Alert archive / Michigan / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 19, NWS Marquette, MI

May 6, 2002Dickinson County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at May 6, 2002, 2:28 PM CDT for Dickinson County, Michigan. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 6, 2002, 2:28 PM CDT (19:28 UTC)
Expired: May 6, 2002, 3:15 PM CDT
In force: 47 min
Issued by: NWS Marquette, MI
Area: Whole counties

County Dickinson County, MI

The radar

The Marquette radar (KMQT), 63 km from the middle of the area, began a volume at 19:35 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

Time	Report	Where	Remark
May 6, 2:45 PM CDT	Hail 0.75	Foster City, MI	Three-quarter inch hail was reported.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.5 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1035 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 210 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.

000 
WUUS53 KMQT 061928
SVRMQT
MIC043-062015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MARQUETTE MI
228 PM CDT MON MAY 6 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DICKINSON COUNTY IN SOUTH CENTRAL UPPER MICHIGAN

* UNTIL 315 PM CDT

* AT 223 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES SOUTHEAST OF CRYSTAL FALLS. THE STORM
  WAS MOVING EAST AT 40 MILES AN HOUR.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FELCH AT 245 PM CDT
  FOSTER CITY...RALPH AT 250 PM CDT

AT 155 PM CDT...SKYWARN SPOTTERS IN IRON RIVER REPORTED QUARTER 
SIZED HAIL WITH THIS STORM. SEEK SHELTER IMMEDIATELY

REMAIN INDOORS AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. THIS
STORM IS CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER. HAIL
OF THIS SIZE CAN DAMAGE WINDOWS...ALUMINUM SIDING...AND VEHICLES WHEN
ACCOMPANIED BY STRONG WIND GUSTS.

NNNN

KC


WWW.CRH.NOAA.GOV/MQT/

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at May 6, 10:26 AM CDT, 4 hours 2 minutes earlier.

Area forecast discussion, May 6, 10:26 AM CDT, 4 hours 2 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MARQUETTE MI
1126 AM EDT MON MAY 6 2002

MAIN CONCERN WITH THE FORECAST PACKAGE INCLUDES THE RAIN POTENTIAL
THIS AFTERNOON AND FOG AND CLOUDS TONIGHT.

WV IMAGERY SHOWING A CLOSED LOW OVR PAC NW...AND A ZONAL FLOW ACROSS
NORTHERN CONUS. A WEAK LOW CNTR IS DVLPG OVR NE MAN. A WEAK TROF IS
OVR S CA. A WEAK SHRTWV IS BEING EJECTED INTO MID MS VALLEY. SFC
ANLYS DEPICTS A LOW CENTER OVR CNTRL PLAINS. A STATIONARY FRONT
STRETCHES E THRU THE UPR GRTLKS INTO S QUE. THE LOW WILL MOV INTO
UPR MS VALLEY THIS AFTN.

MRNG RAOBS AT KINL AND KMPX SHOWING A STRONG SFC BASED INVERSION...
AND NR SATURATED COND BLO 800MB. ANOTHER WEAK SHRTWV WILL MOV ACRS
CWA THIS AFTN. ETA IS KEEPING NR SATURATED COND THRU THRU THE REST
OF THE AFTN INTO THIS EVENING. THE SHRTWV WILL PROVIDE ENOUGH LIFT
TO GENERATE SHRA OF CNTRL U.P. A POSSIBLE -TSRA OVR S CWA CAN BE
EXPECTED AS THE CAP IS NOT AS STRONG OVR THOSE COUNTIES. THE
CONTOURS WILL BCM MORE COMPRESSED THIS AFTN AS THE SFC LOW RACES
INTO UPR MS VALLEY.

SHRTWV WILL ENERGY WILL MOV ACRS LK SUPERIOR THIS EVE...AND MAY
TRIGGER A FEW SHRA OVRNGT. DRIZZLE WILL BE POSSIBLE EARLY...BUT AS
CAP WILL WILL BE SO STRONG XPC MAINLY DZ/FG...AND WNDS WILL BE LGT.

.MQT...NONE.

DLG

In the hours before

Special weather statement, May 6, 11:23 AM CDT, 3 hours 5 minutes before

MIZ001>007-009>014-062000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MARQUETTE MI
1223 PM EDT MON MAY 6 2002

...SEVERE WEATHER POTENTIAL FOR WEST AND CENTRAL UPPER MICHIGAN...

THERE WILL BE ISOLATED THUNDERSTORMS THIS AFTERNOON OVER SOUTH AND
SOUTHEAST UPPER MICHIGAN...BUT NONE OF THE STORMS ARE EXPECTED TO
BECOME SEVERE. SPOTTER ACTIVATION IS NOT ANTICIPATED.

AS A WEAK LOW PRESSURE CENTER ALONG A WARM FRONT LIFTS NORTH THROUGH
WISCONSIN THIS AFTERNOON...SCATTERED SHOWERS WILL BUILD OVER CENTRAL
UPPER MICHIGAN. A FEW OF THESE SHOWERS WILL BUILD INTO
THUNDERSTORMS. THESE WILL BE MAINLY OVER IRON MOUNTAIN...
MENOMINEE...MARQUETTE...ESCANABA...MANISTIQUE AND NEWBERRY.

THE ISOLATED THUNDERSTORMS WILL MOVE EAST AT 35 MPH...AND WILL
PRODUCE SOME DEADLY LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA SOURCE FOR
THE LATEST WEATHER INFORMATION DIRECT FROM THE NATIONAL WEATHER
SERVICE IN MARQUETTE.

DLG

Local storm report, May 6, 2:08 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
308 PM EDT MON MAY 6 2002

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0255 PM    2 SW IRON RIVER           MI   1.00 INCH HAIL
05/06/02   IRON

0300 PM    IRON RIVER                MI   .88 INCH HAIL
05/06/02   IRON                           NICKEL SIZED HAIL COVERING
                                          GROUND

MRD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 1:45 PM CDT	Severe Thunderstorm Warning	MQT	Iron	45 min
May 6, 2:52 PM CDT	Severe Thunderstorm Warning	MQT	Menominee	23 min
May 6, 3:08 PM CDT	Special Marine Warning	MQT		97 min
May 6, 3:08 PM CDT	Special Marine Warning	MQT		97 min
May 6, 3:08 PM CDT	Special Marine Warning	MQT		97 min
May 6, 3:14 PM CDT	Severe Thunderstorm Warning	MQT	Delta	61 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.