Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Gaylord, MI
NWS Gaylord, MI issued this special weather statement at Aug 3, 2021, 5:16 PM EDT for Arenac County, Iosco 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
- Aug 3, 2021, 5:16 PM EDT (21:16 UTC)
- Expired
- Aug 3, 2021, 5:45 PM EDT
- In force
- 29 min
- Issued by
- NWS Gaylord, MI
- Hail
- 0.25 in
- Wind
- 30
Counties Arenac County, MI, Iosco County, MI
The radar
The NCL Michigan radar (KAPX), 117 km from the middle of the area, began a volume at 21:19 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, 9.3 hours before the alert went out and 146 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
- 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
The text
As transmitted.
285
WWUS83 KAPX 032116
SPSAPX
Special Weather Statement
National Weather Service Gaylord MI
516 PM EDT Tue Aug 3 2021
MIZ036-042-032145-
Iosco MI-Arenac MI-
516 PM EDT Tue Aug 3 2021
...Strong thunderstorms will impact portions of Arenac and central
Iosco Counties through 545 PM EDT...
At 515 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Wurtsmith Airfield to Whittemore to near
Sterling. Movement was southeast at 10 mph.
HAZARD...Pea size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible.
Strong thunderstorms will be near...
National City around 520 PM EDT.
Oscoda, East Tawas and Au Sable around 530 PM EDT.
Other locations in the path of these storms include Omer.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4432 8329 4422 8343 4422 8349 4418 8351
4418 8356 4405 8358 4405 8365 4399 8368
4400 8383 4391 8391 4391 8404 4400 8405
4400 8417 4404 8417 4416 8397 4416 8389
4422 8388 4447 8347 4443 8327
TIME...MOT...LOC 2115Z 297DEG 15KT 4440 8347 4422 8377 4402 8409
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 3, 4:14 PM EDT | Special Weather Statement | APX | Missaukee | 31 min |
| Aug 3, 4:34 PM EDT | Special Weather Statement | APX | Gladwin | 26 min |
| Aug 3, 5:03 PM EDT | Special Weather Statement | APX | Ogemaw | 27 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.