Alert archive / Nebraska / Wind Advisories in 2014

Wind Advisory 21, NWS Omaha, NE

November 26, 201421 counties in Nebraska; Harrison County, Monona County, Iowa

NWS Omaha, NE issued this wind advisory at Nov 26, 2014, 9:10 AM CST for 21 counties in Nebraska; Harrison County, Monona County, Iowa. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Nov 26, 2014, 9:10 AM CST (15:10 UTC)
Expired
Nov 26, 2014, 2:00 PM CST
In force
5 hr
Issued by
NWS Omaha, NE
All 23 counties

Harrison County, IA, Monona County, IA, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Lancaster County, NE, Madison County, NE, Platte County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 35 km from the middle of the area, began a volume at 15:16 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 12:00Z, 3.2 hours before the alert went out and 35 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 2014-11-26Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2014-11-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
564 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

824 
WWUS73 KOAX 261510
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
910 AM CST WED NOV 26 2014

...STRONG NORTHWEST WINDS TODAY...

.STRONG LOW PRESSURE OVER WESTERN IOWA WILL MOVE INTO MISSOURI
WITH A PERIOD OF STRONG NORTHWEST WINDS AT 20 TO 30 MPH WITH GUSTS
AROUND 40 MPH THROUGH EARLY AFTERNOON.

IAZ043-055-NEZ015-018-030>034-042>045-050>053-065>067-078-088-089-
262000-
/O.NEW.KOAX.WI.Y.0021.141126T1510Z-141126T2000Z/
MONONA-HARRISON-THURSTON-WAYNE-BOONE-MADISON-STANTON-CUMING-BURT-
PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-SAUNDERS-DOUGLAS-SARPY-
SEWARD-LANCASTER-CASS-SALINE-JEFFERSON-GAGE-
INCLUDING THE CITIES OF...ONAWA...MAPLETON...MISSOURI VALLEY...
WOODBINE...LOGAN...DUNLAP...PENDER...MACY...WALTHILL...
WINNEBAGO...WAYNE...ALBION...ST. EDWARD...NORFOLK...STANTON...
WEST POINT...WISNER...TEKAMAH...OAKLAND...LYONS...DECATUR...
COLUMBUS...SCHUYLER...FREMONT...BLAIR...DAVID CITY...WAHOO...
ASHLAND...YUTAN...OMAHA...BELLEVUE...PAPILLION...LA VISTA...
SEWARD...MILFORD...LINCOLN...PLATTSMOUTH...CRETE...WILBER...
FAIRBURY...BEATRICE
910 AM CST WED NOV 26 2014

...WIND ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM CST THIS AFTERNOON. 

* TIMING...THE STRONGEST WINDS WILL AFFECT THE AREA THROUGH EARLY
  AFTERNOON. THE WINDS WILL DECREASE LATE THIS AFTERNOON AS THE
  STORM SYSTEM EXITS THE AREA.

* WINDS...NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS AROUND 40 MPH.

* IMPACTS...THE STRONG WINDS WILL CREATE DIFFICULT DRIVING
  CONDITIONS AND MAY BLOW AROUND UNSECURED OBJECTS SUCH AS GARBAGE
  CANS AND LAWN FURNITURE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS BETWEEN 30 TO
39 MPH OR GUSTS BETWEEN 45 TO 57 MPH ARE EXPECTED. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

ZAPOTOCNY
1 follow-up statement
551 
WWUS73 KOAX 262001
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
201 PM CST WED NOV 26 2014

IAZ043-055-NEZ015-018-030>034-042>045-050>053-065>067-078-088-089-
262115-
/O.EXP.KOAX.WI.Y.0021.000000T0000Z-141126T2000Z/
MONONA-HARRISON-THURSTON-WAYNE-BOONE-MADISON-STANTON-CUMING-BURT-
PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-SAUNDERS-DOUGLAS-SARPY-
SEWARD-LANCASTER-CASS-SALINE-JEFFERSON-GAGE-
INCLUDING THE CITIES OF...ONAWA...MAPLETON...MISSOURI VALLEY...
WOODBINE...LOGAN...DUNLAP...PENDER...MACY...WALTHILL...
WINNEBAGO...WAYNE...ALBION...ST. EDWARD...NORFOLK...STANTON...
WEST POINT...WISNER...TEKAMAH...OAKLAND...LYONS...DECATUR...
COLUMBUS...SCHUYLER...FREMONT...BLAIR...DAVID CITY...WAHOO...
ASHLAND...YUTAN...OMAHA...BELLEVUE...PAPILLION...LA VISTA...
SEWARD...MILFORD...LINCOLN...PLATTSMOUTH...CRETE...WILBER...
FAIRBURY...BEATRICE
201 PM CST WED NOV 26 2014

...WIND ADVISORY WILL EXPIRE AT 2 PM CST THIS AFTERNOON...

THE NORTHWEST WINDS HAVE DECREASED TO BELOW ADVISORY
CRITERIA...THEREFORE THE WIND ADVISORY WILL BE ALLOWED TO EXPIRED.
THE WINDS WILL REMAIN STRONG...HOWEVER WILL GRADUALLY SUBSIDE TO
LESS THAN 20 MPH BY LATE AFTERNOON.

$$

ZAPOTOCNY

Nearby

Wind Advisories in Nebraska, 2014Wind Advisories in Iowa, 2014Every wind advisory 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.