Alert archive / Michigan / Special Weather Statements in 2017
Special Weather Statement, NWS Gaylord, MI
NWS Gaylord, MI issued this special weather statement at May 18, 2017, 2:07 AM EDT for Antrim County, Kalkaska County, Missaukee County, Michigan. It was in force for 38 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 18, 2017, 2:07 AM EDT (06:07 UTC)
- Expired
- May 18, 2017, 2:45 AM EDT
- In force
- 38 min
- Issued by
- NWS Gaylord, MI
Counties Antrim County, MI, Kalkaska County, MI, Missaukee County, MI
The radar
The NCL Michigan radar (KAPX), 39 km from the middle of the area, began a volume at 06:09 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 18, 2:35 AM EDT | TSTM WND GST 39 | 2 N Cadillac, MI | AWOS STATION CAD, CADILLAC. |
| May 18, 2:35 AM EDT | NON-TSTM WND GST 39 | 2 N Cadillac, MI | AWOS STATION CAD, CADILLAC. |
| May 18, 2:45 AM EDT | TSTM WND DMG | 2 Sw Higgins Lake, MI | 35 LARGE TREES DOWN ON A PROPERTY DUE TO 60 TO 70 MPH DOWNBURST WINDS ASSOCIATED WITH A LINE OF THUNDERSTORMS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Alpena, MI (KAPX), launched 00:00Z, 6.1 hours before the alert went out and 218 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
- 133 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1814 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
975 WWUS83 KAPX 180607 SPSAPX Special Weather Statement National Weather Service Gaylord MI 207 AM EDT THU MAY 18 2017 MIZ016-017-019-021-022-026>028-032>034-180645- Otsego-Grand Traverse-Roscommon-Cheboygan-Kalkaska-Antrim-Emmet-Missaukee- Charlevoix-Wexford-Crawford- 207 AM EDT THU MAY 18 2017 ...A LINE OF THUNDERSTORMS WILL AFFECT EASTERN WEXFORD... WESTERN CHEBOYGAN...SOUTHEASTERN GRAND TRAVERSE...ANTRIM...WESTERN OTSEGO...WESTERN CRAWFORD...SOUTHERN EMMET...KALKASKA...WESTERN ROSCOMMON...MISSAUKEE AND CHARLEVOIX COUNTIES... At 206 AM EDT, radar indicated strong thunderstorms were located along a line extending from Fishermans Island State Park to near Mitchell State Park. Movement was northeast at 55 mph. Winds in excess of 30 mph are possible with these storms. Locations impacted include... Cadillac, Houghton Lake, Petoskey, Boyne City, Gaylord, Charlevoix, East Jordan, Kalkaska, Grayling, Elk Rapids, Mancelona, Harbor Springs, Bellaire, Lake City, Pellston, Prudenville, Indian River, and Conway. To report severe weather, contact your nearest law enforcement agency. They can relay your report to the National Weather Service office in Gaylord. LAT...LON 4417 8550 4532 8540 4569 8452 4416 8468 TIME...MOT...LOC 0606Z 243DEG 46KT 4528 8533 4417 8543 $$ JZ
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 8:33 PM EDT | Special Weather Statement | APX | Chippewa | 27 min |
| May 18, 1:21 AM EDT | Special Weather Statement | APX | Grand Traverse, Wexford | 39 min |
| May 18, 1:47 AM EDT | Special Marine Warning | APX | 43 min | |
| May 18, 2:41 AM EDT | Special Weather Statement | APX | Crawford, Kalkaska, Otsego, Roscommon | 49 min |
| May 18, 3:11 AM EDT | Special Marine Warning | APX | 2 hr | |
| May 18, 3:26 AM EDT | Special Weather Statement | APX | Alcona, Alpena, Iosco, Montmorency, Ogemaw, Oscoda and 1 more | 49 min |
| May 18, 3:43 AM EDT | Wind Advisory | APX | Arenac, Gladwin | 16 hr |
Nearby
Special Weather Statements in Michigan, 2017Every special weather statement in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.