Alert archive / Montana / Special Weather Statements in 2016
Special Weather Statement, NWS Great Falls, MT
NWS Great Falls, MT issued this special weather statement at Aug 8, 2016, 9:30 PM MDT for Pondera County, Montana. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2016, 9:30 PM MDT (03:30 UTC)
- Expired
- Aug 8, 2016, 10:15 PM MDT
- In force
- 45 min
- Issued by
- NWS Great Falls, MT
County Pondera County, MT
The radar
The Great Falls radar (KTFX), 115 km from the middle of the area, began a volume at 03:33 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Great_falls, MT (KTFX), launched 00:00Z, 3.5 hours before the alert went out and 151 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 75 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 3220 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before this special weather statement went out at Aug 8, 9:13 PM MDT, 17 minutes earlier.
Area forecast discussion, Aug 8, 9:13 PM MDT, 17 minutes before
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</html>In the hours before
Local storm report, Aug 8, 7:29 PM MDT, 2 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
729 PM MDT MON AUG 08 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0721 PM TSTM WND GST 17 SW SIMMS 47.29N 112.15W
08/08/2016 M46 MPH LEWIS AND CLARK MT DEPT OF HIGHWAYS
46 MPH WIND GUST AT THE DOT SENSOR NEAR BOWMANS CORNER
ON HIGHWAY 200.
&&
BRUSDASpecial weather statement, Aug 8, 7:32 PM MDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
732 PM MDT MON AUG 8 2016
MTZ012-013-049-090215-
CASCADE MT-EASTERN TETON MT-CHOUTEAU MT-
732 PM MDT MON AUG 8 2016
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHOUTEAU...NORTHERN
CASCADE...NORTHWESTERN JUDITH BASIN AND SOUTHEASTERN TETON COUNTIES
UNTIL 815 PM MDT...
AT 729 PM MDT...DOPPLER RADAR WAS TRACKING A DEVELOPING CLUSTER OF
SHOWERS AND THUNDERSTORMS 8 MILES EAST OF BLACK EAGLE...OR 9 MILES
NORTHEAST OF GREAT FALLS... MOVING NORTHEAST AT 25 MPH. ANOTHER
CLUSTER OF THUNDERSTORMS NEAR CASCADE WAS ALSO MOVING NORTHEAST AT
25 MPH.
WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORMS. STRONG
WIND GUSTS AND LIGHTNING STRIKES MAY OCCUR WELL AHEAD OF THESE
STORMS.
LOCATIONS IMPACTED INCLUDE...
GREAT FALLS...BELT...FORT SHAW...HIGHWOOD...FORT SHAW...
BLACK EAGLE...CARTER...SAND COULEE...SHONKIN...FLOWEREE...
ARMINGTON...FIRST PEOPLES BUFFALO JUMP STATE PARK...TRACY...
PORTAGE...VAUGHN...STOCKETT...CENTERVILLE...SUN RIVER...ULM AND EDEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER THAT LIGHTNING CAN STRIKE 10 MILES AWAY FROM A
THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 4754 11034 4741 11057 4741 11064 4738 11064
4736 11068 4736 11076 4729 11079 4719 11098
4712 11124 4745 11199 4790 11123
TIME...MOT...LOC 0129Z 217DEG 50KT 4756 11111
KJSpecial weather statement, Aug 8, 7:59 PM MDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 759 PM MDT MON AUG 8 2016 MTZ048-090245- SOUTHERN ROCKY MOUNTAIN FRONT MT- 759 PM MDT MON AUG 8 2016 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN TETON AND NORTH CENTRAL LEWIS AND CLARK COUNTIES UNTIL 845 PM MDT... AT 758 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11 MILES NORTHWEST OF AUGUSTA...OR 22 MILES SOUTHWEST OF CHOTEAU...MOVING NORTH AT 35 MPH. WIND GUSTS UP TO 40 MPH AND PEA-SIZE HAIL WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... PISHKUN RESERVOIR. LAT...LON 4750 11248 4757 11273 4794 11256 4787 11218 TIME...MOT...LOC 0158Z 200DEG 29KT 4761 11257 KJ
