Alert archive / Nebraska / Wind Advisories in 2012

Wind Advisory 4, NWS Omaha, NE

February 26, 20127 counties in Nebraska

NWS Omaha, NE issued this wind advisory at Feb 26, 2012, 4:02 AM CST for 7 counties in Nebraska. It took effect at Feb 26, 2012, 12:00 PM CST. It was in force for 71 min.

The area

The counties it named.

The facts

Issued
Feb 26, 2012, 4:02 AM CST (10:02 UTC)
In effect from
Feb 26, 2012, 12:00 PM CST
Expired
Feb 26, 2012, 1:11 PM CST
In force
71 min
Issued by
NWS Omaha, NE

Counties Antelope County, NE, Boone County, NE, Cedar County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Platte County, NE

The radar

The Omaha radar (KOAX), 143 km from the middle of the area, began a volume at 09:59 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, 10.0 hours before the alert went out and 143 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 2012-02-26Temperature 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 00:00Z on 2012-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 407 square meters per square second.1939587897Sfc1 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
1240 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
407 m²/s²
0-3 km storm-relative helicity
734 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.

142 
WWUS73 KOAX 261002
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
402 AM CST SUN FEB 26 2012

...STRONG WEST WINDS THIS AFTERNOON...

.A POTENT LOW PRESSURE SYSTEM MOVING THROUGH THE NORTHERN PLAINS
WILL CAUSE WINDS TO BECOME WESTERLY AND INCREASE INTO THE 25 TO 35
MPH RANGE THIS AFTERNOON...WITH GUSTS TO 45 MPH.

NEZ011-012-016-017-030-031-042-261815-
/O.NEW.KOAX.WI.Y.0004.120226T1800Z-120227T0000Z/
KNOX-CEDAR-ANTELOPE-PIERCE-BOONE-MADISON-PLATTE-
INCLUDING THE CITIES OF...CREIGHTON...BLOOMFIELD...CROFTON...
WAUSA...VERDIGRE...NIOBRARA...HARTINGTON...LAUREL...RANDOLPH...
COLERIDGE...NELIGH...ELGIN...PIERCE...PLAINVIEW...OSMOND...
ALBION...ST. EDWARD...NORFOLK...COLUMBUS
402 AM CST SUN FEB 26 2012

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING. 

* TIMING...WINDS WILL GRADUALLY INCREASE THROUGH THE
  MORNING...WITH THE STRONGEST WINDS BEGINNING AT NOON AND LASTING
  MUCH OF THE AFTERNOON. THE WINDS WILL DIMINISH SOMEWHAT AROUND
  SUNSET. 

* WINDS...WILL TURN TO THE WEST AND INCREASE INTO THE 25 TO 35 MPH
  RANGE...WITH GUSTS TO 45 MPH.

* IMPACTS...MOTORISTS SHOULD BE PREPARED FOR STRONG CROSS
  WINDS...ESPECIALLY ON NORTH SOUTH ROADS. ANY UNSECURED OUTDOOR
  OBJECTS COULD BE BLOWN AROUND BY THE STRONG WINDS AS WELL.

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.

&&

$$
2 follow-up statements
241 
WWUS73 KOAX 261746
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1146 AM CST SUN FEB 26 2012

...STRONG WEST WINDS THIS AFTERNOON...

.A POTENT LOW PRESSURE SYSTEM MOVING THROUGH THE NORTHERN PLAINS
WILL CREATE WESTERLY WINDS FROM 25 TO 35 MPH RANGE THIS AFTERNOON 
WITH GUSTS TO 45 MPH.

NEZ011-012-016-017-030-031-042-270000-
/O.CON.KOAX.WI.Y.0004.120226T1800Z-120227T0000Z/
KNOX-CEDAR-ANTELOPE-PIERCE-BOONE-MADISON-PLATTE-
INCLUDING THE CITIES OF...CREIGHTON...BLOOMFIELD...CROFTON...
WAUSA...VERDIGRE...NIOBRARA...HARTINGTON...LAUREL...RANDOLPH...
COLERIDGE...NELIGH...ELGIN...PIERCE...PLAINVIEW...OSMOND...
ALBION...ST. EDWARD...NORFOLK...COLUMBUS
1146 AM CST SUN FEB 26 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WINDS...WESTERLY WINDS OF 25 TO 35 MPH RANGE WITH GUSTS TO 45
  MPH WILL BE POSSIBLE THROUGH LATE AFTERNOON. 

* IMPACTS...MOTORISTS SHOULD BE PREPARED FOR STRONG CROSS WINDS
  ESPECIALLY ON NORTH SOUTH ROADS. ANY UNSECURED OUTDOOR OBJECTS
  COULD BE BLOWN AROUND BY THE STRONG WINDS AS WELL.

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.

&&

$$
765 
WWUS73 KOAX 261911
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
111 PM CST SUN FEB 26 2012

NEZ011-012-016-017-030-031-042-262015-
/O.CAN.KOAX.WI.Y.0004.000000T0000Z-120227T0000Z/
KNOX-CEDAR-ANTELOPE-PIERCE-BOONE-MADISON-PLATTE-
INCLUDING THE CITIES OF...CREIGHTON...BLOOMFIELD...CROFTON...
WAUSA...VERDIGRE...NIOBRARA...HARTINGTON...LAUREL...RANDOLPH...
COLERIDGE...NELIGH...ELGIN...PIERCE...PLAINVIEW...OSMOND...
ALBION...ST. EDWARD...NORFOLK...COLUMBUS
111 PM CST SUN FEB 26 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS CANCELLED THE
WIND ADVISORY. 

WINDY CONDITIONS WILL REMAIN THROUGH THE AFTERNOON WITH WEST NORTHWEST
WINDS AT 20 TO 30 MPH WITH GUST UP TO 35 MPH. HOWEVER...THESE SPEEDS
ARE NOW BELOW OFFICIAL CRITERIA...THUS THE WIND ADVISORY THAT WAS
PREVIOUSLY IN EFFECT HAS BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 4:20 AM CSTRed Flag WarningOAXGage, Jefferson, Johnson, Pawnee, Richardson, Saline12 hr

Nearby

Wind Advisories in Nebraska, 2012Every wind advisory in 2012

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.