Alert archive / Michigan / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Grand Rapids, MI

July 8, 2016Clare County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jul 8, 2016, 2:42 PM EDT for Clare County, Michigan. It was in force for 33 min. 1 report 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 8, 2016, 2:42 PM EDT (18:42 UTC)
Expired: Jul 8, 2016, 3:15 PM EDT
In force: 33 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Clare County, MI

The radar

The NCL Michigan radar (KAPX), 112 km from the middle of the area, began a volume at 18:44 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 8, 2:42 PM EDT	TSTM WND DMG	4 Nnw Loomis, MI	MULTIPLE TREES REPORTED DOWN IN SHERIDAN TWP EAST OF CLARE. TIME ESTIMATED FROM RADAR.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 8, 12:32 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.7 hours before the alert went out and 168 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: 130 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 865 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

315 
WUUS53 KGRR 081842
SVRGRR
MIC035-081915-
/O.NEW.KGRR.SV.W.0021.160708T1842Z-160708T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
242 PM EDT FRI JUL 8 2016

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CLARE COUNTY IN CENTRAL MICHIGAN...

* UNTIL 315 PM EDT

* AT 242 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CLARE...
  MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  CLARE...               FARWELL...             LAKE GEORGE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4382 8461 4382 8493 4399 8495 4403 8461
TIME...MOT...LOC 1842Z 263DEG 32KT 4390 8478 

HAIL...1.00IN
WIND...60MPH
 
$$

04

3 follow-up statements

669 
WWUS53 KGRR 081852
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
252 PM EDT FRI JUL 8 2016

MIC035-081915-
/O.CON.KGRR.SV.W.0021.000000T0000Z-160708T1915Z/
CLARE MI-
252 PM EDT FRI JUL 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHEASTERN CLARE COUNTY...

AT 251 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHEAST
OF CLARE...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
CLARE...               FARWELL...             

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4382 8461 4382 8490 4400 8481 4403 8461
TIME...MOT...LOC 1851Z 263DEG 32KT 4391 8467 

HAIL...1.00IN
WIND...60MPH
 
$$

04

061 
WWUS53 KGRR 081904
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
304 PM EDT FRI JUL 8 2016

MIC035-081915-
/O.CON.KGRR.SV.W.0021.000000T0000Z-160708T1915Z/
CLARE MI-
304 PM EDT FRI JUL 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHEASTERN CLARE COUNTY...

AT 303 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BEAVERTON...
MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
CLARE...               

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4382 8478 4401 8461 4382 8461
TIME...MOT...LOC 1903Z 263DEG 32KT 4392 8451 

HAIL...1.00IN
WIND...60MPH
 
$$

04

580 
WWUS53 KGRR 081911
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
311 PM EDT FRI JUL 8 2016

MIC035-081921-
/O.EXP.KGRR.SV.W.0021.000000T0000Z-160708T1915Z/
CLARE MI-
311 PM EDT FRI JUL 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLARE COUNTY WILL
EXPIRE AT 315 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
CENTRAL MICHIGAN.

LAT...LON 4382 8478 4401 8461 4382 8461
TIME...MOT...LOC 1909Z 263DEG 32KT 4392 8451 

$$

04

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 11:25 PM EDT	Areal Flood Advisory	GRR	Allegan, Barry, Calhoun, Eaton, Kalamazoo, Van Buren	9 hr
Jul 7, 11:56 PM EDT	Areal Flood Advisory	GRR	Jackson	9 hr
Jul 8, 2:25 AM EDT	River Flood Advisory	GRR	Jackson	12 hr
Jul 8, 2:25 AM EDT	River Flood Advisory	GRR	Jackson	37 days
Jul 8, 2:36 AM EDT	Areal Flood Warning	GRR	Jackson	12 hr
Jul 8, 3:59 AM EDT	Small Craft Advisory	GRR		42 hr
Jul 8, 4:06 AM EDT	Beach Hazards Statement	GRR	Allegan, Mason, Muskegon, Oceana, Ottawa, Van Buren	42 hr
Jul 8, 9:30 AM EDT	Special Weather Statement	GRR	Clare, Isabella, Lake, Mecosta, Newaygo, Osceola	2 hr
Jul 8, 9:34 AM EDT	Severe Thunderstorm Warning	GRR	Lake	26 min
Jul 8, 9:44 AM EDT	Severe Thunderstorm Warning	GRR	Osceola	37 min
Jul 8, 11:21 AM EDT	Special Weather Statement	GRR	Clare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more	3 hr
Jul 8, 11:31 AM EDT	Special Weather Statement	GRR	Clare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more	3 hr
Jul 8, 11:43 AM EDT	Severe Thunderstorm Warning	GRR	Newaygo	25 min
Jul 8, 12:23 PM EDT	Severe Thunderstorm Warning	GRR	Osceola	52 min
Jul 8, 12:50 PM EDT	Severe Thunderstorm Warning	GRR	Clare	40 min
Jul 8, 1:38 PM EDT	Special Marine Warning	GRR		37 min
Jul 8, 2:09 PM EDT	Special Weather Statement	GRR	Ottawa	51 min
Jul 8, 2:24 PM EDT	Special Weather Statement	GRR	Clare	51 min
Jul 8, 2:34 PM EDT	Severe Thunderstorm Warning	GRR	Ottawa	25 min
Jul 8, 2:55 PM EDT	Special Weather Statement	GRR	Kent	65 min
Jul 8, 3:50 PM EDT	Severe Thunderstorm Warning	GRR	Ionia	29 min
Jul 8, 4:33 PM EDT	Severe Thunderstorm Warning	GRR	Clinton, Ionia	42 min
Jul 8, 4:58 PM EDT	Severe Thunderstorm Warning	GRR	Ingham	47 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2016 Every 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.