Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 3, NWS Hastings, NE

April 16, 2002York County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Apr 16, 2002, 7:53 PM CDT for York County, Nebraska. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 16, 2002, 7:53 PM CDT (00:53 UTC)
Expired
Apr 16, 2002, 8:45 PM CDT
In force
52 min
Issued by
NWS Hastings, NE
Area
Counties, with a storm outline in the text

County York County, NE

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 16, 4:00 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 16, 7:15 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.9 hours before the alert went out and 119 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 2002-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1974 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, Omaha, NE at 00:00Z on 2002-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 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
1974 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1343 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
1.1
Supercell composite
8.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGID 170053
SVRGRI
NEC185-170145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
752 PM CDT TUE APR 16 2002

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  YORK COUNTY IN EAST CENTRAL NEBRASKA

* UNTIL 845 PM CDT

* AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES SOUTH OF BRADSHAW...OR ABOUT 8 MILES
  SOUTHWEST OF YORK...MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  YORK AT 805 PM CDT
  WACO AT 820 PM CDT

PEOPLE IN YORK 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 QUARTERS IS LIKELY.

LAT...LON 4074 9781 4072 9743 4101 9740 4104 9777

NNNN

09

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 Apr 16, 2:30 PM CDT, 5 hours 23 minutes earlier.

Area forecast discussion, Apr 16, 2:30 PM CDT, 5 hours 23 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
230 PM CDT TUE APR 16 2002

MAIN CHALLENGE IS POSSIBLE EVENING WEATHER...THEN TEMPERATURES.

LATEST SURFACE ANALYIS SHOWS DRIER AIR INVADING THE AREA...WITH DEW
POINTS ONLY HOLDING ON IN THE FAR EAST CWFA.  NEGATIVELY TILTED
UPPER SHORT WAVE SWINGING OUT OF SOUTHERN HIGH PLAINS WILL PROVIDE
PLENTY OF LIFT THIS EVENING...BUT WITH ONLY LIMITED MOISTURE TO WORK
WITH...THREAT OF THUNDERSTORMS...LET ALONE SEVERE WEATHER...NOW
QUITE SLIM IN GID CWFA.  BIGGEST THREAT WOULD BE WIND FROM A HIGH
BASED STORM IN THE NORTHEAST CWFA. WILL KEEP A SMALL POP FOR THE
EAST...NEAR THE 850 MB DEW POINT BOUNDARY...BUT REMOVE ELSEWHERE.

IN THE MEAN TIME...WINDS BEGINNING TO DIMINISH AS BOUNDARIES CROSS
THE AREA AND WILL LIKELY CANCEL THE WIND ADVISORY BY AFTN ZFP
ISSUANCE.  AS WINDS SHIFT TO THE NORTHWEST AND DIMINISH...TEMPS WILL
DROP TONIGHT...UNLIKE THE PAST FEW NIGHTS.  GUIDANCE GENERALLY
ACCEPTED.

QUICK RETURN FLOW SETS UP WEDNESDAY AND TEMPS SHOULD RECOVER
NICELY...MAYBE EVEN A BIT ABOVE GUIDANCE.  BUT STORMS NOT LIKELY TO
GET GOING UNTIL NIGHTTIME IN AN AREA OF LOW LEVEL THETA E
ADVECTION...WHICH WILL PLACE THE FOCUS NORTHEAST OF OUR AREA...SO
WILL LEAVE DRY.

NO BIG CHANGES TO THE EXTENDED PACKAGE.  COOLER AIR WORKS INTO THE
AREA THU NGT...BUT MOISTURE APPEARS TOO LIMITED TO PRODUCE ANY PCPN
EXCEPT MAYBE IN THE SOUTH.  MADE ONLY SLIGHT DOWNWARD ADJUSTMENTS TO
TEMPS FOR THE END OF THE WEEK AS UPPER TROUGH MOVES IN. BEST CHANCE
FOR RAIN LOOKS LIKE SUNDAY.

.GID...NONE.

DROZD

In the hours before

Local storm report, Apr 16, 4:46 PM CDT, 3 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
446 PM CDT TUE APR 16 2002

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

0438 PM    1 W MC COOL JCT           NE   1 INCH HAIL
04/16/02   YORK                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
Local storm report, Apr 16, 5:25 PM CDT, 2 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
525 PM CDT TUE APR 16 2002

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

0515 PM    3 S SHELBY                NE   7/8 INCH HAIL AND 60 MPH
04/16/02   POLK                           WINDS REPORTED BY SPOTTER
Local storm report, Apr 16, 6:29 PM CDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
629 PM CDT TUE APR 16 2002

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

0515 PM    3 NE SHELBY               NE   .75 INCH HAIL
04/16/02   POLK                           REPORTED BY PUBLIC.
                                          EVENT DURATION 10
                                          MINUTES.

0515 PM    3 NE SHELBY               NE   65 MPH TSTM GUST
04/16/02   POLK                           REPORTED BY PUBLIC.
Local storm report, Apr 16, 6:39 PM CDT, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT...EVENT SUMMARY
NATIONAL WEATHER SERVICE HASTINGS NE
639 PM CDT TUE APR 16 2002

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

0438 PM    1 W MC COOL JCT           NE   1 INCH HAIL
04/16/02   YORK                           REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0515 PM    3 S SHELBY                NE   .88 INCH HAIL
04/16/02   POLK                           REPORTED BY STORM
                                          SPOTTER.

0515 PM    3 NE SHELBY               NE   65 MPH TSTM GUST
04/16/02   POLK                           REPORTED BY STORM
                                          SPOTTER.

0530 PM    SHELBY                    NE   WIND DAMAGE
04/16/02   POLK                           POWER POLLS DOWN
                                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0550 PM    LEXINGTON ARPT            NE   NON TSTM WINDS
04/16/02   DAWSON                         60 MPH NON TSTM WINDS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 8:02 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore58 min
Apr 16, 8:14 PM CDTSevere Thunderstorm WarningGIDNuckolls61 min
Apr 16, 8:18 PM CDTSevere Thunderstorm WarningGIDThayer57 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002Every severe thunderstorm warning in 2002

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.