Alert archive / Minnesota / Wind Advisories in 2011

Wind Advisory 16, NWS Sioux Falls, SD

September 29, 20115 counties in Iowa; 7 counties in Minnesota

NWS Sioux Falls, SD issued this wind advisory at Sep 29, 2011, 3:20 AM CDT for 5 counties in Iowa; 7 counties in Minnesota. It took effect at Sep 29, 2011, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2011, 3:20 AM CDT (08:20 UTC)
In effect from
Sep 29, 2011, 10:00 AM CDT
Expired
Sep 29, 2011, 7:00 PM CDT
In force
9 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Clay County, IA, Dickinson County, IA, O'Brien County, IA, Osceola County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN

The radar

The Sioux Falls radar (KFSD), 93 km from the middle of the area, began a volume at 08:22 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

Minneapolis, MN (KMPX), launched 00:00Z, 8.3 hours before the alert went out and 206 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, Minneapolis, MN at 00:00Z on 2011-09-29Temperature 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, Minneapolis, MN at 00:00Z on 2011-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
2334 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
202 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.

564 
WWUS73 KFSD 290820
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
320 AM CDT THU SEP 29 2011

.NORTHWEST WINDS ARE EXPECTED TO INCREASE BEHIND A COLD FRONT
THROUGH THE MORNING HOURS. WINDS OF 25 TO 35 MPH WITH GUSTS OF 40 TO
45 MPH ARE POSSIBLE LATE MORNING HOURS THE EARLY EVENING HOURS BEFORE
DIMINISH TONIGHT.

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-291630-
/O.NEW.KFSD.WI.Y.0016.110929T1500Z-110930T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
320 AM CDT THU SEP 29 2011

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING. 

* TIMING...GUSTY NORTH NORTHWEST WINDS WILL INCREASE THROUGH MID
  MORNING AND PERSIST INTO THE EARLY EVENING HOURS.

* WEATHER CONDITIONS...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 
  40 TO 45 MPH CAN BE EXPECTED. THE WINDS WILL RAPIDLY DECREASE TO 10
  TO 15 MPH TONIGHT.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
3 follow-up statements
516 
WWUS73 KFSD 291453
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
953 AM CDT THU SEP 29 2011

.NORTHWEST WINDS ARE EXPECTED TO INCREASE THIS MORNING BEHIND A COLD
FRONT. WINDS OF 25 TO 35 MPH WITH GUSTS OF 40 TO 45 MPH ARE
EXPECTED LATE MORNING HOURS THE EARLY EVENING HOURS BEFORE
DIMINISHING TONIGHT.

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-292300-
/O.CON.KFSD.WI.Y.0016.110929T1500Z-110930T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
953 AM CDT THU SEP 29 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* TIMING...GUSTY NORTH NORTHWEST WINDS WILL INCREASE THROUGH MID 
  MORNING AND PERSIST INTO THE EARLY EVENING HOURS. 

* WEATHER CONDITIONS...NORTHWEST WINDS OF 25 TO 35 MPH WITH 
  GUSTS OF 40 TO 45 MPH CAN BE EXPECTED. THE WINDS WILL RAPIDLY 
  DECREASE TO 10 TO 15 MPH TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

BT
813 
WWUS73 KFSD 291948
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
248 PM CDT THU SEP 29 2011

.NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS UP TO 50 MPH ARE
EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE AFTERNOON. THE
STRONGEST WINDS ARE EXPECTED ACROSS PORTIONS OF NORTHWEST IOWA
EAST OF HIGHWAY 59. THESE WINDS ARE EXPECTED TO RAPIDLY DIMINISH
TOWARDS SUNSET.

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-300000-
/O.CON.KFSD.WI.Y.0016.000000T0000Z-110930T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
248 PM CDT THU SEP 29 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* TIMING...GUSTY NORTH NORTHWEST WINDS WILL REMAIN STRONG THROUGH THE EARLY
  EVENING HOURS.

* WEATHER CONDITIONS...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS
  UP TO 50 MPH CAN BE EXPECTED THROUGH 5 PM. THEREAFTER...WINDS
  ARE EXPECTED TO RAPIDLY DIMINISH TOWARDS SUNSET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

BT
204 
WWUS73 KFSD 292353
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
653 PM CDT THU SEP 29 2011

.ALTHOUGH GUSTY WINDS WILL LINGER INTO THE EVENING...SPEEDS HAVE
BEGUN TO DIMINISH AND THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE.

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-300100-
/O.EXP.KFSD.WI.Y.0016.000000T0000Z-110930T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
653 PM CDT THU SEP 29 2011

...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING. 

* WEATHER CONDITIONS...GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE
  TO SLOWLY DECREASE THROUGH THE EVENING...WITH SPEEDS OF 10 TO 20
  MPH EXPECTED IN MOST AREAS BY MIDNIGHT.

$$

Nearby

Wind Advisories in Minnesota, 2011Wind Advisories in Iowa, 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.