Alert archive / Michigan / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 75, NWS Marquette, MI

July 8, 2007Marquette County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Jul 8, 2007, 3:10 PM EDT for Marquette County, Michigan. It was in force for 65 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 8, 2007, 3:10 PM EDT (19:10 UTC)
Expired
Jul 8, 2007, 4:15 PM EDT
In force
65 min
Issued by
NWS Marquette, MI
Area
Counties, with a storm outline in the text

County Marquette County, MI

The radar

The Marquette radar (KMQT), 15 km from the middle of the area, began a volume at 19:13 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
Jul 8, 2:28 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2007-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2192 joules per kilogram.LCLLFCEL10008507005003002001001 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, Green Bay/Straub, WI at 12:00Z on 2007-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 square meters per square second.193958Sfc1 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
2192 J/kg
Mixed-layer CIN
-320 J/kg
Mixed-layer LCL
1468 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

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 8, 1:30 PM EDT, 1 hour 40 minutes earlier.

Area forecast discussion, Jul 8, 1:30 PM EDT, 1 hour 40 minutes before
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Hazardous weather outlook, Jul 8, 6:14 AM EDT, 8 hours 56 minutes before
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In the hours before

Local storm report, Jul 8, 9:27 AM EDT, 5 hours 43 minutes before
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Special weather statement, Jul 8, 10:26 AM EDT, 4 hours 44 minutes before
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Special weather statement, Jul 8, 10:42 AM EDT, 4 hours 28 minutes before
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Local storm report, Jul 8, 1:41 PM EDT, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MARQUETTE MI
141 PM EDT SUN JUL 08 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0423 AM     HAIL             ROCKLAND                46.74N 89.18W
07/08/2007  E1.00 INCH       ONTONAGON          MI   CO-OP OBSERVER

0430 AM     HAIL             TWIN LAKES              46.90N 88.83W
07/08/2007  E1.75 INCH       HOUGHTON           MI   PUBLIC

            TREES STRIPPED OF LEAVES AND SOME VEHICLE DAMAGE.

0459 AM     HAIL             7 SW PELKIE             46.75N 88.73W
07/08/2007  U0.75 INCH       HOUGHTON           MI   TRAINED SPOTTER

0503 AM     HAIL             7 NW BARAGA             46.85N 88.60W
07/08/2007  E0.75 INCH       BARAGA             MI   TRAINED SPOTTER

0507 AM     HAIL             PELKIE                  46.82N 88.63W
07/08/2007  E0.25 INCH       BARAGA             MI   TRAINED SPOTTER

0515 AM     HAIL             SOUTH RANGE             47.07N 88.64W
07/08/2007  E1.75 INCH       HOUGHTON           MI   TRAINED SPOTTER

0540 AM     HAIL             TAPIOLA                 46.92N 88.62W
07/08/2007  M1.00 INCH       HOUGHTON           MI   TRAINED SPOTTER

0545 AM     HAIL             CHAMPION                46.52N 87.97W
07/08/2007  M0.75 INCH       MARQUETTE          MI   TRAINED SPOTTER

0550 AM     HAIL             KEWEENAW BAY            46.87N 88.47W
07/08/2007  M0.50 INCH       BARAGA             MI   TRAINED SPOTTER

0650 AM     HAIL             2 S STONINGTON          45.70N 86.98W
07/08/2007  E0.88 INCH       DELTA              MI   TRAINED SPOTTER

0655 AM     HAIL             4 E NEGAUNEE            46.50N 87.51W
07/08/2007  M0.75 INCH       MARQUETTE          MI   NWS EMPLOYEE

            OBSERVED AT WFO MARQUETTE

0710 AM     HAIL             1 S HARVEY              46.48N 87.35W
07/08/2007  M1.00 INCH       MARQUETTE          MI   NWS EMPLOYEE

0712 AM     HAIL             4 E NEGAUNEE            46.50N 87.51W
07/08/2007  M1.50 INCH       MARQUETTE          MI   NWS EMPLOYEE

            OBSERVED AT WFO MARQUETTE

0715 AM     HAIL             2 E NEGAUNEE            46.50N 87.55W
07/08/2007  M1.50 INCH       MARQUETTE          MI   NWS EMPLOYEE

0717 AM     HAIL             5 SE HARVEY             46.44N 87.28W
07/08/2007  M1.25 INCH       MARQUETTE          MI   CO-OP OBSERVER

0723 AM     HAIL             SUNDELL                 46.35N 87.08W
07/08/2007  E1.00 INCH       ALGER              MI   PUBLIC

0735 AM     HAIL             6 SSE HARVEY            46.41N 87.30W
07/08/2007  E1.00 INCH       MARQUETTE          MI   NWS EMPLOYEE

0755 AM     HAIL             5 E ROUND LAKE          46.15N 86.64W
07/08/2007  M0.50 INCH       DELTA              MI   CO-OP OBSERVER

0757 AM     HAIL             7 E ROUND LAKE          46.15N 86.60W
07/08/2007  E0.88 INCH       DELTA              MI   TRAINED SPOTTER

            HAIL COVERED GROUND

0828 AM     HAIL             GULLIVER                45.98N 86.02W
07/08/2007  E0.88 INCH       SCHOOLCRAFT        MI   PUBLIC

0834 AM     HAIL             4 E GULLIVER            45.98N 85.94W
07/08/2007  M1.00 INCH       SCHOOLCRAFT        MI   TRAINED SPOTTER

&&

JLEE
Special weather statement, Jul 8, 3:03 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MARQUETTE MI
303 PM EDT SUN JUL 8 2007

MIZ005-081945-
MARQUETTE-
303 PM EDT SUN JUL 8 2007

...SIGNIFICANT WEATHER ALERT FOR MARQUETTE COUNTY UNTIL 345 PM EDT...

