Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 116
NWS STORM PREDICTION CENTER NORMAN OK
210 PM CDT SAT APR 4 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
PARTS OF NORTH CENTRAL AND NORTHEAST KANSAS
PARTS OF SOUTH CENTRAL AND SOUTHEASTERN NEBRASKA
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
800 PM CDT.
HAIL TO 2 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 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES WEST OF
HASTINGS NEBRASKA TO 20 MILES EAST OF TOPEKA KANSAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).
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...STRONG SURFACE AND UPPER LOW WRN KS PROVIDING
IMPRESSIVE SUPPORT FOR SEVERE THUNDERSTORM DEVELOPMENT ACROSS WATCH
AREA. VERY LIMITED MOISTURE AND INSTABILITY WILL LIMIT THE
POTENTIAL FOR SUPERCELLS...WITH PRIMARY THREAT LARGE HAIL AND
DAMAGING WINDS. ACTIVITY WILL DEVELOP ALONG DRY LINE NCENTRAL
KS...THEN SPREAD RAPIDLY NE/EWD ACROSS THE WATCH AREA REMAINDER OF
THE AFTERNOON.
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 400. MEAN STORM
MOTION VECTOR 24040.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 116 SEVERE TSTM KS NE 041910Z - 050100Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
10W HSI/HASTINGS NE/ - 20E TOP/TOPEKA KS/
..AVIATION COORDS.. 55NM N/S /48SSW OBH - 33WSW MKC/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 24040.
LAT...LON 41549862 40009525 38139525 39659862
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 116 Status Report Messages:
STATUS REPORT #4 ON WW 116
VALID 042320Z - 050100Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE EMP
TO 15 WSW TOP TO 40 NE MHK TO 15 E BIE TO 5 W LNK.
WW 116 WILL BE ALLOWED TO EXPIRE AT 050100Z.
..JEWELL..04/04/09
ATTN...WFO...TOP...GID...OAX...
&&
STATUS REPORT FOR WS 116
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC013-045-085-087-131-139-177-050100-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DOUGLAS JACKSON
JEFFERSON NEMAHA OSAGE
SHAWNEE
$$
NEC097-109-127-131-133-147-050100-
NE
. NEBRASKA COUNTIES INCLUDED ARE
JOHNSON LANCASTER NEMAHA
OTOE PAWNEE RICHARDSON
$$
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.
$$
STATUS REPORT #3 ON WW 116
VALID 042250Z - 042340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NW EMP TO
15 E MHK TO 35 N MHK TO 10 SSW BIE TO 25 SW LNK TO 40 ESE GRI TO
20 ESE GRI TO 30 NE GRI.
..JEWELL..04/04/09
ATTN...WFO...TOP...GID...OAX...
&&
STATUS REPORT FOR WS 116
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC013-045-085-087-111-117-131-139-149-177-197-042340-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DOUGLAS JACKSON
JEFFERSON LYON MARSHALL
NEMAHA OSAGE POTTAWATOMIE
SHAWNEE WABAUNSEE
$$
NEC067-081-097-109-121-127-131-133-143-147-151-159-185-042340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
GAGE HAMILTON JOHNSON
LANCASTER MERRICK NEMAHA
OTOE PAWNEE POLK
RICHARDSON SALINE SEWARD
YORK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 116
VALID 042135Z - 042240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 WNW EMP
TO 15 WSW MHK TO 25 NW MHK TO 25 NE CNK TO 35 NNE CNK TO 40 SSE
HSI TO 50 N RSL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 391
..JEWELL..04/04/09
ATTN...WFO...TOP...GID...OAX...
&&
STATUS REPORT FOR WS 116
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC013-045-061-085-087-111-117-127-131-139-149-161-177-197-201-
042240-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN DOUGLAS GEARY
JACKSON JEFFERSON LYON
MARSHALL MORRIS NEMAHA
OSAGE POTTAWATOMIE RILEY
SHAWNEE WABAUNSEE WASHINGTON
$$
NEC001-035-059-067-079-081-095-097-109-121-127-129-131-133-143-
147-151-159-169-185-042240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS CLAY FILLMORE
GAGE HALL HAMILTON
JEFFERSON JOHNSON LANCASTER
MERRICK NEMAHA NUCKOLLS
OTOE PAWNEE POLK
RICHARDSON SALINE SEWARD
THAYER YORK
$$
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.
$$
STATUS REPORT #1 ON WW 116
VALID 042030Z - 042140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NE SLN TO
20 NW CNK TO 40 SSW HSI.
..GRAMS..04/04/09
ATTN...WFO...TOP...GID...OAX...
&&
STATUS REPORT FOR WS 116
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC013-027-029-041-045-061-085-087-111-117-127-131-139-149-157-
161-177-197-201-042140-
KS
. KANSAS COUNTIES INCLUDED ARE
BROWN CLAY CLOUD
DICKINSON DOUGLAS GEARY
JACKSON JEFFERSON LYON
MARSHALL MORRIS NEMAHA
OSAGE POTTAWATOMIE REPUBLIC
RILEY SHAWNEE WABAUNSEE
WASHINGTON
$$
NEC001-035-059-067-079-081-095-097-109-121-127-129-131-133-143-
147-151-159-169-181-185-042140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS CLAY FILLMORE
GAGE HALL HAMILTON
JEFFERSON JOHNSON LANCASTER
MERRICK NEMAHA NUCKOLLS
OTOE PAWNEE POLK
RICHARDSON SALINE SEWARD
THAYER WEBSTER YORK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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.
weather.gov 
