Alert archive / Michigan / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 39, NWS Gaylord, MI

August 28, 2018Antrim County, Kalkaska County, Otsego County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Aug 28, 2018, 7:32 PM EDT for Antrim County, Kalkaska County, Otsego County, Michigan. It was in force for 58 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
Aug 28, 2018, 7:32 PM EDT (23:32 UTC)
Expired
Aug 28, 2018, 8:30 PM EDT
In force
58 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Antrim County, MI, Kalkaska County, MI, Otsego County, MI

The radar

The NCL Michigan radar (KAPX), 21 km from the middle of the area, began a volume at 23:35 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

TimeReportWhereRemark
Aug 28, 7:49 PM EDTTORNADO3 S Alba, MIAN EF-0 TORNADO WITH ESTIMATED MAXIMUM WINDS OF 80 MPH TOUCHED DOWN 3.5 MILES SOUTH OF ALBA AND FOLLOWED A DISCONTINUOUS PATH TO THE NORTHEAST LIFTING JUST BEFORE THE OTSEGO COUNTY LINE. TORNADO PATH LENGTH WAS 6.78 MILES WITH A MAXIMUM WIDTH OF 70 YARDS.
Aug 28, 7:57 PM EDTTORNADO4 Ene Alba, MITORNADO CONFIRMED BY RADAR (TDS). NO OTHER REPORTS AT THIS TIME.
Aug 28, 8:16 PM EDTTSTM WND DMG3 Sse Elmira, MISEVERAL LARGE TREES DOWN IN THE AREA. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 28, 6:23 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 11.5 hours before the alert went out and 202 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 2018-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2018-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 300 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
300 m²/s²
0-3 km storm-relative helicity
308 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

995 
WUUS53 KAPX 282332
SVRAPX
MIC009-079-137-290030-
/O.NEW.KAPX.SV.W.0039.180828T2332Z-180829T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
732 PM EDT TUE AUG 28 2018

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Southwestern Otsego County in northern Michigan...
  Antrim County in northern Michigan...
  Northern Kalkaska County in northern Michigan...

* Until 830 PM EDT.

* At 732 PM EDT, severe thunderstorms were located along a line
  extending from near East Jordan to near Rapid City, moving east at
  35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Mancelona, Bellaire, Antrim, Elmira, Central Lake, Clam River,
  Rapid City, Alba, Jordan Township, Warner Township, Blue Lake
  Township and Lake Bellaire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4512 8527 4512 8474 4513 8473 4486 8476
      4486 8484 4482 8485 4479 8530
TIME...MOT...LOC 2332Z 254DEG 29KT 4513 8517 4482 8521 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

MEK
1 follow-up statement
860 
WWUS53 KAPX 290003
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
803 PM EDT TUE AUG 28 2018

MIC079-290012-
/O.CAN.KAPX.SV.W.0039.000000T0000Z-180829T0030Z/
Kalkaska MI-
803 PM EDT TUE AUG 28 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN KALKASKA COUNTY IS
CANCELLED...

The storms which prompted the warning have weakened and moved out of
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
northern Michigan.

LAT...LON 4512 8510 4512 8474 4513 8473 4486 8476
      4486 8509
TIME...MOT...LOC 0002Z 264DEG 29KT 4512 8490 4487 8479 

$$

MIC009-137-290030-
/O.CON.KAPX.SV.W.0039.000000T0000Z-180829T0030Z/
Otsego MI-Antrim MI-
803 PM EDT TUE AUG 28 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHWESTERN OTSEGO AND EASTERN ANTRIM COUNTIES...

At 802 PM EDT, severe thunderstorms were located along a line
extending from near Warner Township to near Waters, moving east at 35
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Mancelona, Antrim, Elmira, Jordan Township, Warner Township and Alba.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Remember, if you can hear thunder, you are 
close enough to be struck by lightning.

Torrential rainfall is occurring with these storms. Do not drive 
your vehicle through flooded roadways.

&&

LAT...LON 4512 8510 4512 8474 4513 8473 4486 8476
      4486 8509
TIME...MOT...LOC 0002Z 264DEG 29KT 4512 8490 4487 8479 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

MEK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 11:25 PM EDTSpecial Marine WarningAPX95 min
Aug 28, 12:09 AM EDTSpecial Marine WarningAPX96 min
Aug 28, 12:26 AM EDTSevere Thunderstorm WarningAPXBenzie, Leelanau, Manistee64 min
Aug 28, 12:33 AM EDTSpecial Marine WarningAPX27 min
Aug 28, 12:58 AM EDTSpecial Marine WarningAPX62 min
Aug 28, 1:01 AM EDTSevere Thunderstorm WarningAPXAntrim, Grand Traverse, Kalkaska, Missaukee, Wexford59 min
Aug 28, 1:24 AM EDTSevere Thunderstorm WarningAPXCharlevoix, Emmet51 min
Aug 28, 1:35 AM EDTSevere Thunderstorm WarningAPXChippewa, Mackinac40 min
Aug 28, 1:47 AM EDTSevere Thunderstorm WarningAPXCheboygan, Emmet, Presque Isle73 min
Aug 28, 1:58 AM EDTSevere Thunderstorm WarningAPXAntrim, Crawford, Kalkaska, Otsego47 min
Aug 28, 2:07 AM EDTSpecial Marine WarningAPX53 min
Aug 28, 2:10 AM EDTSevere Thunderstorm WarningAPXAlpena, Montmorency65 min
Aug 28, 2:50 AM EDTSpecial Marine WarningAPX85 min
Aug 28, 12:13 PM EDTFlood WatchAPXAlcona, Alpena, Antrim, Arenac, Benzie, Crawford and 13 more18 hr
Aug 28, 4:57 PM EDTSpecial Marine WarningAPX2 hr
Aug 28, 5:47 PM EDTSpecial Weather StatementAPXLeelanau43 min
Aug 28, 5:54 PM EDTSevere Thunderstorm WarningAPXLeelanau70 min
Aug 28, 6:08 PM EDTSpecial Marine WarningAPX67 min
Aug 28, 6:15 PM EDTSpecial Weather StatementAPXBenzie45 min
Aug 28, 6:31 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau44 min
Aug 28, 6:46 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Manistee, Wexford43 min
Aug 28, 6:59 PM EDTTornado WarningAPXAntrim, Charlevoix31 min
Aug 28, 7:02 PM EDTSpecial Weather StatementAPXAntrim, Grand Traverse43 min
Aug 28, 7:10 PM EDTSevere Thunderstorm WarningAPXGrand Traverse, Kalkaska50 min
Aug 28, 7:16 PM EDTSpecial Weather StatementAPXWexford29 min
Aug 28, 7:26 PM EDTSevere Thunderstorm WarningAPXGrand Traverse, Kalkaska, Missaukee, Wexford34 min
Aug 28, 7:51 PM EDTSpecial Weather StatementAPXCrawford, Gladwin, Kalkaska, Missaukee, Montmorency, Ogemaw and 3 more39 min
Aug 28, 7:56 PM EDTTornado WarningAPXAntrim, Otsego19 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2018Every severe thunderstorm warning in 2018

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.