Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 546
NWS STORM PREDICTION CENTER NORMAN OK
1215 PM CDT FRI OCT 11 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
WESTERN MINNESOTA
SOUTH-CENTRAL AND SOUTHEAST NORTH DAKOTA
NORTH-CENTRAL AND NORTHEAST SOUTH DAKOTA
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1215 PM UNTIL
800 PM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL TORNADOES POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A FEW LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 85 MILES WEST SOUTHWEST OF
JAMESTOWN NORTH DAKOTA TO 5 MILES EAST OF ALEXANDRIA MINNESOTA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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...ONE OR MULTIPLE ARCING BANDS OF THUNDERSTORMS ARE
EXPECTED TO DEVELOP AND SPREAD NORTHEAST ACROSS THE WATCH AREA.
CONDITIONS WILL BE FAVORABLE FOR LOW-LEVEL UPDRAFT ROTATION AND
TORNADOES ARE POSSIBLE...AS IS SOME HAIL AND LOCALLY DAMAGING WIND
GUSTS.
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 350.
MEAN STORM MOTION VECTOR 14030.
...MEAD
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 546 TORNADO MN ND SD 111715Z - 120100Z
AXIS..90 STATUTE MILES NORTH AND SOUTH OF LINE..
85WSW JMS/JAMESTOWN ND/ - 5E AXN/ALEXANDRIA MN/
..AVIATION COORDS.. 80NM N/S /24SE BIS - 60WSW BRD/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 350. MEAN STORM MOTION VECTOR 14030.
LAT...LON 47750033 47169530 44569530 45130033
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 546 Status Report Messages:
STATUS REPORT #6 ON WW 546
VALID 120025Z - 120100Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNE AXN
TO 40 NNW DTL.
WW 546 WILL BE ALLOWED TO EXPIRE AT 120100Z.
..THOMPSON..10/12/13
ATTN...WFO...FGF...ABR...MPX...BIS...
&&
STATUS REPORT FOR WT 546
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC005-087-111-120100-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BECKER MAHNOMEN OTTER TAIL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 546
VALID 112340Z - 120040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW RWF TO
40 ESE VVV TO 40 NW AXN TO 30 N FAR.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1964
..THOMPSON..10/11/13
ATTN...WFO...FGF...ABR...MPX...BIS...
&&
STATUS REPORT FOR WT 546
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC005-023-027-041-087-107-111-121-151-120040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BECKER CHIPPEWA CLAY
DOUGLAS MAHNOMEN NORMAN
OTTER TAIL POPE SWIFT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 546
VALID 112250Z - 112340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 W RWF TO
50 WNW AXN TO 15 ENE JMS TO 45 NNE JMS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1964
..THOMPSON..10/11/13
ATTN...WFO...FGF...ABR...MPX...BIS...
&&
STATUS REPORT FOR WT 546
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC005-023-027-041-051-087-107-111-121-149-151-167-173-112340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BECKER CHIPPEWA CLAY
DOUGLAS GRANT MAHNOMEN
NORMAN OTTER TAIL POPE
STEVENS SWIFT WILKIN
YELLOW MEDICINE
$$
NDC003-017-039-091-097-112340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES CASS GRIGGS
STEELE TRAILL
$$
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.
$$
STATUS REPORT #3 ON WW 546
VALID 112045Z - 112140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ESE ATY
TO 55 NE ABR TO 15 SW JMS TO 30 NE BIS.
..SPC..10/11/13
ATTN...WFO...FGF...ABR...MPX...BIS...
&&
STATUS REPORT FOR WT 546
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC005-011-023-027-041-051-073-087-107-111-121-149-151-155-167-
173-112140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BECKER BIG STONE CHIPPEWA
CLAY DOUGLAS GRANT
LAC QUI PARLE MAHNOMEN NORMAN
OTTER TAIL POPE STEVENS
SWIFT TRAVERSE WILKIN
YELLOW MEDICINE
$$
NDC003-017-031-039-043-045-073-077-081-091-093-097-112140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES CASS FOSTER
GRIGGS KIDDER LAMOURE
RANSOM RICHLAND SARGENT
STEELE STUTSMAN TRAILL
$$
SDC039-051-091-109-112140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
DEUEL GRANT MARSHALL
ROBERTS
$$
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.
$$
STATUS REPORT #2 ON WW 546
VALID 111930Z - 112040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 W ATY TO
35 NNW ABR TO 25 ENE BIS.
..SPC..10/11/13
ATTN...WFO...FGF...ABR...MPX...BIS...
&&
STATUS REPORT FOR WT 546
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC005-011-023-027-041-051-073-087-107-111-121-149-151-155-167-
173-112040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BECKER BIG STONE CHIPPEWA
CLAY DOUGLAS GRANT
LAC QUI PARLE MAHNOMEN NORMAN
OTTER TAIL POPE STEVENS
SWIFT TRAVERSE WILKIN
YELLOW MEDICINE
$$
NDC003-015-017-021-031-039-043-045-047-073-077-081-091-093-097-
112040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES BURLEIGH CASS
DICKEY FOSTER GRIGGS
KIDDER LAMOURE LOGAN
RANSOM RICHLAND SARGENT
STEELE STUTSMAN TRAILL
$$
SDC013-025-029-037-039-051-057-091-109-112040-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN CLARK CODINGTON
DAY DEUEL GRANT
HAMLIN MARSHALL ROBERTS
$$
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.
$$
STATUS REPORT #1 ON WW 546
VALID 111835Z - 111940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 S ABR TO
30 SE BIS.
..SPC..10/11/13
ATTN...WFO...FGF...ABR...MPX...BIS...
&&
STATUS REPORT FOR WT 546
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC005-011-023-027-041-051-073-087-107-111-121-149-151-155-167-
173-111940-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BECKER BIG STONE CHIPPEWA
CLAY DOUGLAS GRANT
LAC QUI PARLE MAHNOMEN NORMAN
OTTER TAIL POPE STEVENS
SWIFT TRAVERSE WILKIN
YELLOW MEDICINE
$$
NDC003-015-017-021-029-031-039-043-045-047-051-073-077-081-091-
093-097-111940-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES BURLEIGH CASS
DICKEY EMMONS FOSTER
GRIGGS KIDDER LAMOURE
LOGAN MCINTOSH RANSOM
RICHLAND SARGENT STEELE
STUTSMAN TRAILL
$$
SDC013-025-029-037-039-045-051-057-089-091-109-115-111940-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN CLARK CODINGTON
DAY DEUEL EDMUNDS
GRANT HAMLIN MCPHERSON
MARSHALL ROBERTS SPINK
$$
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 (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
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
|
Mod (60%)
|
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.