Alert archive / Michigan / Special Marine Warnings in 2004

Special Marine Warning 21, NWS Detroit, MI

May 21, 2004

NWS Detroit, MI issued this special marine warning at May 21, 2004, 12:59 AM EDT. It was in force for 91 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 21, 2004, 12:59 AM EDT (04:59 UTC)
Expired: May 21, 2004, 2:30 AM EDT
In force: 91 min
Issued by: NWS Detroit, MI
Area: Whole counties

What forecasters said that day

The local office's own words before this special marine warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this special marine warning went out at May 20, 8:25 PM EDT, 4 hours 34 minutes earlier.

Area forecast discussion, May 20, 8:25 PM EDT, 4 hours 34 minutes before

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Hazardous weather outlook, May 20, 10:50 PM EDT, 2 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK FOR SOUTHEAST MICHIGAN
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1050 PM EDT THU MAY 20 2004

MIZ047>049-053>055-211000-
BAY-HURON-MIDLAND-SAGINAW-SANILAC-TUSCOLA-
1050 PM EDT THU MAY 20 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR TRI-CITIES AND THUMB REGION.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS ANTICIPATED.

.DAY TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY AFTERNOON THROUGH SUNDAY
NIGHT. THERE IS A SLIGHT CHANCE OF SEVERE WEATHER FRIDAY...SATURDAY
AND SUNDAY. SOME OF THESE STORMS WILL PRODUCE VERY HEAVY RAINFALL.
THIS MAY LEAD TO LOCALIZED FLOODING. THE WARM FRONT WILL LIFT NORTH
ACROSS THE REGION ON FRIDAY...THEN LINGER OVER SOUTHERN MICHIGAN
THROUGH THE REST OF THE WEEKEND. THIS WILL RESULT IN A PROLONGED
PERIOD OF SCATTERED THUNDERSTORMS ACROSS THE REGION.

THERE IS ALSO A CHANCE OF THUNDERSTORMS ON TUESDAY AS A COLD FRONT
MOVES THROUGH THE AREA.

.SPOTTER INFORMATION STATEMENT...

DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY.
SPOTTER ACTIVATION IS NOT ANTICIPATED.

MIZ060>063-068>070-075-076-082-083-211000-
GENESEE-LAPEER-LENAWEE-LIVINGSTON-MACOMB-MONROE-OAKLAND-SHIAWASSEE-
ST. CLAIR-WASHTENAW-WAYNE-
1050 PM EDT THU MAY 20 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN.

.DAY ONE...TONIGHT

SEVERE THUNDERSTORM WATCH NUMBER 226 IN EFFECT UNTIL 3 AM.
SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP OVERNIGHT.
SOME OF THESE STORMS MAY BE SEVERE...CAPABLE OF PRODUCING WIND GUSTS
TO 70 MPH AND HAIL TO AROUND ONE INCH IN DIAMETER. THUNDERSTORMS WILL
ALSO PRODUCE VERY HEAVY RAINFALL...WHICH COULD LEAD TO LOCALIZED
FLOODING. THUNDERSTORM MOVEMENT WILL MOVE EAST AT 30 MPH.

A COLD FRONT WILL CONTINUE TO SLIDE SOUTH THROUGH THE AREA...
PROVIDING THE  FOCUSING THE THUNDERSTORM ACTIVITY.

.DAY TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY MORNING THROUGH SUNDAY
NIGHT. THERE IS A SLIGHT CHANCE OF SEVERE WEATHER FRIDAY...SATURDAY
AND SUNDAY. SOME OF THESE STORMS WILL ALSO PRODUCE VERY HEAVY
RAINFALL. THIS MAY LEAD TO LOCALIZED FLOODING. THE WARM FRONT WILL
LIFT NORTH ACROSS THE REGION ON FRIDAY...THEN LINGER OVER SOUTHERN
MICHIGAN THROUGH THE REST OF THE WEEKEND. THIS WILL RESULT IN THE
PROLONGED PERIOD OF SCATTERED THUNDERSTORMS ACROSS THE REGION.

THERE IS ALSO A CHANCE OF THUNDERSTORMS ON TUESDAY AS A COLD FRONT
MOVES THROUGH THE AREA.

.SPOTTER INFORMATION STATEMENT...

DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY.
SPOTTER ACTIVATION HAS OCCURRED.

SF

In the hours before

Local storm report, May 21, 12:38 AM EDT, 21 minutes before

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Local storm report, May 21, 12:41 AM EDT, 18 minutes before

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Local storm report, May 21, 12:44 AM EDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1244 AM EDT FRI MAY 21 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

1241 AM     FUNNEL CLOUD     2 ESE YPSILANTI         42.23N 83.58W
05/21/2004                   WASHTENAW          MI   TRAINED SPOTTER

            WALL CLOUD REPORTED AT TEXTILE AND MCKEAN.

&&

RBP

Local storm report, May 21, 12:52 AM EDT, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 11:29 PM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	91 min
May 20, 11:36 PM EDT	Severe Thunderstorm Warning	DTX	Livingston	69 min
May 21, 12:03 AM EDT	Tornado Warning	DTX	Washtenaw	57 min
May 21, 12:05 AM EDT	Special Marine Warning	DTX		55 min
May 21, 12:06 AM EDT	Severe Thunderstorm Warning	DTX	Wayne	54 min
May 21, 12:37 AM EDT	Severe Thunderstorm Warning	DTX	Lenawee	83 min
May 21, 12:39 AM EDT	Severe Thunderstorm Warning	DTX	Monroe	96 min
May 21, 12:46 AM EDT	Special Marine Warning	DTX		119 min
May 21, 12:56 AM EDT	Severe Thunderstorm Warning	DTX	Wayne	64 min
May 21, 12:58 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	77 min
May 21, 1:33 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	57 min
May 21, 1:34 PM EDT	Severe Thunderstorm Warning	DTX	Livingston	56 min
May 21, 1:36 PM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	54 min
May 21, 1:43 PM EDT	Special Marine Warning	DTX		92 min
May 21, 1:55 PM EDT	Severe Thunderstorm Warning	DTX	Monroe	65 min
May 21, 2:04 PM EDT	Severe Thunderstorm Warning	DTX	Wayne	56 min
May 21, 2:08 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	67 min
May 21, 2:12 PM EDT	Flash Flood Warning	DTX	Washtenaw, Wayne	2 hr
May 21, 2:34 PM EDT	Severe Thunderstorm Warning	DTX	Macomb	56 min
May 21, 2:49 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	56 min
May 21, 3:10 PM EDT	Special Marine Warning	DTX		65 min

Nearby

Special Marine Warnings in Michigan, 2004 Every special marine warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.