Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 17, NWS Gaylord, MI

June 18, 2012Antrim County, Kalkaska County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 18, 2012, 7:56 PM EDT for Antrim County, Kalkaska County, Michigan. It was in force for 38 min. 1 report 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, 7:56 PM EDT (23:56 UTC)
Expired
Jun 18, 2012, 8:34 PM EDT
In force
38 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

Counties Antrim County, MI, Kalkaska County, MI

The radar

The NCL Michigan radar (KAPX), 43 km from the middle of the area, began a volume at 23:56 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, 8:21 PM EDTTSTM WND GST 414 Sse Mancelona, MI

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, 11.9 hours before the alert went out and 226 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°0°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.

441 
WUUS53 KAPX 182356
SVRAPX
MIC009-079-190100-
/O.NEW.KAPX.SV.W.0017.120618T2356Z-120619T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
756 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...
  NORTHERN KALKASKA COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 900 PM EDT

* AT 751 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 BINGHAM...OR 9 MILES NORTH
  OF TRAVERSE CITY...AND MOVING EAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ELK RAPIDS...KALKASKA...BELLAIRE...MANCELONA...KEWADIN...BARKER
  CREEK...TORCH LAKE...ALDEN...RAPID CITY...CLAM RIVER...CENTRAL
  LAKE...ANTRIM...DARRAGH...JORDAN TOWNSHIP...WARNER TOWNSHIP...
  ALBA...LAKE BELLAIRE AND BLUE LAKE TOWNSHIP.

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 4493 8540 4512 8538 4513 8522 4512 8522
      4512 8486 4475 8485 4472 8533 4481 8533
      4483 8534 4483 8538 4489 8538 4489 8543
TIME...MOT...LOC 2356Z 260DEG 55KT 4490 8551
WIND...HAIL 60MPH <.50IN

$$
2 follow-up statements
667 
WWUS34 KAPX 190012
SVSAPX

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

MIC009-079-190100-
/O.CON.KAPX.SV.W.0017.000000T0000Z-120619T0100Z/
ANTRIM MI-KALKASKA MI-
812 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
KALKASKA AND ANTRIM COUNTIES UNTIL 900 PM EDT...

AT 810 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 CENTRAL LAKE TO ANTRIM TO BARKER CREEK...MOVING EAST AT 60 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  WARNER TOWNSHIP...ALBA AND DARRAGH AROUND 820 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS LINE OF SEVERE THUNDERSTORMS INCLUDE
BLUE LAKE TOWNSHIP.

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 4512 8534 4513 8522 4512 8522 4511 8486
      4475 8485 4472 8533 4481 8533 4483 8534
      4483 8538 4489 8538
TIME...MOT...LOC 0012Z 260DEG 50KT 4511 8517 4492 8511
          4479 8527
WIND...HAIL 60MPH <.50IN

$$
448 
WWUS34 KAPX 190034
SVSAPX

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

MIC009-079-190044-
/O.CAN.KAPX.SV.W.0017.000000T0000Z-120619T0100Z/
ANTRIM MI-KALKASKA MI-
834 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN KALKASKA AND ANTRIM
COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA. HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY 
RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT.

LAT...LON 4512 8534 4513 8522 4512 8522 4511 8486
      4475 8485 4472 8533 4481 8533 4483 8534
      4483 8538 4489 8538
TIME...MOT...LOC 0034Z 260DEG 50KT 4516 8474 4497 8468
          4484 8485
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, 7:13 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

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.