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 379
NWS Storm Prediction Center Norman OK
1230 PM CDT Fri Jul 17 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central North Dakota
* Effective this Friday afternoon and evening from 1230 PM until
800 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...Scattered thunderstorms will continue to develop over
western North Dakota this afternoon and track eastward across the
watch area. Very large hail and damaging winds are possible, along
with a tornado or two.
The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 75 miles northeast of
Minot ND to 45 miles east of Lemmon 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
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27035.
...Hart
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 379
NWS Storm Prediction Center Norman OK
1230 PM CDT Fri Jul 17 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central North Dakota
* Effective this Friday afternoon and evening from 1230 PM until
800 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...Scattered thunderstorms will continue to develop over
western North Dakota this afternoon and track eastward across the
watch area. Very large hail and damaging winds are possible, along
with a tornado or two.
The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 75 miles northeast of
Minot ND to 45 miles east of Lemmon 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
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27035.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 379 SEVERE TSTM ND 171730Z - 180100Z
AXIS..85 STATUTE MILES EAST AND WEST OF LINE..
75NE MOT/MINOT ND/ - 45E Y22/LEMMON SD/
..AVIATION COORDS.. 75NM E/W /66NE MOT - 55NNE DPR/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27035.
LAT...LON 49029823 45919947 45910300 49020199
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 379 Status Report Messages:
STATUS REPORT #8 ON WW 379
VALID 180025Z - 180140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSW Y22
TO 35 WNW BIS TO 45 ENE N60 TO 15 N DVL TO 35 NW GFK TO 20 SW TVF
TO 30 WNW BJI TO 45 SSE RRT TO 35 E RRT.
..COOK..07/18/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC119-180140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
POLK
$$
NDC005-015-027-029-031-035-037-043-059-063-065-069-071-083-085-
099-103-180140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
BENSON BURLEIGH EDDY
EMMONS FOSTER GRAND FORKS
GRANT KIDDER MORTON
NELSON OLIVER PIERCE
RAMSEY SHERIDAN SIOUX
WALSH WELLS
$$
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.
$$
STATUS REPORT #7 ON WW 379
VALID 172335Z - 180040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W Y22 TO
20 WNW N60 TO 70 N MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1253
..COOK..07/17/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC069-089-113-119-125-135-180040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
KITTSON MARSHALL PENNINGTON
POLK RED LAKE ROSEAU
$$
NDC001-005-009-015-019-027-029-031-035-037-041-043-049-055-057-
059-063-065-067-069-071-075-079-083-085-095-099-101-103-
180040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BENSON BOTTINEAU
BURLEIGH CAVALIER EDDY
EMMONS FOSTER GRAND FORKS
GRANT HETTINGER KIDDER
MCHENRY MCLEAN MERCER
MORTON NELSON OLIVER
PEMBINA PIERCE RAMSEY
RENVILLE ROLETTE SHERIDAN
SIOUX TOWNER WALSH
WARD WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #6 ON WW 379
VALID 172310Z - 180040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W Y22 TO
20 WNW N60 TO 70 N MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1253
..COOK..07/17/20
ATTN...WFO...FGF...BIS...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC069-089-113-119-125-135-180040-
MN
. MINNESOTA COUNTIES INCLUDED ARE
KITTSON MARSHALL PENNINGTON
POLK RED LAKE ROSEAU
$$
NDC001-005-009-015-019-027-029-031-035-037-041-043-049-055-057-
059-063-065-067-069-071-075-079-083-085-095-099-101-103-
180040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BENSON BOTTINEAU
BURLEIGH CAVALIER EDDY
EMMONS FOSTER GRAND FORKS
GRANT HETTINGER KIDDER
MCHENRY MCLEAN MERCER
MORTON NELSON OLIVER
PEMBINA PIERCE RAMSEY
RENVILLE ROLETTE SHERIDAN
SIOUX TOWNER WALSH
WARD WELLS
$$
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.
