Alert archive / Michigan / Wind Advisories in 2012

Wind Advisory 8, NWS Detroit, MI

December 21, 201217 counties in Michigan

NWS Detroit, MI issued this wind advisory at Dec 21, 2012, 2:13 PM EST for 17 counties in Michigan. It took effect at Dec 21, 2012, 4:46 PM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 21, 2012, 2:13 PM EST (19:13 UTC)
In effect from
Dec 21, 2012, 4:46 PM EST
Expired
Dec 22, 2012, 1:00 AM EST
In force
8 hr
Issued by
NWS Detroit, MI

Counties Bay County, MI, Genesee County, MI, Huron County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Midland County, MI, Monroe County, MI, Oakland County, MI, Saginaw County, MI, Saint Clair County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Washtenaw County, MI, Wayne County, MI

The radar

The Detroit radar (KDTX), 26 km from the middle of the area, began a volume at 19:15 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, 7.2 hours before the alert went out and 25 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 2012-12-21Temperature 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 2012-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 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
460 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
220 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.

658 
WWUS73 KDTX 211913
NPWDTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
213 PM EST FRI DEC 21 2012

...GUSTY WINDS WILL GRADUALLY INCREASE THIS EVENING...

.THE PRESSURE GRADIENT WILL INCREASE THIS EVENING AS A WEAKENING
LOW PRESSURE LIFTS OUT OF THE AREA AND CAUSES A MODERATE INCREASE
IN THE SUSTAINED WIND SPEED. IN ADDITION...COLD AIR FILTERING INTO
THE AREA WILL FACILITATE THE DEVELOPMENT OF WIND GUSTS AS HIGH AS
45 MPH. A FEW STRONGER GUSTS WILL BE POSSIBLE FOR NEARSHORE AREAS
OF THE THUMB AS STRONGER WINDS OFF OF LAKE HURON PUSH THEIR WAY INLAND.

MIZ047>049-053>055-060>063-068>070-075-076-082-083-220600-
/O.NEW.KDTX.WI.Y.0008.121221T2100Z-121222T0600Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-
LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-
LENAWEE-MONROE-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE...
SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER...
PORT HURON...HOWELL...PONTIAC...WARREN...ANN ARBOR...DETROIT...
ADRIAN...MONROE
213 PM EST FRI DEC 21 2012

...WIND ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 1 AM EST SATURDAY. 

HAZARDOUS WEATHER...

 * SUSTAINED NORTHWEST WINDS AROUND 25 KNOTS WILL OCCASIONALLY
   GUST INTO THE 40 TO 45 MPH RANGE THIS EVENING. A FEW HIGHER
   GUSTS WILL BE POSSIBLE ALONG NEARSHORE AREAS OF THE THUMB. 

 * SOME LOCATIONS MAY SEE OCCASIONAL SHORT-LIVED REDUCTIONS TO
   VISIBILITY DUE TO BLOWING SNOW.

IMPACTS...

 * THE WIND GUSTS CAN MAKE DRIVING HIGH PROFILE VEHICLES
   DIFFICULT...PARTICULARLY ON NORTH-SOUTH ORIENTED ROADS.

 * SMALL TREE BRANCHES MAY BE BLOWN DOWN...WHICH COULD LEAD TO
   SPORADIC POWER OUTAGES. LIGHT OBJECTS THAT ARE UNSECURED SUCH
   AS TRASH CANS AND OUTDOOR HOLIDAY DECORATIONS WILL BE BLOWN AROUND.

 * MOTORISTS MAY EXPERIENCE AN OCCASIONAL SHORT-LIVED REDUCTION
   IN VISIBILITY DUE TO BLOWING SNOW.

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

&&

$$
2 follow-up statements
367 
WWUS73 KDTX 212149 CCA
NPWDTX

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
446 PM EST FRI DEC 21 2012

CORRECTED SUSTAINED WIND UNITS IN HAZARDOUS WEATHER SECTION

...GUSTY WINDS WILL GRADUALLY INCREASE THIS EVENING...

