Alert archive / Michigan / Tornado Warnings in 2020

Tornado Warning 1, NWS Gaylord, MI

July 18, 2020Cheboygan County, Emmet County, Michigan

NWS Gaylord, MI issued this tornado warning at Jul 18, 2020, 4:04 PM EDT for Cheboygan County, Emmet County, Michigan. It was in force for 41 min. 5 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: Jul 18, 2020, 4:04 PM EDT (20:04 UTC)
Expired: Jul 18, 2020, 4:45 PM EDT
In force: 41 min
Issued by: NWS Gaylord, MI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Cheboygan County, MI, Emmet County, MI

The radar

The NCL Michigan radar (KAPX), 59 km from the middle of the area, began a volume at 20:08 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

Time	Report	Where	Remark
Jul 18, 4:05 PM EDT	FUNNEL CLOUD	Petoskey, MI	PUBLIC REPORTED ROTATION AND POSSIBLE FUNNEL CLOUD OVER PETOSKEY.
Jul 18, 4:05 PM EDT	TSTM WND GST 47	1 E Harbor Springs, MI
Jul 18, 4:15 PM EDT	TSTM WND DMG	Petoskey, MI	PICTURES ON SOCIAL MEDIA OF BUILDING DAMAGE TO PENNSYLVANIA PLAZA BUILDING.
Jul 18, 4:40 PM EDT	TSTM WND DMG	1 Se Petoskey, MI	MULTIPLE LARGE TREES DOWN ON SOUTHEAST SIDE OF PETOSKEY. TIME ESTIMATED FROM RADAR.
Jul 18, 4:47 PM EDT	TSTM WND DMG	6 Ese Indian River, MI	REPORT FROM SOCIAL MEDIA---TREES DOWN AND POWER LINES ARE ALL DOWN---IN AFTON.

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, 8.1 hours before the alert went out and 189 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 71 J/kg
Mixed-layer CIN: -221 J/kg
Mixed-layer LCL: 985 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

600 
WFUS53 KAPX 182004
TORAPX
MIC031-047-182045-
/O.NEW.KAPX.TO.W.0001.200718T2004Z-200718T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Gaylord MI
404 PM EDT Sat Jul 18 2020

The National Weather Service in Gaylord has issued a

* Tornado Warning for...
  West central Cheboygan County in northern Michigan...
  Southeastern Emmet County in northern Michigan...

* Until 445 PM EDT.
    
* At 404 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Conway, or near Harbor Springs, moving east at 40
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Petoskey, Harbor Springs, Indian River, Conway, Aloha, Alanson,
  Aloha State Park, Topinabee, Burt Lake State Park, Koehler
  Township, Brutus, Burt Lake, Bay View, Oden and Petoskey State
  Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4537 8499 4551 8499 4557 8441 4536 8443
TIME...MOT...LOC 2004Z 265DEG 33KT 4545 8490 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

adam

3 follow-up statements

377 
WWUS53 KAPX 182011
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
411 PM EDT Sat Jul 18 2020

MIC031-047-182045-
/O.CON.KAPX.TO.W.0001.000000T0000Z-200718T2045Z/
Cheboygan MI-Emmet MI-
411 PM EDT Sat Jul 18 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR WEST
CENTRAL CHEBOYGAN AND SOUTHEASTERN EMMET COUNTIES...
        
At 410 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Alanson, or 7 miles south of Pellston, moving east
at 40 mph.

HAZARD...Tornado.

SOURCE...Weather spotters reported rotation and a possible funnel 
         cloud as this storm passed over Petoskey.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Petoskey, Harbor Springs, Indian River, Conway, Aloha, Alanson, Aloha
State Park, Topinabee, Burt Lake State Park, Koehler Township,
Brutus, Burt Lake, Bay View, Oden and Petoskey State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4537 8499 4551 8499 4557 8441 4536 8443
TIME...MOT...LOC 2010Z 265DEG 33KT 4546 8482 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Bak

469 
WWUS53 KAPX 182022
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
422 PM EDT Sat Jul 18 2020

MIC047-182031-
/O.CAN.KAPX.TO.W.0001.000000T0000Z-200718T2045Z/
Emmet MI-
422 PM EDT Sat Jul 18 2020

...THE TORNADO WARNING FOR SOUTHEASTERN EMMET COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4536 8443 4537 8473 4554 8473 4557 8441
TIME...MOT...LOC 2021Z 267DEG 36KT 4543 8462 

$$

MIC031-182045-
/O.CON.KAPX.TO.W.0001.000000T0000Z-200718T2045Z/
Cheboygan MI-
422 PM EDT Sat Jul 18 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR WEST
CENTRAL CHEBOYGAN COUNTY...
        
