Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 142, NWS Omaha, NE

June 14, 20144 counties in Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 14, 2014, 5:52 PM CDT for 4 counties in Nebraska. It was in force for 38 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 14, 2014, 5:52 PM CDT (22:52 UTC)
Expired
Jun 14, 2014, 6:30 PM CDT
In force
38 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Antelope County, NE, Cedar County, NE, Knox County, NE, Pierce County, NE

The radar

The Sioux Falls radar (KFSD), 152 km from the middle of the area, began a volume at 22:54 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.

IssuedProductOfficeLasted
Jun 14, 5:10 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.9 hours before the alert went out and 165 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2014-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2014-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1288 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 14, 3:00 PM CDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jun 14, 3:00 PM CDT, 2 hours 52 minutes before
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Hazardous weather outlook, Jun 14, 5:12 PM CDT, 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
512 PM CDT SAT JUN 14 2014

IAZ043-055-056-NEZ011-012-015>018-030>034-042>045-050-051-065-078-
088-151215-
MONONA-HARRISON-SHELBY-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-
BOONE-MADISON-STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-
BUTLER-SAUNDERS-SEWARD-SALINE-JEFFERSON-
512 PM CDT SAT JUN 14 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN IOWA AND
EASTERN NEBRASKA.

.DAY ONE...TONIGHT AND SUNDAY

THUNDERSTORMS ARE EXPECTED TO INCREASE IN AREAL COVERAGE THROUGH
THE EVENING HOURS ALONG A COLD FRONT PUSHING INTO THE OUTLOOK
AREA. GOLF BALL SIZE HAIL OR LARGER ALONG WITH DAMAGING WINDS ARE
THE PRIMARY THREATS. ALSO...ISOLATED TORNADOS ARE POSSIBLE WITH
THE MORE DISCRETE STORMS. IN ADDITION...LOCALLY HEAVY RAINFALL
WITH AMOUNTS OF TWO INCHES OR MORE IS LIKELY AND A FLASH FLOOD
WATCH HAS BEEN ISSUED FOR THE AREA FROM COLUMBUS AND NORFOLK
NORTHEAST INTO MONONA COUNTY IOWA. THE STORMS COULD CONTINUE OVER
THE AREA INTO THE EARLY SUNDAY MORNING HOURS.

.DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH SATURDAY

STRONG OR SEVERE THUNDERSTORMS ARE POSSIBLE MONDAY AFTERNOON INTO
MONDAY EVENING AS A WARM FRONT REDEVELOPS OVER THE AREA AND
MOISTURE AND INSTABILITY RETURN. ADDITIONAL THUNDERSTORMS ARE
POSSIBLE LATER IN THE WEEK...POSSIBLY TUESDAY NIGHT BUT ESPECIALLY
WEDNESDAY NIGHT THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY SATURDAY AFTERNOON AND EVENING.

IAZ069-079-080-090-091-NEZ052-053-066>068-089>093-151215-
POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE-DOUGLAS-SARPY-
LANCASTER-CASS-OTOE-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON-
512 PM CDT SAT JUN 14 2014

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

.DAY ONE...TONIGHT AND SUNDAY

ALTHOUGH THERE IS A SMALL CHANCE OF THUNDERSTORM DEVELOPMENT OVER
THE AREA THROUGH EARLY EVENING...MOST LIKELY THUNDERSTORMS WILL
DEVELOP NORTH THROUGH SOUTHWEST OF THE REGION BY EARLY EVENING AND
PUSH INTO THE AREA FROM MID TO LATE EVENING.  THE ACTIVITY IS
EXPECTED ALONG A COLD FRONT AND DRYLINE THAT WILL PUSH INTO THE
REGION. ALTHOUGH LARGE HAIL WITH DAMAGING WINDS ARE THE PRIMARY
THREATS...ISOLATED TORNADOES CANNOT BE RULED OUT. LATER IN THE
EVENING AND OVERNIGHT HOURS THE PRIMARY THREAT WILL SHIFT TO
MAINLY DAMAGING WINDS AND HEAVY RAIN AS A COMPLEX PUSHES THROUGH
THE REGION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

STRONG OR SEVERE THUNDERSTORMS ARE POSSIBLE MONDAY AFTERNOON INTO
MONDAY EVENING AS A WARM FRONT REDEVELOPS OVER THE AREA AND
MOISTURE AND INSTABILITY RETURN. ADDITIONAL THUNDERSTORMS ARE
POSSIBLE LATER IN THE WEEK...POSSIBLY TUESDAY NIGHT BUT ESPECIALLY
WEDNESDAY NIGHT THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATER THIS EVENING.

CHERMOK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 4:00 AM CDTWind AdvisoryOAXCass, Douglas, Gage, Jefferson, Johnson, Lancaster and 8 more13 hr
Jun 14, 3:00 PM CDTFlash Flood WatchOAXBurt, Cedar, Colfax, Cuming, Madison, Pierce and 4 more13 hr
Jun 14, 6:04 PM CDTSevere Thunderstorm WarningOAXCedar, Pierce41 min
Jun 14, 6:25 PM CDTSpecial Weather StatementOAXBoone35 min
Jun 14, 6:30 PM CDTSevere Thunderstorm WarningOAXBoone30 min
Jun 14, 6:31 PM CDTTornado WarningOAXPierce, Wayne29 min
Jun 14, 6:43 PM CDTSevere Thunderstorm WarningOAXBoone, Madison, Platte32 min
Jun 14, 6:46 PM CDTSevere Thunderstorm WarningOAXCedar, Pierce, Wayne29 min
Jun 14, 6:58 PM CDTTornado WarningOAXCedar, Wayne32 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2014Every severe thunderstorm warning 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.