Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 542...RESENT
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT FRI JUL 3 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN KANSAS
CENTRAL AND SOUTHEAST NEBRASKA
EFFECTIVE THIS FRIDAY AFTERNOON FROM 455 PM UNTIL MIDNIGHT 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 70
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTH OF
IMPERIAL NEBRASKA TO 5 MILES EAST NORTHEAST OF FALLS CITY
NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
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 540...WW 541...
DISCUSSION...SLY LLJ WILL INCREASE ACROSS NERN KS THIS EVENING AHEAD
OF SHORTWAVE TROUGH SHIFTING ACROSS THE CENTRAL HIGH PLAINS. STORMS
WILL BE CAPABLE OF LARGE HAIL AND ISOLATED DAMAGING WINDS...WITH
OVERALL EVOLUTION INTO ONE OR MORE STRONG TO SEVERE MCSS ALONG NOSE
OF LLJ BY THE LATE EVENING.
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 500. MEAN STORM
MOTION VECTOR 26020.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 542 SEVERE TSTM KS NE 032155Z - 040500Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
40N IML/IMPERIAL NE/ - 5ENE FNB/FALLS CITY NE/
..AVIATION COORDS.. 60NM N/S /41W LBF - 33E PWE/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26020.
LAT...LON 42110162 41119551 39089551 40090162
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 542 Status Report Messages:
STATUS REPORT #5 ON WW 542
VALID 040255Z - 040340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1422
..EVANS..07/04/09
ATTN...WFO...GID...LBF...OAX...
&&
STATUS REPORT FOR WS 542
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC089-123-141-147-163-183-040340-
KS
. KANSAS COUNTIES INCLUDED ARE
JEWELL MITCHELL OSBORNE
PHILLIPS ROOKS SMITH
$$
NEC001-035-059-061-081-129-169-181-185-040340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS CLAY FILLMORE
FRANKLIN HAMILTON NUCKOLLS
THAYER WEBSTER YORK
$$
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.
$$
STATUS REPORT #4 ON WW 542
VALID 040155Z - 040240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 N IML TO
35 SE LBF TO 20 NNW EAR TO 35 ESE BUB.
..PETERS..07/04/09
ATTN...WFO...GID...LBF...OAX...
&&
STATUS REPORT FOR WS 542
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC089-123-141-147-163-183-040240-
KS
. KANSAS COUNTIES INCLUDED ARE
JEWELL MITCHELL OSBORNE
PHILLIPS ROOKS SMITH
$$
NEC001-019-023-029-035-047-059-061-063-065-067-073-077-079-081-
083-085-093-095-097-099-109-121-125-127-129-131-133-137-143-147-
151-159-163-169-181-185-040240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BUFFALO BUTLER
CHASE CLAY DAWSON
FILLMORE FRANKLIN FRONTIER
FURNAS GAGE GOSPER
GREELEY HALL HAMILTON
HARLAN HAYES HOWARD
JEFFERSON JOHNSON KEARNEY
LANCASTER MERRICK NANCE
NEMAHA NUCKOLLS OTOE
PAWNEE PHELPS POLK
RICHARDSON SALINE SEWARD
SHERMAN THAYER WEBSTER
YORK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 542
VALID 040050Z - 040140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..07/04/09
ATTN...WFO...GID...LBF...OAX...
&&
STATUS REPORT FOR WS 542
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC089-123-141-147-163-183-040140-
KS
. KANSAS COUNTIES INCLUDED ARE
JEWELL MITCHELL OSBORNE
PHILLIPS ROOKS SMITH
$$
NEC001-009-019-023-029-035-041-047-059-061-063-065-067-073-077-
079-081-083-085-093-095-097-099-109-111-113-115-121-125-127-129-
131-133-137-143-147-151-159-163-169-171-175-181-185-040140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BLAINE BUFFALO
BUTLER CHASE CLAY
CUSTER DAWSON FILLMORE
FRANKLIN FRONTIER FURNAS
GAGE GOSPER GREELEY
HALL HAMILTON HARLAN
HAYES HOWARD JEFFERSON
JOHNSON KEARNEY LANCASTER
LINCOLN LOGAN LOUP
MERRICK NANCE NEMAHA
NUCKOLLS OTOE PAWNEE
PHELPS POLK RICHARDSON
SALINE SEWARD SHERMAN
THAYER THOMAS VALLEY
WEBSTER YORK
$$
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.
$$
STATUS REPORT #2 ON WW 542
VALID 040040Z - 040140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..07/04/09
ATTN...WFO...GID...LBF...OAX...
&&
STATUS REPORT FOR WS 542
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC001-009-019-023-029-035-041-047-059-061-063-065-067-073-077-
079-081-083-085-093-095-097-099-109-111-113-115-121-125-127-129-
131-133-137-143-147-151-159-163-169-171-175-181-185-040140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BLAINE BUFFALO
BUTLER CHASE CLAY
CUSTER DAWSON FILLMORE
FRANKLIN FRONTIER FURNAS
GAGE GOSPER GREELEY
HALL HAMILTON HARLAN
HAYES HOWARD JEFFERSON
JOHNSON KEARNEY LANCASTER
LINCOLN LOGAN LOUP
MERRICK NANCE NEMAHA
NUCKOLLS OTOE PAWNEE
PHELPS POLK RICHARDSON
SALINE SEWARD SHERMAN
THAYER THOMAS VALLEY
WEBSTER YORK
$$
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.
$$
STATUS REPORT #1 ON WW 542
VALID 032335Z - 040040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..07/03/09
ATTN...WFO...GID...LBF...OAX...
&&
STATUS REPORT FOR WS 542
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC089-123-141-147-163-183-040040-
KS
. KANSAS COUNTIES INCLUDED ARE
JEWELL MITCHELL OSBORNE
PHILLIPS ROOKS SMITH
$$
NEC001-009-019-023-029-035-041-047-059-061-063-065-067-073-077-
079-081-083-085-093-095-097-099-109-111-113-115-121-125-127-129-
131-133-137-143-147-151-159-163-169-171-175-181-185-040040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BLAINE BUFFALO
BUTLER CHASE CLAY
CUSTER DAWSON FILLMORE
FRANKLIN FRONTIER FURNAS
GAGE GOSPER GREELEY
HALL HAMILTON HARLAN
HAYES HOWARD JEFFERSON
JOHNSON KEARNEY LANCASTER
LINCOLN LOGAN LOUP
MERRICK NANCE NEMAHA
NUCKOLLS OTOE PAWNEE
PHELPS POLK RICHARDSON
SALINE SEWARD SHERMAN
THAYER THOMAS VALLEY
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
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
High (70%)
|
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 (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% (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.