Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 478
NWS Storm Prediction Center Norman OK
840 AM CDT Mon Aug 31 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far eastern Kansas
West-central to southern Missouri
* Effective this Monday morning and afternoon from 840 AM until
200 PM CDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A cluster of strong to locally severe storms over the
Kansas City metro area should persist southeast and potentially
intensify as it spreads into the Ozarks area through early
afternoon. Damaging winds should be the primary hazard.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 95 miles north northwest
of Springfield MO to 25 miles west southwest of West Plains MO. For
a complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 477...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30030.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 478 SEVERE TSTM KS MO 311340Z - 311900Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
95NNW SGF/SPRINGFIELD MO/ - 25WSW UNO/WEST PLAINS MO/
..AVIATION COORDS.. 50NM E/W /24ENE BUM - 67SE SGF/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 30030.
LAT...LON 38489294 36619120 36619337 38489516
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 478 Status Report Messages:
STATUS REPORT #4 ON WW 478
VALID 311800Z - 311940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 WNW HRO
TO 20 NW SGF TO 30 SSW TBN TO 45 SE VIH.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1654.
..LEITMAN..08/31/20
ATTN...WFO...SGF...EAX...
&&
STATUS REPORT FOR WS 478
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MOC043-065-067-077-091-149-153-203-209-213-215-225-229-311940-
MO
. MISSOURI COUNTIES INCLUDED ARE
CHRISTIAN DENT DOUGLAS
GREENE HOWELL OREGON
OZARK SHANNON STONE
TANEY TEXAS WEBSTER
WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 478
VALID 311635Z - 311740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 E CNU TO
45 NW SGF TO 40 N SGF TO 35 WNW TBN TO 10 NNW VIH.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1652.
..LEITMAN..08/31/20
ATTN...WFO...SGF...EAX...
&&
STATUS REPORT FOR WS 478
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC037-311740-
KS
. KANSAS COUNTIES INCLUDED ARE
CRAWFORD
$$
MOC009-011-029-043-057-059-065-067-077-091-097-105-109-125-131-
145-149-153-161-167-169-203-209-213-215-225-229-311740-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY BARTON CAMDEN
CHRISTIAN DADE DALLAS
DENT DOUGLAS GREENE
HOWELL JASPER LACLEDE
LAWRENCE MARIES MILLER
NEWTON OREGON OZARK
PHELPS POLK PULASKI
SHANNON STONE TANEY
TEXAS WEBSTER WRIGHT
$$
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.
$$
STATUS REPORT #2 ON WW 478
VALID 311545Z - 311640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NE CNU TO
50 SSW SZL TO 40 SE SZL TO 25 W JEF.
..LEITMAN..08/31/20
ATTN...WFO...SGF...EAX...
&&
STATUS REPORT FOR WS 478
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC011-037-311640-
KS
. KANSAS COUNTIES INCLUDED ARE
BOURBON CRAWFORD
$$
MOC009-011-029-039-043-057-059-065-067-077-085-091-097-105-109-
125-131-141-145-149-153-161-167-169-185-203-209-213-215-217-225-
229-311640-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY BARTON CAMDEN
CEDAR CHRISTIAN DADE
DALLAS DENT DOUGLAS
GREENE HICKORY HOWELL
JASPER LACLEDE LAWRENCE
MARIES MILLER MORGAN
NEWTON OREGON OZARK
PHELPS POLK PULASKI
ST. CLAIR SHANNON STONE
TANEY TEXAS VERNON
WEBSTER WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 478
VALID 311445Z - 311540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNE CNU
TO 35 SE OJC TO 20 NNW SZL.
..LEITMAN..08/31/20
ATTN...WFO...SGF...EAX...
&&
STATUS REPORT FOR WS 478
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC011-037-107-311540-
KS
. KANSAS COUNTIES INCLUDED ARE
BOURBON CRAWFORD LINN
$$
MOC009-011-013-015-029-039-043-057-059-065-067-077-083-085-091-
097-101-105-109-125-131-141-145-149-153-159-161-167-169-185-203-
209-213-215-217-225-229-311540-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY BARTON BATES
BENTON CAMDEN CEDAR
CHRISTIAN DADE DALLAS
DENT DOUGLAS GREENE
HENRY HICKORY HOWELL
JASPER JOHNSON LACLEDE
LAWRENCE MARIES MILLER
MORGAN NEWTON OREGON
OZARK PETTIS PHELPS
POLK PULASKI ST. CLAIR
SHANNON STONE TANEY
TEXAS VERNON WEBSTER
WRIGHT
$$
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 (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
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 (80%)
|
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% (EF2-EF5 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.
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