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 445
NWS Storm Prediction Center Norman OK
250 PM MDT Wed Jul 6 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Montana
Far north-central Wyoming
* Effective this Wednesday afternoon and evening from 250 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
A tornado or two possible
SUMMARY...Several thunderstorm regimes are expected from western,
central, southern, and northeast Montana this evening. The strongest
cells may eventually consolidate into a cluster across mainly
central portions of the state.
The severe thunderstorm watch area is approximately along and 95
statute miles north and south of a line from 60 miles south
southeast of Glasgow MT to 45 miles northwest of Helena MT. 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 442...WW 443...WW 444...
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
25030.
...Grams
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 445
NWS Storm Prediction Center Norman OK
250 PM MDT Wed Jul 6 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Montana
Far north-central Wyoming
* Effective this Wednesday afternoon and evening from 250 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
A tornado or two possible
SUMMARY...Several thunderstorm regimes are expected from western,
central, southern, and northeast Montana this evening. The strongest
cells may eventually consolidate into a cluster across mainly
central portions of the state.
The severe thunderstorm watch area is approximately along and 95
statute miles north and south of a line from 60 miles south
southeast of Glasgow MT to 45 miles northwest of Helena MT. 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 442...WW 443...WW 444...
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
25030.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 445 SEVERE TSTM MT WY 062050Z - 070400Z
AXIS..95 STATUTE MILES NORTH AND SOUTH OF LINE..
60SSE GGW/GLASGOW MT/ - 45NW HLN/HELENA MT/
..AVIATION COORDS.. 85NM N/S /52SSE GGW - 40NW HLN/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25030.
LAT...LON 46040613 45681268 48431268 48790613
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 445 Status Report Messages:
STATUS REPORT #5 ON WW 445
VALID 070145Z - 070230Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE LVM TO
40 SSE GTF TO 60 WSW HVR TO 40 W HVR.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1407
..SMITH..07/07/22
ATTN...WFO...BYZ...TFX...GGW...MSO...
&&
STATUS REPORT FOR WS 445
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-013-015-019-027-033-037-041-045-051-055-059-065-
067-069-071-083-085-087-091-095-097-103-105-107-111-070230-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
CASCADE CHOUTEAU DANIELS
FERGUS GARFIELD GOLDEN VALLEY
HILL JUDITH BASIN LIBERTY
MCCONE MEAGHER MUSSELSHELL
PARK PETROLEUM PHILLIPS
RICHLAND ROOSEVELT ROSEBUD
SHERIDAN STILLWATER SWEET GRASS
TREASURE VALLEY WHEATLAND
YELLOWSTONE
$$
WYC033-070230-
WY
. WYOMING COUNTIES INCLUDED ARE
SHERIDAN
$$
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.
$$
STATUS REPORT #4 ON WW 445
VALID 070035Z - 070130Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 E BZN TO
20 N HLN TO 35 ESE CTB.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1406
..SMITH..07/07/22
ATTN...WFO...BYZ...TFX...GGW...MSO...
&&
STATUS REPORT FOR WS 445
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-007-009-013-015-019-027-033-037-041-045-051-055-059-
065-067-069-071-083-085-091-095-097-105-107-111-070130-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE BROADWATER
CARBON CASCADE CHOUTEAU
DANIELS FERGUS GARFIELD
GOLDEN VALLEY HILL JUDITH BASIN
LIBERTY MCCONE MEAGHER
MUSSELSHELL PARK PETROLEUM
PHILLIPS RICHLAND ROOSEVELT
SHERIDAN STILLWATER SWEET GRASS
VALLEY WHEATLAND YELLOWSTONE
$$
WYC033-070130-
WY
. WYOMING COUNTIES INCLUDED ARE
SHERIDAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 445
VALID 062335Z - 070040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1406.
..LEITMAN..07/06/22
ATTN...WFO...BYZ...TFX...GGW...MSO...
&&
STATUS REPORT FOR WS 445
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-007-009-013-015-019-023-027-031-033-037-041-043-045-
049-051-055-059-065-067-069-071-073-077-083-085-091-093-095-097-
099-105-107-111-070040-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE BROADWATER
CARBON CASCADE CHOUTEAU
DANIELS DEER LODGE FERGUS
GALLATIN GARFIELD GOLDEN VALLEY
HILL JEFFERSON JUDITH BASIN
LEWIS AND CLARK LIBERTY MCCONE
MEAGHER MUSSELSHELL PARK
PETROLEUM PHILLIPS PONDERA
POWELL RICHLAND ROOSEVELT
SHERIDAN SILVER BOW STILLWATER
SWEET GRASS TETON VALLEY
WHEATLAND YELLOWSTONE
$$
WYC033-070040-
WY
. WYOMING COUNTIES INCLUDED ARE
SHERIDAN
$$
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.
$$
STATUS REPORT #2 ON WW 445
VALID 062250Z - 062340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..07/06/22
ATTN...WFO...BYZ...TFX...GGW...MSO...
&&
STATUS REPORT FOR WS 445
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-007-009-013-015-019-023-027-031-033-037-041-043-045-
049-051-055-059-065-067-069-071-073-077-083-085-091-093-095-097-
099-105-107-111-062340-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE BROADWATER
CARBON CASCADE CHOUTEAU
DANIELS DEER LODGE FERGUS
GALLATIN GARFIELD GOLDEN VALLEY
HILL JEFFERSON JUDITH BASIN
LEWIS AND CLARK LIBERTY MCCONE
MEAGHER MUSSELSHELL PARK
PETROLEUM PHILLIPS PONDERA
POWELL RICHLAND ROOSEVELT
SHERIDAN SILVER BOW STILLWATER
SWEET GRASS TETON VALLEY
WHEATLAND YELLOWSTONE
$$
WYC033-062340-
WY
. WYOMING COUNTIES INCLUDED ARE
SHERIDAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 445
VALID 062135Z - 062240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LEITMAN..07/06/22
ATTN...WFO...BYZ...TFX...GGW...MSO...
&&
STATUS REPORT FOR WS 445
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-007-009-013-015-019-023-027-031-033-037-041-043-045-
049-051-055-059-065-067-069-071-073-077-083-085-091-093-095-097-
099-105-107-111-062240-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE BROADWATER
CARBON CASCADE CHOUTEAU
DANIELS DEER LODGE FERGUS
GALLATIN GARFIELD GOLDEN VALLEY
HILL JEFFERSON JUDITH BASIN
LEWIS AND CLARK LIBERTY MCCONE
MEAGHER MUSSELSHELL PARK
PETROLEUM PHILLIPS PONDERA
POWELL RICHLAND ROOSEVELT
SHERIDAN SILVER BOW STILLWATER
SWEET GRASS TETON VALLEY
WHEATLAND YELLOWSTONE
$$
WYC033-062240-
WY
. WYOMING COUNTIES INCLUDED ARE
SHERIDAN
$$
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 (50%)
|
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
|
Mod (40%)
|
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.