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 198
NWS Storm Prediction Center Norman OK
315 PM CDT Thu May 21 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Kansas
Oklahoma Panhandle
* Effective this Thursday afternoon and evening from 315 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Scattered intense thunderstorms are expected to develop
this afternoon across western Kansas, and possibly build southward
into the Oklahoma Panhandle. Very large hail is the main threat,
with an increasing risk of damaging wind gusts this evening.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 50 miles east northeast
of Goodland KS to 25 miles south of Liberal KS. 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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
...Hart
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 198
NWS Storm Prediction Center Norman OK
315 PM CDT Thu May 21 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Kansas
Oklahoma Panhandle
* Effective this Thursday afternoon and evening from 315 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Scattered intense thunderstorms are expected to develop
this afternoon across western Kansas, and possibly build southward
into the Oklahoma Panhandle. Very large hail is the main threat,
with an increasing risk of damaging wind gusts this evening.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 50 miles east northeast
of Goodland KS to 25 miles south of Liberal KS. 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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 198 SEVERE TSTM KS OK 212015Z - 220300Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
50ENE GLD/GOODLAND KS/ - 25S LBL/LIBERAL KS/
..AVIATION COORDS.. 50NM E/W /36SSW MCK - 22S LBL/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 39639970 36669989 36660205 39630196
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 198 Status Report Messages:
STATUS REPORT #3 ON WW 198
VALID 220050Z - 220140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNW EHA
TO 45 W GCK TO 50 SSE GLD TO 40 E GLD TO 40 SSW MCK.
..SPC..05/22/20
ATTN...WFO...DDC...GLD...AMA...
&&
STATUS REPORT FOR WS 198
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC025-039-055-057-063-065-067-069-075-081-083-093-101-109-119-
129-135-137-171-175-179-187-189-193-195-203-220140-
KS
. KANSAS COUNTIES INCLUDED ARE
CLARK DECATUR FINNEY
FORD GOVE GRAHAM
GRANT GRAY HAMILTON
HASKELL HODGEMAN KEARNY
LANE LOGAN MEADE
MORTON NESS NORTON
SCOTT SEWARD SHERIDAN
STANTON STEVENS THOMAS
TREGO WICHITA
$$
OKC007-139-220140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BEAVER TEXAS
$$
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.
$$
STATUS REPORT #2 ON WW 198
VALID 212230Z - 212340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..05/21/20
ATTN...WFO...DDC...GLD...AMA...
&&
STATUS REPORT FOR WS 198
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC025-039-055-057-063-065-067-069-071-075-081-083-093-101-109-
119-129-135-137-153-171-175-179-181-187-189-193-195-199-203-
212340-
KS
. KANSAS COUNTIES INCLUDED ARE
CLARK DECATUR FINNEY
FORD GOVE GRAHAM
GRANT GRAY GREELEY
HAMILTON HASKELL HODGEMAN
KEARNY LANE LOGAN
MEADE MORTON NESS
NORTON RAWLINS SCOTT
SEWARD SHERIDAN SHERMAN
STANTON STEVENS THOMAS
TREGO WALLACE WICHITA
$$
OKC007-139-212340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BEAVER TEXAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 198
VALID 212130Z - 212240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..05/21/20
ATTN...WFO...DDC...GLD...AMA...
&&
STATUS REPORT FOR WS 198
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC025-039-055-057-063-065-067-069-071-075-081-083-093-101-109-
119-129-135-137-153-171-175-179-181-187-189-193-195-199-203-
212240-
KS
. KANSAS COUNTIES INCLUDED ARE
CLARK DECATUR FINNEY
FORD GOVE GRAHAM
GRANT GRAY GREELEY
HAMILTON HASKELL HODGEMAN
KEARNY LANE LOGAN
MEADE MORTON NESS
NORTON RAWLINS SCOTT
SEWARD SHERIDAN SHERMAN
STANTON STEVENS THOMAS
TREGO WALLACE WICHITA
$$
OKC007-139-212240-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BEAVER TEXAS
$$
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 (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (60%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (40%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (90%)
|
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.
weather.gov 
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