.THE PRESSURE GRADIENT WILL INCREASE THIS EVENING AS A WEAKENING
LOW PRESSURE LIFTS OUT OF THE AREA AND CAUSES A MODERATE INCREASE
IN THE SUSTAINED WIND SPEED. IN ADDITION...COLD AIR FILTERING INTO
THE AREA WILL FACILITATE THE DEVELOPMENT OF WIND GUSTS AS HIGH AS
45 MPH. A FEW STRONGER GUSTS WILL BE POSSIBLE FOR NEARSHORE AREAS
OF THE THUMB AS STRONGER WINDS OFF OF LAKE HURON PUSH THEIR WAY INLAND.

MIZ047>049-053>055-060>063-068>070-075-076-082-083-220600-
/O.COR.KDTX.WI.Y.0008.121221T2146Z-121222T0600Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-
LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-
LENAWEE-MONROE-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE...
SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER...
PORT HURON...HOWELL...PONTIAC...WARREN...ANN ARBOR...DETROIT...
ADRIAN...MONROE
446 PM EST FRI DEC 21 2012

...WIND ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 1 AM EST SATURDAY. 

HAZARDOUS WEATHER...

 * SUSTAINED NORTHWEST WINDS AROUND 25 MPH WILL OCCASIONALLY
   GUST INTO THE 40 TO 45 MPH RANGE THIS EVENING. A FEW HIGHER
   GUSTS WILL BE POSSIBLE ALONG NEARSHORE AREAS OF THE THUMB. 

 * SOME LOCATIONS MAY SEE OCCASIONAL SHORT-LIVED REDUCTIONS TO
   VISIBILITY DUE TO BLOWING SNOW.

IMPACTS...

 * THE WIND GUSTS CAN MAKE DRIVING HIGH PROFILE VEHICLES
   DIFFICULT...PARTICULARLY ON NORTH-SOUTH ORIENTED ROADS.

 * SMALL TREE BRANCHES MAY BE BLOWN DOWN...WHICH COULD LEAD TO
   SPORADIC POWER OUTAGES. LIGHT OBJECTS THAT ARE UNSECURED SUCH
   AS TRASH CANS AND OUTDOOR HOLIDAY DECORATIONS WILL BE BLOWN AROUND.

 * MOTORISTS MAY EXPERIENCE AN OCCASIONAL SHORT-LIVED REDUCTION
   IN VISIBILITY DUE TO BLOWING SNOW.

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

&&

$$

KURIMSKI
136 
WWUS73 KDTX 220543
NPWDTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1243 AM EST SAT DEC 22 2012


MIZ047>049-053>055-060>063-068>070-075-076-082-083-220645-
/O.EXP.KDTX.WI.Y.0008.000000T0000Z-121222T0600Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-
LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-
LENAWEE-MONROE-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE...
SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER...
PORT HURON...HOWELL...PONTIAC...WARREN...ANN ARBOR...DETROIT...
ADRIAN...MONROE
1243 AM EST SAT DEC 22 2012

...WIND ADVISORY WILL EXPIRE AT 1 AM EST EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 1 AM EST EARLY THIS MORNING. 

HAZARDOUS WEATHER...

 * NORTHWEST WIND GUSTS BETWEEN 30 AND 40 MPH EARLY THIS MORNING
   WILL CONTINUE TO DECREASE.

IMPACTS...

 * WIND GUSTS TOPPED OUT IN THE 40 TO 45 MPH RANGE YESTERDAY
   EVENING...WITH DTE REPORTING SPORADIC POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 7:11 PM ESTSpecial Marine WarningDTX65 min
Dec 21, 3:34 AM ESTWinter Weather AdvisoryDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more10 hr
Dec 21, 3:40 AM ESTStorm WarningDTX24 hr
Dec 21, 10:22 AM ESTLow Water AdvisoryDTX17 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.