Alert archive / Michigan / Wind Advisories in 2012

Wind Advisory 2, NWS Marquette, MI

April 8, 2012Houghton County, Keweenaw County, Michigan

NWS Marquette, MI issued this wind advisory at Apr 8, 2012, 11:38 AM EDT for Houghton County, Keweenaw County, Michigan. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 8, 2012, 11:38 AM EDT (15:38 UTC)
Expired
Apr 8, 2012, 7:00 PM EDT
In force
7 hr
Issued by
NWS Marquette, MI

Counties Houghton County, MI, Keweenaw County, MI

The radar

The Marquette radar (KMQT), 95 km from the middle of the area, began a volume at 15:37 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 3.6 hours before the alert went out and 297 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, Green Bay/Straub, WI at 12:00Z on 2012-04-08Temperature 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, Green Bay/Straub, WI at 12:00Z on 2012-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939587897117Sfc1 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
1804 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
84 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.

279 
WWUS73 KMQT 081538
NPWMQT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
1138 AM EDT SUN APR 8 2012

...STRONG WEST WINDS TO CONTINUE TODAY...

.STRONG WEST WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 45 MPH WILL
CONTINUE THROUGH MID AFTERNOON...UNDER THE SHARP PRESSURE GRADIENT
BETWEEN LOW PRESSURE TO OUR NORTHWEST...AND STRONG HIGH PRESSURE OVER
THE MID MISSISSIPPI VALLEY. EXPECT THE STRONG WINDS TO DIMINISH EARLY
THIS EVENING AS BOTH SYSTEM WEAKEN AND MOVE FARTHER AWAY FROM OUR AREA.

MIZ001-003-082300-
/O.NEW.KMQT.WI.Y.0002.120408T1538Z-120408T2300Z/
KEWEENAW-NORTHERN HOUGHTON-
INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK
1138 AM EDT SUN APR 8 2012

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

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM EDT THIS EVENING. 

HAZARDOUS WEATHER...

 * EXPECT WEST WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 45 MPH THROUGH
   MID AFTERNOON. THE STRONGEST WINDS CAN BE EXPECTED ACROSS THE
   HIGHER TERRAIN AND WESTWARD FACING SLOPES. 

IMPACTS...

 * THE STRONG WINDS WILL BLOW LOOSE OUTDOOR ITEMS AROUND EASILY.

 * DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT AT TIMES.

 * THE STRONG WINDS MAY BLOW DOWN TREE LIMBS...LEADING TO SPORADIC
   POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WIND ADVISORY MEANS THAT FREQUENT WIND GUSTS OF 45 TO
   57 MPH ARE EXPECTED OR OCCURRING.

 * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT

&&

$$

KF

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 9:16 AM EDTRed Flag WarningMQTBaraga, Dickinson, Gogebic, Houghton, Iron, Ontonagon12 hr

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.