Alert archive / Ohio / Tornado Watches in 2006

Tornado Watch 83

March 13, 20067 counties in Michigan; 12 counties in Ohio

The Storm Prediction Center issued this tornado watch at Mar 13, 2006, 3:51 AM EST for 7 counties in Michigan; 12 counties in Ohio. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 13, 2006, 3:51 AM EST (08:51 UTC)
Expired
Mar 13, 2006, 10:58 AM EST
In force
7 hr
Issued by
the Storm Prediction Center

Counties Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Washtenaw County, MI, Wayne County, MI, Defiance County, OH, Fulton County, OH, Hancock County, OH, Henry County, OH, Lucas County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Williams County, OH, Wood County, OH

The radar

The Detroit radar (KDTX), 53 km from the middle of the area, began a volume at 08:54 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

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

IssuedProductOfficeCountiesLasted
Mar 13, 4:47 AM ESTSevere Thunderstorm WarningDTXWashtenaw38 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 00:00Z, 8.9 hours before the alert went out and 55 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 00:00Z on 2006-03-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2006-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897117136Sfc1 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
523 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
155 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 130854
SEL3  
SPC WW 130854
MIZ000-OHZ000-LEZ000-131600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 83
NWS STORM PREDICTION CENTER NORMAN OK
350 AM EST MON MAR 13 2006

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

       SOUTHEASTERN LOWER MICHIGAN
       EXTREME NORTHWEST OHIO
       LAKE ERIE

EFFECTIVE THIS MONDAY MORNING FROM 350 AM UNTIL 1100 AM EST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE MILES
EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHWEST OF MOUNT
CLEMENS MICHIGAN TO 35 MILES SOUTH OF TOLEDO OHIO.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU3).

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 77...WW 78...WW 79...WW
80...WW 81...WW 82...

DISCUSSION...SURFACE WARM FRONT IS LOCATED NEAR THE SRN LOWER MI/OH
BORDER AND WILL SHIFT NWD DURING THE MORNING AS THE SURFACE LOW IN
ERN IA MOVES NEWD INTO SRN WI. ALTHOUGH THE BOUNDARY LAYER IS
SOMEWHAT STABLE...DEEP LAYER SHEAR AND ELEVATED INSTABILITY ARE
FAVORABLE FOR SUPERCELLS WITH HAIL AND DAMAGING WINDS. HOWEVER...THE
BOUNDARY LAYER WILL GRADUALLY DESTABILIZE AS THE WARM FRONT MOVES
NWD WITH AN INCREASING THREAT FOR TORNADOES DURING THE MORNING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 25035.


...IMY

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 11:39 PM ESTMesoscale DiscussionSPCBranch, Cass, Saint Joseph96 min
Mar 13, 12:23 AM ESTTornado WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 7 more7 hr
Mar 13, 3:16 AM ESTMesoscale DiscussionSPCBarry, Bay, Branch, Calhoun, Clinton, Eaton and 26 more89 min
Mar 13, 8:57 AM ESTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Marquette and 1 more5 hr
Mar 13, 10:39 AM ESTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 20 more66 min
Mar 13, 10:44 AM ESTTornado WatchSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 22 more5 hr
Mar 13, 3:19 PM ESTMesoscale DiscussionSPCLapeer, Macomb, Monroe, Oakland, Wayne56 min
Mar 13, 11:22 AM ESTSevere Thunderstorm WatchSPCAdams, Ashland, Ashtabula, Athens, Auglaize, Brown and 64 more10 hr
Mar 13, 3:13 PM ESTMesoscale DiscussionSPCAdams, Ashland, Ashtabula, Athens, Belmont, Brown and 68 more92 min

Nearby

Tornado Watches in Ohio, 2006Tornado Watches in Michigan, 2006Every tornado watch in 2006

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.