Alert archive / Michigan / Wind Advisories in 2012

Wind Advisory 1, NWS Grand Rapids, MI

February 29, 20126 counties in Michigan

NWS Grand Rapids, MI issued this wind advisory at Feb 29, 2012, 6:09 PM EST for 6 counties in Michigan. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Feb 29, 2012, 6:09 PM EST (23:09 UTC)
Expired
Feb 29, 2012, 8:13 PM EST
In force
2 hr
Issued by
NWS Grand Rapids, MI

Counties Calhoun County, MI, Eaton County, MI, Ingham County, MI, Jackson County, MI, Kalamazoo County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 70 km from the middle of the area, began a volume at 23:10 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, 11.2 hours before the alert went out and 141 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 2012-02-29Temperature 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 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 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
492 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
538 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.

667 
WWUS73 KGRR 292309
NPWGRR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
609 PM EST WED FEB 29 2012

MIZ066-067-071>074-010200-
/O.NEW.KGRR.WI.Y.0001.120229T2309Z-120301T0200Z/
EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...CHARLOTTE...LANSING...SOUTH HAVEN...
KALAMAZOO...BATTLE CREEK...JACKSON
609 PM EST WED FEB 29 2012

...WIND ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM EST THIS EVENING. 

HAZARDOUS WEATHER...

 * SOUTHWEST WINDS MAY GUST UP TO 55 MPH INTO THE EARLY EVENING
   HOURS

 * WINDS HAVE GUSTED OVER 50 MPH AT BATTLE CREEK. 

IMPACTS...

 * FALLING TREE LIMBS MAY CAUSE SCATTERED POWER OUTAGES.

 * DIFFICULT TRAVEL FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS BETWEEN 45 AND 57 MPH CAN BE EXPECTED. WINDS THIS STRONG
CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

 * WEATHER PREPAREDNESS INFORMATION IS AVAILABLE ON LINE AT 
   HTTP://GO.USA.GOV/5OG. 

&&

$$

MJS
1 follow-up statement
965 
WWUS73 KGRR 010113
NPWGRR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
813 PM EST WED FEB 29 2012

MIZ066-067-071>074-010215-
/O.CAN.KGRR.WI.Y.0001.000000T0000Z-120301T0200Z/
EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...CHARLOTTE...LANSING...SOUTH HAVEN...
KALAMAZOO...BATTLE CREEK...JACKSON
813 PM EST WED FEB 29 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
WIND ADVISORY. 

HAZARDOUS WEATHER...

 * WINDS HAVE DIMINISHED ACROSS THE AREA...AND WILL CONTINUE TO
   DIMINISH THROUGH THE NIGHT.

IMPACTS...

 * A FEW WIND GUSTS TO 50 MPH WERE RECORDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 * SEND REPORTS TO NWS GRAND RAPIDS OR VISIT WEATHER.GOV/GRR FOR 
   MORE INFORMATION. 

&&

$$

NJJ

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 10:56 AM ESTRiver Flood AdvisoryGRRKalamazoo3 days
Feb 29, 4:17 PM ESTSmall Craft AdvisoryGRR19 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.