
GOING THROUGH THE EVENING WITH SOME CHANCE OF SEVERE WEATHER THROUGH
THE NIGHT.  THE STRONGEST DYNAMICS APPEAR TO BE NORTH OF THE AREA BUT
STILL EXPECT STRONG TSTORMS TO MAKE IT INTO THE CWA LATE.  WILL WORD
40 POPS ACROSS REGION OVERNIGHT.

TOMORROW MORNING BIG QUESTION WILL BE HOW FAR SOUTH PREVIOUS
CONVECTION PUSHES MAIN BOUNDARY SOUTH IN CWA OR EVEN IF THE
CONVECTION DISSIPATES BEFORE THE COLD FRONT MOVES INTO THE CWA.
EXPECT INITIAL FRONTAL BOUNDARY TO MAKE DASH ACROSS WESTERN CWA IN
THE MID MORNING.  HOWEVER DUE TO DIURNAL TIMING WILL CONTINUE ONLY
CHANCE POPS WITHOUT MENTION OF STRONG STORMS THERE.  ETA/AVN TUESDAY
BRINGS FRONT THROUGH CENTRAL CWA BY 18Z THEN ENTIRE CWA BY 00Z.
STRONG TO SEVERE TSTORMS SHOULD ORGANIZE SOMEWHERE SOUTH AND EAST OF
HASTINGS IN THE AFTERNOON AND ROLL SOUTHEASTWARD.  EXPECT THE
HEAVIEST STUFF TO BE OUT OF THE AREA BY 00Z.

GUIDANCE TEMPS SEEM REASONABLE THROUGHOUT.

ONCE FRONT PASSES STRONG NW WINDS DEVELOP AND CONTINUE THROUGH
WEDNESDAY AND WEDNESDAY NIGHT.  COOLER DRIER AIR WILL BE ON TAP
THROUGH THURSDAY.  THURSDAY NIGHT SOME QUESTION WHETHER TO CALL FOR
CHANCES.  MEDIUM RANGE INDICATES SECONDARY STRONG NW SYSTEM CARVING
OUT TROUGH OVER THE REGION LATE THURSDAY NIGHT INTO FRIDAY MORNING.
WILL INTRODUCE CHANCES HERE.  THEN COOLER TEMPS FOR SATURDAY.

GID...NONE.

10

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 9:45 PM CDTSevere Thunderstorm WarningGIDDawson60 min
Jun 12, 10:25 PM CDTSevere Thunderstorm WarningGIDValley50 min
Jun 12, 10:36 PM CDTSevere Thunderstorm WarningGIDSherman54 min
Jun 12, 10:53 PM CDTSevere Thunderstorm WarningGIDGreeley67 min
Jun 13, 12:15 AM CDTSevere Thunderstorm WarningGIDMerrick, Nance45 min
Jun 13, 6:56 AM CDTSevere Thunderstorm WarningGIDValley34 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning 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.