Alert archive / Michigan / Special Weather Statements in 2015

Special Weather Statement, NWS Gaylord, MI

July 20, 201518 counties in Michigan

NWS Gaylord, MI issued this special weather statement at Jul 20, 2015, 2:40 PM EDT for 18 counties in Michigan. It was in force for 20 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: Jul 20, 2015, 2:40 PM EDT (18:40 UTC)
Expired: Jul 20, 2015, 3:00 PM EDT
In force: 20 min
Issued by: NWS Gaylord, MI

Counties Alcona County, MI, Alpena County, MI, Antrim County, MI, Charlevoix County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Manistee County, MI, Missaukee County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Roscommon County, MI, Wexford County, MI

The radar

The NCL Michigan radar (KAPX), 64 km from the middle of the area, began a volume at 18:41 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.7 hours before the alert went out and 248 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: 1 J/kg
Mixed-layer CIN: -161 J/kg
Mixed-layer LCL: 1419 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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>

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 Gaylord, MI wrote its last area forecast discussion before this special weather statement went out at Jul 20, 12:33 PM EDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jul 20, 12:33 PM EDT, 2 hours 7 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, Jul 20, 3:53 AM EDT, 10 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GAYLORD MI
353 AM EDT MON JUL 20 2015

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-MIZ008-015>036-041-
042-211000-
STRAITS OF MACKINAC WITHIN 5NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-ST IGNACE TO FALSE DETOUR CHANNEL-
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-STURGEON POINT TO ALABASTER MI-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
POINT BETSIE TO SLEEPING BEAR POINT MI-
MANISTEE TO POINT BETSIE MI-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-CHIPPEWA-
MACKINAC-EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-
OTSEGO-MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-
OSCODA-ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-
GLADWIN-ARENAC-
353 AM EDT MON JUL 20 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN LOWER MICHIGAN...
EASTERN UPPER MICHIGAN...AND ADJACENT NEARSHORE WATERS OF LAKE
MICHIGAN...LAKE HURON AND LAKE SUPERIOR.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE POSSIBLE ACROSS ALL
OF NORTHERN MICHIGAN THIS AFTERNOON AND THIS EVENING. ALTHOUGH
WIDESPREAD SEVERE STORMS ARE NOT EXPECTED...ANY SHOWERS OR STORMS
COULD PRODUCE DAMAGING WIND GUSTS.

GUSTY WINDS AND WARM TEMPERATURES WILL LEAD TO ELEVATED FIRE
DANGER THIS AFTERNOON THROUGH EARLY EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A CHANCE FOR THUNDERSTORMS FRIDAY NIGHT AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

&&

FOR MORE INFORMATION VISIT WEATHER.GOV/GAYLORD.

In the hours before

Special weather statement, Jul 20, 2:40 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
240 PM EDT MON JUL 20 2015

MIZ008-015>036-041-042-201900-
MANISTEE-CRAWFORD-GLADWIN-MONTMORENCY-MISSAUKEE-CHARLEVOIX-MACKINAC-
ANTRIM-EMMET-OGEMAW-ALCONA-OSCODA-WEXFORD-IOSCO-ROSCOMMON-ARENAC-
OTSEGO-KALKASKA-ALPENA-CHIPPEWA-PRESQUE ISLE-BENZIE-GRAND
TRAVERSE-LEELANAU-CHEBOYGAN-
240 PM EDT MON JUL 20 2015

...GUSTY WINDS THIS AFTERNOON...

ANY SHOWERS OR THUNDERSTORMS THAT DEVELOP THIS AFTERNOON COULD
CONTAIN STRONG GUSTY WINDS OF MORE THAN 30 MPH. THE SAFEST PLACE TO
BE DURING STRONG WINDS IS INSIDE A STURDY BUILDING. SCATTERED
SHOWERS AND THUNDERSTORMS ARE EXPECTED UNTIL LATE EVENING.

LAT...LON 4418 8639 4544 8588 4545 8588 4537 8583
      4528 8572 4549 8578 4475 8555 4539 8491
      4571 8585 4585 8471 4601 8501 4609 8533
      4614 8587 4615 8586 4600 8344 4549 8392
      4504 8320 4403 8344
TIME...MOT...LOC 1834Z 240DEG 49KT 4467 8630

KJF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 3:47 AM EDT	Beach Hazards Statement	APX	Antrim, Benzie, Emmet, Leelanau, Manistee	16 hr
Jul 20, 4:00 AM EDT	Small Craft Advisory	APX		18 hr
Jul 20, 2:48 PM EDT	Special Marine Warning	APX		57 min
Jul 20, 3:13 PM EDT	Special Marine Warning	APX		62 min
Jul 20, 3:22 PM EDT	Special Marine Warning	APX		53 min
Jul 20, 4:04 PM EDT	Special Weather Statement	APX	Alcona, Alpena, Crawford, Iosco, Kalkaska, Missaukee and 4 more	56 min
Jul 20, 4:15 PM EDT	Special Marine Warning	APX		60 min
Jul 20, 5:15 PM EDT	Special Marine Warning	APX		60 min
Jul 20, 5:52 PM EDT	Special Weather Statement	APX	Arenac, Gladwin	38 min

Nearby

Special Weather Statements in Michigan, 2015 Every special weather statement in 2015

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.