Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Gaylord, MI

June 18, 2012Chippewa County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 18, 2012, 4:10 PM EDT for Chippewa County, Michigan. It was in force for 50 min. 9 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: Jun 18, 2012, 4:10 PM EDT (20:10 UTC)
Expired: Jun 18, 2012, 5:00 PM EDT
In force: 50 min
Issued by: NWS Gaylord, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Chippewa County, MI

The radar

The NCL Michigan radar (KAPX), 155 km from the middle of the area, began a volume at 20:09 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
Jun 18, 4:21 PM EDT	HAIL 1	Rudyard, MI	DIME TO QUARTER SIZE AT 18896 S MACKINAC TRAIL.
Jun 18, 4:21 PM EDT	HAIL 1.75	Rudyard, MI	AT LEAST GOLFBALL SIZE AT 11155 W MAIN ST.
Jun 18, 4:29 PM EDT	HAIL 0.75	Rudyard, MI	11312 WEST MAIN ST.
Jun 18, 4:33 PM EDT	HAIL 0.88	Kincheloe, MI	CIU CHIPPEWA COUNTY INTL AIRPORT
Jun 18, 4:37 PM EDT	HAIL 0.7	Kinross, MI
Jun 18, 4:38 PM EDT	HAIL 0.25	Kincheloe, MI	PEA SIZE HAIL FELL FROM 434 TO 438 PM.
Jun 18, 4:38 PM EDT	HAIL 0.25	Kinross, MI
Jun 18, 4:42 PM EDT	HAIL 0.7	6 E Kinross, MI	AT MIDPOINT MARATHON 11W M 80. TIME ESTIMATED FROM RADAR.
Jun 18, 4:42 PM EDT	HAIL 0.7	Kinross, MI	AT MIDPOINT MARATHON 11W M 80. TIME ESTIMATED FROM RADAR.

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, 8.2 hours before the alert went out and 207 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1609 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 164 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.

387 
WUUS53 KAPX 182010
SVRAPX
MIC033-182100-
/O.NEW.KAPX.SV.W.0013.120618T2010Z-120618T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
410 PM EDT MON JUN 18 2012

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CHIPPEWA COUNTY IN EASTERN UPPER MICHIGAN...

* UNTIL 500 PM EDT

* AT 405 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 5 MILES EAST OF FIBRE...OR 24 MILES NORTH OF ST.
  IGNACE...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RACO...RUDYARD...BRIMLEY...KINROSS...BRIMLEY STATE PARK...DAFTER...
  KELDEN...DONALDSON...BARBEAU...MUNUSCONG...KINCHELOE...MCCARRON AND
  SUGAR ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4642 8418 4639 8413 4634 8411 4628 8411
      4625 8409 4621 8415 4620 8417 4623 8419
      4619 8425 4615 8450 4616 8511 4624 8511
      4625 8518 4629 8521 4652 8412
TIME...MOT...LOC 2010Z 250DEG 41KT 4623 8469
WIND...HAIL <50MPH 1.00IN

$$



JZ

4 follow-up statements

514 
WWUS34 KAPX 182027
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
427 PM EDT MON JUN 18 2012

MIC033-182100-
/O.CON.KAPX.SV.W.0013.000000T0000Z-120618T2100Z/
CHIPPEWA MI-
427 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
CHIPPEWA COUNTY UNTIL 500 PM EDT...

AT 423 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL.  THIS 
STORM WAS LOCATED NEAR RUDYARD...OR 19 MILES SOUTH SOUTHWEST OF 
SAULT STE. MARIE...MOVING EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BARBEAU...DONALDSON AND KELDEN AROUND 440 PM EDT.
  MUNUSCONG AROUND 450 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4642 8418 4639 8413 4634 8411 4630 8412
      4625 8409 4620 8416 4623 8419 4619 8425
      4615 8448 4616 8511 4624 8511 4633 8504
      4649 8414
TIME...MOT...LOC 2026Z 256DEG 34KT 4625 8450
WIND...HAIL <50MPH 1.75IN

$$



JZ

629 
WWUS34 KAPX 182038
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
438 PM EDT MON JUN 18 2012

MIC033-182100-
/O.CON.KAPX.SV.W.0013.000000T0000Z-120618T2100Z/
CHIPPEWA MI-
438 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
CHIPPEWA COUNTY UNTIL 500 PM EDT...

