Alert archive / Michigan / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 55, NWS Gaylord, MI

June 8, 20114 counties in Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 8, 2011, 1:32 PM EDT for 4 counties in Michigan. It was in force for 43 min. 4 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 8, 2011, 1:32 PM EDT (17:32 UTC)
Expired
Jun 8, 2011, 2:15 PM EDT
In force
43 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The NCL Michigan radar (KAPX), 60 km from the middle of the area, began a volume at 17:33 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 8, 1:40 PM EDTMARINE TSTM WIND 422 Nne Leelanau State Pa, MIGRAND TRAVERSE LIGHTHOUSE
Jun 8, 1:49 PM EDTHAIL 0.75Charlevoix, MI
Jun 8, 1:53 PM EDTHAIL 0.75Petoskey, MI
Jun 8, 1:58 PM EDTHAIL 0.25Eastport, MI

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 12:00Z, 5.5 hours before the alert went out and 229 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 2011-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1155 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2011-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 317 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
1155 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
317 m²/s²
0-3 km storm-relative helicity
295 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.

233 
WUUS53 KAPX 081732
SVRAPX
MIC009-029-047-089-081815-
/O.NEW.KAPX.SV.W.0055.110608T1732Z-110608T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
132 PM EDT WED JUN 8 2011

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

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

* UNTIL 215 PM EDT

* AT 124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES NORTHWEST OF LELAND...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ELLSWORTH...CHARLEVOIX...EAST JORDAN...PETOSKEY...HARBOR SPRINGS...
  BOYNE CITY...PELLSTON...OMENA...NORTHPORT...LEELANAU STATE PARK...
  NORWOOD...FISHERMANS ISLAND STATE PARK...IRONTON...HORTON BAY...
  YOUNG STATE PARK...WILDWOOD...BAY VIEW...STUTSMANVILLE...WALLOON
  LAKE AND PETOSKEY STATE PARK.

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 4522 8555 4515 8540 4527 8539 4537 8521
      4539 8492 4543 8504 4545 8508 4548 8510
      4561 8477 4514 8477 4507 8538 4510 8557
      4515 8541 4519 8551 4513 8560 4505 8555
      4503 8577
TIME...MOT...LOC 1732Z 245DEG 40KT 4513 8581
WIND...HAIL 60MPH 1.00IN

$$


JK
2 follow-up statements
929 
WWUS34 KAPX 081750
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
150 PM EDT WED JUN 8 2011

MIC009-029-047-089-081815-
/O.CON.KAPX.SV.W.0055.000000T0000Z-110608T1815Z/
ANTRIM MI-EMMET MI-LEELANAU MI-CHARLEVOIX MI-
150 PM EDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CHARLEVOIX...
NORTHEASTERN LEELANAU...SOUTHERN EMMET AND NORTHWESTERN ANTRIM
COUNTIES UNTIL 215 PM EDT...

AT 143 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
FISHERMANS ISLAND STATE PARK...OR NEAR CHARLEVOIX...MOVING EAST AT 50
MPH.

LOCATIONS IMPACTED INCLUDE...
  BOYNE CITY...HARBOR SPRINGS...PETOSKEY...PELLSTON...HORTON BAY...
  YOUNG STATE PARK...WILDWOOD...BOYNE FALLS...STUTSMANVILLE...WALLOON
  LAKE...CLARION...PETOSKEY STATE PARK...PLEASANT VIEW...CONWAY...
  ODEN 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 4522 8555 4515 8540 4527 8539 4537 8521
      4539 8492 4543 8504 4545 8508 4548 8510
      4561 8477 4514 8477 4507 8538 4510 8557
      4515 8541 4519 8551 4513 8560 4505 8555
      4503 8577
TIME...MOT...LOC 1750Z 252DEG 44KT 4530 8517
WIND...HAIL 60MPH 1.00IN

$$


JK
168 
WWUS34 KAPX 081808
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
208 PM EDT WED JUN 8 2011

MIC009-029-047-089-081818-
/O.EXP.KAPX.SV.W.0055.000000T0000Z-110608T1815Z/
ANTRIM MI-EMMET MI-LEELANAU MI-CHARLEVOIX MI-
208 PM EDT WED JUN 8 2011

...THE SEVERE THUNDERSTORM WARNING FOR CHARLEVOIX...NORTHEASTERN
LEELANAU...SOUTHERN EMMET AND NORTHWESTERN ANTRIM COUNTIES WILL
EXPIRE AT 215 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 PM. 

LAT...LON 4522 8555 4515 8540 4527 8539 4537 8521
      4539 8492 4543 8504 4545 8508 4548 8510
      4561 8477 4514 8477 4507 8538 4510 8557
      4515 8541 4519 8551 4513 8560 4505 8555
      4503 8577
TIME...MOT...LOC 1808Z 252DEG 44KT 4536 8487
WIND...HAIL <50MPH <.50IN

$$


JK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 8:03 PM EDTSpecial Marine WarningAPX114 min
Jun 7, 8:57 PM EDTSpecial Marine WarningAPX49 min
Jun 8, 1:02 AM EDTSmall Craft AdvisoryAPX22 hr
Jun 8, 5:52 AM EDTSpecial Marine WarningAPX83 min
Jun 8, 6:44 AM EDTGale WarningAPX4 hr
Jun 8, 6:44 AM EDTSmall Craft AdvisoryAPX16 hr
Jun 8, 6:48 AM EDTSpecial Marine WarningAPX87 min
Jun 8, 7:13 AM EDTSpecial Marine WarningAPX2 hr
Jun 8, 8:12 AM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Cheboygan, Emmet, Otsego48 min
Jun 8, 9:08 AM EDTSpecial Marine WarningAPX67 min
Jun 8, 9:33 AM EDTSevere Thunderstorm WarningAPXLeelanau27 min
Jun 8, 9:34 AM EDTSpecial Marine WarningAPX86 min
Jun 8, 10:26 AM EDTSpecial Marine WarningAPX94 min
Jun 8, 11:10 AM EDTSpecial Marine WarningAPX78 min
Jun 8, 11:39 AM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Cheboygan, Emmet, Otsego51 min
Jun 8, 11:41 AM EDTSpecial Marine WarningAPX16 min
Jun 8, 12:50 PM EDTSpecial Marine WarningAPX66 min
Jun 8, 1:16 PM EDTSpecial Marine WarningAPX43 min
Jun 8, 1:27 PM EDTSpecial Marine WarningAPX93 min
Jun 8, 1:35 PM EDTSevere Thunderstorm WarningAPXAntrim, Benzie, Grand Traverse, Kalkaska, Leelanau40 min
Jun 8, 2:15 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Cheboygan, Otsego35 min
Jun 8, 2:23 PM EDTSpecial Marine WarningAPX55 min
Jun 8, 2:40 PM EDTSevere Thunderstorm WarningAPXAlpena, Cheboygan, Montmorency, Otsego, Presque Isle65 min
Jun 8, 2:42 PM EDTSpecial Marine WarningAPX2 hr
Jun 8, 3:42 PM EDTSpecial Marine WarningAPX83 min
Jun 8, 4:25 PM EDTSevere Thunderstorm WarningAPXChippewa50 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2011Every severe thunderstorm warning in 2011

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.