Alert archive / Michigan / Winter Storm Warnings in 2017

Winter Storm Warning 3, NWS Gaylord, MI

March 13, 2017Iosco County, Michigan

NWS Gaylord, MI issued this winter storm warning at Mar 13, 2017, 5:16 PM EDT for Iosco County, Michigan. It was in force for 11 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 13, 2017, 5:16 PM EDT (21:16 UTC)
Expired
Mar 14, 2017, 4:00 AM EDT
In force
11 hr
Issued by
NWS Gaylord, MI

County Iosco County, MI

The radar

The NCL Michigan radar (KAPX), 117 km from the middle of the area, began a volume at 21:21 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.

What was reported inside it

TimeReportWhereRemark
Mar 13, 8:45 PM EDTSNOW 8Oscoda, MI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 9.3 hours before the alert went out and 123 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, Alpena, MI at 12:00Z on 2017-03-13Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2017-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
613 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

789 
WWUS43 KAPX 132116
WSWAPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
516 PM EDT Mon Mar 13 2017

MIZ036-140530-
/O.UPG.KAPX.WW.Y.0018.000000T0000Z-170314T0800Z/
/O.NEW.KAPX.WS.W.0003.170313T2116Z-170314T0800Z/
Iosco-
Including the city of Tawas City
516 PM EDT Mon Mar 13 2017

...WINTER STORM WARNING IN EFFECT UNTIL 4 AM EDT TUESDAY...

The National Weather Service in Gaylord has issued A Winter Storm
Warning for HEAVY SNOW...which is in effect until 4 AM EDT 
Tuesday. The WINTER WEATHER ADVISORY is no longer in effect. 

* Snow will continue...heavy at times diminishing overnight.

* The heaviest snowfall rates will occur through 11 PM.

* Additional snow accumulations of 1 to 5 inches are expected.
  Total snowfall in some areas as much as a foot. 

* Significant reductions in visibility at times and slick roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for fluffy snow means severe winter
weather conditions are occurring. If you must travel...keep an
extra flashlight...flood...and water in your vehicle in case of
emergency. For the latest road conditions...go to the MDOT
website at michigan.gov.

$$

MIZ024-029-042-140530-
/O.EXA.KAPX.WW.Y.0018.000000T0000Z-170314T0800Z/
Alpena-Oscoda-Arenac-
Including the cities of Alpena, Mio, and Standish
516 PM EDT Mon Mar 13 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM EDT TUESDAY...

The National Weather Service in Gaylord has issued A Winter
Weather Advisory for SNOW...which is in effect until 4 AM EDT 
Tuesday. 

* Snow will continue...heavy at times....diminishing overnight. 

* The heaviest snowfall rates will occur through 11 PM.

* Additional snow accumulations of 1 to 4 inches are expected.
  Total snow accumulations up to 6 inches possible is some areas.

* Significantly reduced visibilities at times and slippery roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities...and use caution while driving.
For the latest road conditions...go to the MDOT website at
michigan.gov.

$$

MIZ030-035-140530-
/O.CON.KAPX.WW.Y.0018.000000T0000Z-170314T0800Z/
Alcona-Ogemaw-
Including the cities of Harrisville and West Branch
516 PM EDT Mon Mar 13 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
TUESDAY...

A Winter Weather Advisory remains in effect until 4 AM EDT
Tuesday. 

* Snow will continue...heavy at times...diminishing overnight. 

* The heaviest snowfall rates will occur through 11 PM THIS 
  EVENING.

* Additional snow accumulations of 2 to 5 inches are expected.
  Total snow accumulations of 3 to 6 inches...locally as high as 8
  inches in Alcona county. 

* Significantly reduced visibilities at times and slippery roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities...and use caution while driving.
For the latest road conditions...go to the MDOT website at
michigan.gov.

$$

SMD

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 2:18 PM EDTWinter Weather AdvisoryAPXAlcona, Alpena, Arenac, Iosco, Ogemaw, Oscoda14 hr
Mar 13, 3:41 PM EDTSmall Craft AdvisoryAPX55 hr

Nearby

Winter Storm Warnings in Michigan, 2017Every winter storm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.