Alert archive / Michigan / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 49, NWS Gaylord, MI

September 10, 20164 counties in Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Sep 10, 2016, 3:37 PM EDT for 4 counties in Michigan. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 10, 2016, 3:37 PM EDT (19:37 UTC)
Expired
Sep 10, 2016, 4:30 PM EDT
In force
53 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Alcona County, MI, Iosco County, MI, Ogemaw County, MI, Oscoda County, MI

The radar

The NCL Michigan radar (KAPX), 93 km from the middle of the area, began a volume at 19:38 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

Alpena, MI (KAPX), launched 12:00Z, 7.6 hours before the alert went out and 110 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 2016-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 joules per kilogram.LCLLFCEL10008507005003002001001 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 2016-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
28 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
928 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

943 
WUUS53 KAPX 101937
SVRAPX
MIC001-069-129-135-102030-
/O.NEW.KAPX.SV.W.0049.160910T1937Z-160910T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
337 PM EDT SAT SEP 10 2016

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ALCONA COUNTY IN NORTHERN MICHIGAN...
  OSCODA COUNTY IN NORTHERN MICHIGAN...
  IOSCO COUNTY IN NORTHERN MICHIGAN...
  NORTHEASTERN OGEMAW COUNTY IN NORTHERN MICHIGAN...

* UNTIL 430 PM EDT

* AT 335 PM EDT...A LINE OF SHOWERS WITH EMBEDDED THUNDER WAS
  PRODUCING SEVERE WINDS ALONG A LINE EXTENDING FROM NEAR RED OAK TO
  NEAR RIFLE RIVER STATE PARK...MOVING NORTHEAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  OSCODA...EAST TAWAS...TAWAS CITY...HARRISVILLE...AU SABLE...
  GLENNIE...MIO...SOUTH BRANCH...COMINS...MCKINLEY...MIKADO...
  ROSE CITY...LINCOLN...CURTISVILLE...RIFLE RIVER STATE PARK...
  BLACK RIVER...PLAINFIELD TOWNSHIP...ROSE TOWNSHIP...
  FAIRVIEW AND CURRAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4483 8320 4427 8331 4426 8413 4481 8430
TIME...MOT...LOC 1935Z 241DEG 38KT 4470 8422 4437 8402 

HAIL...<.75IN
WIND...60MPH
 
$$
JK
1 follow-up statement
620 
WWUS53 KAPX 102024
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
424 PM EDT SAT SEP 10 2016

MIC001-069-129-135-102033-
/O.EXP.KAPX.SV.W.0049.000000T0000Z-160910T2030Z/
ALCONA MI-OSCODA MI-IOSCO MI-OGEMAW MI-
424 PM EDT SAT SEP 10 2016

...THE SEVERE THUNDERSTORM WARNING FOR ALCONA...OSCODA...IOSCO AND
NORTHEASTERN OGEMAW COUNTIES WILL EXPIRE AT 430 PM EDT...
    
THE LINE OF SHOWERS PRODUCING GUSTY WINDS WHICH PROMPTED THE WARNING
HAVE WEAKENED MOVED OUT OF THE AREA. THEREFORE...THE WARNING WILL BE
ALLOWED TO EXPIRE.

LAT...LON 4483 8320 4427 8331 4426 8413 4481 8430
TIME...MOT...LOC 2021Z 241DEG 38KT 4470 8422 4437 8402 

$$

ADAM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 4:02 AM EDTBeach Hazards StatementAPXAlcona, Alpena, Antrim, Benzie, Cheboygan, Emmet and 4 more30 hr
Sep 10, 3:20 PM EDTSpecial Weather StatementAPXAlcona, Alpena, Arenac, Gladwin, Iosco, Montmorency and 3 more25 min
Sep 10, 3:25 PM EDTSpecial Marine WarningAPX65 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2016Every severe thunderstorm warning in 2016

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.