Alert archive / Kansas / Tornado Watches in 2004
Tornado Watch 454
The Storm Prediction Center issued this tornado watch at Jun 12, 2004, 8:15 PM CDT for 12 counties in Kansas; Barton County, Jasper County, Vernon County, Missouri. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2004, 8:15 PM CDT (01:15 UTC)
- Expired
- Jun 12, 2004, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
Counties Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Jasper County, MO, Vernon County, MO
The radar
The Pleasant Hill radar (KEAX), 139 km from the middle of the area, began a volume at 01:19 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 8:18 PM CDT | Severe Thunderstorm Warning | ICT | Woodson | 42 min |
| Jun 12, 8:31 PM CDT | Severe Thunderstorm Warning | ICT | Allen, Neosho | 59 min |
| Jun 12, 8:58 PM CDT | Severe Thunderstorm Warning | SGF | Bourbon, Crawford | 62 min |
| Jun 12, 9:15 PM CDT | Tornado Warning | ICT | Elk | 60 min |
| Jun 12, 9:50 PM CDT | Severe Thunderstorm Warning | ICT | Greenwood | 55 min |
| Jun 12, 10:15 PM CDT | Tornado Warning | ICT | Elk | 60 min |
| Jun 12, 10:19 PM CDT | Tornado Warning | ICT | Wilson | 56 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
Springfield, MO (KSGF), launched 00:00Z, 1.3 hours before the alert went out and 136 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
- 1066 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 130116
SEL4
SPC WW 130115
KSZ000-MOZ000-130400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 454
NWS STORM PREDICTION CENTER NORMAN OK
815 PM CDT SAT JUN 12 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EXTREME SOUTHEAST KANSAS
A SMALL PART OF SOUTHWEST MISSOURI
EFFECTIVE THIS SATURDAY EVENING FROM 815 PM UNTIL 1100 PM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES NORTH NORTHEAST OF CHANUTE KANSAS TO 40
MILES WEST SOUTHWEST OF JOPLIN MISSOURI.
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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 449. WATCH NUMBER 449 WILL NOT BE IN
EFFECT AFTER 815 PM CDT. CONTINUE...WW 448...WW 450...WW 451...WW
453...
DISCUSSION...SUPERCELLS NOW SE OF ICT EXPECTED TO CONTINUE E ACROSS
EXTREME SE KS LATER THIS EVENING. LOW LEVEL STORM ROTATION MAY BE
ENHANCED AS STORMS ENCOUNTER RESIDUAL OUTFLOW BNDRY ORIENTED NNW/SSE
ACROSS EXTREME ERN KS. ACTIVITY MAY ALSO DEVELOP E OF OUTFLOW BNDRY
LATER TONIGHT AS LOW LEVEL JET VEERS AND STRENGTHENS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 27025.
...CORFIDI
381,0940 365,0940 365,0961 381,0961SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 7:58 PM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 3 more | 62 min |
| Jun 12, 7:59 PM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 3 more | 61 min |
| Jun 12, 9:06 PM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Barton, Brown, Chase, Clay and 36 more | 84 min |
| Jun 12, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 40 more | 5 hr |
| Jun 12, 11:47 PM CDT | Mesoscale Discussion | SPC | Cherokee | 88 min |
| Jun 13, 1:44 AM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Butler, Chase, Chautauqua, Cherokee and 18 more | 91 min |
| Jun 13, 2:46 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Doniphan, Jackson, Jefferson and 4 more | 119 min |
| Jun 13, 6:54 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Marshall, Nemaha | 66 min |
| Jun 13, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Holt, Nodaway | 5 hr |
Nearby
Tornado Watches in Kansas, 2004Tornado Watches in Missouri, 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.