Alert archive / Minnesota / Wind Advisories in 2011

Wind Advisory 9, NWS Twin Cities, MN

May 1, 201121 counties in Minnesota

NWS Twin Cities, MN issued this wind advisory at May 1, 2011, 3:47 AM CDT for 21 counties in Minnesota. It took effect at May 1, 2011, 4:00 AM CDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
May 1, 2011, 3:47 AM CDT (08:47 UTC)
In effect from
May 1, 2011, 4:00 AM CDT
Expired
May 1, 2011, 5:00 PM CDT
In force
13 hr
Issued by
NWS Twin Cities, MN
All 21 counties

Blue Earth County, MN, Brown County, MN, Chippewa County, MN, Douglas County, MN, Faribault County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Nicollet County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Sibley County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Watonwan County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 08:51 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, 8.8 hours before the alert went out and 107 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 2011-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLEL10008507005003002001001 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 2011-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
6 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1537 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

303 
WWUS73 KMPX 010847
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
347 AM CDT SUN MAY 1 2011

...WINDY AGAIN TODAY...

.WEST WINDS WILL INCREASE THIS MORNING AND RANGE FROM 30 TO 35
MPH...WITH A FEW HIGHER GUSTS. EXPECT THE WINDS TO DECREASE LATE
THIS AFTERNOON AS THE DEEP LOW PRESSURE MOVES EAST TO THE NORTH
OF LAKE SUPERIOR. 

MNZ041-042-047>049-054>058-064>067-073>075-082-083-091-092-011700-
/O.NEW.KMPX.WI.Y.0009.110501T0900Z-110501T2200Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-REDWOOD-
BROWN-NICOLLET-WATONWAN-BLUE EARTH-MARTIN-FARIBAULT-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...ST. CLOUD...MADISON...BENSON...MONTEVIDEO...WILLMAR...
LITCHFIELD...GRANITE FALLS...OLIVIA...HUTCHINSON...GAYLORD...
REDWOOD FALLS...NEW ULM...ST. PETER...ST. JAMES...MANKATO...
FAIRMONT...BLUE EARTH
347 AM CDT SUN MAY 1 2011

...WIND ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON. 

* TIMING...WEST WINDS WILL INCREASE EARLY THIS MORNING AND
  CONTINUE FOR MUCH OF THE AFTERNOON. 

* WINDS...WEST AT 30 TO 35 MPH WITH A FEW HIGHER GUSTS.

* IMPACTS...POTENTIALLY DIFFICULT DRIVING...ESPECIALLY ON NORTH
  SOUTH ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
1 follow-up statement
944 
WWUS73 KMPX 011547
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1047 AM CDT SUN MAY 1 2011

...WINDY THROUGH THE AFTERNOON...

.STRONG WEST TO NORTHWEST WINDS WILL CONTINUE THROUGH MOST OF THE
AFTERNOON ACROSS WEST CENTRAL AND MUCH OF SOUTH CENTRAL MINNESOTA.
EXPECT WINDS FROM 20 TO 35 MPH WITH SOME GUSTS AROUND 40 MPH.
WINDS WILL BEGIN TO DECREASE LATE THIS AFTERNOON AND EARLY
EVENING. THE STRONG WINDS ARE CAUSED BY A DEEP AREA OF LOW PRESSURE
WHICH IS LIFTING NORTHEAST ACROSS ONTARIO.

MNZ041-042-047>049-054>058-064>067-073>075-082-083-091-092-012200-
/O.CON.KMPX.WI.Y.0009.000000T0000Z-110501T2200Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-REDWOOD-
BROWN-NICOLLET-WATONWAN-BLUE EARTH-MARTIN-FARIBAULT-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...MORRIS...
GLENWOOD...ST. CLOUD...MADISON...BENSON...MONTEVIDEO...WILLMAR...
LITCHFIELD...GRANITE FALLS...OLIVIA...HUTCHINSON...GAYLORD...
REDWOOD FALLS...NEW ULM...ST. PETER...ST. JAMES...MANKATO...
FAIRMONT...BLUE EARTH
1047 AM CDT SUN MAY 1 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON. 

* TIMING...WEST TO NORTHWEST WINDS WILL REMAIN STRONG THROUGH MOST
  OF THE AFTERNOON. WINDS DECREASING LATE AFTERNOON AND EARLY EVENING.

* WINDS...WEST AT 20 TO 35 MPH WITH GUSTS TO 40 MPH.

* IMPACTS...POTENTIALLY DIFFICULT DRIVING...ESPECIALLY ON NORTH 
  SOUTH ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

Nearby

Wind Advisories in Minnesota, 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.