Storm Prediction Center Severe Thunderstorm Watch 75
7 min read
3 months ago
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 75
NWS Storm Prediction Center Norman OK
510 PM EDT Sun Mar 30 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Lower Michigan
Northwest Ohio
Lake Erie
Lake Huron
* Effective this Sunday afternoon and evening from 510 PM until
1000 PM EDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1 inch in diameter possible
A tornado or two possible
SUMMARY...A well-developed squall line will move quickly
northeastward from Indiana into Lower Michigan and northwest Ohio
through this evening, with a continued threat for damaging winds of
60-75 mph, isolated large hail near 1 inch diameter, and possibly a
tornado or two with embedded circulations.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 25 miles northeast of
Saginaw MI to 50 miles southwest of Findlay OH. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 70...WW 71...WW 72...WW
73...WW 74...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 65 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
23050.
...Thompson
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 75
NWS Storm Prediction Center Norman OK
510 PM EDT Sun Mar 30 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Lower Michigan
Northwest Ohio
Lake Erie
Lake Huron
* Effective this Sunday afternoon and evening from 510 PM until
1000 PM EDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1 inch in diameter possible
A tornado or two possible
SUMMARY...A well-developed squall line will move quickly
northeastward from Indiana into Lower Michigan and northwest Ohio
through this evening, with a continued threat for damaging winds of
60-75 mph, isolated large hail near 1 inch diameter, and possibly a
tornado or two with embedded circulations.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 25 miles northeast of
Saginaw MI to 50 miles southwest of Findlay OH. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 70...WW 71...WW 72...WW
73...WW 74...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 65 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
23050.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 75 SEVERE TSTM MI OH LE LH 302110Z - 310200Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
25NE MBS/SAGINAW MI/ - 50SW FDY/FINDLAY OH/
..AVIATION COORDS.. 50NM E/W /22NE MBS - 19NW ROD/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 23050.
LAT...LON 43788262 40508330 40508539 43788483
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 75 Status Report Messages:
STATUS REPORT #2 ON WW 75
VALID 302250Z - 302340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NW MIE TO
25 W TOL TO 15 E JXN TO 50 NE MKG.
..WEINMAN..03/30/25
ATTN...WFO...DTX...IWX...ILN...CLE...
&&
STATUS REPORT FOR WS 75
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC017-049-063-087-091-093-099-111-115-125-145-147-151-155-157-
161-163-302340-
MI
. MICHIGAN COUNTIES INCLUDED ARE
BAY GENESEE HURON
LAPEER LENAWEE LIVINGSTON
MACOMB MIDLAND MONROE
OAKLAND SAGINAW ST. CLAIR
SANILAC SHIAWASSEE TUSCOLA
WASHTENAW WAYNE
$$
OHC003-011-037-039-043-051-063-065-069-091-095-107-123-125-137-
143-147-149-161-173-175-302340-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN AUGLAIZE DARKE
DEFIANCE ERIE FULTON
HANCOCK HARDIN HENRY
LOGAN LUCAS MERCER
OTTAWA PAULDING PUTNAM
SANDUSKY SENECA SHELBY
VAN WERT WOOD WYANDOT
$$
LCZ422-423-460-LEZ142-143-144-162-163-164-444-LHZ421-422-441-442-
443-462-463-464-302340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ST. CLAIR RIVER
DETROIT RIVER
LAKE ST. CLAIR OPEN LAKE (U.S. PORTION)
MAUMEE BAY TO RENO BEACH OH
RENO BEACH TO THE ISLANDS OH
THE ISLANDS TO VERMILION OH
DETROIT RIVER LT. TO MAUMEE BAY OH TO RENO BEACH OH BEYOND 5NM
OFFSHORELINE TO US-CANADIAN BORDER
RENO BEACH TO THE ISLANDS OH BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
THE ISLANDS TO VERMILION OH BEYOND 5 NM OFF SHORELINE TO
US-CANADIAN BORDER
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI
PORT AUSTIN TO HARBOR BEACH MI
HARBOR BEACH TO PORT SANILAC MI
PORT SANILAC TO PORT HURON MI
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH 5NM OFF SHORE TO THE
US/CANADIAN BORDER
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC 5NM OFF SHORE TO
US/CANADIAN BORDER
LAKE HURON FROM PORT SANILAC TO PORT HURON 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 75
VALID 302140Z - 302240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..WEINMAN..03/30/25
ATTN...WFO...DTX...IWX...ILN...CLE...
&&
STATUS REPORT FOR WS 75
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC017-049-059-063-087-091-093-099-111-115-125-145-147-151-155-
157-161-163-302240-
MI
. MICHIGAN COUNTIES INCLUDED ARE
BAY GENESEE HILLSDALE
HURON LAPEER LENAWEE
LIVINGSTON MACOMB MIDLAND
MONROE OAKLAND SAGINAW
ST. CLAIR SANILAC SHIAWASSEE
TUSCOLA WASHTENAW WAYNE
$$
OHC003-011-037-039-043-051-063-065-069-091-095-107-123-125-137-
143-147-149-161-171-173-175-302240-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN AUGLAIZE DARKE
DEFIANCE ERIE FULTON
HANCOCK HARDIN HENRY
LOGAN LUCAS MERCER
OTTAWA PAULDING PUTNAM
SANDUSKY SENECA SHELBY
VAN WERT WILLIAMS WOOD
WYANDOT
$$
LCZ422-423-460-LEZ142-143-144-162-163-164-444-LHZ421-422-441-442-
443-462-463-464-302240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ST. CLAIR RIVER
DETROIT RIVER
LAKE ST. CLAIR OPEN LAKE (U.S. PORTION)
MAUMEE BAY TO RENO BEACH OH
RENO BEACH TO THE ISLANDS OH
THE ISLANDS TO VERMILION OH
DETROIT RIVER LT. TO MAUMEE BAY OH TO RENO BEACH OH BEYOND 5NM
OFFSHORELINE TO US-CANADIAN BORDER
RENO BEACH TO THE ISLANDS OH BEYOND 5NM OFF SHORELINE TO
US-CANADIAN BORDER
THE ISLANDS TO VERMILION OH BEYOND 5 NM OFF SHORELINE TO
US-CANADIAN BORDER
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI
PORT AUSTIN TO HARBOR BEACH MI
HARBOR BEACH TO PORT SANILAC MI
PORT SANILAC TO PORT HURON MI
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH 5NM OFF SHORE TO THE
US/CANADIAN BORDER
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC 5NM OFF SHORE TO
US/CANADIAN BORDER
LAKE HURON FROM PORT SANILAC TO PORT HURON 5NM OFF SHORE TO
US/CANADIAN BORDER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
Wind
Probability of 10 or more severe wind events
High (70%)
Probability of 1 or more wind events > 65 knots
Mod (40%)
Hail
Probability of 10 or more severe hail events
Mod (30%)
Probability of 1 or more hailstones > 2 inches
Low (10%)
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.
