Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 14, NWS Gaylord, MI

June 18, 2012Antrim County, Charlevoix County, Emmet County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 18, 2012, 6:47 PM EDT for Antrim County, Charlevoix County, Emmet 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
Jun 18, 2012, 6:47 PM EDT (22:47 UTC)
Expired
Jun 18, 2012, 7:45 PM EDT
In force
58 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

Counties Antrim County, MI, Charlevoix County, MI, Emmet County, MI

The radar

The NCL Michigan radar (KAPX), 47 km from the middle of the area, began a volume at 22:50 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
Jun 18, 7:06 PM EDTMARINE TSTM WIND 396 Ene Charlevoix, MI
Jun 18, 7:06 PM EDTMARINE TSTM WIND 44Charlevoix, MI
Jun 18, 7:10 PM EDTTSTM WND GST 55Walloon Lake, MIRELAYED VIA WFO ILN IN NWSCHAT. RCVD CALL ON THEIR PUBLIC LINE. 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
Jun 18, 5:46 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 10.8 hours before the alert went out and 212 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 2012-06-18Temperature 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 2012-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
1609 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

178 
WUUS53 KAPX 182247
SVRAPX
MIC009-029-047-182345-
/O.NEW.KAPX.SV.W.0014.120618T2247Z-120618T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
647 PM EDT MON JUN 18 2012

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANTRIM COUNTY IN NORTHERN LOWER MICHIGAN...
  CHARLEVOIX COUNTY IN NORTHERN LOWER MICHIGAN...
  SOUTHERN EMMET COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 745 PM EDT

* AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES NORTHWEST OF NORWOOD...
  OR 11 MILES WEST OF CHARLEVOIX...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CHARLEVOIX...ELLSWORTH...EAST JORDAN...PETOSKEY...BOYNE CITY...
  NORWOOD...FISHERMANS ISLAND STATE PARK...CENTRAL LAKE...IRONTON...
  BAYSHORE...HORTON BAY...YOUNG STATE PARK...JORDAN TOWNSHIP...
  WILDWOOD...WALLOON LAKE...CLARION...WARNER TOWNSHIP...BOYNE
  FALLS...ALBA AND REASONERS CORNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4529 8537 4533 8530 4532 8527 4537 8521
      4538 8513 4537 8502 4539 8494 4536 8473
      4512 8473 4512 8485 4510 8486 4486 8485
      4508 8538 4524 8540
TIME...MOT...LOC 2247Z 283DEG 46KT 4528 8546
WIND...HAIL 60MPH <.50IN

$$
4 follow-up statements
338 
WWUS34 KAPX 182301
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
701 PM EDT MON JUN 18 2012

MIC009-029-047-182345-
/O.CON.KAPX.SV.W.0014.000000T0000Z-120618T2345Z/
ANTRIM MI-EMMET MI-CHARLEVOIX MI-
701 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CHARLEVOIX...
SOUTHERN EMMET AND ANTRIM COUNTIES UNTIL 745 PM EDT...

AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED NEAR CHARLEVOIX...MOVING EAST AT 50
MPH.

LOCATIONS IMPACTED INCLUDE...
  EAST JORDAN...PETOSKEY...BOYNE CITY...BAYSHORE...HORTON BAY...YOUNG
  STATE PARK...JORDAN TOWNSHIP...WILDWOOD...WARNER TOWNSHIP...WALLOON
  LAKE...CLARION...BOYNE FALLS...ALBA AND REASONERS CORNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4529 8537 4533 8530 4532 8527 4537 8521
      4538 8513 4537 8502 4539 8494 4536 8473
      4512 8473 4512 8485 4510 8486 4486 8485
      4508 8538 4524 8540
TIME...MOT...LOC 2301Z 273DEG 46KT 4531 8520
WIND...HAIL 60MPH <.50IN

$$
732 
WWUS34 KAPX 182319
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
719 PM EDT MON JUN 18 2012

