Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 569
NWS STORM PREDICTION CENTER NORMAN OK
905 PM CDT THU JUL 9 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN MINNESOTA
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 905 PM
UNTIL 400 AM 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 35
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTH OF
WORTHINGTON MINNESOTA TO 50 MILES EAST SOUTHEAST OF MANKATO
MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
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 568...
DISCUSSION...A CLUSTER OF SEVERE THUNDERSTORMS WILL DEVELOP EASTWARD
ACROSS SOUTHERN MN FOR THE NEXT SEVERAL HOURS...IN REGION OF
MODERATE ELEVATED CAPE AND STRONG VERTICAL SHEAR. LARGE HAIL IS THE
MAIN THREAT WITH THIS ACTIVITY...ALTHOUGH SOME POTENTIAL ALSO EXISTS
FOR LOCALLY DAMAGING WINDS.
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 26030.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 569 SEVERE TSTM MN 100205Z - 100900Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
20N OTG/WORTHINGTON MN/ - 50ESE MKT/MANKATO MN/
..AVIATION COORDS.. 30NM N/S /37SSW RWF - 53NNE MCW/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26030.
LAT...LON 44459558 44459298 43439298 43439558
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 569 Status Report Messages:
STATUS REPORT #5 ON WW 569
VALID 100735Z - 100840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW FRM TO
15 WNW FRM TO 15 N FRM TO 25 W RST.
..PETERS..07/10/09
ATTN...WFO...MPX...
&&
STATUS REPORT FOR WS 569
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC043-047-091-100840-
MN
. MINNESOTA COUNTIES INCLUDED ARE
FARIBAULT FREEBORN MARTIN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 569
VALID 100645Z - 100740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SW FRM TO
25 NW FRM TO 20 S MKT TO 30 NW RST.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1508.
..PETERS..07/10/09
ATTN...WFO...MPX...
&&
STATUS REPORT FOR WS 569
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC013-043-047-091-147-161-165-100740-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH FARIBAULT FREEBORN
MARTIN STEELE WASECA
WATONWAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 569
VALID 100555Z - 100640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 N OTG TO
30 NW FRM TO 25 NW MKT.
..PETERS..07/10/09
ATTN...WFO...MPX...
&&
STATUS REPORT FOR WS 569
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC013-043-047-079-091-103-131-147-161-165-100640-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH FARIBAULT FREEBORN
LE SUEUR MARTIN NICOLLET
RICE STEELE WASECA
WATONWAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 569
VALID 100435Z - 100540Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..07/10/09
ATTN...WFO...MPX...
&&
STATUS REPORT FOR WS 569
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC013-015-043-047-079-091-103-127-131-147-161-165-100540-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH BROWN FARIBAULT
FREEBORN LE SUEUR MARTIN
NICOLLET REDWOOD RICE
STEELE WASECA WATONWAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 569
VALID 100345Z - 100440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..07/10/09
ATTN...WFO...MPX...
&&
STATUS REPORT FOR WS 569
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC013-015-043-047-079-091-103-127-131-147-161-165-100440-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH BROWN FARIBAULT
FREEBORN LE SUEUR MARTIN
NICOLLET REDWOOD RICE
STEELE WASECA WATONWAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
Mod (60%)
|
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 (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.
weather.gov 
