Alert archive / Michigan / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Marquette, MI

August 2, 2015Dickinson County, Marquette County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Aug 2, 2015, 6:41 AM CDT for Dickinson County, Marquette County, Michigan. It was in force for 35 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
Aug 2, 2015, 6:41 AM CDT (11:41 UTC)
Expired
Aug 2, 2015, 7:16 AM CDT
In force
35 min
Issued by
NWS Marquette, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dickinson County, MI, Marquette County, MI

The radar

The Marquette radar (KMQT), 47 km from the middle of the area, began a volume at 11:44 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 11.7 hours before the alert went out and 188 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, Green Bay/Straub, WI at 00:00Z on 2015-08-02Temperature 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, Green Bay/Straub, WI at 00:00Z on 2015-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
2235 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.3

Open this sounding in Storm Lab

The text

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

432 
WUUS53 KMQT 021141
SVRMQT
MIC043-103-021230-
/O.NEW.KMQT.SV.W.0021.150802T1141Z-150802T1230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MARQUETTE MI
741 AM EDT SUN AUG 2 2015

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DICKINSON COUNTY IN SOUTH CENTRAL UPPER MICHIGAN...
  SOUTHEASTERN MARQUETTE COUNTY IN NORTH CENTRAL UPPER MICHIGAN...

* UNTIL 830 AM EDT/730 AM CDT/

* AT 741 AM EDT /641 AM CDT/...SEVERE THUNDERSTORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM NEAR GWINN TO 7 MILES NORTH OF FELCH...
  MOVING EAST AT 20 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  WATSON...FELCH...GWINN...K I SAWYER...CARLSHEND...HARDWOOD...
  ARNOLD...MCFARLAND...ANDERSON LAKE...RALPH...LITTLE LAKE...SILVER
  LAKE AND NORTHLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4605 8800 4635 8742 4636 8712 4616 8711
      4615 8724 4598 8725 4599 8761 4593 8762
TIME...MOT...LOC 1141Z 275DEG 16KT 4629 8740 4610 8787 

HAIL...1.00IN
WIND...60MPH

$$

JLA
2 follow-up statements
239 
WWUS53 KMQT 021203
SVSMQT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MARQUETTE MI
803 AM EDT SUN AUG 2 2015

MIC043-103-021230-
/O.CON.KMQT.SV.W.0021.000000T0000Z-150802T1230Z/
DICKINSON MI-MARQUETTE MI-
803 AM EDT SUN AUG 2 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM
EDT/730 AM CDT/ FOR EAST CENTRAL DICKINSON AND SOUTHEASTERN MARQUETTE
COUNTIES...

AT 803 AM EDT /703 AM CDT/...SEVERE THUNDERSTORMS WERE LOCATED ALONG
A LINE EXTENDING FROM 7 MILES SOUTHEAST OF K I SAWYER TO 7 MILES
NORTHEAST OF FELCH...MOVING EAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THESE SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
EAST CENTRAL DICKINSON AND SOUTHEASTERN MARQUETTE COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS...MCFARLAND...ARNOLD...HARDWOOD...
CARLSHEND...NORTHLAND AND LITTLE LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4598 8779 4633 8728 4636 8712 4616 8711
      4615 8724 4598 8725 4599 8761 4593 8762
TIME...MOT...LOC 1203Z 275DEG 16KT 4628 8726 4609 8773 

HAIL...1.00IN
WIND...60MPH
 
$$

JLA
777 
WWUS53 KMQT 021216
SVSMQT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MARQUETTE MI
816 AM EDT SUN AUG 2 2015

MIC043-103-021225-
/O.CAN.KMQT.SV.W.0021.000000T0000Z-150802T1230Z/
DICKINSON MI-MARQUETTE MI-
816 AM EDT SUN AUG 2 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DICKINSON AND
SOUTHEASTERN MARQUETTE COUNTIES IS CANCELLED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
MARQUETTE.

LAT...LON 4598 8779 4633 8728 4636 8712 4616 8711
      4615 8724 4598 8725 4599 8761 4593 8762
TIME...MOT...LOC 1212Z 275DEG 16KT 4628 8720 4609 8767 

$$

TITUS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 4:26 AM CDTSpecial Weather StatementMQT34 min
Aug 2, 4:49 AM CDTSpecial Weather StatementMQTOntonagon56 min
Aug 2, 5:05 AM CDTSevere Thunderstorm WarningMQTHoughton, Ontonagon40 min
Aug 2, 5:40 AM CDTSpecial Weather StatementMQTBaraga50 min
Aug 2, 5:52 AM CDTSevere Thunderstorm WarningMQTBaraga38 min
Aug 2, 6:06 AM CDTSevere Thunderstorm WarningMQTBaraga, Iron, Marquette39 min
Aug 2, 6:15 AM CDTSpecial Weather StatementMQTIron45 min
Aug 2, 6:57 AM CDTSevere Thunderstorm WarningMQTAlger, Delta, Menominee48 min
Aug 2, 7:06 AM CDTSpecial Marine WarningMQT84 min
Aug 2, 7:13 AM CDTSevere Thunderstorm WarningMQTAlger, Delta, Schoolcraft47 min
Aug 2, 7:35 AM CDTSevere Thunderstorm WarningMQTDelta, Menominee32 min
Aug 2, 8:37 AM CDTSpecial Weather StatementMQTMenominee23 min
Aug 2, 9:44 AM CDTSpecial Weather StatementMQTIron46 min
Aug 2, 10:00 AM CDTSpecial Weather StatementMQTIron45 min
Aug 2, 10:28 AM CDTSpecial Weather StatementMQTDickinson47 min
Aug 2, 11:33 AM CDTSpecial Weather StatementMQTMenominee27 min
Aug 2, 12:38 PM CDTSpecial Weather StatementMQTDickinson52 min
Aug 2, 1:30 PM CDTSpecial Weather StatementMQTMenominee45 min
Aug 2, 1:38 PM CDTSevere Thunderstorm WarningMQTMenominee37 min
Aug 2, 2:02 PM CDTSpecial Marine WarningMQT43 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2015Every severe thunderstorm warning in 2015

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.