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
TORNADO WATCH NUMBER 600
NWS STORM PREDICTION CENTER NORMAN OK
1030 PM EDT WED AUG 15 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN INDIANA
NORTHWEST OHIO
LAKE MICHIGAN
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1030 PM
UNTIL 400 AM EDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
VALPARAISO INDIANA TO 65 MILES EAST OF FORT WAYNE INDIANA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
DISCUSSION...SMALL MCS OVER NW IND HAS FORMED IN THE PAST 90 MINUTES
ON WRN SIDE OF COLD POOL/MCV ASSOCIATED WITH EARLIER CONVECTIVE
SYSTEM. THE MCS SHOULD REMAIN STRONG THROUGH EARLY THURSDAY AND
TRACK ESE INTO OH. A SUPERCELL NOW PRESENT ON WRN SIDE OF SYSTEM
WILL POSE A THREAT FOR ISOLATED TORNADOES...IN ADDITION TO DAMAGING
WET MICROBURSTS/ MARGINALLY SVR HAIL...GIVEN HI PWS AND LOW LEVEL
WIND FIELD WITH CONSIDERABLE DEGREE OF SPEED/DIRECTIONAL SHEAR.
WIND PROFILES MAY ALSO SUPPORT BACK-BUILDING DEVELOPMENT ON WRN SIDE
OF MCS...WITH ASSOCIATED LOCALLY HEAVY RAIN POSSIBLE INTO FAR NE
IL/NRN IND IN WAKE OF SUPERCELL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 30030.
...CORFIDI
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 600
NWS STORM PREDICTION CENTER NORMAN OK
1030 PM EDT WED AUG 15 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN INDIANA
NORTHWEST OHIO
LAKE MICHIGAN
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1030 PM
UNTIL 400 AM EDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
VALPARAISO INDIANA TO 65 MILES EAST OF FORT WAYNE INDIANA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
DISCUSSION...SMALL MCS OVER NW IND HAS FORMED IN THE PAST 90 MINUTES
ON WRN SIDE OF COLD POOL/MCV ASSOCIATED WITH EARLIER CONVECTIVE
SYSTEM. THE MCS SHOULD REMAIN STRONG THROUGH EARLY THURSDAY AND
TRACK ESE INTO OH. A SUPERCELL NOW PRESENT ON WRN SIDE OF SYSTEM
WILL POSE A THREAT FOR ISOLATED TORNADOES...IN ADDITION TO DAMAGING
WET MICROBURSTS/ MARGINALLY SVR HAIL...GIVEN HI PWS AND LOW LEVEL
WIND FIELD WITH CONSIDERABLE DEGREE OF SPEED/DIRECTIONAL SHEAR.
WIND PROFILES MAY ALSO SUPPORT BACK-BUILDING DEVELOPMENT ON WRN SIDE
OF MCS...WITH ASSOCIATED LOCALLY HEAVY RAIN POSSIBLE INTO FAR NE
IL/NRN IND IN WAKE OF SUPERCELL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 30030.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 600 TORNADO IN OH LM 160230Z - 160800Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
20SSW VPZ/VALPARAISO IN/ - 65E FWA/FORT WAYNE IN/
..AVIATION COORDS.. 35NM N/S /38N BVT - 41N ROD/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 30030.
LAT...LON 41758715 41548393 40388393 40598715
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 600 Status Report Messages:
STATUS REPORT #4 ON WW 600
VALID 160640Z - 160740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNE MIE
TO 30 SE FWA TO 45 N DAY TO 30 SW FDY TO 15 WSW FDY.
..PETERS..08/16/07
ATTN...WFO...IWX...
&&
STATUS REPORT FOR WT 600
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC075-160740-
IN
. INDIANA COUNTIES INCLUDED ARE
JAY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 600
VALID 160545Z - 160640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 ENE LAF
TO 30 WSW FWA TO 10 ENE FWA TO 50 NNE FWA.
..PETERS..08/16/07
ATTN...WFO...IWX...
&&
STATUS REPORT FOR WT 600
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC001-003-009-053-069-075-103-169-179-160640-
IN
. INDIANA COUNTIES INCLUDED ARE
ADAMS ALLEN BLACKFORD
GRANT HUNTINGTON JAY
MIAMI WABASH WELLS
$$
OHC003-039-051-069-125-137-161-171-160640-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN DEFIANCE FULTON
HENRY PAULDING PUTNAM
VAN WERT WILLIAMS
$$
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.
$$
STATUS REPORT #2 ON WW 600
VALID 160445Z - 160540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SW VPZ TO
10 SSE VPZ TO 20 E VPZ TO 25 SE SBN TO 40 ESE SBN TO 40 SSE AZO.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1764
..BRIGHT..08/16/07
ATTN...WFO...IWX...
&&
STATUS REPORT FOR WT 600
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC001-003-009-017-033-049-053-069-075-085-099-103-113-131-149-
151-169-179-181-183-160540-
IN
. INDIANA COUNTIES INCLUDED ARE
ADAMS ALLEN BLACKFORD
CASS DE KALB FULTON
GRANT HUNTINGTON JAY
KOSCIUSKO MARSHALL MIAMI
NOBLE PULASKI STARKE
STEUBEN WABASH WELLS
WHITE WHITLEY
$$
OHC003-039-051-069-125-137-161-171-160540-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN DEFIANCE FULTON
HENRY PAULDING PUTNAM
VAN WERT WILLIAMS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 600
VALID 160340Z - 160440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BRIGHT..08/16/07
ATTN...WFO...IWX...
&&
STATUS REPORT FOR WT 600
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC001-003-009-017-033-039-049-053-069-075-085-087-091-099-103-
113-131-141-149-151-169-179-181-183-160440-
IN
. INDIANA COUNTIES INCLUDED ARE
ADAMS ALLEN BLACKFORD
CASS DE KALB ELKHART
FULTON GRANT HUNTINGTON
JAY KOSCIUSKO LAGRANGE
LA PORTE MARSHALL MIAMI
NOBLE PULASKI ST. JOSEPH
STARKE STEUBEN WABASH
WELLS WHITE WHITLEY
$$
OHC003-039-051-069-125-137-161-171-160440-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN DEFIANCE FULTON
HENRY PAULDING PUTNAM
VAN WERT WILLIAMS
$$
LMZ046-160440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
MICHIGAN CITY IN TO NEW BUFFALO MI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (30%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (<5%)
|
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% (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.