Alert archive / Nebraska / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Omaha, NE

April 27, 2016Dodge County, Washington County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Apr 27, 2016, 3:27 PM CDT for Dodge County, Washington County, Nebraska. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 27, 2016, 3:27 PM CDT (20:27 UTC)
Expired
Apr 27, 2016, 4:00 PM CDT
In force
33 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dodge County, NE, Washington County, NE

The radar

The Omaha radar (KOAX), 29 km from the middle of the area, began a volume at 20:31 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

TimeReportWhereRemark
Apr 27, 3:35 PM CDTHAIL 1.51 S Arlington, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.5 hours before the alert went out and 29 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 2016-04-27Temperature 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 2016-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 square meters per square second.19395878Sfc1 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
514 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

260 
WUUS53 KOAX 272027
SVROAX
NEC053-177-272100-
/O.NEW.KOAX.SV.W.0021.160427T2027Z-160427T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
327 PM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN DODGE COUNTY IN EAST CENTRAL NEBRASKA...
  WESTERN WASHINGTON COUNTY IN EAST CENTRAL NEBRASKA...

* UNTIL 400 PM CDT

* AT 327 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ARLINGTON...
  OR 20 MILES NORTHWEST OF OMAHA...MOVING NORTH AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  FREMONT...ARLINGTON...HOOPER...NICKERSON...UEHLING AND WINSLOW. 

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 275 IN NEBRASKA BETWEEN MILE MARKERS 137 AND 156.
 HIGHWAY 30 IN NEBRASKA BETWEEN MILE MARKERS 426 AND 438.
 HIGHWAY 77 IN NEBRASKA BETWEEN MILEMARKERS 117 AND 135.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4140 9625 4140 9646 4174 9666 4174 9645
      4168 9644 4168 9630
TIME...MOT...LOC 2027Z 174DEG 25KT 4143 9635 

HAIL...1.00IN
WIND...60MPH
 
$$

DEWALD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 7:16 PM CDTSpecial Weather StatementOAXSaunders29 min
Apr 26, 9:54 PM CDTSpecial Weather StatementOAXSeward36 min
Apr 26, 10:30 PM CDTSpecial Weather StatementOAXSeward30 min
Apr 27, 9:30 AM CDTRiver Flood WarningOAXSaunders40 hr
Apr 27, 9:51 AM CDTRiver Flood WarningOAXNemaha12 days
Apr 27, 9:51 AM CDTRiver Flood WarningOAXRichardson11 days
Apr 27, 1:50 PM CDTSpecial Weather StatementOAXSaunders25 min
Apr 27, 1:53 PM CDTSevere Thunderstorm WarningOAXDodge, Douglas, Saunders, Washington37 min
Apr 27, 2:04 PM CDTSpecial Weather StatementOAXDodge26 min
Apr 27, 2:14 PM CDTSpecial Weather StatementOAXSarpy31 min
Apr 27, 2:40 PM CDTSevere Thunderstorm WarningOAXDodge, Douglas, Saunders, Washington50 min
Apr 27, 2:56 PM CDTSevere Thunderstorm WarningOAXCass, Sarpy49 min
Apr 27, 3:14 PM CDTSpecial Weather StatementOAXDouglas46 min
Apr 27, 3:37 PM CDTTornado WarningOAXDouglas23 min
Apr 27, 3:48 PM CDTSevere Thunderstorm WarningOAXDouglas, Sarpy27 min
Apr 27, 4:18 PM CDTSpecial Weather StatementOAXSarpy42 min
Apr 27, 4:42 PM CDTSpecial Weather StatementOAXDouglas33 min
Apr 27, 5:01 PM CDTAreal Flood WarningOAXDodge, Douglas, Sarpy, Washington3 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2016Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.