Alert archive / Missouri / Tornado Watches in 2006

Tornado Watch 3

January 2, 200631 counties in Illinois; 34 counties in Missouri

The Storm Prediction Center issued this tornado watch at Jan 2, 2006, 2:15 AM CST for 31 counties in Illinois; 34 counties in Missouri. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jan 2, 2006, 2:15 AM CST (08:15 UTC)
Expired
Jan 2, 2006, 9:00 AM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 65 counties

Bond County, IL, Calhoun County, IL, Christian County, IL, Clay County, IL, Clinton County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Greene County, IL, Hamilton County, IL, Jackson County, IL, Jefferson County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Morgan County, IL, Perry County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Sangamon County, IL, Scott County, IL, Shelby County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Audrain County, MO, Bollinger County, MO, Boone County, MO, Butler County, MO, Callaway County, MO, Cape Girardeau County, MO, Carter County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Perry County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO, Wayne County, MO

The radar

The St Louis radar (KLSX), 35 km from the middle of the area, began a volume at 08:19 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

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

IssuedProductOfficeCountiesLasted
Jan 2, 2:24 AM CSTSevere Thunderstorm WarningLSXGasconade, Osage51 min
Jan 2, 2:31 AM CSTTornado WarningLSXFranklin, Saint Charles, Warren44 min
Jan 2, 2:42 AM CSTSevere Thunderstorm WarningLSXLincoln48 min
Jan 2, 3:03 AM CSTSevere Thunderstorm WarningLSXCalhoun, Pike42 min
Jan 2, 3:15 AM CSTTornado WarningLSXCalhoun45 min
Jan 2, 3:28 AM CSTSevere Thunderstorm WarningLSXFranklin47 min
Jan 2, 3:35 AM CSTSevere Thunderstorm WarningILXMorgan, Scott48 min
Jan 2, 3:41 AM CSTTornado WarningLSXFranklin, Saint Charles34 min
Jan 2, 3:51 AM CSTTornado WarningLSXGreene, Jersey54 min
Jan 2, 4:09 AM CSTSevere Thunderstorm WarningLSXCalhoun, Pike51 min
Jan 2, 4:09 AM CSTSevere Thunderstorm WarningLSXReynolds40 min
Jan 2, 4:32 AM CSTSevere Thunderstorm WarningLSXCalhoun, Jersey43 min
Jan 2, 4:37 AM CSTSevere Thunderstorm WarningLSXJefferson38 min
Jan 2, 4:40 AM CSTSevere Thunderstorm WarningLSXIron25 min
Jan 2, 4:44 AM CSTTornado WarningLSXCalhoun, Greene31 min
Jan 2, 4:55 AM CSTSevere Thunderstorm WarningLSXSaint Louis50 min
Jan 2, 5:12 AM CSTSevere Thunderstorm WarningLSXJefferson33 min
Jan 2, 5:18 AM CSTTornado WarningLSXSaint Louis, City of Saint Louis27 min
Jan 2, 5:40 AM CSTSevere Thunderstorm WarningLSXGreene, Macoupin34 min
Jan 2, 6:56 AM CSTSevere Thunderstorm WarningLSXBond, Madison39 min
Jan 2, 7:08 AM CSTSevere Thunderstorm WarningPAHEdwards, Jackson, Saline, Wayne, White4 hr

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 00:00Z, 8.3 hours before the alert went out and 206 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 00:00Z on 2006-01-02Temperature 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 00:00Z on 2006-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 square meters per square second.19395878Sfc1 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
632 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
193 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 020806
SEL3  
SPC WW 020806
ILZ000-MOZ000-021400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 3
NWS STORM PREDICTION CENTER NORMAN OK
205 AM CST MON JAN 2 2006

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

       SOUTHERN AND CENTRAL ILLINOIS
       EASTERN MISSOURI

EFFECTIVE THIS MONDAY MORNING FROM 205 AM UNTIL 800 AM CST.

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 95 STATUTE MILES
EAST AND WEST OF A LINE FROM 75 MILES NORTH NORTHWEST OF ALTON
ILLINOIS TO 20 MILES SOUTH OF CARBONDALE ILLINOIS.  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 2...

DISCUSSION...SEVERE THUNDERSTORMS EXPECTED TO CONTINUE
DEVELOPING/INTENSIFYING AHEAD OF STRONG UPPER LOW NOW MOVING INTO
WRN MO.  ASSOCIATED SURFACE LOW WILL SHIFT EWD ACROSS NRN MO THROUGH
DAYBREAK...WITH A SLOW NWD MOVEMENT TO WARM FRONT NOW EXTENDING E-W
NORTH OF I-70. WIND PROFILES REMAIN QUITE STRONG AND WILL SUPPORT
SUPERCELLS AND POSSIBLE TORNADOES AS STORMS ROOT NEAR THE SURFACE. 
LARGE HAIL AND DAMAGING WINDS ARE ALSO EXPECTED WITH THE STRONGER
CELLS.

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
500. MEAN STORM MOTION VECTOR 25040.


...EVANS

395,0884 372,0873 372,0905 395,0922

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 1, 10:55 PM CSTTornado WatchSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more7 hr
Jan 2, 1:25 AM CSTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Clinton and 14 more95 min
Jan 2, 3:01 AM CSTMesoscale DiscussionSPCAlexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more59 min
Jan 2, 4:31 AM CSTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 47 more59 min
Jan 2, 5:38 AM CSTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more6 hr
Jan 2, 7:14 AM CSTMesoscale DiscussionSPCBond, Cass, Champaign, Christian, Clark, Clay and 30 more31 min
Jan 2, 7:35 AM CSTTornado WatchSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 12 more4 hr
Jan 2, 7:57 AM CSTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more93 min
Jan 2, 10:21 AM CSTMesoscale DiscussionSPCClark, Crawford, Edgar, Jasper, Lawrence, Richland and 1 more84 min
Jan 2, 11:30 AM CSTMesoscale DiscussionSPCBartholomew, Brown, Clark, Clay, Crawford, Daviess and 32 more90 min
Jan 2, 11:59 AM CSTSevere Thunderstorm WatchSPCBartholomew, Boone, Brown, Clark, Clay, Crawford and 41 more7 hr
Jan 2, 12:28 PM CSTMesoscale DiscussionSPCAdams, Allen, Blackford, Carroll, Cass, Clinton and 21 more92 min
Jan 2, 2:53 PM CSTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clark, Clay, Crawford and 39 more97 min
Jan 2, 3:11 PM CSTSevere Thunderstorm WatchSPCBath, Bourbon, Clark, Estill, Fayette, Fleming and 22 more4 hr
Jan 2, 4:55 PM CSTMesoscale DiscussionSPCBath, Bell, Boyd, Breathitt, Carter, Clark and 32 more95 min
Jan 2, 5:08 PM CSTSevere Thunderstorm WatchSPCBell, Boyd, Breathitt, Carter, Clay, Elliott and 14 more5 hr
Jan 1, 7:55 PM CSTMesoscale DiscussionSPCButler, Camden, Carter, Christian, Crawford, Dallas and 23 more2 hr

Nearby

Tornado Watches in Missouri, 2006Tornado Watches in Illinois, 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.