Alert archive / Michigan / Special Weather Statements in 2021

Special Weather Statement, NWS Detroit, MI

June 26, 2021Saginaw County, Michigan

NWS Detroit, MI issued this special weather statement at Jun 26, 2021, 9:02 PM EDT for Saginaw County, Michigan. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 26, 2021, 9:02 PM EDT (01:02 UTC)
Expired: Jun 26, 2021, 10:00 PM EDT
In force: 58 min
Issued by: NWS Detroit, MI

County Saginaw County, MI

The radar

The Detroit radar (KDTX), 85 km from the middle of the area, began a volume at 01:05 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.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 1.0 hours before the alert went out and 85 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: 651 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 309 m²/s²
0-3 km storm-relative helicity: 359 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.9

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 weather statement went out at Jun 26, 7:16 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jun 26, 7:16 PM EDT, 1 hour 46 minutes before

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  <meta charset="utf-8">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jun 26, 3:22 PM EDT, 5 hours 40 minutes before

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
322 PM EDT Sat Jun 26 2021

MIZ047>049-053>055-060>063-068>070-075-076-082-083-271930-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
322 PM EDT Sat Jun 26 2021

This hazardous weather outlook is for portions of southeast
Michigan.

.DAY ONE...This Afternoon and Tonight

A Flood Watch is in effect through tonight. Refer to the latest
urgent weather message for additional information.

There is a Slight Risk of severe weather today for most of Southeast
Michigan with a Marginal Risk south of a line from about Port Huron
to Adrian. Damaging wind gusts to 60 mph will be the primary threat
with these storms. Secondary threat of a tornado or two with best
potential for these from Flint north across the Saginaw Valley and
western Thumb. Storm motion will be northeast around 45 mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Active stretch of weather continues on Sunday with a Marginal Risk
of severe storms. The main threat for thunderstorm activity will be
damaging wind gusts to 60 mph and torrential rainfall which could
lead to localized flooding concerns.

.SPOTTER INFORMATION STATEMENT...

Dispatchers... Spotter activation may be needed this evening.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-271930-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
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 beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
322 PM EDT Sat Jun 26 2021

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...This Afternoon and Tonight

A Flood Watch is in effect through tonight. Refer to the latest
urgent weather message for additional information.

There is a Slight Risk of severe weather today for most of Southeast
Michigan with a Marginal Risk south of a line from about Port Huron
to Adrian. Damaging wind gusts to 60 mph will be the primary threat
with these storms. Secondary threat of a tornado or two with best
potential for these from Flint north across the Saginaw Valley and
western Thumb. Storm motion will be northeast around 40 kts.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Active stretch of weather continues on Sunday with a Marginal Risk
of severe storms. The main threat for thunderstorm activity will be
damaging wind gusts to 60 mph and torrential rainfall which could
lead to localized flooding concerns.

.SPOTTER INFORMATION STATEMENT...

Dispatchers... Spotter activation may be needed this evening.

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

KDK

In the hours before

Special weather statement, Jun 26, 3:05 PM EDT, 5 hours 57 minutes before

Special Weather Statement
National Weather Service Detroit/Pontiac MI
305 PM EDT Sat Jun 26 2021

MIZ055-261945-
Sanilac MI-
305 PM EDT Sat Jun 26 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN SANILAC COUNTY UNTIL 345
PM EDT...

At 304 PM EDT, Doppler radar was tracking a strong thunderstorm near
Sandusky, moving northeast at 30 mph.

Wind gusts up to 50 mph will be possible with this storm.

This strong thunderstorm will be near...
  Sandusky around 310 PM EDT.
  Deckerville around 320 PM EDT.
  Carsonville around 325 PM EDT.
  Forestville around 345 PM EDT.

Other locations impacted by this storm include Palms, McGregor,
Forester, Snover, Juhl, Elmer and Richmondville.

People attending Sanilac County Courthouse should prepare to seek
safe shelter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4335 8299 4350 8305 4369 8263 4370 8260
      4369 8260 4362 8255 4344 8252
TIME...MOT...LOC 1904Z 243DEG 27KT 4345 8291

SC

Special weather statement, Jun 26, 3:44 PM EDT, 5 hours 18 minutes before

Special Weather Statement
National Weather Service Detroit/Pontiac MI
344 PM EDT Sat Jun 26 2021

MIZ047-048-053-262030-
Bay-Saginaw-Midland-
344 PM EDT Sat Jun 26 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN BAY...NORTH CENTRAL
SAGINAW AND SOUTHEASTERN MIDLAND COUNTIES...

At 344 PM EDT, a strong thunderstorm was located over Freeland,
moving northeast at 40 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

This storm will be near...
  Auburn around 355 PM EDT.
  Bay City, Kawkawlin and Essexville around 405 PM EDT.

