Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 233
NWS Storm Prediction Center Norman OK
135 PM CDT Thu Jun 28 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Minnesota
Eastern North Dakota
Northwest Wisconsin
Lake Superior
* Effective this Thursday afternoon and evening from 135 PM until
900 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
A tornado or two possible
SUMMARY...Scattered strong to severe thunderstorms will form and
spread southeastward across the watch area this afternoon, posing a
risk of locally damaging winds and large hail.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 35 miles southwest of
Grand Forks ND to 70 miles southeast of Duluth MN. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 230...WW 231...WW 232...
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
29035.
...Hart
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 233
NWS Storm Prediction Center Norman OK
135 PM CDT Thu Jun 28 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Minnesota
Eastern North Dakota
Northwest Wisconsin
Lake Superior
* Effective this Thursday afternoon and evening from 135 PM until
900 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
A tornado or two possible
SUMMARY...Scattered strong to severe thunderstorms will form and
spread southeastward across the watch area this afternoon, posing a
risk of locally damaging winds and large hail.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 35 miles southwest of
Grand Forks ND to 70 miles southeast of Duluth MN. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 230...WW 231...WW 232...
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
29035.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 233 SEVERE TSTM MN ND WI LS 281835Z - 290200Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
35SW GFK/GRAND FORKS ND/ - 70SE DLH/DULUTH MN/
..AVIATION COORDS.. 30NM N/S /30SW GFK - 60SE DLH/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 29035.
LAT...LON 48099770 46619115 45599115 47089770
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 233 Status Report Messages:
STATUS REPORT #3 ON WW 233
VALID 282320Z - 290040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SE BRD TO
25 SSE HIB.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 926
..MOSIER..06/28/18
ATTN...WFO...DLH...FGF...
&&
STATUS REPORT FOR WS 233
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC017-115-290040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
CARLTON PINE
$$
WIC007-013-031-113-129-290040-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BAYFIELD BURNETT DOUGLAS
SAWYER WASHBURN
$$
LSZ144-145-290040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
TWO HARBORS TO DULUTH MN
DULUTH MN TO PORT WING WI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 233
VALID 282150Z - 282240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SW GFK TO
30 NNW DTL TO 10 E BJI.
..MOSIER..06/28/18
ATTN...WFO...DLH...FGF...
&&
STATUS REPORT FOR WS 233
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC001-005-017-021-027-035-057-061-071-111-115-137-159-282240-
MN
. MINNESOTA COUNTIES INCLUDED ARE
AITKIN BECKER CARLTON
CASS CLAY CROW WING
HUBBARD ITASCA KOOCHICHING
OTTER TAIL PINE ST. LOUIS
WADENA
$$
NDC017-091-282240-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
CASS STEELE
$$
WIC007-013-031-113-129-282240-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BAYFIELD BURNETT DOUGLAS
SAWYER WASHBURN
$$
LSZ144-145-282240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
TWO HARBORS TO DULUTH MN
DULUTH MN TO PORT WING WI
$$
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.
$$
STATUS REPORT #1 ON WW 233
VALID 282040Z - 282140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BENTLEY..06/28/18
ATTN...WFO...DLH...FGF...
&&
STATUS REPORT FOR WS 233
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC001-005-007-017-021-027-029-035-057-061-071-087-107-111-113-
115-119-125-137-159-282140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
AITKIN BECKER BELTRAMI
CARLTON CASS CLAY
CLEARWATER CROW WING HUBBARD
ITASCA KOOCHICHING MAHNOMEN
NORMAN OTTER TAIL PENNINGTON
PINE POLK RED LAKE
ST. LOUIS WADENA
$$
NDC017-035-091-097-282140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
CASS GRAND FORKS STEELE
TRAILL
$$
WIC007-013-031-113-129-282140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BAYFIELD BURNETT DOUGLAS
SAWYER WASHBURN
$$
LSZ144-145-282140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
TWO HARBORS TO DULUTH MN
DULUTH MN TO PORT WING WI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (30%)
|
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.
weather.gov 
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