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 579
NWS Storm Prediction Center Norman OK
1215 PM CDT Wed Jul 31 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western and Central Minnesota
Southeast North Dakota
Central and Eastern South Dakota
* Effective this Wednesday afternoon and evening from 1215 PM
until 700 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
A tornado or two possible
SUMMARY...Multiple clusters of thunderstorms will likely produce
scattered to numerous severe/damaging winds up to 65-80 mph this
afternoon as they move east-northeastward. Supercells should develop
and pose a greater threat for severe hail generally around 1.5-2.5
inches in diameter, especially in parts of central to northeast
South Dakota. A tornado or two also appears possible.
The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 90 miles west southwest
of Aberdeen SD to 50 miles northeast of Alexandria MN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27035.
...Gleason
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 579
NWS Storm Prediction Center Norman OK
1215 PM CDT Wed Jul 31 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western and Central Minnesota
Southeast North Dakota
Central and Eastern South Dakota
* Effective this Wednesday afternoon and evening from 1215 PM
until 700 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
A tornado or two possible
SUMMARY...Multiple clusters of thunderstorms will likely produce
scattered to numerous severe/damaging winds up to 65-80 mph this
afternoon as they move east-northeastward. Supercells should develop
and pose a greater threat for severe hail generally around 1.5-2.5
inches in diameter, especially in parts of central to northeast
South Dakota. A tornado or two also appears possible.
The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 90 miles west southwest
of Aberdeen SD to 50 miles northeast of Alexandria MN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27035.
...Gleason
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 579 SEVERE TSTM MN ND SD 311715Z - 010000Z
AXIS..75 STATUTE MILES NORTH AND SOUTH OF LINE..
90WSW ABR/ABERDEEN SD/ - 50NE AXN/ALEXANDRIA MN/
..AVIATION COORDS.. 65NM N/S /32N PIR - 26W BRD/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27035.
LAT...LON 46020012 47469466 45299466 43850012
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 579 Status Report Messages:
STATUS REPORT #3 ON WW 579
VALID 312235Z - 312340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW 9V9
TO 10 N ABR TO 30 NNW BRD.
..BROYLES..07/31/24
ATTN...WFO...FGF...ABR...MPX...
&&
STATUS REPORT FOR WS 579
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC009-011-023-057-059-065-067-073-093-095-097-121-141-145-149-
151-171-173-312340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BENTON BIG STONE CHIPPEWA
HUBBARD ISANTI KANABEC
KANDIYOHI LAC QUI PARLE MEEKER
MILLE LACS MORRISON POPE
SHERBURNE STEARNS STEVENS
SWIFT WRIGHT YELLOW MEDICINE
$$
SDC013-017-025-029-037-039-051-057-059-091-115-312340-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN BUFFALO CLARK
CODINGTON DAY DEUEL
GRANT HAMLIN HAND
MARSHALL SPINK
$$
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.
$$
STATUS REPORT #2 ON WW 579
VALID 312025Z - 312140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 W 9V9 TO
30 W ABR TO 50 NE ABR TO 25 WNW VVV TO 35 E AXN TO 35 NW BRD TO
35 W BJI.
..LEITMAN..07/31/24
ATTN...WFO...FGF...ABR...MPX...
&&
STATUS REPORT FOR WS 579
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC009-011-023-057-059-065-067-073-093-095-097-121-141-145-149-
151-171-173-312140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BENTON BIG STONE CHIPPEWA
HUBBARD ISANTI KANABEC
KANDIYOHI LAC QUI PARLE MEEKER
MILLE LACS MORRISON POPE
SHERBURNE STEARNS STEVENS
SWIFT WRIGHT YELLOW MEDICINE
$$
SDC013-017-025-029-037-039-051-057-059-091-115-312140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN BUFFALO CLARK
CODINGTON DAY DEUEL
GRANT HAMLIN HAND
MARSHALL SPINK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 579
VALID 311945Z - 312040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SSE JMS
TO 20 SE FAR TO 35 SSE TVF.
..LEITMAN..07/31/24
ATTN...WFO...FGF...ABR...MPX...
&&
STATUS REPORT FOR WS 579
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC005-011-023-041-051-057-067-073-087-097-111-121-145-149-151-
153-155-159-167-173-312040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BECKER BIG STONE CHIPPEWA
DOUGLAS GRANT HUBBARD
KANDIYOHI LAC QUI PARLE MAHNOMEN
MORRISON OTTER TAIL POPE
STEARNS STEVENS SWIFT
TODD TRAVERSE WADENA
WILKIN YELLOW MEDICINE
$$
NDC077-081-312040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
RICHLAND SARGENT
$$
SDC013-017-025-029-037-039-045-049-051-057-059-065-069-085-089-
091-107-109-115-117-119-129-312040-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN BUFFALO CLARK
CODINGTON DAY DEUEL
EDMUNDS FAULK GRANT
HAMLIN HAND HUGHES
HYDE LYMAN MCPHERSON
MARSHALL POTTER ROBERTS
SPINK STANLEY SULLY
WALWORTH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (60%)
|
Hail
Probability of 10 or more severe hail events
|
High (70%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (50%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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% (EF2-EF5 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.