Alert archive / Minnesota / Wind Advisories in 2007

Wind Advisory 8, NWS Sioux Falls, SD

April 6, 20077 counties in Minnesota; 5 counties in Iowa

NWS Sioux Falls, SD issued this wind advisory at Apr 6, 2007, 11:46 AM CDT for 7 counties in Minnesota; 5 counties in Iowa. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 6, 2007, 11:46 AM CDT (16:46 UTC)
Expired
Apr 6, 2007, 7:00 PM CDT
In force
7 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 16:47 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 12:00Z, 4.8 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 12:00Z on 2007-04-06Temperature 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 12:00Z on 2007-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 square meters per square second.193958Sfc1 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
1029 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
-56 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.

000 
WWUS73 KFSD 061646
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1146 AM CDT FRI APR 6 2007

.STRONG NORTH WINDS BRINGING ANOTHER SURGE OF COLD AIR WILL REACH
SUSTAINED SPEEDS ABOVE 30 MPH AND GUSTS OVER 40 MPH AT TIMES THIS
AFTERNOON IN SOUTHWEST MINNESOTA AND PART OF NORTHWEST IOWA. THE
WINDS WILL DECREASE SLOWLY THIS EVENING AS THE PRESSURE GRADIENT
RELAXES A LITTLE.

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-070000-
/O.NEW.KFSD.WI.Y.0008.070406T1646Z-070407T0000Z/
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
1146 AM CDT FRI APR 6 2007

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

NORTH WINDS WILL AVERAGE 25 TO 35 MPH WITH GUSTS ABOVE 40 MPH AT
TIMES THIS AFTERNOON INTO THE START OF THE EVENING. WINDS SHOULD
BEGIN TO DECREASE SLOWLY AS SUNSET APPROACHES.

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.

$$
WILLIAMS
1 follow-up statement
000 
WWUS73 KFSD 062350
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
650 PM CDT FRI APR 6 2007

.A STRONG NORTHERLY FLOW OF COLD AIR WILL GRADUALLY DECREASE
TONIGHT.

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-070100-
/O.EXP.KFSD.WI.Y.0008.000000T0000Z-070407T0000Z/
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
650 PM CDT FRI APR 6 2007

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

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

STRONG NORTH TO NORTHWEST WINDS OF 25 TO 40 MPH WILL DECREASE TO
20 TO 30 MPH...BELOW WIND ADVISORY CRITERIA...IN MOST AREAS FOR
THE REST OF THE EVENING.

$$

Nearby

Wind Advisories in Minnesota, 2007Wind Advisories in Iowa, 2007Every wind advisory in 2007

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.