Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 163, NWS Hastings, NE

June 19, 2002Gosper County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 19, 2002, 7:00 PM CDT for Gosper County, Nebraska. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 19, 2002, 7:00 PM CDT (00:00 UTC)
Expired: Jun 19, 2002, 7:45 PM CDT
In force: 45 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

County Gosper County, NE

The radar

The Grand Island radar (KUEX), 120 km from the middle of the area, began a volume at 00:04 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.

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 19, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.0 hours before the alert went out and 94 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: 1728 J/kg
Mixed-layer CIN: -159 J/kg
Mixed-layer LCL: 1533 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 15.1

Open this sounding in Storm Lab

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 19, 3:16 PM CDT, 3 hours 44 minutes earlier.

Area forecast discussion, Jun 19, 3:16 PM CDT, 3 hours 44 minutes before

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
316 PM CDT WED JUN 19 2002

...TSTMS TONIGHT ARE THE MAIN CONCERN...

COLD FRONTAL BOUNDARY AS OF 19Z WAS LOCATED FROM ROUGHLY ONEIL TO
NORTH PLATTE...AND IMPERIAL NEBRASKA TO GOODLAND KANSAS.  SATELLITE
SHOWS CU FIELD HAS DEVELOPED ALONG BOUNDARY ON EDGE OF CAP AROUND
LBF AND CLOUD LINE EXTENDED NORTHEAST INTO NORTHEAST NEBRASKA.  18Z
SOUNDING FROM LBF CONTINUES TO INDICATE CAP IN PLACE WITH WARM H7
TEMP OF 16C.  HOWEVER FURTHER WEST...H7 TEMPS ON DENVER SOUNDING
HAVE COOLED FROM 15C TO 12C.

SHORTWAVE TROF WILL CONTINUE TO TRANSLATE ACROSS THE DAKOTAS THIS
EVENING WITH COOL FRONT CONTINUING TO ADVANCE SOUTHEAST INTO THE CWA
AND GRADUAL STALL.  H7 THERMAL TROF PROGGED TO ARRIVE THIS EVENING
WITH CAP WEAKENING.  EXPECT TSTMS TO FIRE ALONG BOUNDARY AND AGREE
WITH LBF DISCUSSION OF STORMS BECOMING LINEAR THIS EVENING WITH
PRIMARY SVR WEATHER THREAT OF WIND/HAIL.  FRONT STALLS ACROSS THE
CWA TONIGHT AND LLVL JET WILL ENHANCE CONVECTION OVERNIGHT AND
EXPECT DECENT RAINFALL ACROSS MUCH OF THE CWA.  FRONTAL PLACEMENT
AND LATEST TRENDS CONTINUE TO INDICATE NEBRASKA COUNTIES STAND BEST
POTENTIAL FOR STORMS TONIGHT AND WILL WORD AS TSTMS DEVELOPING AND
MAINTAIN LIKELY WORDING FURTHER SOUTH.

SHOWERS AND THUNDERSTORMS POSSIBLE INTO THURSDAY MORNING WITH
ADDITIONAL REDEVELOPMENT DURING THE DAY/EARLY NIGHT DEPENDING UPON
FRONTAL POSITION...WHICH DEPENDS ON CONVECTION TONIGHT.  WILL
MAINTAIN 30/40 POPS THURS/THURS NIGHT.  FRONT WASHES/LIFTS BY FRIDAY
WITH DRY WEATHER/WARM/BREEZY CONDITIONS RETURNING INTO THE WEEKEND.
DRY WEATHER WILL BE MAINTAINED INTO NEXT WEEK UNTIL TUESDAY NIGHT
WHEN NEXT FRONT APPROACHES.

THANKS FOR THE COORDINATION OAX...LBF...GLD.

.GID...NONE.

FAY

In the hours before

Local storm report, Jun 19, 6:34 PM CDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
634 PM CDT WED JUN 19 2002

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

0627 PM    2 W ELWOOD                NE   .75 INCH HAIL
06/19/02   GOSPER                         REPORTED BY EMERGENCY
                                          MANAGEMENT.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 7:13 PM CDT	Tornado Warning	GID	Phelps	47 min
Jun 19, 7:24 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	66 min
Jun 19, 7:58 PM CDT	Tornado Warning	GID	Buffalo	47 min
Jun 19, 8:34 PM CDT	Severe Thunderstorm Warning	GID	Howard	56 min
Jun 19, 8:40 PM CDT	Severe Thunderstorm Warning	GID	Adams	50 min
Jun 19, 8:57 PM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance	63 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.