Alert archive / Minnesota / Wind Advisories in 2012

Wind Advisory 7, NWS Twin Cities, MN

April 13, 201212 counties in Minnesota

NWS Twin Cities, MN issued this wind advisory at Apr 13, 2012, 12:54 PM CDT for 12 counties in Minnesota. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 13, 2012, 12:54 PM CDT (17:54 UTC)
Expired
Apr 13, 2012, 7:00 PM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Rice County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 90 km from the middle of the area, began a volume at 17:55 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, 5.9 hours before the alert went out and 89 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 2012-04-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2012-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 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
2224 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
245 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.

967 
WWUS73 KMPX 131754
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1254 PM CDT FRI APR 13 2012

...STRONG WINDS CONTINUING THIS AFTERNOON...

.A WIND ADVISORY IS IN EFFECT THIS AFTERNOON FOR PORTIONS OF
SOUTHERN MINNESOTA. WINDS HAVE INCREASED THIS AFTERNOON WITH
SUSTAINED WINDS BETWEEN 25 AND 35 MPH AND GUSTS BETWEEN 40 AND 45
MPH. THE WINDS WILL SLOWLY SUBSIDE EARLY THIS EVENING.

MNZ074>078-082>085-091>093-140000-
/O.NEW.KMPX.WI.Y.0007.120413T1754Z-120414T0000Z/
BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-WASECA-
STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...NEW ULM...ST. PETER...LE SUEUR...
FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA...
FAIRMONT...BLUE EARTH...ALBERT LEA
1254 PM CDT FRI APR 13 2012

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

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING.

* TIMING...WINDS WILL REMAIN STRONG THIS AFTERNOON.

* WINDS...SUSTAINED OF 25 TO 35 MPH WITH GUSTS APPROACHING 45 MPH.

* IMPACTS...HIGH WINDS CAN MAKE FOR DIFFICULT DRIVING AND MIGHT
  EVEN TAKE DOWN SMALL OR WEAK TREE LIMBS.

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.

&&

$$

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.