Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 191, NWS Hastings, NE

June 23, 1998Hamilton County, York County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 23, 1998, 8:12 PM CDT for Hamilton County, York County, Nebraska. It was in force for 43 min. 2 reports 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 23, 1998, 8:12 PM CDT (01:12 UTC)
Expired: Jun 23, 1998, 8:55 PM CDT
In force: 43 min
Issued by: NWS Hastings, NE
Area: Whole counties

Counties Hamilton County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 81 km from the middle of the area, began a volume at 01:16 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

Time	Report	Where	Remark
Jun 23, 8:20 PM CDT	Hail 0.75	Mc Cool Jct, NE
Jun 23, 8:41 PM CDT	Thunderstorm Wind 52	Benedict, 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.

Issued	Product	Office	Lasted
Jun 23, 7:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.2 hours before the alert went out and 236 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: 1938 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1197 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 23, 2:20 PM CDT, 5 hours 52 minutes earlier.

Area forecast discussion, Jun 23, 2:20 PM CDT, 5 hours 52 minutes before

CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
220 PM CDT TUE JUN 23 1998

...CHANCE OF THUNDERSTORMS TONIGHT AND TEMPERATURES THROUGH THE FORECAST
ARE PROBLEMS THIS AFTERNOON...

18Z SFC CHART SHOWED LOW IN NE COLO/NW KS WITH WARM FRONT LAYING ALONG
THE KS/NE BORDER.  65+ DEW POINTS ARE POOLED FROM NRN KS INTO CENTRAL
NEB AND INTO ERN SD.  UAA THIS MORNING SHOWED SEVERAL S/WS IN A SW FLOW.
MAIN WAVE TO EFFECT CWA THIS EVENING IS SEEN ON WATER VAPOR IMAGERY
MOVING ACROSS ERN COLO. PROFILER DATA SHOWING SOME VEERING ESPECIALLY IN
ERN NEB.  3H ANAL SHOWED JET COMING OUT OF THE DESERT SW THIS MORNING
AND THIS TOO SHOULD HELP IN THE DEVELOPMENT OF TRW.

OMEGA FIELDS ESPECIALLY ON ETA/AVN ARE IMPRESSIVE...9 MICROBARS...THIS
EVENING IN THE CWA.

LAPS DATA SHOWING CAPES OF 2-3K OVER THE CWA AT 18Z WITH SFC WIND
STREAMLINES SHOWING CONVERGENT FLOW IN THE SW PTN OF THE CWA. THIS COULD
BE AN AREA TO WATCH FOR INITIAL DEVELOPMENT.

NOT SURE EXACTLY WHERE TRW WILL FIRE THIS EVENING BUT AM CONFIDENT THERE
WILL BE SOME ACTIVITY.  RIGHT NOW FEEL NEB CWA MAY BE MORE UNDER THE GUN
THAN KS AREA.

850 TEMPS ON ALL MODELS WARM OVER THE NEXT COUPLE OF DAYS SO EXPECT TO
BE VERY WARM.  READINGS OVER THE CENTURY MARK ESPECIALLY IN KS SHOULD BE
COMMON.  700 TEMPS ALSO WARM SO BY TOMORROW WE SHOULD SEE FAIRLY GOOD
CAPPING.

GRI BU 067/095/058/099/062 400

GRIFFITH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:16 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	44 min
Jun 23, 7:48 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay	62 min
Jun 23, 8:04 PM CDT	Severe Thunderstorm Warning	GID	Fillmore	51 min
Jun 23, 8:18 PM CDT	Severe Thunderstorm Warning	GID	Nance	37 min
Jun 23, 8:41 PM CDT	Severe Thunderstorm Warning	GID	Polk	49 min
Jun 23, 7:30 PM CDT	Severe Thunderstorm Warning	GID	Mitchell, Osborne	60 min
Jun 23, 7:30 PM CDT	Severe Thunderstorm Warning	GID	Rooks	60 min
Jun 23, 8:32 PM CDT	Severe Thunderstorm Warning	GID	Mitchell, Osborne	48 min
Jun 23, 8:50 PM CDT	Tornado Warning	GID	Mitchell	25 min
Jun 23, 9:16 PM CDT	Severe Thunderstorm Warning	GID	Mitchell	44 min
Jun 24, 6:59 PM CDT	Severe Thunderstorm Warning	GID	Mitchell, Osborne	61 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1998 Every severe thunderstorm warning in 1998

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.