MIC009-182329-
/O.CAN.KAPX.SV.W.0014.000000T0000Z-120618T2345Z/
ANTRIM MI-
719 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR ANTRIM COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4529 8537 4533 8530 4532 8527 4537 8521
      4538 8513 4537 8502 4539 8494 4536 8473
      4512 8473 4512 8522 4520 8523 4521 8535
      4524 8540
TIME...MOT...LOC 2319Z 273DEG 46KT 4529 8487
WIND...HAIL <50MPH <.50IN

$$

MIC029-047-182345-
/O.CON.KAPX.SV.W.0014.000000T0000Z-120618T2345Z/
EMMET MI-CHARLEVOIX MI-
719 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CHARLEVOIX AND
SOUTHERN EMMET COUNTIES UNTIL 745 PM EDT...

AT 714 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED NEAR CLARION...OR 6 MILES SOUTH OF
PETOSKEY...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  REASONERS CORNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4529 8537 4533 8530 4532 8527 4537 8521
      4538 8513 4537 8502 4539 8494 4536 8473
      4512 8473 4512 8522 4520 8523 4521 8535
      4524 8540
TIME...MOT...LOC 2319Z 273DEG 46KT 4529 8487
WIND...HAIL 60MPH <.50IN

$$
629 
WWUS34 KAPX 182333
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
733 PM EDT MON JUN 18 2012

MIC029-047-182345-
/O.CON.KAPX.SV.W.0014.000000T0000Z-120618T2345Z/
EMMET MI-CHARLEVOIX MI-
733 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CHARLEVOIX AND SOUTHERN EMMET COUNTIES UNTIL 745 PM EDT...

AT 728 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM BURT LAKE STATE PARK TO BOYNE FALLS...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHEASTERN CHARLEVOIX COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4537 8508 4537 8502 4539 8494 4536 8473
      4513 8473 4512 8474 4512 8522 4521 8523
TIME...MOT...LOC 2332Z 273DEG 46KT 4533 8457 4518 8484
WIND...HAIL 60MPH <.50IN

$$
816 
WWUS34 KAPX 182341
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
741 PM EDT MON JUN 18 2012

MIC029-047-182352-
/O.EXP.KAPX.SV.W.0014.000000T0000Z-120618T2345Z/
EMMET MI-CHARLEVOIX MI-
741 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHARLEVOIX AND
SOUTHERN EMMET COUNTIES WILL EXPIRE AT 745 PM EDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA.

LAT...LON 4537 8508 4537 8502 4539 8494 4536 8473
      4513 8473 4512 8474 4512 8522 4521 8523
TIME...MOT...LOC 2342Z 273DEG 46KT 4532 8439 4517 8466
WIND...HAIL <50MPH <.50IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 10:04 PM EDTSmall Craft AdvisoryAPX25 hr
Jun 18, 5:48 AM EDTSpecial Marine WarningAPX117 min
Jun 18, 9:33 AM EDTSpecial Marine WarningAPX72 min
Jun 18, 2:59 PM EDTSpecial Marine WarningAPX46 min
Jun 18, 4:10 PM EDTSevere Thunderstorm WarningAPXChippewa50 min
Jun 18, 4:24 PM EDTSpecial Marine WarningAPX81 min
Jun 18, 5:46 PM EDTSpecial Marine WarningAPX119 min
Jun 18, 6:05 PM EDTSpecial Marine WarningAPX105 min
Jun 18, 6:28 PM EDTSpecial Marine WarningAPX2 hr
Jun 18, 6:44 PM EDTSpecial Marine WarningAPX91 min
Jun 18, 7:13 PM EDTSevere Thunderstorm WarningAPXCheboygan, Emmet29 min
Jun 18, 7:40 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau50 min
Jun 18, 7:42 PM EDTFlash Flood WarningAPXCharlevoix2 hr
Jun 18, 7:56 PM EDTSevere Thunderstorm WarningAPXAntrim, Kalkaska38 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2012Every severe thunderstorm warning in 2012

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.