Alert archive / Nebraska / Wind Advisories in 2011

Wind Advisory 2, NWS Omaha, NE

February 20, 201110 counties in Nebraska

NWS Omaha, NE issued this wind advisory at Feb 20, 2011, 4:35 AM CST for 10 counties in Nebraska. It took effect at Feb 20, 2011, 9:00 AM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 20, 2011, 4:35 AM CST (10:35 UTC)
In effect from
Feb 20, 2011, 9:00 AM CST
Expired
Feb 20, 2011, 3:09 PM CST
In force
6 hr
Issued by
NWS Omaha, NE

Counties Boone County, NE, Butler County, NE, Colfax County, NE, Gage County, NE, Jefferson County, NE, Lancaster County, NE, Madison County, NE, Platte County, NE, Saline County, NE, Seward County, NE

The radar

The Omaha radar (KOAX), 77 km from the middle of the area, began a volume at 10:38 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, 10.6 hours before the alert went out and 77 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 2011-02-20Temperature 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 2011-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.1939587897117136Sfc1 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
1064 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
284 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.

304 
WWUS73 KOAX 201035
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
435 AM CST SUN FEB 20 2011

...STRONG WINDS WILL DEVELOP LATER THIS MORNING AND THIS AFTERNOON...
.INTENSE LOW PRESSURE WILL TRACK INTO SOUTHEAST NEBRASKA THIS
MORNING BEFORE MOVING INTO SOUTHERN IOWA THIS AFTERNOON. THIS
SYSTEM WILL SPREAD STRONG WINDS ACROSS THE AREA...ESPECIALLY BY AFTERNOON.

NEZ066-078-088-089-201845-
/O.NEW.KOAX.WI.Y.0002.110220T1500Z-110221T0300Z/
LANCASTER-SALINE-JEFFERSON-GAGE-
INCLUDING THE CITIES OF...LINCOLN...CRETE...FAIRBURY...BEATRICE
435 AM CST SUN FEB 20 2011

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST
THIS EVENING. 

* TIMING...STRONG SOUTH OR SOUTHWEST WINDS ARE EXPECTED TO DEVELOP
  OVER THE AREA THIS MORNING BEFORE THEY SHIFT TO NORTHWEST THIS
  AFTERNOON.

* WINDS...SPEEDS SHOULD INCREASE TO 20 TO 35 MPH THIS MORNING AND
  25 TO 35 MPH WITH GUSTS OF 40 MPH THIS AFTERNOON. 

* IMPACTS...THE STRONG WINDS WILL CAUSE DIFFICULT DRIVING
  CONDITIONS AND BLOW AROUND LOOSE OBJECTS SUCH AS GARBAGE CANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 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.

&&

$$

NEZ030-031-042-043-050-065-201845-
/O.NEW.KOAX.WI.Y.0002.110220T1800Z-110221T0300Z/
BOONE-MADISON-PLATTE-COLFAX-BUTLER-SEWARD-
INCLUDING THE CITIES OF...ALBION...NORFOLK...COLUMBUS...
SCHUYLER...DAVID CITY...SEWARD
435 AM CST SUN FEB 20 2011

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM CST THIS
EVENING. 

* TIMING...STRONG NORTHWEST SHOULD DEVELOP THIS AFTERNOON AS A
  SHARP COLD FRONT RACES SOUTHEAST ACROSS THE REGION.

* WINDS...SPEEDS SHOULD INCREASE TO 20 TO 30 MPH THIS MORNING AND
  THEN 25 TO 35 MPH WITH GUSTS OF 40 MPH THIS AFTERNOON.

* IMPACTS...THE STRONG WINDS WILL CAUSE DIFFICULT DRIVING
  CONDITIONS AND BLOW AROUND LOOSE OBJECTS SUCH AS GARBAGE CANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 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.

&&

$$

CHERMOK
3 follow-up statements
657 
WWUS73 KOAX 201107 CCA
NPWOAX

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
506 AM CST SUN FEB 20 2011

...STRONG WINDS WILL DEVELOP LATER THIS MORNING AND THIS AFTERNOON...
.INTENSE LOW PRESSURE WILL TRACK INTO SOUTHEAST NEBRASKA THIS
MORNING BEFORE MOVING INTO SOUTHERN IOWA THIS AFTERNOON. THIS
SYSTEM WILL SPREAD STRONG WINDS ACROSS THE AREA...ESPECIALLY BY AFTERNOON.

NEZ066-078-088-089-201930-
/O.NEW.KOAX.WI.Y.0002.110220T1500Z-110221T0300Z/
LANCASTER-SALINE-JEFFERSON-GAGE-
INCLUDING THE CITIES OF...LINCOLN...CRETE...FAIRBURY...BEATRICE
506 AM CST SUN FEB 20 2011

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST
THIS EVENING. 

* TIMING...STRONG SOUTH OR SOUTHWEST WINDS ARE EXPECTED TO DEVELOP
  OVER THE AREA THIS MORNING BEFORE THEY SHIFT TO NORTHWEST THIS
  AFTERNOON.

* WINDS...SPEEDS SHOULD INCREASE TO 20 TO 35 MPH THIS MORNING AND
  25 TO 35 MPH WITH GUSTS OF 40 MPH THIS AFTERNOON. 

* IMPACTS...THE STRONG WINDS WILL CAUSE DIFFICULT DRIVING
  CONDITIONS AND BLOW AROUND LOOSE OBJECTS SUCH AS GARBAGE CANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 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.