AT 433 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL.  THIS
STORM WAS LOCATED NEAR KINROSS...OR 16 MILES SOUTH OF SAULT STE.
MARIE...MOVING EAST AT 35 MPH.

NUMEROUS REPORTS OF DIME TO GOLFBALL SIZED HAIL HAVE BEEN RECEIVED 
FROM THE RUDYARD AND KINROSS AREA.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BARBEAU AROUND 445 PM EDT.
  MUNUSCONG AROUND 450 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4649 8414 4642 8418 4639 8413 4634 8411
      4630 8412 4625 8409 4620 8416 4623 8419
      4619 8425 4615 8446 4616 8504 4624 8502
      4637 8484
TIME...MOT...LOC 2037Z 258DEG 32KT 4627 8436
WIND...HAIL <50MPH 1.75IN

$$



JZ

973 
WWUS34 KAPX 182051
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
451 PM EDT MON JUN 18 2012

MIC033-182100-
/O.CON.KAPX.SV.W.0013.000000T0000Z-120618T2100Z/
CHIPPEWA MI-
451 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
CHIPPEWA COUNTY UNTIL 500 PM EDT...

AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR BARBEAU...OR 17 MILES SOUTH OF SAULT STE.
MARIE...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  SOUTHERN SUGAR ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4642 8418 4639 8413 4634 8411 4630 8412
      4625 8409 4620 8416 4623 8419 4619 8425
      4615 8444 4616 8496 4623 8483 4637 8466
      4649 8415
TIME...MOT...LOC 2051Z 258DEG 32KT 4626 8421
WIND...HAIL <50MPH 1.00IN

$$



JZ

715 
WWUS34 KAPX 182101
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
501 PM EDT MON JUN 18 2012

MIC033-182110-
/O.EXP.KAPX.SV.W.0013.000000T0000Z-120618T2100Z/
CHIPPEWA MI-
501 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHIPPEWA COUNTY HAS
EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF 
THE WARNED AREA. HOWEVER...THUNDERSTORMS WILL CONTINUE ACROSS 
EASTERN UPPER MICHIGAN FOR THE NEXT SEVERAL HOURS...WITH MORE SEVERE 
STORMS POSSIBLE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN GAYLORD.

LAT...LON 4642 8418 4639 8413 4634 8411 4630 8412
      4625 8409 4620 8416 4623 8419 4619 8425
      4615 8444 4616 8496 4623 8483 4637 8466
      4649 8415
TIME...MOT...LOC 2100Z 258DEG 32KT 4627 8410
WIND...HAIL <50MPH <.50IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 10:04 PM EDT	Small Craft Advisory	APX		25 hr
Jun 18, 5:48 AM EDT	Special Marine Warning	APX		117 min
Jun 18, 9:33 AM EDT	Special Marine Warning	APX		72 min
Jun 18, 2:59 PM EDT	Special Marine Warning	APX		46 min
Jun 18, 4:24 PM EDT	Special Marine Warning	APX		81 min
Jun 18, 5:46 PM EDT	Special Marine Warning	APX		119 min
Jun 18, 6:05 PM EDT	Special Marine Warning	APX		105 min
Jun 18, 6:28 PM EDT	Special Marine Warning	APX		2 hr
Jun 18, 6:44 PM EDT	Special Marine Warning	APX		91 min
Jun 18, 6:47 PM EDT	Severe Thunderstorm Warning	APX	Antrim, Charlevoix, Emmet	58 min
Jun 18, 7:13 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Emmet	29 min
Jun 18, 7:40 PM EDT	Severe Thunderstorm Warning	APX	Benzie, Grand Traverse, Leelanau	50 min
Jun 18, 7:42 PM EDT	Flash Flood Warning	APX	Charlevoix	2 hr
Jun 18, 7:56 PM EDT	Severe Thunderstorm Warning	APX	Antrim, Kalkaska	38 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2012 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.