Alert archive / Michigan / Special Weather Statements in 2021

Special Weather Statement, NWS Gaylord, MI

August 3, 2021Ogemaw County, Michigan

NWS Gaylord, MI issued this special weather statement at Aug 3, 2021, 5:03 PM EDT for Ogemaw County, Michigan. It was in force for 27 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
Aug 3, 2021, 5:03 PM EDT (21:03 UTC)
Expired
Aug 3, 2021, 5:30 PM EDT
In force
27 min
Issued by
NWS Gaylord, MI
Hail
0.75 in
Wind
30

County Ogemaw County, MI

The radar

The NCL Michigan radar (KAPX), 75 km from the middle of the area, began a volume at 21:03 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

Alpena, MI (KAPX), launched 12:00Z, 9.1 hours before the alert went out and 152 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, Alpena, MI at 12:00Z on 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1248 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

812 
WWUS83 KAPX 032103
SPSAPX

Special Weather Statement
National Weather Service Gaylord MI
503 PM EDT Tue Aug 3 2021
 
MIZ035-032130-
Ogemaw MI-
503 PM EDT Tue Aug 3 2021

...A strong thunderstorm will impact portions of northeastern Ogemaw
County through 530 PM EDT...

At 503 PM EDT, Doppler radar was tracking a strong thunderstorm over 
Rose City, or 11 miles northeast of West Branch, moving south at 10 
mph.

HAZARD...Penny size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

This strong thunderstorm will be near...
  Rifle River State Park around 510 PM EDT.

Other locations in the path of this storm include Selkirk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4446 8423 4450 8398 4440 8393 4432 8391
      4431 8419
TIME...MOT...LOC 2103Z 347DEG 13KT 4441 8409 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 4:14 PM EDTSpecial Weather StatementAPXMissaukee31 min
Aug 3, 4:34 PM EDTSpecial Weather StatementAPXGladwin26 min
Aug 3, 5:16 PM EDTSpecial Weather StatementAPXArenac, Iosco29 min

Nearby

Special Weather Statements in Michigan, 2021Every special weather statement 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.