Alert archive / Michigan / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 38, NWS Detroit, MI

June 26, 20204 counties in Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 26, 2020, 11:09 PM EDT for 4 counties in Michigan. It was in force for 66 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
Jun 26, 2020, 11:09 PM EDT (03:09 UTC)
Expired
Jun 27, 2020, 12:15 AM EDT
In force
66 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Tornado
Possible
Hail
0.88 in
Wind
60.0 mph

Counties Lenawee County, MI, Monroe County, MI, Washtenaw County, MI, Wayne County, MI

The radar

The Detroit radar (KDTX), 70 km from the middle of the area, began a volume at 03:11 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 26, 7:57 PM EDTSevere Thunderstorm WatchSPC7 hr

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 26, 9:13 PM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, Jun 26, 9:13 PM EDT, 1 hour 56 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jun 26, 8:30 PM EDT, 2 hours 39 minutes before
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
830 PM EDT Fri Jun 26 2020

MIZ047>049-053>055-060>063-068>070-075-076-082-083-271945-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
830 PM EDT Fri Jun 26 2020

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Tonight

Severe Thunderstorm Watch 307 is in effect generally along and south
of the M-59 corridor until 5 AM. There is an Enhanced Risk of severe
weather south of I-96 and west of US-23 with a Slight Risk for the
rest of southeast Michigan. Severe thunderstorms with bowing
segments capable of producing damaging winds of 60 to 65 mph will be
the primary threat. Isolated hail up to 1 inch and a tornado will
also be possible as storms move west to east at 45 mph. The main
time window for severe storms is between 10 PM and 3 AM.

Multiple rounds of heavy rain could also bring rainfall totals of 1
to 2 inches in localized areas along and south of the I-69 corridor.
This would lead to possible urban and small stream flooding concerns.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Dispatchers, please notify your emergency manager immediately.
Spotter activation has occurred.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-271945-
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-
830 PM EDT Fri Jun 26 2020

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

.DAY ONE...Tonight

Severe Thunderstorm Watch 307 is in effect generally south of Port
Huron through the Monroe county portion of Lake Erie until 5 AM.
Damaging wind around 50 knots is the main hazard as storms track
east at 45 knots.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There is a chance of thunderstorms across western Lake Erie on
Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation has occurred.

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

TF/BT

In the hours before

Special weather statement, Jun 26, 9:34 PM EDT, 1 hour 35 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jun 26, 10:34 PM EDT, 35 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
1034 PM EDT Fri Jun 26 2020

MIZ068-270345-
Livingston-
1034 PM EDT Fri Jun 26 2020

...A STRONG THUNDERSTORM WILL AFFECT LIVINGSTON COUNTY...

At 1033 PM EDT, a strong thunderstorm was located over Pinckney,
moving east at 20 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

This storm will be near...
  Hamburg around 1050 PM EDT.
  Brighton and Whitmore Lake around 1100 PM EDT.
  Hartland around 1110 PM EDT.
  South Lyon around 1115 PM EDT.

Other locations impacted by this storm include Parkers Corners,
Lakeland, Plainfield, Island Lake State Recreation Area, Chilson,
Unadilla, Pinckney State Recreation Area, Conway Township, Hell and
Tyrone Township.

If outdoors, consider seeking shelter inside a building.

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

A Severe Thunderstorm Watch remains in effect until 500 AM EDT for
southeastern Michigan.

LAT...LON 4278 8369 4243 8366 4243 8367 4242 8414
      4277 8416
TIME...MOT...LOC 0233Z 249DEG 19KT 4249 8395

KK
Special weather statement, Jun 26, 10:50 PM EDT, 19 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 9:34 PM EDTSpecial Weather StatementDTXLivingston, Washtenaw71 min
Jun 26, 10:22 PM EDTSevere Thunderstorm WarningDTXWashtenaw38 min
Jun 26, 10:34 PM EDTSpecial Weather StatementDTXLivingston71 min
Jun 26, 10:50 PM EDTSpecial Weather StatementDTXOakland, Wayne70 min
Jun 26, 10:57 PM EDTAreal Flood AdvisoryDTXLivingston, Macomb, Oakland, Washtenaw, Wayne4 hr
Jun 26, 11:07 PM EDTSevere Thunderstorm WarningDTXLivingston, Washtenaw53 min
Jun 26, 11:39 PM EDTSevere Thunderstorm WarningDTXMacomb, Oakland, Wayne59 min
Jun 26, 11:45 PM EDTSpecial Marine WarningDTX55 min
Jun 27, 12:15 AM EDTSpecial Weather StatementDTXMonroe15 min
Jun 27, 5:47 PM EDTSpecial Weather StatementDTXLenawee, Monroe, Wayne58 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2020Every severe thunderstorm warning in 2020

Sources

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