Alert archive / Minnesota / Wind Advisories in 2012

Wind Advisory 15, NWS Twin Cities, MN

September 19, 201219 counties in Minnesota

NWS Twin Cities, MN issued this wind advisory at Sep 19, 2012, 3:39 AM CDT for 19 counties in Minnesota. It took effect at Sep 19, 2012, 11:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Sep 19, 2012, 3:39 AM CDT (08:39 UTC)
In effect from
Sep 19, 2012, 11:00 AM CDT
Expired
Sep 19, 2012, 7:00 PM CDT
In force
8 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Brown County, MN, Chippewa County, MN, Douglas County, MN, Kandiyohi County, MN, Lac qui Parle 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), 116 km from the middle of the area, began a volume at 08:37 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, 8.7 hours before the alert went out and 113 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 2012-09-19Temperature 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 2012-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
2199 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
187 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.

672 
WWUS73 KMPX 190839
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
339 AM CDT WED SEP 19 2012

...WIND ADVISORY IN EFFECT TODAY INTO THIS EVENING FOR PARTS OF
WEST CENTRAL AND SOUTH CENTRAL MINNESOTA...

.SUSTAINED NORTHWEST WINDS OF 30 TO 35 MPH WITH GUSTS NEAR 40 MPH
ARE EXPECTED TO DEVELOP OVER PORTIONS OF WEST CENTRAL AND SOUTH
CENTRAL MINNESOTA AFTER 11 AM TODAY...GENERALLY ALONG AND WEST OF A
LONG PRAIRIE...TO GLENCOE...TO MANKATO LINE.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON EAST TO
WEST ORIENTED ROADWAYS...INCLUDING INTERSTATE 94 FROM ALEXANDRIA
TO ST CLOUD...AND ON HIGHWAYS 12 AND 14.

THESE STRONG NORTHWEST WINDS ARE OCCURRING IN ASSOCIATION WITH A
STRONG LOW PRESSURE SYSTEM MOVING OVER THE UPPER GREAT LAKES. THIS
AREA OF LOW PRESSURE WILL BEGIN TO LIFT EAST OF THE REGION THIS
EVENING...AND ALLOW WINDS TO SUBSIDE BELOW 30 MPH BY 7 PM.

MNZ041-042-047>049-054>058-064>067-073>075-082-083-191645-
/O.NEW.KMPX.WI.Y.0015.120919T1600Z-120920T0000Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-REDWOOD-
BROWN-NICOLLET-WATONWAN-BLUE EARTH-
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
339 AM CDT WED SEP 19 2012

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM CDT THIS EVENING. 

* TIMING...STRONG NORTHWEST WINDS DEVELOPING AROUND 11 AM CDT THIS
  MORNING AND CONTINUING UNTIL 7 PM CDT THIS EVENING.

* WINDS...SUSTAINED NORTHWEST WINDS OF 30 TO 35 MPH WITH GUSTS TO
  AROUND 40 MPH. 

* IMPACTS...DIFFICULT DRIVING...ESPECIALLY FOR HIGH PROFILE
  VEHICLES...PARTICULARLY ON EAST TO WEST ORIENTED ROADWAYS.

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.

&&

$$
1 follow-up statement
075 
WWUS73 KMPX 191609
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1109 AM CDT WED SEP 19 2012

...WIND ADVISORY IN EFFECT THROUGH 7 PM THIS EVENING FOR PARTS OF
WEST CENTRAL AND SOUTH CENTRAL MINNESOTA...

.A WIND ADVISORY REMAINS IN EFFECT THROUGH 7 PM FOR LOCATIONS
GENERALLY ALONG AND WEST OF A LONG PRAIRIE...TO GLENCOE...TO
MANKATO LINE. SUSTAINED NORTHWEST WINDS NEAR 30 MPH WITH GUSTS
NEAR 40 MPH ARE EXPECTED TO DEVELOP ACROSS THE ADVISORY AREA THIS
AFTERNOON. 

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION...ESPECIALLY ON EAST TO WEST
ORIENTED ROADWAYS...INCLUDING INTERSTATE 94 FROM ALEXANDRIA TO ST
CLOUD...AND ON HIGHWAYS 12 AND 14.

THESE STRONG NORTHWEST WINDS ARE OCCURRING BEHIND A STRONG COLD
FRONT ASSOCIATED WITH A LOW PRESSURE SYSTEM MOVING OVER THE UPPER
GREAT LAKES. THIS AREA OF LOW PRESSURE WILL BEGIN TO LIFT EAST OF
THE REGION THIS EVENING...AND ALLOW WINDS TO SUBSIDE BELOW 30 MPH
BY 7 PM.

MNZ041-042-047>049-054>058-064>067-073>075-082-083-200000-
/O.CON.KMPX.WI.Y.0015.000000T0000Z-120920T0000Z/
DOUGLAS-TODD-STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-REDWOOD-
BROWN-NICOLLET-WATONWAN-BLUE EARTH-
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
1109 AM CDT WED SEP 19 2012

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

* TIMING...STRONG NORTHWEST WINDS DEVELOPING THIS AFTERNOON AND
  CONTINUING UNTIL 7 PM CDT THIS EVENING.

* WINDS...SUSTAINED NORTHWEST WINDS NEAR 30 MPH WITH GUSTS 
  TO AROUND 40 MPH. 

* IMPACTS...DIFFICULT DRIVING...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES...PARTICULARLY ON EAST TO WEST ORIENTED ROADWAYS. 

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, 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.