Alert archive / Michigan / Wind Advisories in 2012

Wind Advisory 6, NWS Detroit, MI

October 30, 2012Huron County, Saint Clair County, Sanilac County, Michigan

NWS Detroit, MI issued this wind advisory at Oct 30, 2012, 1:02 PM EDT for Huron County, Saint Clair County, Sanilac County, Michigan. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2012, 1:02 PM EDT (17:02 UTC)
Expired
Oct 30, 2012, 8:00 PM EDT
In force
7 hr
Issued by
NWS Detroit, MI

Counties Huron County, MI, Saint Clair County, MI, Sanilac County, MI

The radar

The Detroit radar (KDTX), 101 km from the middle of the area, began a volume at 17:04 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

Detroit, MI (KDTX), launched 12:00Z, 5.0 hours before the alert went out and 98 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, Detroit, MI at 12:00Z on 2012-10-30Temperature 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, Detroit, MI at 12:00Z on 2012-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 571 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
524 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
571 m²/s²
0-3 km storm-relative helicity
684 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.

029 
WWUS73 KDTX 301702
NPWDTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
102 PM EDT TUE OCT 30 2012

...STRONG ONSHORE FLOW THROUGH THIS EVENING...

.THE REMNANTS OF HURRICANE SANDY WILL CONTINUE TO PRODUCE GUSTY
WINDS THROUGH THIS EVENING. THOUGH MOST OF SOUTHEAST MICHIGAN WILL
ONLY SEE GUSTS AROUND 30 TO 35 MPH...THE FAVORABLE FLOW OFF OF
LAKE HURON WILL ALLOW LOCATIONS ALONG THE SHORELINE TO SEE GUSTS
UP TO 50 MPH. THE WIND FIELD WILL SLOWLY DECREASE AS SANDY
CONTINUES TO WEAKEN AND MOVE OFF TO THE NORTH THIS AFTERNOON.

MIZ049-055-063-310000-
/O.CAN.KDTX.HW.W.0002.000000T0000Z-121030T1700Z/
/O.NEW.KDTX.WI.Y.0006.121030T1702Z-121031T0000Z/
HURON-SANILAC-ST. CLAIR-
INCLUDING THE CITIES OF...BAD AXE...SANDUSKY...PORT HURON
102 PM EDT TUE OCT 30 2012

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

HAZARDOUS WEATHER...

 * NORTH WIND OF 30 TO 40 MPH WITH GUSTS TO 50 MPH. THESE WINDS
   WILL PERSIST INTO EARLY AFTERNOON BEFORE DIMINISHING.

 * THE STRONGEST WINDS WILL BE NEAR THE IMMEDIATE SHORELINE OF 
   LAKE HURON. 

IMPACTS...

 * DAMAGE TO TREES...POWER LINES...AND SMALLER STRUCTURES WILL 
   CONTINUE. 

 * THE STRONG WIND GUSTS WILL MAKE TRAVEL HAZARDOUS.

 * CONSIDERABLE TREE DAMAGE AND NUMEROUS POWER OUTAGES HAVE BEEN 
   REPORTED IN SECTIONS OF THE THUMB NEAR LAKE HURON... 
   ESPECIALLY IN NORTHERN ST CLAIR COUNTY ACCORDING TO COUNTY 
   SHERIFF. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS
OF 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

 * PREPARE...PLAN...AND STAY INFORMED.
   VISIT HTTP://GO.USA.GOV/RR8

&&

$$

MIZ047-048-053-054-060>062-068>070-075-076-082-083-301815-
/O.CAN.KDTX.WI.Y.0005.000000T0000Z-121030T1700Z/
MIDLAND-BAY-SAGINAW-TUSCOLA-SHIAWASSEE-GENESEE-LAPEER-LIVINGSTON-
OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...SAGINAW...CARO...
OWOSSO...FLINT...LAPEER...HOWELL...PONTIAC...WARREN...ANN ARBOR...
DETROIT...ADRIAN...MONROE
102 PM EDT TUE OCT 30 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
WIND ADVISORY. 

WINDS HAVE DECREASED BELOW ADVISORY CRITERIA. SOME GUSTS UP TO 40
MPH WILL STILL BE POSSIBLE THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * FOR MORE INFORMATION VISIT HTTP://GO.USA.GOV/RR8. 

&&

$$
1 follow-up statement
094 
WWUS73 KDTX 302357
NPWDTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
757 PM EDT TUE OCT 30 2012

MIZ049-055-063-310100-
/O.EXP.KDTX.WI.Y.0006.000000T0000Z-121031T0000Z/
HURON-SANILAC-ST. CLAIR-
INCLUDING THE CITIES OF...BAD AXE...SANDUSKY...PORT HURON
757 PM EDT TUE OCT 30 2012

...WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING. 

HAZARDOUS WEATHER...

 * NORTHERLY WINDS WILL CONTINUE TO SLOWLY SUBSIDE TONIGHT.

IMPACTS...

 * NORTHERLY WINDS WHERE SUSTAINED NEAR 30 MPH NEAR THE LAKE HURON
   SHORELINE INTO EARLY THIS EVENING WITH GUSTS BETWEEN 40 AND 45
   MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * FOR MORE INFORMATION VISIT HTTP://GO.USA.GOV/RR8. 

&&

$$

DG

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 30, 10:13 AM EDTGale WarningDTX10 hr
Oct 30, 7:57 PM EDTSmall Craft AdvisoryDTX4 days

Nearby

Wind Advisories in Michigan, 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.