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 319
NWS Storm Prediction Center Norman OK
600 PM CDT Tue Jun 30 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern North Dakota
Northeast South Dakota
* Effective this Tuesday night and Wednesday morning from 600 PM
until 100 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
A tornado or two possible
SUMMARY...Storms are expected to increase this evening near and
ahead of an eastward-advancing cold front across the Dakotas.
Damaging winds and severe hail will be possible with the strongest
storms.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 60 miles north of Devils
Lake ND to 45 miles west southwest of Watertown SD. 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 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
20030.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 319 SEVERE TSTM ND SD 302300Z - 010600Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
60N DVL/DEVILS LAKE ND/ - 45WSW ATY/WATERTOWN SD/
..AVIATION COORDS.. 60NM E/W /86SW YWG - 48SSE ABR/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 20030.
LAT...LON 48989738 44669657 44669942 48980046
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 319 Status Report Messages:
STATUS REPORT #4 ON WW 319
VALID 010535Z - 010600Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SE FAR TO
30 SW FAR TO 40 NW FAR TO 15 SW TVF.
WW 319 WILL BE ALLOWED TO EXPIRE AT 010600Z.
..GLEASON..07/01/20
ATTN...WFO...FGF...BIS...ABR...
&&
STATUS REPORT FOR WS 319
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC017-097-010600-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
CASS 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 319
VALID 010235Z - 010340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NNE HON
TO 15 SE ABR TO 50 N ABR TO 25 N JMS TO 15 WNW DVL TO 75 N DVL.
..BENTLEY..07/01/20
ATTN...WFO...FGF...BIS...ABR...
&&
STATUS REPORT FOR WS 319
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC003-017-019-021-027-031-035-039-045-063-067-071-073-077-081-
091-093-095-097-099-010340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES CASS CAVALIER
DICKEY EDDY FOSTER
GRAND FORKS GRIGGS LAMOURE
NELSON PEMBINA RAMSEY
RANSOM RICHLAND SARGENT
STEELE STUTSMAN TOWNER
TRAILL WALSH
$$
SDC013-025-029-037-039-051-057-091-109-010340-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN CLARK CODINGTON
DAY DEUEL GRANT
HAMLIN MARSHALL ROBERTS
$$
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.
$$
STATUS REPORT #2 ON WW 319
VALID 010135Z - 010240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 N HON TO
10 WSW ABR TO 55 NNW ABR TO 45 WNW JMS TO 45 WSW DVL TO 50 E MOT
TO 45 NE MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1063
..BENTLEY..07/01/20
ATTN...WFO...FGF...BIS...ABR...
&&
STATUS REPORT FOR WS 319
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC003-005-017-019-021-027-031-035-039-045-063-067-069-071-073-
077-079-081-091-093-095-097-099-103-010240-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES BENSON CASS
CAVALIER DICKEY EDDY
FOSTER GRAND FORKS GRIGGS
LAMOURE NELSON PEMBINA
PIERCE RAMSEY RANSOM
RICHLAND ROLETTE SARGENT
STEELE STUTSMAN TOWNER
TRAILL WALSH WELLS
$$
SDC013-025-029-037-039-051-057-091-109-115-010240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN CLARK CODINGTON
DAY DEUEL GRANT
HAMLIN MARSHALL ROBERTS
SPINK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 319
VALID 010035Z - 010140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW HON TO
25 WSW ABR TO 60 SW JMS TO 50 E BIS TO 45 NE BIS TO 30 ENE N60.
..BENTLEY..07/01/20
ATTN...WFO...FGF...BIS...ABR...
&&
STATUS REPORT FOR WS 319
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC003-005-017-019-021-027-031-035-039-043-045-047-051-063-067-
069-071-073-077-079-081-083-091-093-095-097-099-103-010140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BARNES BENSON CASS
CAVALIER DICKEY EDDY
FOSTER GRAND FORKS GRIGGS
KIDDER LAMOURE LOGAN
MCINTOSH NELSON PEMBINA
PIERCE RAMSEY RANSOM
RICHLAND ROLETTE SARGENT
SHERIDAN STEELE STUTSMAN
TOWNER TRAILL WALSH
WELLS
$$
SDC013-025-029-037-039-045-051-057-089-091-109-115-010140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
BROWN CLARK CODINGTON
DAY DEUEL EDMUNDS
GRANT HAMLIN MCPHERSON
MARSHALL ROBERTS SPINK
$$
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
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (70%)
|
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.