$$
STATUS REPORT #5 ON WW 379
VALID 172240Z - 172340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NE 2WX TO
70 NNW MOT.
..COOK..07/17/20
ATTN...WFO...BIS...FGF...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC069-089-113-119-125-135-172340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
KITTSON MARSHALL PENNINGTON
POLK RED LAKE ROSEAU
$$
NDC001-005-009-015-019-025-027-029-031-035-037-041-043-049-055-
057-059-061-063-065-067-069-071-075-079-083-085-089-095-099-101-
103-172340-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BENSON BOTTINEAU
BURLEIGH CAVALIER DUNN
EDDY EMMONS FOSTER
GRAND FORKS GRANT HETTINGER
KIDDER MCHENRY MCLEAN
MERCER MORTON MOUNTRAIL
NELSON OLIVER PEMBINA
PIERCE RAMSEY RENVILLE
ROLETTE SHERIDAN SIOUX
STARK TOWNER WALSH
WARD WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 379
VALID 172145Z - 172240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NE 2WX TO
70 NNW MOT.
..COOK..07/17/20
ATTN...WFO...BIS...FGF...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC069-089-113-119-125-135-172240-
MN
. MINNESOTA COUNTIES INCLUDED ARE
KITTSON MARSHALL PENNINGTON
POLK RED LAKE ROSEAU
$$
NDC001-005-009-015-019-025-027-029-031-035-037-041-043-049-055-
057-059-061-063-065-067-069-071-075-079-083-085-089-095-099-101-
103-172240-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BENSON BOTTINEAU
BURLEIGH CAVALIER DUNN
EDDY EMMONS FOSTER
GRAND FORKS GRANT HETTINGER
KIDDER MCHENRY MCLEAN
MERCER MORTON MOUNTRAIL
NELSON OLIVER PEMBINA
PIERCE RAMSEY RENVILLE
ROLETTE SHERIDAN SIOUX
STARK TOWNER WALSH
WARD WELLS
$$
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.
$$
STATUS REPORT #3 ON WW 379
VALID 172045Z - 172140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NE 2WX TO
75 NNW MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1251
..MOORE..07/17/20
ATTN...WFO...BIS...FGF...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MNC069-089-113-119-125-135-172140-
MN
. MINNESOTA COUNTIES INCLUDED ARE
KITTSON MARSHALL PENNINGTON
POLK RED LAKE ROSEAU
$$
NDC001-005-009-015-019-025-027-029-031-035-037-041-043-049-055-
057-059-061-063-065-067-069-071-075-079-083-085-089-095-099-101-
103-172140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BENSON BOTTINEAU
BURLEIGH CAVALIER DUNN
EDDY EMMONS FOSTER
GRAND FORKS GRANT HETTINGER
KIDDER MCHENRY MCLEAN
MERCER MORTON MOUNTRAIL
NELSON OLIVER PEMBINA
PIERCE RAMSEY RENVILLE
ROLETTE SHERIDAN SIOUX
STARK TOWNER WALSH
WARD WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 379
VALID 171945Z - 172040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNE 2WX
TO 75 NNW MOT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1249
..MOORE..07/17/20
ATTN...WFO...BIS...FGF...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC001-005-009-015-019-025-027-029-031-037-041-043-049-055-057-
059-061-065-067-069-071-075-079-083-085-089-095-099-101-103-
172040-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BENSON BOTTINEAU
BURLEIGH CAVALIER DUNN
EDDY EMMONS FOSTER
GRANT HETTINGER KIDDER
MCHENRY MCLEAN MERCER
MORTON MOUNTRAIL OLIVER
PEMBINA PIERCE RAMSEY
RENVILLE ROLETTE SHERIDAN
SIOUX STARK TOWNER
WALSH WARD WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 379
VALID 171855Z - 171940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 N 2WX TO
85 NNW MOT.
..MOORE..07/17/20
ATTN...WFO...BIS...FGF...
&&
STATUS REPORT FOR WS 379
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NDC001-005-009-015-019-025-027-029-031-037-041-043-049-055-057-
059-061-065-069-071-075-079-083-085-089-095-101-103-171940-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BENSON BOTTINEAU
BURLEIGH CAVALIER DUNN
EDDY EMMONS FOSTER
GRANT HETTINGER KIDDER
MCHENRY MCLEAN MERCER
MORTON MOUNTRAIL OLIVER
PIERCE RAMSEY RENVILLE
ROLETTE SHERIDAN SIOUX
STARK TOWNER WARD
WELLS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
High (70%)
|
Probability of 1 or more hailstones > 2 inches
|
High (70%)
|
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.