Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS Omaha, NE

August 2, 2016Cuming County, Nebraska

NWS Omaha, NE issued this special weather statement at Aug 2, 2016, 12:21 AM CDT for Cuming County, Nebraska. It was in force for 24 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 2, 2016, 12:21 AM CDT (05:21 UTC)
Expired
Aug 2, 2016, 12:45 AM CDT
In force
24 min
Issued by
NWS Omaha, NE

County Cuming County, NE

The radar

The Omaha radar (KOAX), 71 km from the middle of the area, began a volume at 05:25 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, 5.4 hours before the alert went out and 71 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 00:00Z on 2016-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 425 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2016-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
425 J/kg
Mixed-layer CIN
-377 J/kg
Mixed-layer LCL
1200 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

084 
WWUS83 KOAX 020521
SPSOAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1221 AM CDT TUE AUG 2 2016
 
NEZ033-020545-
CUMING NE-
1221 AM CDT TUE AUG 2 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN STANTON AND
SOUTHWESTERN CUMING COUNTIES UNTIL 1245 AM CDT...

AT 1221 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6
MILES NORTHEAST OF HOWELLS...OR 29 MILES SOUTHEAST OF
NORFOLK...MOVING NORTHEAST AT 30 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
RURAL AREAS 10 MILES WEST OF WEST POINT. 

THIS INCLUDES HIGHWAY 275 IN NEBRASKA BETWEEN MILE MARKERS 106 AND
113.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4174 9702 4184 9702 4197 9686 4191 9671
      4175 9672
TIME...MOT...LOC 0521Z 234DEG 26KT 4180 9694 

$$

DEWALD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 11:52 PM CDTSpecial Weather StatementOAXBoone38 min
Aug 2, 12:08 AM CDTSpecial Weather StatementOAXStanton52 min
Aug 2, 12:16 AM CDTSpecial Weather StatementOAXMadison29 min
Aug 2, 12:36 AM CDTAreal Flood AdvisoryOAXBoone5 hr
Aug 2, 12:46 AM CDTSpecial Weather StatementOAXStanton29 min
Aug 2, 12:50 AM CDTSpecial Weather StatementOAXDodge25 min
Aug 2, 2:12 AM CDTSpecial Weather StatementOAXButler48 min
Aug 2, 2:21 AM CDTSevere Thunderstorm WarningOAXButler, Saunders39 min
Aug 2, 2:44 AM CDTSpecial Weather StatementOAXWashington46 min
Aug 2, 2:46 AM CDTSpecial Weather StatementOAXCass, Lancaster44 min
Aug 2, 2:50 AM CDTSpecial Weather StatementOAXDouglas, Sarpy40 min
Aug 2, 3:29 AM CDTSpecial Weather StatementOAXCass, Otoe46 min

Nearby

Special Weather Statements in Nebraska, 2016Every special weather statement in 2016

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.