Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 176, NWS Omaha, NE

June 3, 2005Jefferson County, Saline County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 3, 2005, 2:49 AM CDT for Jefferson County, Saline County, Nebraska. It was in force for 41 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 3, 2005, 2:49 AM CDT (07:49 UTC)
Expired: Jun 3, 2005, 3:30 AM CDT
In force: 41 min
Issued by: NWS Omaha, NE
Area: Counties, with a storm outline in the text

Counties Jefferson County, NE, Saline County, NE

The radar

The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 07:50 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 7.8 hours before the alert went out and 198 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: 64 J/kg
Mixed-layer CIN: -243 J/kg
Mixed-layer LCL: 1397 m above ground
0-6 km bulk shear: 184 kt
0-1 km storm-relative helicity: 613 m²/s²
0-3 km storm-relative helicity: 725 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

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 Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 2, 3:05 PM CDT, 11 hours 44 minutes earlier.

Area forecast discussion, Jun 2, 3:05 PM CDT, 11 hours 44 minutes before

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Hazardous weather outlook, Jun 2, 5:31 PM CDT, 9 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
531 PM CDT THU JUN 2 2005

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-031115-
ANTELOPE-BOONE-BURT-BUTLER-CASS-CEDAR-COLFAX-CUMING-DODGE-DOUGLAS-
FREMONT IA-GAGE-HARRISON IA-JEFFERSON-JOHNSON-KNOX-LANCASTER-MADISON-
MILLS IA-MONONA IA-MONTGOMERY IA-NEMAHA-OTOE-PAGE IA-PAWNEE-PIERCE-
PLATTE-POTTAWATTAMIE IA-RICHARDSON-SALINE-SARPY-SAUNDERS-SEWARD-
SHELBY IA-STANTON-THURSTON-WASHINGTON-WAYNE-
531 PM CDT THU JUN 2 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF EASTERN NEBRASKA AND
SOUTHWEST IOWA.

.DAY ONE...TONIGHT AND FRIDAY

THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE AREA FROM THE WEST
TONIGHT...AND MOVE OUT FRIDAY MORNING.  LOW PRESSURE OVER WESTERN
KANSAS WILL BRING A FLOW OF MOIST AND UNSTABLE AIR INTO THE AREA
TONIGHT...AND COULD RESULT IN A FEW SEVERE STORMS OVERNIGHT.  LARGE
HAIL AND DAMAGING WINDS WILL BE THE PRIMARY HAZARDS.
HEAVY RAIN AND LOCALIZED FLOODING IS ALSO POSSIBLE LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH THURSDAY

THUNDERSTORM CHANCES WILL CONTINUE ACROSS THE AREA THROUGH THE
FORECAST PERIOD...AS AN UNSETTLED WEATHER PATTERN PREVAILS OVER
THE PLAINS STATES.  WARM AND HUMID AIR WILL PERSIST OVER THE SOUTHERN
PLAINS...WITH FREQUENT PUSHES INTO THE CENTRAL AND NORTHERN PLAINS.
IN ADDITION...A SERIES OF UPPER AIR DISTURBANCES WILL MOVE ACROSS
THE REGION FROM THE WESTERN STATES.  THE GREATEST RISK OF SEVERE
WEATHER WILL BE DURING THE LATE AFTERNOON AND EVENING HOURS OF EACH
DAY.

IN ADDITION TO SEVERE THUNDERSTORMS...THERE WILL BE A CHANCE OF
FLOODING FROM HEAVY THUNDERSTORM RAINS...ESPECIALLY IF HEAVY
RAINS REPEAT OVER A PARTICULAR AREA ON MORE THAN ONE OCCASION.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION MAY BE NEEDED TONIGHT.

POLLACK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 3:14 AM CDT	Severe Thunderstorm Warning	OAX	Seward	31 min
Jun 3, 3:26 AM CDT	Severe Thunderstorm Warning	OAX	Gage	49 min
Jun 3, 4:09 AM CDT	Severe Thunderstorm Warning	OAX	Cass	35 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2005 Every severe thunderstorm warning in 2005

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.