Other locations impacted by this storm include Poseyville, Laporte
and Bay City State Recreation Area.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4374 8391 4369 8387 4362 8368 4364 8365
      4362 8363 4360 8365 4359 8369 4360 8370
      4359 8370 4343 8419 4357 8428
TIME...MOT...LOC 1944Z 239DEG 36KT 4354 8415

KDK

Special weather statement, Jun 26, 7:55 PM EDT, 1 hour 7 minutes before

Special Weather Statement
National Weather Service Detroit/Pontiac MI
755 PM EDT Sat Jun 26 2021

MIZ061-062-069-270100-
Genesee MI-Lapeer MI-Oakland MI-
755 PM EDT Sat Jun 26 2021

...SPECIAL WEATHER STATEMENT...

At 754 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Otter Lake to near Ortonville to near Hartland.
Movement was east at 25 mph.

Winds in excess of 30 mph will be possible with these storms.

Strong thunderstorms will be near...
  Columbiaville, Hadley and Otter Lake around 800 PM EDT.
  Metamora around 810 PM EDT.
  North Branch around 820 PM EDT.
  Dryden and Clarkston around 825 PM EDT.
  Imlay City and Almont around 835 PM EDT.
  Pontiac and Brown City around 840 PM EDT.
  Oxford around 845 PM EDT.
  Rochester around 900 PM EDT.

Other locations impacted by these storms include Keego Harbor,
Goodland Township, Waterford, Orchard Lake, Holly State Recreation
Area, Commerce, Rose Center, Auburn Hills, Lake Angelus and Burnside.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Tornado Watch remains in effect until 1000 PM EDT for southeastern
Michigan.

LAT...LON 4289 8310 4260 8309 4252 8367 4287 8369
      4322 8352 4324 8335 4326 8335 4329 8312
      4328 8300 4289 8299
TIME...MOT...LOC 2354Z 256DEG 23KT 4321 8342 4289 8340 4268 8367

Mann

Local storm report, Jun 26, 8:25 PM EDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
825 PM EDT SAT JUN 26 2021

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

0554 PM     TSTM WND DMG     PORT AUSTIN             44.04N 83.00W
06/26/2021                   HURON              MI   BROADCAST MEDIA

            DAMAGE TO SEVERAL HOMES AND TREES NEAR THE INTERSECTION
            OF GRINDSTONE RD AND INDEPENDENCE AVE. TIME ESTIMATED VIA
            RADAR.

0615 PM     TSTM WND DMG     2 NW CHESANING          43.21N 84.15W
06/26/2021                   SAGINAW            MI   BROADCAST MEDIA

            SEVERAL LARGE LIMBS AND A MATURE TREE DOWNED NEAR
            FRANDSCHE AND HARRIS RDS. TIME ESTIMATED VIA RADAR.

&&

TF

Special weather statement, Jun 26, 9:02 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Detroit/Pontiac MI
902 PM EDT Sat Jun 26 2021

MIZ053-270200-
Saginaw MI-
902 PM EDT Sat Jun 26 2021

...Heavy downpours will persist for the next couple of hours...

At 859 PM EDT, Doppler radar was tracking intense showers with
embedded thunderstorms along a line extending from 6 miles northeast
of St. Charles to near Marion Springs to 11 miles west of St. Johns.
Movement was northeast at 40 mph.

Strong thunderstorms will be near...
  Oakley and Bridgeport around 910 PM EDT.
  Saginaw, Chesaning and Zilwaukee around 915 PM EDT.
  Marion Springs around 940 PM EDT.
  Frankenmuth around 950 PM EDT.
  St. Charles around 955 PM EDT.

Other locations impacted by these storms include Brant, Nelson,
Carrollton, Garfield, Arthur, Fenmore, Burt, Gera, Buena Vista
Township and Layton Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these showers and storms,
and may lead to localized flooding. Do not drive your vehicle
through flooded roadways.

&&

A Tornado Watch remains in effect until 1000 PM EDT for southeastern
Michigan.

LAT...LON 4348 8423 4348 8417 4352 8417 4353 8415
      4351 8382 4348 8382 4348 8371 4324 8370
      4322 8375 4322 8393 4315 8393 4315 8394
      4313 8408 4313 8437 4340 8437
TIME...MOT...LOC 0059Z 240DEG 34KT 4334 8404 4318 8434 4302 8477

Mann

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 11:48 PM EDT	River Flood Warning	DTX	Saginaw, Shiawassee	15 hr
Jun 27, 4:46 PM EDT	Special Marine Warning	DTX		44 min

Nearby

Special Weather Statements in Michigan, 2021 Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.