Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 439
NWS Storm Prediction Center Norman OK
300 PM MDT Tue Jul 5 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central to northeast Montana
* Effective this Tuesday afternoon and evening from 300 PM until
1000 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
SUMMARY...Multiple supercells should spread northeast from central
into northeast Montana this evening with a threat for large hail and
severe wind gusts.
The severe thunderstorm watch area is approximately along and 80
statute miles north and south of a line from 55 miles east of Wolf
Point MT to 10 miles south of Harlowton MT. 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 436...WW 437...WW 438...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25035.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 439 SEVERE TSTM MT 052100Z - 060400Z
AXIS..80 STATUTE MILES NORTH AND SOUTH OF LINE..
55E OLF/WOLF POINT MT/ - 10S 3HT/HARLOWTON MT/
..AVIATION COORDS.. 70NM N/S /31W ISN - 47S LWT/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25035.
LAT...LON 46940439 45130983 47440983 49250439
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 439 Status Report Messages:
STATUS REPORT #5 ON WW 439
VALID 060155Z - 060240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..07/06/22
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 439
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-019-021-027-033-037-045-055-065-069-071-083-085-
087-091-095-097-103-105-107-111-060240-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
DANIELS DAWSON FERGUS
GARFIELD GOLDEN VALLEY JUDITH BASIN
MCCONE MUSSELSHELL PETROLEUM
PHILLIPS RICHLAND ROOSEVELT
ROSEBUD SHERIDAN STILLWATER
SWEET GRASS TREASURE VALLEY
WHEATLAND YELLOWSTONE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 439
VALID 060045Z - 060140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 N LVM TO
30 E 3HT TO 60 E LWT TO 90 NNW GGW.
..LEITMAN..07/06/22
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 439
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-009-019-021-033-037-055-065-069-071-079-083-085-087-091-
095-097-103-105-109-111-060140-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN CARBON DANIELS
DAWSON GARFIELD GOLDEN VALLEY
MCCONE MUSSELSHELL PETROLEUM
PHILLIPS PRAIRIE RICHLAND
ROOSEVELT ROSEBUD SHERIDAN
STILLWATER SWEET GRASS TREASURE
VALLEY WIBAUX YELLOWSTONE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 439
VALID 052350Z - 060040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..07/05/22
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 439
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-019-021-027-033-037-045-055-065-069-071-083-085-
087-091-095-097-103-105-107-111-060040-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
DANIELS DAWSON FERGUS
GARFIELD GOLDEN VALLEY JUDITH BASIN
MCCONE MUSSELSHELL PETROLEUM
PHILLIPS RICHLAND ROOSEVELT
ROSEBUD SHERIDAN STILLWATER
SWEET GRASS TREASURE VALLEY
WHEATLAND YELLOWSTONE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 439
VALID 052240Z - 052340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..07/05/22
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 439
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-019-021-027-033-037-045-055-065-069-071-083-085-
087-091-095-097-103-105-107-111-052340-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
DANIELS DAWSON FERGUS
GARFIELD GOLDEN VALLEY JUDITH BASIN
MCCONE MUSSELSHELL PETROLEUM
PHILLIPS RICHLAND ROOSEVELT
ROSEBUD SHERIDAN STILLWATER
SWEET GRASS TREASURE VALLEY
WHEATLAND YELLOWSTONE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 439
VALID 052135Z - 052240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..07/05/22
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 439
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-019-021-027-033-037-045-055-065-069-071-083-085-
087-091-095-097-103-105-107-111-052240-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
DANIELS DAWSON FERGUS
GARFIELD GOLDEN VALLEY JUDITH BASIN
MCCONE MUSSELSHELL PETROLEUM
PHILLIPS RICHLAND ROOSEVELT
ROSEBUD SHERIDAN STILLWATER
SWEET GRASS TREASURE VALLEY
WHEATLAND YELLOWSTONE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (50%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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.