Alert archive / Missouri / Tornado Watches in 2007
Tornado Watch 38
The Storm Prediction Center issued this tornado watch at Feb 28, 2007, 7:10 PM CST for Bourbon County, Linn County, Miami County, Kansas; 12 counties in Missouri. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 28, 2007, 7:10 PM CST (01:10 UTC)
- Expired
- Mar 1, 2007, 1:47 AM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Bourbon County, KS, Linn County, KS, Miami County, KS, Bates County, MO, Benton County, MO, Cass County, MO, Cedar County, MO, Cooper County, MO, Henry County, MO, Hickory County, MO, Johnson County, MO, Morgan County, MO, Pettis County, MO, St. Clair County, MO, Vernon County, MO
The radar
The Pleasant Hill radar (KEAX), 48 km from the middle of the area, began a volume at 01:13 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
- 60%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 7:11 PM CST | Tornado Warning | EAX | Linn | 64 min |
| Feb 28, 7:26 PM CST | Severe Thunderstorm Warning | EAX | Linn | 49 min |
| Feb 28, 7:52 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Miami | 38 min |
| Feb 28, 7:57 PM CST | Flash Flood Warning | EAX | Johnson, Leavenworth, Miami, Wyandotte | 8 hr |
| Feb 28, 8:04 PM CST | Tornado Warning | EAX | Linn | 56 min |
| Feb 28, 8:15 PM CST | Severe Thunderstorm Warning | EAX | Bates, Cass | 45 min |
| Feb 28, 8:29 PM CST | Tornado Warning | EAX | Miami | 61 min |
| Feb 28, 8:44 PM CST | Tornado Warning | EAX | Bates, Cass, Henry, Johnson | 61 min |
| Feb 28, 9:18 PM CST | Tornado Warning | EAX | Cass | 57 min |
| Feb 28, 9:25 PM CST | Tornado Warning | EAX | Henry, Johnson, Pettis | 65 min |
| Feb 28, 9:30 PM CST | Flash Flood Warning | EAX | Miami | 10 hr |
| Feb 28, 9:30 PM CST | Flash Flood Warning | EAX | Johnson, Linn, Miami | 10 hr |
| Feb 28, 9:41 PM CST | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson | 34 min |
| Feb 28, 10:06 PM CST | Tornado Warning | EAX | Johnson | 39 min |
| Feb 28, 10:18 PM CST | Tornado Warning | EAX | Cooper, Pettis | 29 min |
| Feb 28, 10:20 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Lafayette | 40 min |
| Feb 28, 10:41 PM CST | Tornado Warning | EAX | Johnson, Pettis | 49 min |
| Feb 28, 11:11 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Miami | 34 min |
| Feb 28, 11:13 PM CST | Tornado Warning | EAX | Cooper, Howard, Pettis, Saline | 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
Topeka, KS (KTOP), launched 00:00Z, 1.2 hours before the alert went out and 139 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2552 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 110 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 010109
SEL8
SPC WW 010109
KSZ000-MOZ000-010900-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 38
NWS STORM PREDICTION CENTER NORMAN OK
710 PM CST WED FEB 28 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EXTREME EAST CENTRAL KANSAS
WEST CENTRAL MISSOURI
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 710 PM
UNTIL 300 AM CST.
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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES WEST NORTHWEST OF
KNOB NOSTER MISSOURI TO 80 MILES SOUTH SOUTHWEST OF KNOB NOSTER
MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
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 36...WW 37...
DISCUSSION...ISOLATED TORNADIC SUPERCELL WILL LIKELY PERSIST FOR
SEVERAL MORE HOURS WHILE MOVING ENEWD INTO W CENTRAL MO ALONG THE
NRN FRINGE OF THE MOIST SECTOR. BOUNDARY LAYER DEWPOINTS SHOULD
CONTINUE TO SLOWLY INCREASE INTO THE MID 50S THIS AREA AS LOW-LEVEL
SHEAR ALSO INTENSIFIES...THUS MAINTAINING A FAVORABLE
SUPERCELL/TORNADO ENVIRONMENT WELL INTO THE OVERNIGHT HOURS.
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
450. MEAN STORM MOTION VECTOR 26035.
...THOMPSONSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 6:11 PM CST | Mesoscale Discussion | SPC | Wyandotte | 94 min |
| Feb 28, 6:37 PM CST | Severe Thunderstorm Watch | SPC | Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 5 more | 7 hr |
| Feb 28, 6:50 PM CST | Mesoscale Discussion | SPC | Bourbon, Cherokee, Crawford, Linn, Miami | 85 min |
| Feb 28, 7:46 PM CST | Mesoscale Discussion | SPC | Butler, Cowley | 89 min |
| Feb 28, 9:48 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Crawford, Douglas, Franklin and 3 more | 87 min |
| Feb 28, 10:57 PM CST | Mesoscale Discussion | SPC | Chautauqua, Cowley, Elk | 93 min |
| Mar 1, 1:32 AM CST | Tornado Watch | SPC | Bourbon, Cherokee, Crawford, Labette, Linn, Neosho | 6 hr |
| Feb 28, 10:30 PM CST | Mesoscale Discussion | SPC | Audrain, Clark, Knox, Lewis, Marion, Monroe and 3 more | 90 min |
| Feb 28, 11:48 PM CST | Mesoscale Discussion | SPC | Audrain, Lewis, Lincoln, Marion, Monroe, Montgomery and 3 more | 57 min |
| Mar 1, 12:12 AM CST | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Howell and 15 more | 2 hr |
| Mar 1, 12:16 AM CST | Severe Thunderstorm Watch | SPC | Audrain, Boone, Callaway, Knox, Lewis, Lincoln and 7 more | 6 hr |
| Mar 1, 2:28 AM CST | Mesoscale Discussion | SPC | Audrain, Boone, Callaway, Cole, Knox, Lewis and 8 more | 92 min |
| Mar 1, 3:35 AM CST | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 27 more | 55 min |
| Mar 1, 3:58 AM CST | Tornado Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Cole, Crawford and 35 more | 8 hr |
Nearby
Tornado Watches in Missouri, 2007Tornado Watches in Kansas, 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.