Alert archive / Nebraska / Special Weather Statements in 2014

Special Weather Statement, NWS Omaha, NE

August 3, 2014Nemaha County, Richardson County, Nebraska; Fremont County, Iowa

NWS Omaha, NE issued this special weather statement at Aug 3, 2014, 3:02 AM CDT for Nemaha County, Richardson County, Nebraska; Fremont County, Iowa. It was in force for 43 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: Aug 3, 2014, 3:02 AM CDT (08:02 UTC)
Expired: Aug 3, 2014, 3:45 AM CDT
In force: 43 min
Issued by: NWS Omaha, NE

Counties Fremont County, IA, Nemaha County, NE, Richardson County, NE

The radar

The Omaha radar (KOAX), 114 km from the middle of the area, began a volume at 08:02 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

Omaha, NE (KOAX), launched 00:00Z, 8.0 hours before the alert went out and 114 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: 793 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1622 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 2, 11:28 PM CDT, 3 hours 34 minutes earlier.

Area forecast discussion, Aug 2, 11:28 PM CDT, 3 hours 34 minutes before

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Hazardous weather outlook, Aug 2, 4:30 PM CDT, 10 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
430 PM CDT SAT AUG 2 2014

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-031130-
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-
STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-
SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE-
JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON-
430 PM CDT SAT AUG 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND SUNDAY

ISOLATED TO SCATTERED THUNDERSTORMS MAY DEVELOP THIS EVENING OVER
NORTHEAST NEBRASKA. SOME OF THESE THUNDERSTORMS MAY SPREAD
SOUTHEAST OVERNIGHT INTO THE REST OF EASTERN NEBRASKA AND WESTERN
IOWA BY SUNDAY MORNING. WIDESPREAD SEVERE WEATHER IS NOT
EXPECTED...BUT AN ISOLATED STRONG STORM IS POSSIBLE THIS EVENING
IN NORTHEAST NEBRASKA WITH HAIL AND WIND THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS ON SUNDAY NIGHT...AS WELL AS
MUCH OF NEXT WEEK ACROSS MOST OF THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY NOT BE NEEDED TONIGHT OR SUNDAY.

In the hours before

Local storm report, Aug 2, 9:47 PM CDT, 5 hours 15 minutes before

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Special weather statement, Aug 3, 12:45 AM CDT, 2 hours 17 minutes before

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Special weather statement, Aug 3, 1:24 AM CDT, 1 hour 38 minutes before

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Special weather statement, Aug 3, 1:41 AM CDT, 1 hour 21 minutes before

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Special weather statement, Aug 3, 2:03 AM CDT, 59 minutes before

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Special weather statement, Aug 3, 3:02 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 9:17 PM CDT	Special Weather Statement	OAX	Cedar	58 min
Aug 2, 9:30 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	45 min
Aug 2, 10:25 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	34 min
Aug 3, 2:03 AM CDT	Special Weather Statement	OAX	Cass	42 min
Aug 3, 3:50 AM CDT	Special Weather Statement	OAX	Nemaha, Richardson	40 min
Aug 3, 12:45 AM CDT	Special Weather Statement	OAX	Pottawattamie	45 min
Aug 3, 1:24 AM CDT	Special Weather Statement	OAX	Mills	36 min
Aug 3, 1:41 AM CDT	Special Weather Statement	OAX	Shelby	49 min
Aug 3, 4:48 AM CDT	Special Weather Statement	OAX	Fremont	42 min

Nearby

Special Weather Statements in Nebraska, 2014 Special Weather Statements in Iowa, 2014 Every special weather statement in 2014

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.