Alert archive / Michigan / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 21, NWS Gaylord, MI

September 3, 2019Leelanau County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Sep 3, 2019, 4:49 PM EDT for Leelanau County, Michigan. It was in force for 26 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
Sep 3, 2019, 4:49 PM EDT (20:49 UTC)
Expired
Sep 3, 2019, 5:15 PM EDT
In force
26 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Leelanau County, MI

The radar

The NCL Michigan radar (KAPX), 75 km from the middle of the area, began a volume at 20:49 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, 8.8 hours before the alert went out and 199 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2019-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2019-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 443 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
61 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
870 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
443 m²/s²
0-3 km storm-relative helicity
346 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

489 
WUUS53 KAPX 032049
SVRAPX
MIC089-032115-
/O.NEW.KAPX.SV.W.0021.190903T2049Z-190903T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
449 PM EDT Tue Sep 3 2019

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Southern Leelanau County in northern Michigan...

* Until 515 PM EDT.

* At 449 PM EDT, a severe thunderstorm was located near Leland,
  moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Leland, Sleeping Bear Point, Bingham, Glen Arbor, Suttons Bay,
  Northport, Cedar, Lake Leelanau, Glen Haven, Omena, Peshawbestown,
  Greilickville and Good Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4492 8611 4494 8602 4500 8595 4498 8584
      4509 8576 4513 8552 4501 8555 4503 8548
      4501 8543 4488 8544 4488 8549 4498 8547
      4499 8548 4497 8552 4480 8559
TIME...MOT...LOC 2049Z 272DEG 50KT 4500 8586 

HAIL...<.75IN
WIND...60MPH
 
$$

GILLEN
1 follow-up statement
439 
WWUS53 KAPX 032107
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
507 PM EDT Tue Sep 3 2019

MIC089-032115-
/O.CON.KAPX.SV.W.0021.000000T0000Z-190903T2115Z/
Leelanau MI-
507 PM EDT Tue Sep 3 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR EAST CENTRAL LEELANAU COUNTY...

At 507 PM EDT, a severe thunderstorm was located over Old Mission, or
8 miles northwest of Elk Rapids, moving east at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Leland, Suttons Bay, Lake Leelanau, Peshawbestown and Omena. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4509 8576 4510 8553 4508 8553 4501 8555
      4503 8548 4501 8544 4498 8547 4499 8548
      4498 8551 4492 8556 4496 8582
TIME...MOT...LOC 2107Z 272DEG 50KT 4499 8551 

HAIL...<.75IN
WIND...60MPH
 
$$

GILLEN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 4:32 AM EDTSpecial Weather StatementAPXBenzie, Grand Traverse, Manistee, Wexford43 min
Sep 3, 5:04 PM EDTSpecial Marine WarningAPX41 min
Sep 3, 5:25 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix43 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2019Every severe thunderstorm warning in 2019

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.