Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 271
NWS Storm Prediction Center Norman OK
400 PM CDT Mon Jun 8 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Part of west central Minnesota
Southeast North Dakota
* Effective this Monday afternoon and evening from 400 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 3
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
A tornado or two possible
SUMMARY...Thunderstorm development is expected soon along a cold
front moving slowly eastward into southeast North Dakota. The storm
environment will support supercells capable of producing very large
hail and damaging winds, and an isolated tornado cannot be ruled
out.
The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 55 miles north of Fargo
ND to 70 miles south of Fargo ND. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU1).
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 270...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
24030.
...Thompson
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 271
NWS Storm Prediction Center Norman OK
400 PM CDT Mon Jun 8 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Part of west central Minnesota
Southeast North Dakota
* Effective this Monday afternoon and evening from 400 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 3
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
A tornado or two possible
SUMMARY...Thunderstorm development is expected soon along a cold
front moving slowly eastward into southeast North Dakota. The storm
environment will support supercells capable of producing very large
hail and damaging winds, and an isolated tornado cannot be ruled
out.
The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 55 miles north of Fargo
ND to 70 miles south of Fargo ND. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU1).
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 270...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
24030.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 271 SEVERE TSTM MN ND 082100Z - 090400Z
AXIS..45 STATUTE MILES EAST AND WEST OF LINE..
55N FAR/FARGO ND/ - 70S FAR/FARGO ND/
..AVIATION COORDS.. 40NM E/W /20SE GFK - 51S FAR/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 24030.
LAT...LON 47719585 45909588 45909776 47719779
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 271 Status Report Messages:
STATUS REPORT #4 ON WW 271
VALID 090345Z - 090400Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 NW VVV TO
10 S DTL.
WW 271 WILL BE ALLOWED TO EXPIRE AT 090400Z.
..DIAL..06/09/20
ATTN...WFO...FGF...
&&
STATUS REPORT FOR WS 271
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC167-090400-
MN
. MINNESOTA COUNTIES INCLUDED ARE
WILKIN
$$
NDC077-090400-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
RICHLAND
$$
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.
$$
STATUS REPORT #3 ON WW 271
VALID 090135Z - 090240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 884
..NAUSLAR..06/09/20
ATTN...WFO...FGF...
&&
STATUS REPORT FOR WS 271
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC027-087-107-167-090240-
MN
. MINNESOTA COUNTIES INCLUDED ARE
CLAY MAHNOMEN NORMAN
WILKIN
$$
NDC003-017-039-073-077-081-091-097-090240-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES CASS GRIGGS
RANSOM RICHLAND SARGENT
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 #2 ON WW 271
VALID 090025Z - 090140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 884
..NAUSLAR..06/09/20
ATTN...WFO...FGF...
&&
STATUS REPORT FOR WS 271
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC027-087-107-167-090140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
CLAY MAHNOMEN NORMAN
WILKIN
$$
NDC003-017-039-073-077-081-091-097-090140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES CASS GRIGGS
RANSOM RICHLAND SARGENT
STEELE TRAILL
$$
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.
$$
STATUS REPORT #1 ON WW 271
VALID 082235Z - 082340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..NAUSLAR..06/08/20
ATTN...WFO...FGF...
&&
STATUS REPORT FOR WS 271
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC027-087-107-167-082340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
CLAY MAHNOMEN NORMAN
WILKIN
$$
NDC003-017-039-073-077-081-091-097-082340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES CASS GRIGGS
RANSOM RICHLAND SARGENT
STEELE TRAILL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (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 (60%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (60%)
|
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.