Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 80, NWS Gaylord, MI

September 7, 2021Missaukee County, Roscommon County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Sep 7, 2021, 1:31 PM EDT for Missaukee County, Roscommon County, Michigan. It was in force for 29 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 7, 2021, 1:31 PM EDT (17:31 UTC)
Expired
Sep 7, 2021, 2:00 PM EDT
In force
29 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Missaukee County, MI, Roscommon County, MI

The radar

The NCL Michigan radar (KAPX), 76 km from the middle of the area, began a volume at 17:32 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
Sep 7, 12:21 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 5.5 hours before the alert went out and 206 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, Detroit, MI at 12:00Z on 2021-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 12:00Z on 2021-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1621 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

446 
WUUS53 KAPX 071731
SVRAPX
MIC113-143-071800-
/O.NEW.KAPX.SV.W.0080.210907T1731Z-210907T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
131 PM EDT Tue Sep 7 2021

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Southwestern Roscommon County in northern Michigan...
  Southeastern Missaukee County in northern Michigan...

* Until 200 PM EDT.

* At 131 PM EDT, a severe thunderstorm was located over Vogel Center,
  or 13 miles southeast of Lake City, moving east at 50 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Moddersville around 135 PM EDT.
  Houghton Lake and Roscommon Township around 150 PM EDT.

Other locations in the path of this severe thunderstorm include
Prudenville and Roscommon County Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4417 8510 4427 8506 4442 8461 4416 8461
TIME...MOT...LOC 1731Z 251DEG 41KT 4419 8501 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cornish

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 4:14 AM EDTBeach Hazards StatementAPXAlpena, Benzie, Charlevoix, Emmet, Leelanau, Mackinac and 1 more12 hr
Sep 7, 7:26 AM EDTSpecial Marine WarningAPX2 hr
Sep 7, 7:55 AM EDTSpecial Marine WarningAPX95 min
Sep 7, 8:26 AM EDTSpecial Marine WarningAPX64 min
Sep 7, 8:40 AM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau50 min
Sep 7, 8:57 AM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Manistee33 min
Sep 7, 9:25 AM EDTSevere Thunderstorm WarningAPXAntrim, Grand Traverse, Kalkaska50 min
Sep 7, 9:27 AM EDTSpecial Marine WarningAPX33 min
Sep 7, 9:29 AM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Kalkaska, Manistee, Missaukee, Wexford46 min
Sep 7, 10:26 AM EDTSevere Thunderstorm WarningAPXMissaukee, Wexford34 min
Sep 7, 10:49 AM EDTSpecial Marine WarningAPX56 min
Sep 7, 11:06 AM EDTSevere Thunderstorm WarningAPXCrawford, Missaukee, Ogemaw, Oscoda, Roscommon24 min
Sep 7, 11:24 AM EDTSevere Thunderstorm WarningAPXBenzie, Manistee51 min
Sep 7, 11:28 AM EDTSevere Thunderstorm WarningAPXCrawford, Kalkaska47 min
Sep 7, 11:30 AM EDTSevere Thunderstorm WarningAPXAlcona, Crawford, Iosco, Ogemaw, Oscoda, Roscommon45 min
Sep 7, 11:56 AM EDTSevere Thunderstorm Warning Considerable damage threatAPXManistee, Missaukee, Wexford34 min
Sep 7, 12:00 PM EDTSevere Thunderstorm WarningAPXManistee30 min
Sep 7, 12:08 PM EDTSevere Thunderstorm WarningAPXAlcona, Iosco, Ogemaw14 min
Sep 7, 12:28 PM EDTSevere Thunderstorm WarningAPXMissaukee, Roscommon, Wexford47 min
Sep 7, 1:09 PM EDTSevere Thunderstorm WarningAPXIosco16 min
Sep 7, 1:10 PM EDTSpecial Marine WarningAPX2 hr
Sep 7, 1:29 PM EDTSevere Thunderstorm WarningAPXWexford19 min
Sep 7, 1:31 PM EDTSpecial Marine WarningAPX67 min
Sep 7, 1:37 PM EDTSevere Thunderstorm WarningAPXAlcona, Alpena, Iosco38 min
Sep 7, 1:47 PM EDTSevere Thunderstorm WarningAPXIosco, Ogemaw58 min
Sep 7, 2:22 PM EDTSevere Thunderstorm WarningAPXArenac, Gladwin, Iosco, Ogemaw53 min
Sep 7, 3:12 PM EDTSpecial Marine WarningAPX70 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2021Every severe thunderstorm warning 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.