Alert archive / Michigan / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 33, NWS Marquette, MI

July 30, 2003Marquette County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Jul 30, 2003, 2:17 PM EDT for Marquette County, Michigan. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 30, 2003, 2:17 PM EDT (18:17 UTC)
Expired: Jul 30, 2003, 3:00 PM EDT
In force: 43 min
Issued by: NWS Marquette, MI
Area: Whole counties

County Marquette County, MI

The radar

The Marquette radar (KMQT), 15 km from the middle of the area, began a volume at 18:18 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 12:00Z, 6.3 hours before the alert went out and 246 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: 239 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1038 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -70 m²/s²
0-3 km storm-relative helicity: -72 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.

852 
WUUS53 KMQT 301817
SVRMQT
MIC103-301900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MARQUETTE MI
217 PM EDT WED JUL 30 2003

THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARQUETTE COUNTY IN NORTH CENTRAL UPPER MICHIGAN

* UNTIL 300 PM EDT

* AT 213 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR GWINN...OR ABOUT 14 MILES SOUTH OF
  MARQUETTE. THE STORM WAS MOVING NORTHEAST AT 20 MILES AN HOUR.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CARLSHEND AT 225 PM EDT...
  SKANDIA AT 230 PM EDT...
  SHOT POINT AT 250 PM EDT...

DAMAGING WINDS OVER 60 MPH...LARGE HAIL...AND DEADLY CLOUD TO GROUND
LIGHTNING CAN RESULT FROM SEVERE THUNDERSTORMS. REMAIN INDOORS AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

$$

LAT...LON 4651 8711 4633 8711 4622 8740 4637 8756
          4650 8731 4651 8715

TRH

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 Jul 30, 10:30 AM EDT, 3 hours 47 minutes earlier.

Area forecast discussion, Jul 30, 10:30 AM EDT, 3 hours 47 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MARQUETTE MI
1030 AM EDT WED JUL 30 2003

FCST CONCERN THIS AFTN IS CONVECTION AND SVR POTENTIAL.

WV IMAGERY SHOWS MIDLEVEL LOW OVER SE MANITOBA DRIFTING TOWARD NWRN
MN. WARM CONVEYOR PCPN BAND EXTENDING FROM N OF LAKE SUPERIOR THRU
THE WRN U.P. INTO WI HAS BEEN SLOWLY EDGING E THIS MORNING.
RECENTLY...THIS PCPN HAS SHOWN A NOTICEABLE DIMINISHING TREND.
EXPECT TSTM DEVELOPMENT JUST AHEAD OF THIS BAND DURING AFTN HEATING
AND BEHIND IT WHERE CLOUDS ARE CLEARING OUT.

ETA AND RUC FCST SOUNDINGS MODIFIED FOR T/TD OF 76/63F YIELD CAPE
VALUES NEAR 2K J/KG. FORTUNATELY DEEP LAYER (0-6KM) SHEAR IS ONLY
10-20KT...LIMITING SIGNIFICANT STORM ORGANIZATION. HOWEVER...WET
BULB ZERO HEIGHTS OF 9-10KFT WILL MAKE SVR HAIL A THREAT...AND
FAVORABLE DECREASE OF THETA-E FROM SFC TO MIDLEVELS (NEAR OR
EXCEEDING 20K) WILL PROVIDE POTENTIAL FOR STRONG WIND GUSTS. AREAS
OVER THE CNTRL FCST AREA WHERE LAKE MICHIGAN LAKE BREEZE INTERSECTS
POTENTIAL OUTFLOW FROM WRN U.P. SHRA WILL NEED TO BE WATCHED.
ALTHOUGH ONGOING SHRA OVER WRN U.P. ARE DIMINISHING...NEW
DEVELOPMENT SHOULD TAKE OFF SOON WHERE CLOUDS ARE THIN.

GOING FCST IS GENERALLY IN GOOD SHAPE AND NO SIGNIFICANT CHANGES ARE
PLANNED IN UPDATE.

.MQT...NONE.

ROLFSON

Hazardous weather outlook, Jul 30, 7:00 AM EDT, 7 hours 17 minutes before

MIZ001>007-009>014-084-085-311200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MARQUETTE MI
700 AM EDT WED JUL 30 2003

...SLIGHT RISK THUNDERSTORMS THIS AFTERNOON AND EVENING WILL BECOME
SEVERE...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL UPPER
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL SPREAD FROM WEST TO EAST TODAY...AND
BECOME MORE NUMEROUS TONIGHT. THERE IS A SLIGHT RISK THAT SOME OF
THE THUNDERSTORMS THIS AFTERNOON INTO EARLY EVENING MAY BECOMING
SEVERE AND CAUSE WIND GUSTS IN EXCESS OF 60 MPH AND HAIL AS LARGE AS
ONE INCH IN DIAMETER. THE GREATEST RISK OF SEVERE WEATHER WILL BE
WEST OF MUNISING AND ESCANABA. EXPECT SOME OF THUNDERSTORMS TO
PRODUCE LOCALLY HEAVY RAIN ACROSS MAINLY THE WEST HALF OF UPPER
MICHIGAN TODAY. THUNDERSTORMS TODAY WILL MOVE NORTHEAST AT 25 MPH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THUNDERSTORMS ARE POSSIBLE THURSDAY THROUGH SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EARLY
EVENING.

ADDITIONAL WEATHER INFORMATION MAY BE OBTAINED AT THE FOLLOWING URL:

HTTP://WWW.CRH.NOAA.GOV/MQT (ALL LOWER CASE)

KC

In the hours before

Local storm report, Jul 30, 2:10 PM EDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
210 PM EDT WED JUL 30 2003

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

0121 PM    BARK RIVER                MI   .75 INCH HAIL
07/30/03   DELTA

AJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 1:19 PM EDT	Severe Thunderstorm Warning	MQT	Delta	56 min
Jul 30, 1:52 PM EDT	Special Marine Warning	MQT		53 min
Jul 30, 1:52 PM EDT	Special Marine Warning	MQT		53 min
Jul 30, 2:45 PM EDT	Special Marine Warning	MQT		60 min
Jul 30, 2:45 PM EDT	Special Marine Warning	MQT		60 min
Jul 30, 3:47 PM EDT	Special Marine Warning	MQT		58 min
Jul 30, 4:34 PM EDT	Severe Thunderstorm Warning	MQT	Marquette	56 min
Jul 30, 4:43 PM EDT	Severe Thunderstorm Warning	MQT	Houghton	47 min
Jul 30, 5:02 PM EDT	Severe Thunderstorm Warning	MQT	Dickinson	48 min
Jul 30, 5:28 PM EDT	Special Marine Warning	MQT		77 min
Jul 30, 5:28 PM EDT	Special Marine Warning	MQT		77 min
Jul 30, 5:44 PM EDT	Severe Thunderstorm Warning	MQT	Marquette	46 min
Jul 30, 6:03 PM EDT	Special Marine Warning	MQT		57 min
Jul 30, 6:42 PM EDT	Special Marine Warning	MQT		63 min
Jul 30, 6:47 PM EDT	Special Marine Warning	MQT		58 min
Jul 30, 6:56 PM EDT	Special Marine Warning	MQT		64 min
Jul 30, 6:57 PM EDT	Severe Thunderstorm Warning	MQT	Baraga	58 min
Jul 30, 7:03 PM EDT	Special Marine Warning	MQT		57 min
Jul 30, 7:22 PM EDT	Special Marine Warning	MQT		53 min
Jul 30, 7:26 PM EDT	Severe Thunderstorm Warning	MQT	Baraga	29 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2003 Every severe thunderstorm warning in 2003

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.