&&

$$

NEZ030-031-042-043-050-065-201930-
/O.COR.KOAX.WI.Y.0002.110220T1800Z-110221T0300Z/
BOONE-MADISON-PLATTE-COLFAX-BUTLER-SEWARD-
INCLUDING THE CITIES OF...ALBION...NORFOLK...COLUMBUS...
SCHUYLER...DAVID CITY...SEWARD
506 AM CST SUN FEB 20 2011

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM CST THIS
EVENING. 

* TIMING...STRONG NORTHWEST WINDS SHOULD DEVELOP THIS AFTERNOON
  AS A SHARP COLD FRONT RACES SOUTHEAST ACROSS THE REGION.

* WINDS...SPEEDS SHOULD INCREASE TO 20 TO 30 MPH THIS MORNING AND
  THEN 25 TO 35 MPH WITH GUSTS OF 40 MPH THIS AFTERNOON.

* IMPACTS...THE STRONG WINDS WILL CAUSE DIFFICULT DRIVING
  CONDITIONS AND BLOW AROUND LOOSE OBJECTS SUCH AS GARBAGE CANS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 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.

&&

$$

CHERMOK
566 
WWUS73 KOAX 201925
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
125 PM CST SUN FEB 20 2011

...STRONG WINDS WILL DEVELOP THIS AFTERNOON...

.INTENSE LOW PRESSURE OVER SOUTHEAST NEBRASKA THIS AFTERNOON WILL
MOVE INTO CENTRAL IOWA BY THIS EVENING. THIS SYSTEM WILL SPREAD
STRONG WINDS ACROSS THE AREA THIS AFTERNOON.

NEZ066-078-088-089-210300-
/O.CON.KOAX.WI.Y.0002.000000T0000Z-110221T0300Z/
LANCASTER-SALINE-JEFFERSON-GAGE-
INCLUDING THE CITIES OF...LINCOLN...CRETE...FAIRBURY...BEATRICE
125 PM CST SUN FEB 20 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING. 

* TIMING...STRONG NORTHWEST WINDS WILL MOVE INTO THE AREA THIS
  AFTERNOON.

* WINDS...SPEEDS WILL INCREASE TO 20 TO 35 MPH WITH GUSTS OF 40
  MPH.

* IMPACTS...THE STRONG WINDS WILL CAUSE DIFFICULT DRIVING 
  CONDITIONS AND BLOW AROUND LOOSE OBJECTS SUCH AS GARBAGE CANS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 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.

&&

$$

NEZ030-031-042-043-050-065-210300-
/O.CON.KOAX.WI.Y.0002.000000T0000Z-110221T0300Z/
BOONE-MADISON-PLATTE-COLFAX-BUTLER-SEWARD-
INCLUDING THE CITIES OF...ALBION...NORFOLK...COLUMBUS...
SCHUYLER...DAVID CITY...SEWARD
125 PM CST SUN FEB 20 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING. 

* TIMING...STRONG NORTHWEST WINDS WILL SPREAD ACROSS THE AREA THIS
  AFTERNOON AS A SHARP COLD FRONT RACES SOUTHEAST ACROSS THE
  REGION.

* WINDS...SPEEDS SHOULD INCREASE TO 20 TO 35 MPH WITH GUSTS OF 40
  MPH.

* IMPACTS...THE STRONG WINDS WILL CAUSE DIFFICULT DRIVING 
  CONDITIONS AND BLOW AROUND LOOSE OBJECTS SUCH AS GARBAGE CANS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 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.

&&

$$

FOBERT
467 
WWUS73 KOAX 202109
NPWOAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
309 PM CST SUN FEB 20 2011

...WIND ADVISORY CANCELED...

.WHILE NORTHWESTERLY WINDS OF AROUND 20 TO 25 MPH ARE MOVING INTO
THE AREA BEHIND A COLD FRONT...WIND SPEEDS ARE NOT EXPECTED TO
EXCEED 30 MPH AND GUSTS ARE NOT EXPECTED TO EXCEED 45 MPH.
THUS...THE WIND ADVISORY HAS BEEN CANCELED.

NEZ030-031-042-043-050-065-066-078-088-089-202215-
/O.CAN.KOAX.WI.Y.0002.000000T0000Z-110221T0300Z/
BOONE-MADISON-PLATTE-COLFAX-BUTLER-SEWARD-LANCASTER-SALINE-
JEFFERSON-GAGE-
INCLUDING THE CITIES OF...ALBION...NORFOLK...COLUMBUS...
SCHUYLER...DAVID CITY...SEWARD...LINCOLN...CRETE...FAIRBURY...
BEATRICE
309 PM CST SUN FEB 20 2011

...WIND ADVISORY IS CANCELLED...

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

NORTHWEST WINDS THIS EVENING WILL REMAIN BELOW 30 MPH...AND GUSTS
WILL REMAIN BELOW 45 MPH.  THE WIND ADVISORY IS NO LONGER IN EFFECT.

$$

MAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 7:12 PM CSTAreal Flood AdvisoryOAXStanton19 hr
Feb 19, 7:56 PM CSTAreal Flood AdvisoryOAXButler, Colfax, Dodge, Douglas, Sarpy, Saunders24 hr
Feb 20, 4:29 AM CSTWinter Storm WarningOAXKnox8 hr
Feb 20, 4:29 AM CSTWinter Weather AdvisoryOAXAntelope, Cedar, Knox, Pierce11 hr
Feb 20, 9:27 AM CSTAreal Flood AdvisoryOAXPlatte12 hr
Feb 20, 5:58 PM CSTAreal Flood AdvisoryOAXCuming, Dodge24 hr

Nearby

Wind Advisories in Nebraska, 2011Every wind advisory in 2011

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.