Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 656
NWS Storm Prediction Center Norman OK
145 PM EDT Tue Aug 27 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Lower Michigan
Lake Michigan
* Effective this Tuesday afternoon and evening from 145 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Multiple of storms are expected to spread
east-southeastward this afternoon through early evening across
western/interior Lower Michigan, with damaging winds and some hail
possible.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 35 miles east northeast
of Manistee MI to 30 miles west of Kalamazoo MI. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 655...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.
...Guyer
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 656
NWS Storm Prediction Center Norman OK
145 PM EDT Tue Aug 27 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Lower Michigan
Lake Michigan
* Effective this Tuesday afternoon and evening from 145 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Multiple of storms are expected to spread
east-southeastward this afternoon through early evening across
western/interior Lower Michigan, with damaging winds and some hail
possible.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 35 miles east northeast
of Manistee MI to 30 miles west of Kalamazoo MI. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 655...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 656 SEVERE TSTM MI LM 271745Z - 280000Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
35ENE MBL/MANISTEE MI/ - 30W AZO/KALAMAZOO MI/
..AVIATION COORDS.. 50NM E/W /13S TVC - 15S PMM/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28025.
LAT...LON 44468438 42228496 42228731 44468681
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 656 Status Report Messages:
STATUS REPORT #3 ON WW 656
VALID 272155Z - 272240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 ESE AZO
TO 25 WNW JXN TO 20 WNW OSC.
..LYONS..08/27/24
ATTN...WFO...GRR...APX...
&&
STATUS REPORT FOR WS 656
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC069-075-272240-
MI
. MICHIGAN COUNTIES INCLUDED ARE
IOSCO JACKSON
$$
LHZ363-272240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE HURON FROM STURGEON POINT TO ALABASTER MI 5NM OFF SHORE TO
US/CANADIAN BORDER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 656
VALID 272010Z - 272140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W BEH TO
25 NE BEH TO 20 SSW GRR TO 35 NNW LAN TO 35 WSW MBS TO 25 NW MBS
TO 20 SE HTL TO 35 NNE HTL.
..JEWELL..08/27/24
ATTN...WFO...GRR...APX...
&&
STATUS REPORT FOR WS 656
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC005-011-015-025-037-045-051-057-065-067-069-075-077-117-129-
159-272140-
MI
. MICHIGAN COUNTIES INCLUDED ARE
ALLEGAN ARENAC BARRY
CALHOUN CLINTON EATON
GLADWIN GRATIOT INGHAM
IONIA IOSCO JACKSON
KALAMAZOO MONTCALM OGEMAW
VAN BUREN
$$
LHZ363-272140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAKE HURON FROM STURGEON POINT TO ALABASTER MI 5NM OFF SHORE TO
US/CANADIAN BORDER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 656
VALID 271845Z - 271940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 NE MKE TO
50 NW MKG TO 40 NNW MKG TO 35 S MBL TO 35 SSE MBL TO 35 SE MBL TO
30 E MBL TO 20 SSW TVC TO 20 NW TVC.
..JEWELL..08/27/24
ATTN...WFO...GRR...APX...
&&
STATUS REPORT FOR WS 656
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC005-015-025-035-037-039-045-055-057-067-073-077-079-081-107-
113-117-121-123-127-133-139-143-159-165-271940-
MI
. MICHIGAN COUNTIES INCLUDED ARE
ALLEGAN BARRY CALHOUN
CLARE CLINTON CRAWFORD
EATON GRAND TRAVERSE GRATIOT
IONIA ISABELLA KALAMAZOO
KALKASKA KENT MECOSTA
MISSAUKEE MONTCALM MUSKEGON
NEWAYGO OCEANA OSCEOLA
OTTAWA ROSCOMMON VAN BUREN
WEXFORD
$$
LMZ844-845-846-847-848-870-872-874-876-878-271940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ST JOSEPH TO SOUTH HAVEN MI
SOUTH HAVEN TO HOLLAND MI
HOLLAND TO GRAND HAVEN MI
GRAND HAVEN TO WHITEHALL MI
WHITEHALL TO PENTWATER MI
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5NM OFFSHORE TO MID
LAKE
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5NM OFFSHORE TO
MID LAKE
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5NM OFFSHORE TO MID
LAKE
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5NM OFFSHORE TO MID
LAKE
LAKE MICHIGAN FROM ST JOSEPH TO SOUTH HAVEN MI 5NM OFFSHORE TO
MID LAKE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (90%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
weather.gov 
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