At 421 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Indian River, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Weather spotters reported rotation with a possible funnel 
         cloud as the storm passed over Petoskey.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Indian River, Aloha, Aloha State Park, Topinabee, Burt Lake State
Park, Burt Lake and Koehler Township.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4536 8443 4537 8473 4554 8473 4557 8441
TIME...MOT...LOC 2021Z 267DEG 36KT 4543 8462 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Bak

069 
WWUS53 KAPX 182039
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
439 PM EDT Sat Jul 18 2020

MIC031-182047-
/O.EXP.KAPX.TO.W.0001.000000T0000Z-200718T2045Z/
Cheboygan MI-
439 PM EDT Sat Jul 18 2020

...THE TORNADO WARNING FOR WEST CENTRAL CHEBOYGAN COUNTY WILL EXPIRE
AT 445 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still
possible with this thunderstorm.

Remember, a Severe Thunderstorm Warning still remains in effect for
east central Cheboygan County until 515 PM.

LAT...LON 4536 8443 4537 8473 4554 8473 4557 8441
TIME...MOT...LOC 2037Z 265DEG 33KT 4544 8443 

$$

Bak

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 10:39 PM EDT	Small Craft Advisory	APX		24 hr
Jul 18, 3:34 AM EDT	Beach Hazards Statement	APX	Benzie, Charlevoix, Emmet, Leelanau, Mackinac, Manistee	17 hr
Jul 18, 8:34 AM EDT	Special Weather Statement	APX	Charlevoix, Mackinac	41 min
Jul 18, 8:47 AM EDT	Special Marine Warning	APX		58 min
Jul 18, 9:20 AM EDT	Special Weather Statement	APX	Charlevoix, Mackinac	55 min
Jul 18, 9:45 AM EDT	Special Weather Statement	APX	Antrim, Emmet, Grand Traverse, Mackinac	60 min
Jul 18, 9:46 AM EDT	Special Marine Warning	APX		29 min
Jul 18, 10:13 AM EDT	Special Marine Warning	APX		62 min
Jul 18, 10:20 AM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Emmet	38 min
Jul 18, 10:26 AM EDT	Severe Thunderstorm Warning	APX	Antrim	49 min
Jul 18, 10:40 AM EDT	Severe Thunderstorm Warning	APX	Charlevoix, Cheboygan, Montmorency, Otsego	40 min
Jul 18, 10:55 AM EDT	Severe Thunderstorm Warning	APX	Antrim, Kalkaska	50 min
Jul 18, 10:56 AM EDT	Special Marine Warning	APX		94 min
Jul 18, 11:08 AM EDT	Severe Thunderstorm Warning	APX	Crawford, Kalkaska, Otsego	52 min
Jul 18, 11:25 AM EDT	Flash Flood Warning	APX	Grand Traverse	57 min
Jul 18, 12:15 PM EDT	Severe Thunderstorm Warning	APX	Alpena	30 min
Jul 18, 12:18 PM EDT	Special Marine Warning	APX		57 min
Jul 18, 12:30 PM EDT	Severe Thunderstorm Warning	APX	Alcona, Oscoda	60 min
Jul 18, 1:09 PM EDT	Special Marine Warning	APX		96 min
Jul 18, 1:18 PM EDT	Severe Thunderstorm Warning	APX	Alcona	42 min
Jul 18, 4:18 PM EDT	Flash Flood Warning	APX	Cheboygan, Emmet	107 min
Jul 18, 4:31 PM EDT	Special Marine Warning	APX		29 min
Jul 18, 4:31 PM EDT	Severe Thunderstorm Warning	APX	Charlevoix, Emmet	44 min
Jul 18, 4:34 PM EDT	Special Marine Warning	APX		56 min
Jul 18, 4:35 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Presque Isle	40 min
Jul 18, 4:49 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan	41 min
Jul 18, 5:04 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Presque Isle	56 min
Jul 18, 5:12 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Presque Isle	48 min
Jul 18, 5:20 PM EDT	Special Marine Warning	APX		85 min
Jul 18, 6:02 PM EDT	Special Marine Warning	APX		43 min
Jul 18, 6:04 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Presque Isle	56 min
Jul 18, 6:46 PM EDT	Special Marine Warning	APX		79 min

Nearby

Tornado Warnings in Michigan, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.