Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 265
NWS Storm Prediction Center Norman OK
910 PM CDT Sat Jun 6 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
much of North Dakota
eastern South Dakota
* Effective this Saturday night and Sunday morning from 910 PM
until 400 AM CDT.
* Primary threats include...
Widespread damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...A band of severe thunderstorms -- producing widespread
damaging winds -- will continue advancing rapidly northeastward
across the Dakotas tonight. In addition to the damaging wind
threat, hail will also be possible as storms progress across the
watch area.
The severe thunderstorm watch area is approximately along and 100
statute miles north and south of a line from 25 miles north
northwest of Williston ND to 35 miles east northeast of Aberdeen SD.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU5).
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 264...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24050.
...Goss
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 265
NWS Storm Prediction Center Norman OK
910 PM CDT Sat Jun 6 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
much of North Dakota
eastern South Dakota
* Effective this Saturday night and Sunday morning from 910 PM
until 400 AM CDT.
* Primary threats include...
Widespread damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...A band of severe thunderstorms -- producing widespread
damaging winds -- will continue advancing rapidly northeastward
across the Dakotas tonight. In addition to the damaging wind
threat, hail will also be possible as storms progress across the
watch area.
The severe thunderstorm watch area is approximately along and 100
statute miles north and south of a line from 25 miles north
northwest of Williston ND to 35 miles east northeast of Aberdeen SD.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU5).
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 264...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24050.
...Goss
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 265 SEVERE TSTM ND SD 070210Z - 070900Z
AXIS..100 STATUTE MILES NORTH AND SOUTH OF LINE..
25NNW ISN/WILLISTON ND/ - 35ENE ABR/ABERDEEN SD/
..AVIATION COORDS.. 85NM N/S /22NNW ISN - 29ENE ABR/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24050.
LAT...LON 49960384 47099775 44199775 47070384
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 265 Status Report Messages:
STATUS REPORT #2 ON WW 265
VALID 070610Z - 070740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNE PIR
TO 30 WNW ABR TO 30 S JMS TO 35 NNW JMS TO 35 ENE MOT TO 85 NNW
DVL.
..LEITMAN..06/07/20
ATTN...WFO...FGF...BIS...FSD...ABR...
&&
STATUS REPORT FOR WS 265
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC003-005-021-027-031-039-045-063-069-071-073-079-081-091-095-
070740-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES BENSON DICKEY
EDDY FOSTER GRIGGS
LAMOURE NELSON PIERCE
RAMSEY RANSOM ROLETTE
SARGENT STEELE TOWNER
$$
SDC005-013-017-025-029-037-045-049-057-059-069-073-091-111-115-
070740-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BEADLE BROWN BUFFALO
CLARK CODINGTON DAY
EDMUNDS FAULK HAMLIN
HAND HYDE JERAULD
MARSHALL SANBORN SPINK
$$
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.
$$
STATUS REPORT #1 ON WW 265
VALID 070345Z - 070440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E Y22 TO
45 NNE Y22 TO 20 ENE DIK TO 20 SE SDY.
..SPC..06/07/20
ATTN...WFO...FGF...BIS...FSD...ABR...
&&
STATUS REPORT FOR WS 265
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC003-005-009-013-015-021-023-025-027-029-031-039-043-045-047-
049-051-053-055-057-059-061-063-065-069-071-073-075-079-081-083-
091-093-095-101-103-105-070440-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES BENSON BOTTINEAU
BURKE BURLEIGH DICKEY
DIVIDE DUNN EDDY
EMMONS FOSTER GRIGGS
KIDDER LAMOURE LOGAN
MCHENRY MCINTOSH MCKENZIE
MCLEAN MERCER MORTON
MOUNTRAIL NELSON OLIVER
PIERCE RAMSEY RANSOM
RENVILLE ROLETTE SARGENT
SHERIDAN STEELE STUTSMAN
TOWNER WARD WELLS
WILLIAMS
$$
SDC003-005-013-017-025-029-035-037-043-045-049-057-059-069-073-
089-091-111-115-070440-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
AURORA BEADLE BROWN
BUFFALO CLARK CODINGTON
DAVISON DAY DOUGLAS
EDMUNDS FAULK HAMLIN
HAND HYDE JERAULD
MCPHERSON MARSHALL SANBORN
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
|
Low (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (50%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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 (>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.
weather.gov 
@NWSSPC
