Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 573
NWS STORM PREDICTION CENTER NORMAN OK
550 AM CDT SUN JUL 12 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST KANSAS
NORTHWEST MISSOURI
EFFECTIVE THIS SUNDAY MORNING FROM 550 AM UNTIL 1000 AM CDT.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES EITHER SIDE OF A LINE FROM 15 MILES WEST SOUTHWEST
OF MANHATTAN KANSAS TO 60 MILES EAST SOUTHEAST OF KANSAS CITY
MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
DISCUSSION...WELL ORGANIZED LINEAR MCS IS EXPECTED TO CONTINUE
MOVING AT 40-50 MPH ACROSS WW THROUGH THE EARLY MORNING ALONG AXIS
OF STRONG INSTABILITY. ACTIVITY SHOULD TEND TO SHIFT A BIT MORE
SEWD WITH TIME. STRONGER CORES WITHIN THE LINE MAY BE CAPABLE OF
LARGE HAIL AND ISOLATED DAMAGING WINDS...ALTHOUGH A GREATER THREAT
COULD EVOLVE WITH MORE ORGANIZED STRONG-SEVERE OUTFLOW WINDS GIVEN
THE VERY ORGANIZED NATURE AND FAST MOTION OF THE LINE.
AVIATION...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 28040.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 573 SEVERE TSTM KS MO 121050Z - 121500Z
AXIS..50 STATUTE MILES EITHER SIDE OF LINE..
15WSW MHK/MANHATTAN KS/ - 60ESE MKC/KANSAS CITY MO/
..AVIATION COORDS.. 45NM EITHER SIDE /33ENE SLN - 53NE BUM/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28040.
LAT...LON 39779683 39499347 38049366 38339702
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 573 Status Report Messages:
STATUS REPORT #3 ON WW 573
VALID 121440Z - 121500Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SSE OJC
TO 25 NNW SZL TO 15 N SZL.
REMAINING VALID PORTION OF WW 573 MAY BE ALLOWED TO EXPIRE AT
12/15Z.
..KERR..07/12/09
ATTN...WFO...TOP...EAX...
&&
STATUS REPORT FOR WS 573
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MOC013-083-101-107-121500-
MO
. MISSOURI COUNTIES INCLUDED ARE
BATES HENRY JOHNSON
LAFAYETTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 573
VALID 121340Z - 121440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNE CNU
TO 15 SW STJ.
..KERR..07/12/09
ATTN...WFO...TOP...EAX...
&&
STATUS REPORT FOR WS 573
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC005-091-103-107-121-209-121440-
KS
. KANSAS COUNTIES INCLUDED ARE
ATCHISON JOHNSON LEAVENWORTH
LINN MIAMI WYANDOTTE
$$
MOC013-037-047-083-095-101-107-165-121440-
MO
. MISSOURI COUNTIES INCLUDED ARE
BATES CASS CLAY
HENRY JACKSON JOHNSON
LAFAYETTE PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 573
VALID 121235Z - 121340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SW MHK TO
25 SW TOP TO 15 NNE TOP TO 30 SSW FNB.
..PETERS..07/12/09
ATTN...WFO...TOP...EAX...
&&
STATUS REPORT FOR WS 573
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC003-005-031-045-059-087-091-103-107-111-121-127-139-177-197-
209-121340-
KS
. KANSAS COUNTIES INCLUDED ARE
ANDERSON ATCHISON COFFEY
DOUGLAS FRANKLIN JEFFERSON
JOHNSON LEAVENWORTH LINN
LYON MIAMI MORRIS
OSAGE SHAWNEE WABAUNSEE
WYANDOTTE
$$
MOC013-037-047-083-095-101-107-165-121340-
MO
. MISSOURI COUNTIES INCLUDED ARE
BATES CASS CLAY
HENRY JACKSON JOHNSON
LAFAYETTE PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.