Alert archive / Michigan / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 53, NWS Gaylord, MI

October 17, 20164 counties in Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Oct 17, 2016, 8:27 AM EDT for 4 counties in Michigan. It was in force for 63 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 17, 2016, 8:27 AM EDT (12:27 UTC)
Expired
Oct 17, 2016, 9:30 AM EDT
In force
63 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon

Counties Antrim County, MI, Charlevoix County, MI, Cheboygan County, MI, Otsego County, MI

The radar

The NCL Michigan radar (KAPX), 25 km from the middle of the area, began a volume at 12:29 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
Oct 17, 8:30 AM EDTHAIL 0.88Boyne City, MITIME ESTIMATED FROM RADAR.
Oct 17, 9:00 AM EDTHAIL 0.25Gaylord, 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, 0.5 hours before the alert went out and 174 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 2016-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 53 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 2016-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 446 square meters per square second.19395878Sfc1 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
53 J/kg
Mixed-layer CIN
-363 J/kg
Mixed-layer LCL
543 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
446 m²/s²
0-3 km storm-relative helicity
491 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

727 
WUUS53 KAPX 171227
SVRAPX
MIC009-029-031-137-171330-
/O.NEW.KAPX.SV.W.0053.161017T1227Z-161017T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
827 AM EDT MON OCT 17 2016

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHARLEVOIX COUNTY IN NORTHERN MICHIGAN...
  SOUTHWESTERN CHEBOYGAN COUNTY IN NORTHERN MICHIGAN...
  OTSEGO COUNTY IN NORTHERN MICHIGAN...
  SOUTHEASTERN ANTRIM COUNTY IN NORTHERN MICHIGAN...

* UNTIL 930 AM EDT

* AT 827 AM EDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
  THUNDERSTORMS PRODUCING LARGE HAIL UP TO PING PONG BALL SIZE.
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR YOUNG
  STATE PARK TO NEAR CLAM RIVER... AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GAYLORD...ELMIRA...VANDERBILT...BOYNE FALLS...WOLVERINE...ALBA...
  WATERS...OTSEGO LAKE STATE PARK...PICKEREL LAKE...CHESTER
  TOWNSHIP...JOHANNESBURG...EASTERN CORWITH TOWNSHIP...WALLOON
  LAKE...SPARR AND WARNER TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR
LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND
AWAY FROM WINDOWS.

&&

LAT...LON 4529 8437 4487 8438 4486 8504 4527 8495
TIME...MOT...LOC 1227Z 285DEG 34KT 4520 8502 4497 8531 

$$

FARINA
3 follow-up statements
158 
WWUS53 KAPX 171251
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
851 AM EDT MON OCT 17 2016

MIC009-029-031-137-171330-
/O.CON.KAPX.SV.W.0053.000000T0000Z-161017T1330Z/
CHARLEVOIX MI-CHEBOYGAN MI-OTSEGO MI-ANTRIM MI-
851 AM EDT MON OCT 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM EDT
FOR SOUTHEASTERN CHARLEVOIX...SOUTHWESTERN CHEBOYGAN...OTSEGO AND
SOUTHEASTERN ANTRIM COUNTIES...

AT 850 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR VANDERBILT TO ELMIRA...MOVING EAST AT 45 MPH.

HAZARD...PING PONG BALL SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE 
         TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

LOCATIONS IMPACTED INCLUDE...
GAYLORD...ELMIRA...VANDERBILT...BOYNE FALLS...WOLVERINE...ALBA...
WATERS...OTSEGO LAKE STATE PARK...PICKEREL LAKE...CHESTER TOWNSHIP...
JOHANNESBURG...EASTERN CORWITH TOWNSHIP...WALLOON LAKE...SPARR AND
WARNER TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4489 8438 4488 8503 4527 8494 4529 8437
TIME...MOT...LOC 1250Z 274DEG 39KT 4515 8474 4504 8486 

HAIL...1.50IN
WIND...<50MPH
 
$$

FARINA
392 
WWUS53 KAPX 171312
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
912 AM EDT MON OCT 17 2016

MIC009-029-031-137-171330-
/O.CON.KAPX.SV.W.0053.000000T0000Z-161017T1330Z/
CHARLEVOIX MI-CHEBOYGAN MI-OTSEGO MI-ANTRIM MI-
912 AM EDT MON OCT 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM EDT
FOR SOUTHEASTERN CHARLEVOIX...SOUTHWESTERN CHEBOYGAN...OTSEGO AND
SOUTHEASTERN ANTRIM COUNTIES...

AT 912 AM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTHEAST OF AFTON TO NEAR EASTERN CORWITH
TOWNSHIP...MOVING EAST AT 45 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
GAYLORD...ELMIRA...VANDERBILT...BOYNE FALLS...WOLVERINE...ALBA...
WATERS...OTSEGO LAKE STATE PARK...PICKEREL LAKE...CHESTER TOWNSHIP...
JOHANNESBURG...EASTERN CORWITH TOWNSHIP...WALLOON LAKE...SPARR AND
WARNER TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 4489 8438 4488 8503 4527 8494 4529 8437
TIME...MOT...LOC 1312Z 259DEG 46KT 4524 8439 4513 8451 

HAIL...1.00IN
WIND...<50MPH
 
$$

FARINA
147 
WWUS53 KAPX 171324
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
924 AM EDT MON OCT 17 2016

MIC009-029-031-137-171333-
/O.EXP.KAPX.SV.W.0053.000000T0000Z-161017T1330Z/
CHARLEVOIX MI-CHEBOYGAN MI-OTSEGO MI-ANTRIM MI-
924 AM EDT MON OCT 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHARLEVOIX...
SOUTHWESTERN CHEBOYGAN...OTSEGO AND SOUTHEASTERN ANTRIM COUNTIES WILL
EXPIRE AT 930 AM EDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.

LAT...LON 4489 8438 4488 8503 4527 8494 4529 8437
TIME...MOT...LOC 1323Z 273DEG 26KT 4523 8434 4516 8435 

$$

FARINA

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 6:12 AM EDTSpecial Marine WarningAPX63 min
Oct 17, 6:23 AM EDTSpecial Weather StatementAPXCharlevoix52 min
Oct 17, 6:33 AM EDTSpecial Marine WarningAPX57 min
Oct 17, 7:09 AM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Leelanau36 min
Oct 17, 7:14 AM EDTSpecial Marine WarningAPX46 min
Oct 17, 7:24 AM EDTSpecial Marine WarningAPX51 min
Oct 17, 7:43 AM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Leelanau62 min
Oct 17, 8:01 AM EDTSpecial Weather StatementAPXEmmet29 min
Oct 17, 8:05 AM EDTSpecial Marine WarningAPX40 min
Oct 17, 8:08 AM EDTSevere Thunderstorm WarningAPXChippewa, Emmet, Mackinac52 min
Oct 17, 8:46 AM EDTSpecial Marine WarningAPX59 min
Oct 17, 9:50 AM EDTSpecial Weather StatementAPXAlpena, Montmorency, Ogemaw, Oscoda55 min
Oct 17, 9:53 AM EDTSpecial Weather StatementAPXPresque Isle22 min
Oct 17, 9:59 AM EDTSpecial Marine WarningAPX61 min
Oct 17, 10:10 AM EDTSevere Thunderstorm WarningAPXAlcona, Iosco, Ogemaw, Oscoda50 min
Oct 17, 10:33 AM EDTSpecial Marine WarningAPX57 min
Oct 17, 12:06 PM EDTSpecial Marine WarningAPX39 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.