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, 4:19 PM EDT for Antrim County, Michigan. It was in force for 41 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, 4:19 PM EDT (20:19 UTC)
- Expired
- Aug 9, 2021, 5:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Gaylord, MI
- Hail
- 0.50 in
- Wind
- 40
County Antrim County, MI
The radar
The NCL Michigan radar (KAPX), 69 km from the middle of the area, began a volume at 20:20 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, 8.3 hours before the alert went out and 213 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
- 10 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1082 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
950
WWUS83 KAPX 092019
SPSAPX
Special Weather Statement
National Weather Service Gaylord MI
419 PM EDT Mon Aug 9 2021
MIZ020-026-092100-
Leelanau MI-Grand Traverse MI-
419 PM EDT Mon Aug 9 2021
...A strong thunderstorm will impact portions of southeastern
Leelanau and north central Grand Traverse Counties through 500 PM
EDT...
At 419 PM EDT, Doppler radar was tracking a strong thunderstorm over
Suttons Bay, or near Leland, moving north at 30 mph.
HAZARD...Winds in excess of 40 mph and half inch 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 strong thunderstorm will be near...
Omena around 425 PM EDT.
Other locations in the path of this storm include Northport, Leelanau
State Park and Grand Traverse Light.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4505 8581 4511 8573 4522 8565 4525 8555
4523 8550 4518 8547 4519 8545 4529 8541
4530 8538 4509 8542 4518 8544 4515 8551
4504 8552 4501 8555 4503 8548 4501 8544
4478 8548 4478 8584
TIME...MOT...LOC 2019Z 189DEG 24KT 4501 8566
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 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, 3:26 PM EDT | Special Weather Statement | APX | Oscoda | 34 min |
| Aug 9, 3:55 PM EDT | Special Weather Statement | APX | Emmet | 50 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.