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The expiration time in the watch graphic is amended if the watch is
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Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 259
NWS STORM PREDICTION CENTER NORMAN OK
400 PM MDT FRI JUN 5 2015
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND EASTERN MONTANA
* EFFECTIVE THIS FRIDAY AFTERNOON FROM 400 PM UNTIL MIDNIGHT MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE
SUMMARY...THUNDERSTORMS SHOULD CONTINUE TO DEVELOP...INCREASE IN
COVERAGE AND INTENSIFY ACROSS THE WATCH AREA THROUGH THE REST OF
THIS AFTERNOON AND EVENING. LARGE HAIL AND ISOLATED SEVERE GUSTS
ARE POSSIBLE INITIALLY...AND SOME STORM CLUSTERS MAY OFFER A LOCALLY
ENHANCED WIND THREAT TOWARD EARLY EVENING. SEE SPC MESOSCALE
DISCUSSION 900 FOR INITIAL METEOROLOGICAL REASONING.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 140
STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES WEST
SOUTHWEST OF BROADUS MONTANA TO 60 MILES NORTH NORTHWEST OF
GLASGOW MONTANA. 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 258...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24025.
...EDWARDS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 259 SEVERE TSTM MT 052200Z - 060600Z
AXIS..140 STATUTE MILES EAST AND WEST OF LINE..
75WSW 4BQ/BROADUS MT/ - 60NNW GGW/GLASGOW MT/
..AVIATION COORDS.. 120NM E/W /14NE SHR - 52NNW GGW/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24025.
LAT...LON 44970968 48971020 48970404 44970394
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 259 Status Report Messages:
STATUS REPORT #7 ON WW 259
VALID 060430Z - 060540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 WNW SHR
TO 60 N GGW.
..COHEN..06/06/15
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 259
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-011-017-019-021-025-033-055-075-079-083-085-087-091-103-
105-109-060540-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN CARTER CUSTER
DANIELS DAWSON FALLON
GARFIELD MCCONE POWDER RIVER
PRAIRIE RICHLAND ROOSEVELT
ROSEBUD SHERIDAN TREASURE
VALLEY WIBAUX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #6 ON WW 259
VALID 060340Z - 060440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 NE COD TO
60 N GGW.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 907
..COHEN..06/06/15
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 259
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-011-017-019-021-025-033-055-075-079-083-085-087-091-103-
105-109-060440-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN CARTER CUSTER
DANIELS DAWSON FALLON
GARFIELD MCCONE POWDER RIVER
PRAIRIE RICHLAND ROOSEVELT
ROSEBUD SHERIDAN TREASURE
VALLEY WIBAUX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 259
VALID 060245Z - 060340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NE COD TO
65 NNW GGW.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 907
..COHEN..06/06/15
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 259
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-011-015-017-019-021-025-027-033-037-041-045-055-
065-067-069-071-075-079-083-085-087-091-095-097-103-105-107-109-
111-060340-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
CARTER CHOUTEAU CUSTER
DANIELS DAWSON FALLON
FERGUS GARFIELD GOLDEN VALLEY
HILL JUDITH BASIN MCCONE
MUSSELSHELL PARK PETROLEUM
PHILLIPS POWDER RIVER PRAIRIE
RICHLAND ROOSEVELT ROSEBUD
SHERIDAN STILLWATER SWEET GRASS
TREASURE VALLEY WHEATLAND
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 #4 ON WW 259
VALID 060145Z - 060240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 905
..COHEN..06/06/15
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 259
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-011-015-017-019-021-025-027-033-037-041-045-055-
065-067-069-071-075-079-083-085-087-091-095-097-103-105-107-109-
111-060240-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
CARTER CHOUTEAU CUSTER
DANIELS DAWSON FALLON
FERGUS GARFIELD GOLDEN VALLEY
HILL JUDITH BASIN MCCONE
MUSSELSHELL PARK PETROLEUM
PHILLIPS POWDER RIVER PRAIRIE
RICHLAND ROOSEVELT ROSEBUD
SHERIDAN STILLWATER SWEET GRASS
TREASURE VALLEY WHEATLAND
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 259
VALID 060045Z - 060140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 905
..COHEN..06/06/15
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 259
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-011-015-017-019-021-025-027-033-037-041-045-055-
065-067-069-071-075-079-083-085-087-091-095-097-103-105-107-109-
111-060140-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
CARTER CHOUTEAU CUSTER
DANIELS DAWSON FALLON
FERGUS GARFIELD GOLDEN VALLEY
HILL JUDITH BASIN MCCONE
MUSSELSHELL PARK PETROLEUM
PHILLIPS POWDER RIVER PRAIRIE
RICHLAND ROOSEVELT ROSEBUD
SHERIDAN STILLWATER SWEET GRASS
TREASURE VALLEY WHEATLAND
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 #2 ON WW 259
VALID 052350Z - 060040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..COHEN..06/05/15
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 259
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-011-015-017-019-021-025-027-033-037-041-045-055-
065-067-069-071-075-079-083-085-087-091-095-097-103-105-107-109-
111-060040-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
CARTER CHOUTEAU CUSTER
DANIELS DAWSON FALLON
FERGUS GARFIELD GOLDEN VALLEY
HILL JUDITH BASIN MCCONE
MUSSELSHELL PARK PETROLEUM
PHILLIPS POWDER RIVER PRAIRIE
RICHLAND ROOSEVELT ROSEBUD
SHERIDAN STILLWATER SWEET GRASS
TREASURE VALLEY WHEATLAND
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 #1 ON WW 259
VALID 052230Z - 052340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..COHEN..06/05/15
ATTN...WFO...BYZ...TFX...GGW...
&&
STATUS REPORT FOR WS 259
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-005-009-011-015-017-019-021-025-027-033-037-041-045-055-
065-067-069-071-075-079-083-085-087-091-095-097-103-105-107-109-
111-052340-
MT
. MONTANA COUNTIES INCLUDED ARE
BIG HORN BLAINE CARBON
CARTER CHOUTEAU CUSTER
DANIELS DAWSON FALLON
FERGUS GARFIELD GOLDEN VALLEY
HILL JUDITH BASIN MCCONE
MUSSELSHELL PARK PETROLEUM
PHILLIPS POWDER RIVER PRAIRIE
RICHLAND ROOSEVELT ROSEBUD
SHERIDAN STILLWATER SWEET GRASS
TREASURE VALLEY WHEATLAND
WIBAUX YELLOWSTONE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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% (F2-F5 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.