Alert archive / Michigan / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 13, NWS Gaylord, MI

July 20, 2019Leelanau County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 20, 2019, 2:16 PM EDT for Leelanau County, Michigan. It was in force for 29 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 20, 2019, 2:16 PM EDT (18:16 UTC)
Expired
Jul 20, 2019, 2:45 PM EDT
In force
29 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Leelanau County, MI

The radar

The NCL Michigan radar (KAPX), 86 km from the middle of the area, began a volume at 18:16 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.

What was reported inside it

TimeReportWhereRemark
Jul 20, 2:35 PM EDTTSTM WND DMG1 Nw Cedar, MITREES ACROSS ROAD.
Jul 20, 2:35 PM EDTTSTM WND DMG1 Se Burdickville, MITREES DOWN ON ROAD.
Jul 20, 2:52 PM EDTTSTM WND DMG1 Ne Suttons Bay, MITREE DOWN BLOCKING M-22 NORTH OF SUTTONS BAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.3 hours before the alert went out and 190 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 2019-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2357 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 2019-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 square meters per square second.193958Sfc1 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
2357 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

303 
WUUS53 KAPX 201816
SVRAPX
MIC089-201845-
/O.NEW.KAPX.SV.W.0013.190720T1816Z-190720T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
216 PM EDT Sat Jul 20 2019

The National Weather Service in Gaylord has issued a

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

* Until 245 PM EDT.

* At 215 PM EDT, severe thunderstorms were located along a line
  extending from 13 miles northwest of Leland to near Empire, moving
  east at 35 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Traverse City, Leland, Empire, Grand Traverse Light, Bingham, Glen
  Arbor, Suttons Bay, Northport, Cedar, Greilickville, Lake Leelanau,
  Burdickville, Maple City, Glen Haven, Omena, Peshawbestown,
  Leelanau State Park, Fouch and Good Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4478 8613 4481 8612 4500 8595 4498 8584
      4508 8578 4511 8573 4514 8571 4522 8561
      4525 8555 4501 8555 4477 8564
TIME...MOT...LOC 1815Z 282DEG 32KT 4517 8593 4484 8610 

HAIL...0.88IN
WIND...60MPH
 
$$

JPB
1 follow-up statement
861 
WWUS53 KAPX 201844
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
244 PM EDT Sat Jul 20 2019

MIC089-201853-
/O.EXP.KAPX.SV.W.0013.000000T0000Z-190720T1845Z/
Leelanau MI-
244 PM EDT Sat Jul 20 2019

...THE SEVERE THUNDERSTORM WARNING FOR LEELANAU COUNTY WILL EXPIRE AT
245 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
northern Michigan.

Remember, a Severe Thunderstorm Warning still remains in effect for
southern Leelanau County until 315 PM EDT.

LAT...LON 4478 8613 4481 8612 4500 8595 4498 8584
      4508 8578 4511 8573 4514 8571 4522 8561
      4525 8555 4501 8555 4477 8564
TIME...MOT...LOC 1843Z 270DEG 32KT 4512 8562 4479 8579 

$$

JPB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 9:03 PM EDTHeat AdvisoryAPXArenac, Gladwin, Iosco, Ogemaw16 hr
Jul 19, 11:15 PM EDTSpecial Marine WarningAPX90 min
Jul 19, 11:40 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau, Manistee, Wexford80 min
Jul 20, 12:12 AM EDTCoastal Flood AdvisoryAPXAntrim, Benzie, Charlevoix, Emmet, Grand Traverse, Leelanau and 1 more5 hr
Jul 20, 12:49 AM EDTSpecial Marine WarningAPX86 min
Jul 20, 1:06 AM EDTSevere Thunderstorm WarningAPXKalkaska, Missaukee39 min
Jul 20, 11:43 AM EDTSevere Thunderstorm WarningAPXManistee, Wexford24 min
Jul 20, 12:03 PM EDTFlash Flood WarningAPXManistee3 hr
Jul 20, 1:35 PM EDTSpecial Marine WarningAPX85 min
Jul 20, 1:52 PM EDTSevere Thunderstorm WarningAPXManistee53 min
Jul 20, 1:59 PM EDTSpecial Marine WarningAPX46 min
Jul 20, 2:28 PM EDTSpecial Marine WarningAPX32 min
Jul 20, 2:35 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau40 min
Jul 20, 2:49 PM EDTFlash Flood WarningAPXManistee3 hr
Jul 20, 4:31 PM EDTSevere Thunderstorm WarningAPXAlcona, Iosco, Ogemaw44 min
Jul 20, 4:53 PM EDTSpecial Marine WarningAPX97 min
Jul 20, 5:45 PM EDTAreal Flood WarningAPXManistee18 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.