Alert archive / Indiana / Tornado Watches in 2006

Tornado Watch 35

February 16, 200665 counties in Indiana; 13 counties in Michigan

The Storm Prediction Center issued this tornado watch at Feb 16, 2006, 4:55 PM EST for 65 counties in Indiana; 13 counties in Michigan. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 16, 2006, 4:55 PM EST (21:55 UTC)
Expired
Feb 16, 2006, 11:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 78 counties

Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Martin County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Noble County, IN, Owen County, IN, Parke County, IN, Porter County, IN, Pulaski County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Saint Joseph County, IN, Shelby County, IN, Starke County, IN, Steuben County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN, Whitley County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Eaton County, MI, Hillsdale County, MI, Ingham County, MI, Jackson County, MI, Kalamazoo County, MI, Saint Joseph County, MI, Van Buren County, MI

The radar

The Northern Indiana radar (KIWX), 63 km from the middle of the area, began a volume at 21:56 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

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

IssuedProductOfficeCountiesLasted
Feb 16, 5:26 PM ESTSevere Thunderstorm WarningIWXLaPorte49 min
Feb 16, 5:34 PM ESTSevere Thunderstorm WarningLOTPorter14 min
Feb 16, 6:23 PM ESTSevere Thunderstorm WarningIWXElkhart52 min
Feb 16, 6:40 PM ESTSevere Thunderstorm WarningIWXSaint Joseph35 min
Feb 16, 7:05 PM ESTSevere Thunderstorm WarningINDCarroll, Clinton, Howard28 min
Feb 16, 7:14 PM ESTSevere Thunderstorm WarningINDParke, Vermillion, Vigo46 min
Feb 16, 7:30 PM ESTSevere Thunderstorm WarningINDMontgomery, Parke, Putnam45 min
Feb 16, 7:50 PM ESTSevere Thunderstorm WarningINDClay, Sullivan, Vigo40 min
Feb 16, 8:02 PM ESTSevere Thunderstorm WarningINDClay, Putnam33 min
Feb 16, 8:07 PM ESTSevere Thunderstorm WarningINDBoone, Hamilton38 min
Feb 16, 8:11 PM ESTSevere Thunderstorm WarningINDClay, Owen34 min
Feb 16, 8:19 PM ESTSevere Thunderstorm WarningINDDaviess, Knox33 min
Feb 16, 8:27 PM ESTSevere Thunderstorm WarningINDBoone, Hamilton, Hendricks, Marion48 min
Feb 16, 8:29 PM ESTSevere Thunderstorm WarningINDGreene46 min
Feb 16, 8:29 PM ESTTornado WarningINDHendricks, Morgan, Putnam12 min
Feb 16, 8:41 PM ESTSevere Thunderstorm WarningINDMadison34 min
Feb 16, 8:45 PM ESTSevere Thunderstorm WarningINDMonroe, Morgan, Owen30 min
Feb 16, 8:53 PM ESTSevere Thunderstorm WarningINDDaviess, Martin37 min
Feb 16, 9:11 PM ESTSevere Thunderstorm WarningINDHancock, Johnson, Madison, Marion, Rush, Shelby32 min
Feb 16, 9:21 PM ESTSevere Thunderstorm WarningINDBrown, Lawrence, Monroe27 min
Feb 16, 9:36 PM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Jackson, Lawrence39 min
Feb 16, 9:53 PM ESTSevere Thunderstorm WarningINDRush, Shelby37 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

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 220 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, Lincoln, IL at 12:00Z on 2006-02-16Temperature 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, Lincoln, IL at 12:00Z on 2006-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 548 square meters per square second.1939587897117Sfc1 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
372 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
548 m²/s²
0-3 km storm-relative helicity
589 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS20 KWNS 162156
SEL5  
SPC WW 162156
INZ000-MIZ000-LMZ000-170400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 35
NWS STORM PREDICTION CENTER NORMAN OK
355 PM CST THU FEB 16 2006

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

       MUCH OF INDIANA
       SOUTHWEST LOWER MICHIGAN
       LAKE MICHIGAN

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1000 PM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF KALAMAZOO
MICHIGAN TO 45 MILES SOUTH SOUTHWEST OF BLOOMINGTON INDIANA.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).

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 33...WW 34...

DISCUSSION...VERY STRONG DEEP LAYER SHEAR AHEAD OF COLD FRONT AND
DEEPENING SURFACE LOW NOW LOCATED NERN IL PROVIDING SUPPORT FOR
SEVERE THUNDERSTORMS NOW ACROSS CENTRAL IL TO MOVE RAPIDLY NEWD. 
ADEQUATE MOISTURE/INSTABILITY FOR LINES/BOWS PRODUCING DAMAGING
WINDS. ISOLATED TORNADOES ALSO POSSIBLE GIVEN THE IMPRESSIVE SHEAR.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24045.


...HALES

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 16, 6:16 AM ESTMesoscale DiscussionSPCCarroll, Jo Daviess, Mercer, Ogle, Rock Island, Stephenson and 2 more5 hr
Feb 16, 10:41 AM ESTMesoscale DiscussionSPCCook, DeKalb, DuPage, Ford, Grundy, Kane and 8 more2 hr
Feb 16, 1:45 PM ESTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, DeWitt, Ford and 20 more90 min
Feb 16, 2:16 PM ESTTornado WatchSPCBond, Calhoun, Champaign, Christian, Clark, Clay and 47 more7 hr
Feb 16, 5:55 PM ESTMesoscale DiscussionSPCAlexander, Bond, Champaign, Clark, Clay, Clinton and 41 more95 min
Feb 16, 6:13 PM ESTTornado WatchSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more6 hr
Feb 16, 6:59 PM ESTMesoscale DiscussionSPCCrawford61 min
Feb 16, 4:26 PM ESTMesoscale DiscussionSPCAllen, Benton, Blackford, Boone, Carroll, Cass and 41 more94 min
Feb 15, 11:40 PM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 35 more5 hr
Feb 16, 11:06 AM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 45 more6 hr

Nearby

Tornado Watches in Indiana, 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.