Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 135, NWS Hastings, NE

June 12, 2002Nance County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 12, 2002, 4:34 PM CDT for Nance County, Nebraska. It was in force for 56 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: Jun 12, 2002, 4:34 PM CDT (21:34 UTC)
Expired: Jun 12, 2002, 5:30 PM CDT
In force: 56 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

County Nance County, NE

The radar

The Grand Island radar (KUEX), 125 km from the middle of the area, began a volume at 21:35 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.

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.

Issued	Product	Office	Lasted
Jun 12, 12:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 12, 4:15 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.6 hours before the alert went out and 141 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: 2034 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: -0.5
Supercell composite: -2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGID 122134
SVRGRI
NEC125-122230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
434 PM CDT WED JUN 12 2002

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

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

* UNTIL 530 PM CDT

* AT 430 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES WEST OF FULLERTON...OR ABOUT 30 MILES
  NORTHEAST OF GRAND ISLAND...MOVING EAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BELGRADE AT 440 PM CDT
  FULLERTON AT 455 PM CDT
  GENOA AT 530 PM CDT

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

THE PRIMARY SEVERE WEATHER THREAT IS LARGE HAIL THE SIZE OF NICKELS.

LAT...LON 4145 9828 4128 9826 4133 9773 4151 9774

NNNN

GURNEY

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, 4:10 PM CDT, 24 minutes earlier.

Area forecast discussion, Jun 12, 4:10 PM CDT, 24 minutes before

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
410 PM CDT WED JUN 12 2002

...FORECAST CONCERN IS SEVERE THUNDERSTORMS THIS EVENING...

SHORT AFD THIS AFTERNOON DUE TO ONGOING CONVECTION. SURFACE
ANALYSIS HAS FRONTAL BOUNDARY CUTTING ACROSS NEB...BASICALLY FROM
JUST SOUTH OF OMAHA WESTWARD. BOUNDARY WILL BE THE FOCAL POINT FOR
SHOWERS AND THUNDERSTORMS IN AN ALREADY MOIST AND UNSTABLE
ENVIRONMENT. LATEST COORDINATION WITH SPC INDICATES NEW TOR WATCH
#421...TO REPLACE OLD SEVERE THUNDERSTORM WATCH #417...GOES THROUGH
9 PM. NEW WATCH COVERS NEB CWA FOR NOW FROM VALLEY COUNTY TO
FRANKLIN...AND AREAS EASTWARD. MODELS DO SUGGEST MID LEVEL STEERING
SHOULD KICK FRONT OUT EVENTUALLY.

.GID...NONE.

DEE

In the hours before

Local storm report, Jun 12, 1:04 PM CDT, 3 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
104 PM CDT WED JUN 12 2002

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

1225 PM    8 NNE AXTELL              NE   1 INCH HAIL
06/12/02   KEARNEY                        REPORTED BY STORM
                                          SPOTTER.

Local storm report, Jun 12, 1:58 PM CDT, 2 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
158 PM CDT WED JUN 12 2002

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

0125 PM    3 SW GLADE                KS   TORNADO
06/12/02   PHILLIPS                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jun 12, 2:05 PM CDT, 2 hours 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
205 PM CDT WED JUN 12 2002

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

0121 PM    9 NW STOCKTON             KS   TORNADO
06/12/02   ROOKS                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jun 12, 2:12 PM CDT, 2 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
212 PM CDT WED JUN 12 2002

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

1245 PM    4 W NEWARK                NE   1 INCH HAIL
06/12/02   KEARNEY                        REPORTED BY STORM
                                          SPOTTER.

Local storm report, Jun 12, 3:15 PM CDT, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
315 PM CDT WED JUN 12 2002

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

0310 PM    8 NE NELSON               NE   .75 INCH HAIL
06/12/02   NUCKOLLS                       REPORTED BY PUBLIC.

Local storm report, Jun 12, 3:52 PM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
352 PM CDT WED JUN 12 2002

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

0339 PM    10 S PLAINVILLE           KS   TORNADO
06/12/02   ROOKS                          REPORTED BY PUBLIC.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 12:31 PM CDT	Severe Thunderstorm Warning	GID	Kearney	59 min
Jun 12, 2:57 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls	48 min
Jun 12, 3:11 PM CDT	Severe Thunderstorm Warning	GID	Webster	64 min
Jun 12, 3:31 PM CDT	Severe Thunderstorm Warning	GID	Thayer	59 min
Jun 12, 4:54 PM CDT	Severe Thunderstorm Warning	GID	Merrick	66 min
Jun 12, 5:10 PM CDT	Severe Thunderstorm Warning	GID	Polk	65 min
Jun 12, 5:26 PM CDT	Tornado Warning	GID	Polk	49 min
Jun 12, 5:46 PM CDT	Severe Thunderstorm Warning	GID	York	59 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002 Every 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; radar from the NEXRAD Level II archive.