AT 255 PM EDT...SATELLITE IMAGERY AND NATIONAL WEATHER SERVICE
DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY DEVELOPING 7
MILES SOUTHWEST OF MICHIGAMME...OR 24 MILES WEST OF ISHPEMING...
MOVING EAST AT 40 MPH.

ONE HALF INCH DIAMETER HAIL...WINDS UP TO 50 MPH...AND FREQUENT CLOUD
TO GROUND LIGHTNING ARE EXPECTED WITH THESE STORMS.

PEOPLE IN CENTRAL MARQUETTE COUNTY...SHOULD MONITOR THE WEATHER
SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO
TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM EDT FOR
THE AREA.

JLA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 2:10 AM EDTSpecial Marine WarningMQT110 min
Jul 8, 3:30 AM EDTSpecial Marine WarningMQT45 min
Jul 8, 3:49 AM EDTSpecial Marine WarningMQT56 min
Jul 8, 4:04 AM EDTSevere Thunderstorm WarningMQTHoughton, Ontonagon56 min
Jul 8, 4:08 AM EDTSpecial Marine WarningMQT37 min
Jul 8, 4:09 AM EDTSevere Thunderstorm WarningMQTKeweenaw66 min
Jul 8, 4:18 AM EDTSpecial Marine WarningMQT117 min
Jul 8, 4:32 AM EDTSevere Thunderstorm WarningMQTBaraga43 min
Jul 8, 4:40 AM EDTSevere Thunderstorm WarningMQTIron50 min
Jul 8, 5:03 AM EDTSpecial Marine WarningMQT57 min
Jul 8, 5:05 AM EDTSevere Thunderstorm WarningMQTHoughton25 min
Jul 8, 5:15 AM EDTSevere Thunderstorm WarningMQTBaraga60 min
Jul 8, 5:32 AM EDTSevere Thunderstorm WarningMQTHoughton43 min
Jul 8, 5:39 AM EDTSevere Thunderstorm WarningMQTMarquette81 min
Jul 8, 5:43 AM EDTSevere Thunderstorm WarningMQTKeweenaw47 min
Jul 8, 5:49 AM EDTSevere Thunderstorm WarningMQTBaraga41 min
Jul 8, 5:52 AM EDTSpecial Marine WarningMQT68 min
Jul 8, 5:57 AM EDTSpecial Marine WarningMQT63 min
Jul 8, 6:07 AM EDTSevere Thunderstorm WarningMQTDelta, Marquette53 min
Jul 8, 6:34 AM EDTSpecial Marine WarningMQT56 min
Jul 8, 6:37 AM EDTSevere Thunderstorm WarningMQTMarquette53 min
Jul 8, 6:57 AM EDTSpecial Marine WarningMQT48 min
Jul 8, 7:00 AM EDTSpecial Marine WarningMQT60 min
Jul 8, 7:05 AM EDTSpecial Marine WarningMQT40 min
Jul 8, 7:05 AM EDTSevere Thunderstorm WarningMQTDelta40 min
Jul 8, 7:14 AM EDTSevere Thunderstorm WarningMQTAlger61 min
Jul 8, 7:25 AM EDTSpecial Marine WarningMQT65 min
Jul 8, 7:28 AM EDTSevere Thunderstorm WarningMQTMarquette32 min
Jul 8, 7:35 AM EDTSpecial Marine WarningMQT85 min
Jul 8, 7:52 AM EDTSevere Thunderstorm WarningMQTDelta, Schoolcraft53 min
Jul 8, 8:29 AM EDTSpecial Marine WarningMQT46 min
Jul 8, 8:59 AM EDTSpecial Marine WarningMQT91 min
Jul 8, 10:23 AM EDTSpecial Marine WarningMQT67 min
Jul 8, 10:54 AM EDTSevere Thunderstorm WarningMQTLuce51 min
Jul 8, 11:14 AM EDTSpecial Marine WarningMQT61 min
Jul 8, 11:44 AM EDTMarine Weather StatementMQT61 min
Jul 8, 4:43 PM EDTSevere Thunderstorm WarningMQTDickinson47 min
Jul 8, 5:10 PM EDTMarine Weather StatementMQT65 min
Jul 8, 5:34 PM EDTMarine Weather StatementMQT56 min
Jul 8, 5:50 PM EDTSevere Thunderstorm WarningMQTAlger55 min
Jul 8, 5:55 PM EDTSpecial Marine WarningMQT65 min
Jul 8, 5:57 PM EDTSevere Thunderstorm WarningMQTMarquette33 min
Jul 8, 5:59 PM EDTSevere Thunderstorm WarningMQTMenominee46 min
Jul 8, 6:02 PM EDTSevere Thunderstorm WarningMQTDelta58 min
Jul 8, 6:22 PM EDTSevere Thunderstorm WarningMQTAlger23 min
Jul 8, 6:30 PM EDTSpecial Marine WarningMQT75 min
Jul 8, 6:39 PM EDTSevere Thunderstorm WarningMQTDelta81 min
Jul 8, 6:53 PM EDTSevere Thunderstorm WarningMQTMenominee52 min
Jul 8, 7:00 PM EDTSpecial Marine WarningMQT45 min
Jul 8, 7:13 PM EDTSevere Thunderstorm WarningMQTSchoolcraft77 min
Jul 8, 7:17 PM EDTSevere Thunderstorm WarningMQTDickinson73 min
Jul 8, 7:25 PM EDTFlash Flood WarningMQTDelta4 hr
Jul 8, 7:44 PM EDTMarine Weather StatementMQT61 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2007Every severe thunderstorm warning in 2007

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.