Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Gaylord, MI
NWS Gaylord, MI issued this special weather statement at Aug 9, 2021, 3:26 PM EDT for Oscoda County, Michigan. It was in force for 34 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 9, 2021, 3:26 PM EDT (19:26 UTC)
- Expired
- Aug 9, 2021, 4:00 PM EDT
- In force
- 34 min
- Issued by
- NWS Gaylord, MI
- Hail
- 0.25 in
- Wind
- 30
County Oscoda County, MI
The radar
The NCL Michigan radar (KAPX), 33 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 154 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.
- Mixed-layer CAPE
- 86 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
056
WWUS83 KAPX 091926
SPSAPX
Special Weather Statement
National Weather Service Gaylord MI
326 PM EDT Mon Aug 9 2021
MIZ023-029-092000-
Montmorency MI-Oscoda MI-
326 PM EDT Mon Aug 9 2021
...A strong thunderstorm will impact portions of southwestern
Montmorency and northwestern Oscoda Counties through 400 PM EDT...
At 325 PM EDT, Doppler radar was tracking a strong thunderstorm near
Garland, or near Lewiston, moving north at 20 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This storm will remain over mainly rural areas of southwestern
Montmorency and northwestern Oscoda Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4474 8437 4475 8438 4491 8437 4494 8427
4481 8419
TIME...MOT...LOC 1925Z 146DEG 29KT 4483 8436
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:24 PM EDT | Special Weather Statement | APX | Ogemaw | 51 min |
| Aug 9, 3:55 PM EDT | Special Weather Statement | APX | Emmet | 50 min |
| Aug 9, 4:19 PM EDT | Special Weather Statement | APX | Antrim | 41 min |
| Aug 9, 4:54 PM EDT | Special Weather Statement | APX | Mackinac | 51 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.