Alert archive / Illinois / Tornado Watches in 2006
Tornado Watch 6
The Storm Prediction Center issued this tornado watch at Jan 2, 2006, 7:35 AM CST for 18 counties in Illinois; 15 counties in Indiana. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 2, 2006, 7:35 AM CST (13:35 UTC)
- Expired
- Jan 2, 2006, 12:00 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Champaign County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Macon County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Shelby County, IL, Vermilion County, IL, Clay County, IN, Daviess County, IN, Fountain County, IN, Greene County, IN, Knox County, IN, Martin County, IN, Montgomery County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Sullivan County, IN, Tippecanoe County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN
The radar
The Lincoln radar (KILX), 129 km from the middle of the area, began a volume at 13:36 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 9:15 AM CST | Severe Thunderstorm Warning | ILX | Clay | 32 min |
| Jan 2, 11:04 AM CST | Severe Thunderstorm Warning | IND | Sullivan, Vigo | 41 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, 1.6 hours before the alert went out and 83 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.
- Mixed-layer CAPE
- 775 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 021335
SEL6
SPC WW 021335
ILZ000-INZ000-021800-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 6
NWS STORM PREDICTION CENTER NORMAN OK
735 AM CST MON JAN 2 2006
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EAST CENTRAL ILLINOIS
WEST CENTRAL INDIANA
EFFECTIVE THIS MONDAY MORNING FROM 735 AM UNTIL NOON 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 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES NORTH OF SALEM ILLINOIS TO
35 MILES EAST NORTHEAST OF TERRE HAUTE INDIANA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU6).
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 3...WW 4...WW 5...
DISCUSSION...BROKEN LINE OF STORMS WILL CONTINUE MOVING STEADILY
NEWD ACROSS WW INTO THE EARLY TO MID AFTERNOON. VERY STEEP LAPSE
RATES AND EFFECTIVE BULK SHEAR AROUND 40 KT WILL SUPPORT AT LEAST
ELEVATED SUPERCELLS WITH ISOLATED LARGE HAIL. AS SURFACE HEATING
AND NOSE OF GREATER INSTABILITY AXIS EXTENDS NWD INTO ERN IL/WRN IND
LATER THIS MORNING...STORMS WILL BE CAPABLE OF BECOMING SURFACE
BASED WITH INCREASED THREATS OF DAMAGING WINDS AND TORNADOES.
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 23035.
...EVANS
400,0885 402,0864 384,0864 381,0885SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 10:55 PM CST | Tornado Watch | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more | 7 hr |
| Jan 2, 1:25 AM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Clinton and 14 more | 95 min |
| Jan 2, 2:15 AM CST | Tornado Watch | SPC | Bond, Calhoun, Christian, Clay, Clinton, Edwards and 25 more | 7 hr |
| Jan 2, 3:01 AM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more | 59 min |
| Jan 2, 4:31 AM CST | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 47 more | 59 min |
| Jan 2, 5:38 AM CST | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 6 hr |
| Jan 2, 7:14 AM CST | Mesoscale Discussion | SPC | Bond, Cass, Champaign, Christian, Clark, Clay and 30 more | 31 min |
| Jan 2, 7:57 AM CST | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 93 min |
| Jan 2, 10:21 AM CST | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Jasper, Lawrence, Richland and 1 more | 84 min |
| Jan 2, 11:30 AM CST | Mesoscale Discussion | SPC | Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 32 more | 90 min |
| Jan 2, 11:59 AM CST | Severe Thunderstorm Watch | SPC | Bartholomew, Boone, Brown, Clark, Clay, Crawford and 41 more | 7 hr |
| Jan 2, 12:28 PM CST | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Carroll, Cass, Clinton and 21 more | 92 min |
| Jan 2, 2:53 PM CST | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clark, Clay, Crawford and 39 more | 97 min |
Nearby
Tornado Watches in Illinois, 2006Tornado Watches in Indiana, 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.