Alert archive / Kansas / Tornado Watches in 2006
Tornado Watch 839
The Storm Prediction Center issued this tornado watch at Oct 26, 2006, 4:44 PM CDT for 11 counties in Kansas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 26, 2006, 4:44 PM CDT (21:44 UTC)
- Expired
- Oct 26, 2006, 9:00 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Barber County, KS, Clark County, KS, Comanche County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Kiowa County, KS, Meade County, KS, Pratt County, KS, Seward County, KS
The radar
The Dodge City radar (KDDC), 35 km from the middle of the area, began a volume at 21:48 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 10%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 4:47 PM CDT | Tornado Warning | DDC | Ford | 43 min |
| Oct 26, 5:00 PM CDT | Tornado Warning | DDC | Clark | 45 min |
| Oct 26, 5:05 PM CDT | Tornado Warning | DDC | Grant | 40 min |
| Oct 26, 5:15 PM CDT | Tornado Warning | DDC | Haskell | 45 min |
| Oct 26, 5:28 PM CDT | Tornado Warning | DDC | Ford | 47 min |
| Oct 26, 5:39 PM CDT | Tornado Warning | DDC | Clark, Kiowa | 51 min |
| Oct 26, 5:55 PM CDT | Tornado Warning | DDC | Meade | 50 min |
| Oct 26, 5:58 PM CDT | Tornado Warning | DDC | Haskell, Seward | 47 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
Dodge City, (KDDC), launched 12:00Z, 9.7 hours before the alert went out and 40 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
- 53 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 262139
SEL9
SPC WW 262139
KSZ000-270200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 839
NWS STORM PREDICTION CENTER NORMAN OK
440 PM CDT THU OCT 26 2006
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST KANSAS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 440 PM UNTIL
900 PM CDT.
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 30 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTHWEST OF
LIBERAL KANSAS TO 15 MILES NORTHEAST OF MEDICINE LODGE KANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).
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.
DISCUSSION...LOW-TOPPED CONVECTION WILL CONTINUE DEVELOPING EWD
ALONG SURFACE FRONT JUST N OF OK/KS BORDER. SUFFICIENT LOW-LEVEL
LAPSE RATES/BUOYANCY WILL COMBINE WITH STRONG VERTICAL VORTICITY
ALONG THE BOUNDARY TO SUPPORT A THREAT FOR TORNADOES FOR THE NEXT
FEW HOURS. VERTICAL SHEAR WILL BE STRONGER ACROSS THE ERN PORTION
OF THE WATCH AREA...WHERE THE THREAT FOR SUPERCELLS WILL BE GREATER.
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 350.
MEAN STORM MOTION VECTOR 27020.
...THOMPSONSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 4:03 PM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Harper, Sumner | 87 min |
Nearby
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.