Alert archive / Michigan / Tornado Watches in 2004

Tornado Watch 459

June 13, 200461 counties in Michigan

The Storm Prediction Center issued this tornado watch at Jun 13, 2004, 1:00 PM EDT for 61 counties in Michigan. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2004, 1:00 PM EDT (17:00 UTC)
Expired
Jun 13, 2004, 8:00 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
All 61 counties

Alcona County, MI, Allegan County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Barry County, MI, Bay County, MI, Benzie County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Charlevoix County, MI, Cheboygan County, MI, Clare County, MI, Clinton County, MI, Crawford County, MI, Eaton County, MI, Emmet County, MI, Genesee County, MI, Gladwin County, MI, Grand Traverse County, MI, Gratiot County, MI, Hillsdale County, MI, Huron County, MI, Ingham County, MI, Ionia County, MI, Iosco County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kalkaska County, MI, Kent County, MI, Lake County, MI, Lapeer County, MI, Leelanau County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Monroe County, MI, Montcalm County, MI, Montmorency County, MI, Newaygo County, MI, Oakland County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Otsego County, MI, Ottawa County, MI, Presque Isle County, MI, Roscommon County, MI, Saginaw County, MI, Saint Joseph County, MI, Shiawassee County, MI, Tuscola County, MI, Van Buren County, MI, Washtenaw County, MI, Wayne County, MI, Wexford County, MI

The radar

The Grand Rapids radar (KGRR), 71 km from the middle of the area, began a volume at 17:01 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.

Warnings issued inside it

30 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 13, 1:28 PM EDTSevere Thunderstorm WarningGRRMontcalm47 min
Jun 13, 1:58 PM EDTTornado WarningGRRMontcalm32 min
Jun 13, 2:29 PM EDTTornado WarningGRRGratiot31 min
Jun 13, 2:48 PM EDTTornado WarningAPXLeelanau42 min
Jun 13, 2:54 PM EDTSevere Thunderstorm WarningDTXMidland66 min
Jun 13, 3:13 PM EDTTornado WarningDTXMidland62 min
Jun 13, 3:25 PM EDTTornado WarningDTXBay65 min
Jun 13, 4:09 PM EDTTornado WarningAPXCharlevoix36 min
Jun 13, 4:22 PM EDTTornado WarningAPXCheboygan53 min
Jun 13, 4:26 PM EDTTornado WarningDTXHuron79 min
Jun 13, 4:54 PM EDTSevere Thunderstorm WarningGRRIonia, Kent51 min
Jun 13, 5:22 PM EDTSevere Thunderstorm WarningGRRIsabella23 min
Jun 13, 5:25 PM EDTSevere Thunderstorm WarningGRRGratiot50 min
Jun 13, 5:34 PM EDTSevere Thunderstorm WarningGRRClinton56 min
Jun 13, 5:41 PM EDTSevere Thunderstorm WarningDTXHuron34 min
Jun 13, 5:46 PM EDTSevere Thunderstorm WarningGRRIonia14 min
Jun 13, 5:49 PM EDTSevere Thunderstorm WarningAPXOscoda26 min
Jun 13, 5:53 PM EDTSevere Thunderstorm WarningAPXArenac37 min
Jun 13, 5:56 PM EDTSevere Thunderstorm WarningDTXSaginaw94 min
Jun 13, 6:02 PM EDTTornado WarningAPXOgemaw43 min
Jun 13, 6:04 PM EDTTornado WarningAPXOgemaw41 min
Jun 13, 6:13 PM EDTSevere Thunderstorm WarningDTXShiawassee62 min
Jun 13, 6:15 PM EDTSevere Thunderstorm WarningDTXBay60 min
Jun 13, 6:23 PM EDTSevere Thunderstorm WarningAPXIosco47 min
Jun 13, 6:31 PM EDTTornado WarningAPXAlpena, Montmorency44 min
Jun 13, 6:34 PM EDTSevere Thunderstorm WarningDTXTuscola71 min
Jun 13, 6:36 PM EDTSevere Thunderstorm WarningDTXGenesee54 min
Jun 13, 7:19 PM EDTSevere Thunderstorm WarningDTXLapeer71 min
Jun 13, 7:22 PM EDTSevere Thunderstorm WarningDTXHuron, Sanilac68 min
Jun 13, 7:54 PM EDTTornado WarningDTXLapeer66 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 5.0 hours before the alert went out and 139 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, Detroit, MI at 12:00Z on 2004-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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, Detroit, MI at 12:00Z on 2004-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
37 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
673 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
42 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 
WWUS20 KWNS 131701
SEL9  
SPC WW 131700
MIZ000-LMZ000-LEZ000-LHZ000-140000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 459
NWS STORM PREDICTION CENTER NORMAN OK
100 PM EDT SUN JUN 13 2004

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       LOWER MICHIGAN
       LAKE MICHIGAN
       LAKE ERIE
       LAKE HURON

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 800
PM EDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES SOUTH SOUTHWEST OF JACKSON MICHIGAN TO 25
MILES EAST NORTHEAST OF PELLSTON MICHIGAN.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 458...

DISCUSSION...CONDITIONS ARE RAPIDLY BECOMING FAVORABLE FOR TORNADIC
SUPERCELL DEVELOPMENT OVER WATCH AREA. WITH APPROACH OF MID LEVEL
TROUGH SHEAR PROFILES ARE NOW SUPPORTIVE OF ROTATING STORMS.  WITH
MUCAPE TO 3000 J/KG AND MINIMAL CIN...THUNDERSTORMS SHOULD INCREASE
IN NUMBER AND INTENSITY FROM SWRN LWR MI E AND NEWD ACROSS ALL OF
AREA DURING REMAINDER OF AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 24035.


...HALES

414,0862 454,0861 454,0822 414,0825

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 8:29 AM EDTMesoscale DiscussionSPCDickinson, Iron91 min
Jun 13, 12:45 PM EDTMesoscale DiscussionSPCAlger, Allegan, Antrim, Arenac, Barry, Bay and 57 more90 min
Jun 13, 3:01 PM EDTMesoscale DiscussionSPCAlcona, Allegan, Alpena, Antrim, Arenac, Barry and 55 more89 min
Jun 13, 4:29 PM EDTMesoscale DiscussionSPCGogebic, Iron2 hr
Jun 13, 7:00 PM EDTSevere Thunderstorm WatchSPCMonroe5 hr

Nearby

Tornado Watches in Michigan, 2004Every tornado watch in 2004

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.