Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 440
NWS Storm Prediction Center Norman OK
850 PM CDT Fri Aug 14 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Kansas
* Effective this Friday night and Saturday morning from 850 PM
until 100 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...A cluster of storms across north-central Kansas at
mid-evening should continue to develop generally southward and
continue to pose a large hail/isolated damaging wind gust threat
through late evening.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 20 miles south
southwest of Russell KS to 20 miles east northeast of Salina KS. For
a complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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 438...WW 439...
AVIATION...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 600. Mean storm motion vector
36020.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 440 SEVERE TSTM KS 150150Z - 150600Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
20SSW RSL/RUSSELL KS/ - 20ENE SLN/SALINA KS/
..AVIATION COORDS.. 30NM N/S /66WSW SLN - 15E SLN/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 600. MEAN STORM MOTION VECTOR 36020.
LAT...LON 39099896 39419731 38399731 38099896
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 440 Status Report Messages:
STATUS REPORT #1 ON WW 440
VALID 150400Z - 150540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW RSL
TO 10 NE RSL TO 35 WNW SLN TO 10 NE SLN TO 30 E SLN.
..BENTLEY..08/15/20
ATTN...WFO...ICT...
&&
STATUS REPORT FOR WS 440
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC009-053-105-113-159-167-169-150540-
KS
. KANSAS COUNTIES INCLUDED ARE
BARTON ELLSWORTH LINCOLN
MCPHERSON RICE RUSSELL
SALINE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (30%)
|
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% (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.