Alert archive / Missouri / Tornado Watches in 2007
Tornado Watch 714
The Storm Prediction Center issued this tornado watch at Oct 17, 2007, 5:30 PM CDT for 59 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 17, 2007, 5:30 PM CDT (22:30 UTC)
- Expired
- Oct 17, 2007, 11:40 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 59 counties
Audrain County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Howell County, MO, Jasper County, MO, Johnson County, MO, Knox County, MO, Laclede County, MO, Lawrence County, MO, Lewis County, MO, Macon County, MO, Maries County, MO, Marion County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Saline County, MO, Shannon County, MO, Shelby County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 72 km from the middle of the area, began a volume at 22:30 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
- 40%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 5:30 PM CDT | Flash Flood Warning | EAX | Henry, Johnson, Lafayette, Pettis, Saline | 6 hr |
| Oct 17, 5:34 PM CDT | Tornado Warning | SGF | Lawrence | 41 min |
| Oct 17, 5:52 PM CDT | Severe Thunderstorm Warning | SGF | Barton | 53 min |
| Oct 17, 6:02 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, St. Clair, Vernon | 58 min |
| Oct 17, 6:03 PM CDT | Tornado Warning | SGF | Christian, Greene | 57 min |
| Oct 17, 6:08 PM CDT | Tornado Warning | SGF | Barton, Cedar, Vernon | 43 min |
| Oct 17, 6:19 PM CDT | Severe Thunderstorm Warning | EAX | Pettis, Saline | 41 min |
| Oct 17, 6:34 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 41 min |
| Oct 17, 6:38 PM CDT | Tornado Warning | SGF | Polk | 34 min |
| Oct 17, 6:39 PM CDT | Tornado Warning | SGF | St. Clair, Vernon | 21 min |
| Oct 17, 6:44 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 31 min |
| Oct 17, 6:50 PM CDT | Severe Thunderstorm Warning | LSX | Knox, Lewis, Shelby | 55 min |
| Oct 17, 7:02 PM CDT | Flash Flood Warning | EAX | Adair, Chariton, Howard, Linn, Macon, Randolph and 1 more | 6 hr |
| Oct 17, 8:49 PM CDT | Severe Thunderstorm Warning | SGF | Jasper, McDonald, Newton | 56 min |
| Oct 17, 9:34 PM CDT | Severe Thunderstorm Warning | SGF | Barton, Cedar, Dade, Jasper, St. Clair, Vernon | 56 min |
| Oct 17, 9:38 PM CDT | Severe Thunderstorm Warning | SGF | Barry, Jasper, Lawrence, McDonald, Newton | 67 min |
| Oct 17, 9:49 PM CDT | Severe Thunderstorm Warning | SGF | Oregon | 42 min |
| Oct 17, 9:57 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Hickory, Polk, St. Clair | 63 min |
| Oct 17, 10:05 PM CDT | Severe Thunderstorm Warning | SGF | Greene | 70 min |
| Oct 17, 10:12 PM CDT | Severe Thunderstorm Warning | SGF | Christian | 33 min |
| Oct 17, 10:21 PM CDT | Severe Thunderstorm Warning | SGF | Ozark | 54 min |
| Oct 17, 10:40 PM CDT | Severe Thunderstorm Warning | SGF | Christian, Stone, Taney | 70 min |
| Oct 17, 10:42 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Howard, Pettis | 33 min |
| Oct 17, 10:50 PM CDT | Severe Thunderstorm Warning | SGF | Dallas, Webster | 55 min |
| Oct 17, 10:52 PM CDT | Severe Thunderstorm Warning | SGF | Douglas, Howell | 53 min |
| Oct 17, 11:19 PM CDT | Severe Thunderstorm Warning | SGF | Laclede, Wright | 43 min |
| Oct 17, 11:22 PM CDT | Severe Thunderstorm Warning | SGF | Shannon, Texas | 53 min |
| Oct 17, 11:24 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau, Monroe | 51 min |
| Oct 17, 11:40 PM CDT | Severe Thunderstorm Warning | SGF | Pulaski, Texas | 55 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 12:00Z, 10.5 hours before the alert went out and 117 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
- 389 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 632 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 172229
SEL4
SPC WW 172229
KSZ000-MOZ000-180600-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 714
NWS STORM PREDICTION CENTER NORMAN OK
530 PM CDT WED OCT 17 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST KANSAS
MUCH OF MISSOURI
EFFECTIVE THIS WEDNESDAY AFTERNOON AND THURSDAY MORNING FROM 530
PM UNTIL 100 AM CDT.
TORNADOES...HAIL TO 2 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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTHEAST OF MONETT
MISSOURI TO 70 MILES NORTH OF COLUMBIA MISSOURI. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU4).
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 TORNADO
WATCH NUMBER 709. WATCH NUMBER 709 WILL NOT BE IN EFFECT AFTER
530 PM CDT. CONTINUE...WW 710...WW 711...WW 712...WW 713...
DISCUSSION...BROKEN LINE OF STRONG/SEVERE THUNDERSTORMS EXTENDS FROM
SOUTHWEST INTO NORTH CENTRAL MO...WHILE NEW STORMS ARE BEGINNING TO
FORM AHEAD OF LINE. ACTIVITY WILL LIKELY AFFECT MUCH OF MO THROUGH
THE EVENING AS VIGOROUS UPPER TROUGH SWEEPS ACROSS REGION.
SUPERCELLS CAPABLE OF TORNADOES...DAMAGING WINDS...AND HAIL ARE
POSSIBLE.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.
...HARTSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 4:29 PM CDT | Mesoscale Discussion | SPC | Adams, Calhoun, Jersey, Monroe, Pike | 31 min |
| Oct 17, 4:07 AM CDT | Mesoscale Discussion | SPC | Barton, Bates, Cass, Cedar, Dade, Greene and 8 more | 113 min |
| Oct 17, 10:24 AM CDT | Mesoscale Discussion | SPC | Barry, Barton, Bates, Benton, Cass, Cedar and 14 more | 96 min |
| Oct 17, 10:43 AM CDT | Tornado Watch | SPC | Barry, Barton, Bates, Benton, Cedar, Christian and 16 more | 7 hr |
| Oct 17, 6:23 PM CDT | Mesoscale Discussion | SPC | Platte | 37 min |
| Oct 16, 10:36 PM CDT | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson, Roger Mills | 114 min |
| Oct 17, 1:12 AM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Dewey, Ellis, Harmon, Harper and 4 more | 93 min |
| Oct 17, 1:36 AM CDT | Tornado Watch | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more | 7 hr |
| Oct 17, 1:44 AM CDT | Severe Thunderstorm Watch | SPC | Beaver, Texas | 7 hr |
| Oct 17, 6:07 AM CDT | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more | 113 min |
| Oct 17, 6:50 AM CDT | Mesoscale Discussion | SPC | Beaver, Texas | 100 min |
| Oct 17, 7:43 AM CDT | Tornado Watch | SPC | Blaine, Caddo, Canadian, Carter, Cleveland, Comanche and 33 more | 7 hr |
| Oct 17, 1:20 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Cherokee, Choctaw, Coal, Creek and 25 more | 85 min |
| Oct 17, 2:25 PM CDT | Tornado Watch | SPC | Alfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 44 more | 8 hr |
| Oct 17, 4:31 PM CDT | Tornado Watch | SPC | Adair, Cherokee, Craig, Delaware, Haskell, LeFlore and 9 more | 7 hr |
Nearby
Tornado Watches in Missouri, 2007Every tornado watch in 2007
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.