Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 11, NWS Hastings, NE

May 17, 2000Sherman County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 17, 2000, 6:38 PM CDT for Sherman County, Nebraska. It was in force for 37 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
May 17, 2000, 6:38 PM CDT (23:38 UTC)
Expired
May 17, 2000, 7:15 PM CDT
In force
37 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Sherman County, NE

The radar

The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 23:40 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
May 17, 6:51 PM CDTHail 0.75Sherman Res, 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
May 17, 2:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.6 hours before the alert went out and 136 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 12:00Z on 2000-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 853 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 12:00Z on 2000-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
853 J/kg
Mixed-layer CIN
-378 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
43 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.

553 
WUUS53 KGID 172340
SVRGRI
NEC163-180015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
638 PM CDT WED MAY 17 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SHERMAN COUNTY IN CENTRAL NEBRASKA

* UNTIL 715 PM CDT

* AT 638 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 22
  MILES NORTH OF KEARNEY...OR 3 MILES SOUTH OF HAZARD...MOVING NORTH
  AT 40 MPH.

THE THUNDERSTORMS ARE EXPECTED TO PASS THROUGH THE LITCHFIELD AND 
LOUP CITY AREAS BETWEEN 645 AND 715 PM CDT.

PEOPLE IN SHERMAN COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING.

$$
EWALD/KD
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 May 17, 1:45 PM CDT, 4 hours 53 minutes earlier.

Area forecast discussion, May 17, 1:45 PM CDT, 4 hours 53 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
145 PM CDT WED MAY 17 2000

OBVIOUS SEVERE WEATHER POSSIBILITIES THE FOCUS OF THIS FORECAST.

18Z SURFACE ANALYSIS SHOWS FRONT FROM SW TO NE NEBRASKA.  LESS WELL
DEFINED BUT MORE IMPORTANT BOUNDARY NEAR THE KS BORDER EXTENDING
INTO LOW PRESSURE OVER ERN COLORADO.  DRY LINE STRETCHES FROM GLD TO
DDC.  FARTHER EAST...HEATING HAS BEEN LIMITED BY DEVELOPMENT OF MID
CLOUDS BUT MAIN KICKER BEARING DOWN ON AREA...NOW INTO WESTERN
KANSAS.  STILL LOOKS LIKE INITIATION TO BEGIN AROUND OR SHORTLY
BEFORE ZONE ISSUANCE TIME.  WITH INSTABILITY AND DYNAMICS A
GIVEN...JUST WAITING FOR CAP TO BE BROKEN.  LOOKS LIKE ENTIRE
WESTERN CWA UNDER THE GUN FOR INITIATION WITH SVR WEATHER THREAT
SPREADING EAST THIS EVENING.  SVR WX WATCH IMMINENT AS PER SWOMCD
AND AREA PRIMED FOR TORNADOES AS WELL AS WINDS/HAIL.

DRY PUNCH MAY SHUT OFF PCPN AFTER THIS EVENING OVER THE SOUTH.
SHOULD GET BEST RAINS OVER THE NORTH.  EXPECT WRAP AROUND PCPN TO
ADVANCE SOUTH BY MORNING THEN REMAIN MUCH OF THE DAY TOMORROW.
TSTMS STILL POSSIBLE THRU THURSDAY UNDER COLD POOL ALOFT AND THIS
IDEA REINFORCED BY NEGATIVE EPV INDICATED AT 700 MB ON ETA.  TEMPS
WILL BE QUITE COOL UNDER CLOUDS WITH SOME AREAS NOT ESCAPING THE 50S.

AS SKIES CLEAR THU NGT LOOK FOR VERY COOL TEMPS...APPROACHING 40.
RECOVERY SHOULD BEGIN FRIDAY WITH TEMPS RETURNING TO THE 60S.  ALL
IN ALL GUIDANCE LOOKS TO BE PERFORMING FAIRLY WELL AND IN FACT ALL
MODELS ARE IN DECENT AGREEMENT.

WILL KEEP CHANCE OF TSTMS IN FORECAST SUNDAY AS MOISTURE SHOULD
RETURN BY THAT TIME AHEAD OF NEXT...SUBSTANTIALLY WEAKER TROUGH.

.GID...NONE.

DROZD

In the hours before

Local storm report, May 17, 3:36 PM CDT, 3 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
336 PM CDT WED MAY 17 2000

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0332 PM    FULLERTON                 NE    WIND DAMAGE
05/17/00   NANCE                           TREE LIMBS BLOWN DOWN

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 3:15 PM CDTSevere Thunderstorm WarningGIDFurnas45 min
May 17, 3:25 PM CDTSevere Thunderstorm WarningGIDNance50 min
May 17, 5:07 PM CDTSevere Thunderstorm WarningGIDFurnas, Harlan53 min
May 17, 5:22 PM CDTSevere Thunderstorm WarningGIDSherman, Valley38 min
May 17, 6:42 PM CDTSevere Thunderstorm WarningGIDNance33 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.