Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 15, NWS Gaylord, MI

June 18, 2012Cheboygan County, Emmet County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 18, 2012, 7:13 PM EDT for Cheboygan County, Emmet 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
Jun 18, 2012, 7:13 PM EDT (23:13 UTC)
Expired
Jun 18, 2012, 7:42 PM EDT
In force
29 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

Counties Cheboygan County, MI, Emmet County, MI

The radar

The NCL Michigan radar (KAPX), 54 km from the middle of the area, began a volume at 23:14 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 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, 11.2 hours before the alert went out and 192 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.

206 
WUUS53 KAPX 182313
SVRAPX
MIC031-047-190000-
/O.NEW.KAPX.SV.W.0015.120618T2313Z-120619T0000Z/

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

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHEBOYGAN COUNTY IN NORTHERN LOWER MICHIGAN...
  CENTRAL EMMET COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 800 PM EDT

* AT 709 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 PETOSKEY...AND MOVING EAST
  AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  INDIAN RIVER...CONWAY...ODEN...BRUTUS...BURT LAKE...BURT LAKE STATE
  PARK...WOLVERINE...TOPINABEE...AFTON...ALOHA...ALOHA STATE PARK...
  KOEHLER TOWNSHIP...ALVERNO...TOWER...BLACK LAKE...PIGEON RIVER
  STATE FOREST AND SILVER LAKE.

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 4521 8473 4535 8474 4538 8495 4540 8492
      4542 8495 4541 8498 4543 8504 4548 8510
      4554 8510 4557 8425 4520 8425
TIME...MOT...LOC 2312Z 264DEG 50KT 4538 8493
WIND...HAIL 60MPH <.50IN

$$
2 follow-up statements
004 
WWUS34 KAPX 182326
SVSAPX

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

MIC031-047-190000-
/O.CON.KAPX.SV.W.0015.000000T0000Z-120619T0000Z/
CHEBOYGAN MI-EMMET MI-
726 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
EMMET AND CHEBOYGAN COUNTIES UNTIL 800 PM EDT...

AT 723 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 BURT LAKE...OR NEAR INDIAN
RIVER...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  INDIAN RIVER...BURT LAKE STATE PARK...WOLVERINE...TOPINABEE...
  AFTON...ALOHA...ALOHA STATE PARK...KOEHLER TOWNSHIP...TOWER...BLACK
  LAKE...PIGEON RIVER STATE FOREST AND SILVER LAKE.

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 4521 8473 4535 8474 4538 8495 4540 8492
      4555 8487 4557 8425 4520 8425
TIME...MOT...LOC 2326Z 264DEG 50KT 4540 8465
WIND...HAIL 60MPH <.50IN

$$
817 
WWUS34 KAPX 182342
SVSAPX

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

MIC031-047-182352-
/O.CAN.KAPX.SV.W.0015.000000T0000Z-120619T0000Z/
CHEBOYGAN MI-EMMET MI-
742 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN EMMET AND
CHEBOYGAN COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT.

LAT...LON 4521 8473 4535 8474 4538 8495 4540 8492
      4555 8487 4557 8425 4520 8425
TIME...MOT...LOC 2342Z 264DEG 50KT 4542 8433
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, 6:47 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Emmet58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.