Special weather statement, Aug 8, 8:12 PM MDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREAT FALLS MT 812 PM MDT MON AUG 8 2016 MTZ012-013-048>050-090300- SOUTHERN ROCKY MOUNTAIN FRONT MT-CASCADE MT-EASTERN TETON MT- JUDITH BASIN MT-CHOUTEAU MT- 812 PM MDT MON AUG 8 2016 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHOUTEAU...NORTHERN CASCADE...NORTHWESTERN JUDITH BASIN...SOUTHEASTERN TETON AND CENTRAL LEWIS AND CLARK COUNTIES UNTIL 900 PM MDT... AT 811 PM MDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES SOUTHWEST OF FAIRFIELD TO NEAR GEYSER. MOVEMENT WAS NORTH-NORTHEAST AT 25 MPH. WIND GUSTS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS. STRONG WIND GUSTS AND LIGHTNING STRIKES MAY OCCUR WELL AHEAD OF THESE STORMS. LOCATIONS IMPACTED INCLUDE... GREAT FALLS...CHOTEAU...FAIRFIELD...BELT...DUTTON...GERALDINE... HIGHWOOD...FORT SHAW...POWER...GEYSER...FORT SHAW...BLACK EAGLE... AUGUSTA...FARMINGTON...RAYNESFORD...ARMINGTON... FIRST PEOPLES BUFFALO JUMP STATE PARK...TRACY...SQUARE BUTTE AND ULM. PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH SOME OF THESE STORMS. LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 4797 11225 4757 11010 4723 11049 4750 11251 TIME...MOT...LOC 0211Z 178DEG 22KT 4753 11212 4730 11060 KJ
Special weather statement, Aug 8, 8:43 PM MDT, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREAT FALLS MT
843 PM MDT MON AUG 8 2016
MTZ009-010-013-044>046-048-049-090330-
TOOLE MT-EASTERN PONDERA MT-EASTERN GLACIER MT-
SOUTHERN ROCKY MOUNTAIN FRONT MT-EASTERN TETON MT-CHOUTEAU MT-
LIBERTY MT-NORTHERN ROCKY MOUNTAIN FRONT MT-
843 PM MDT MON AUG 8 2016
...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL CHOUTEAU...
SOUTHWESTERN LIBERTY...TETON...SOUTHEASTERN GLACIER...SOUTHEASTERN
TOOLE...NORTHWESTERN LEWIS AND CLARK AND PONDERA COUNTIES UNTIL 930
PM MDT...
AT 842 PM MDT...DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG
A LINE EXTENDING FROM 26 MILES NORTHWEST OF AUGUSTA TO 9 MILES
SOUTHEAST OF POWER. MOVEMENT WAS NORTH AT 35 MPH.
WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
CONRAD...CHOTEAU...VALIER...DUTTON...BRADY...HEART BUTTE...
THE KNEES...BYNUM...FARMINGTON...DUPUYER...LEDGER...
COLLINS AND PENDROY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH SOME OF THESE
STORMS. LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK
A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 4829 11095 4773 11134 4779 11292 4795 11292
4798 11288 4801 11289 4804 11292 4832 11293
TIME...MOT...LOC 0242Z 199DEG 39KT 4770 11287 4765 11151
KJSpecial weather statement, Aug 8, 9:30 PM MDT, 0 minutes before
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 6:12 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 48 min |
| Aug 8, 6:37 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 38 min |
| Aug 8, 7:13 PM MDT | Special Weather Statement | TFX | Cascade | 47 min |
| Aug 8, 7:32 PM MDT | Special Weather Statement | TFX | Cascade | 43 min |
| Aug 8, 7:59 PM MDT | Special Weather Statement | TFX | Teton | 46 min |
| Aug 8, 8:12 PM MDT | Special Weather Statement | TFX | Teton | 48 min |
| Aug 8, 8:43 PM MDT | Special Weather Statement | TFX | Pondera, Teton | 47 min |
| Aug 9, 2:38 PM MDT | Special Weather Statement | TFX | Broadwater | 22 min |
| Aug 9, 2:45 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 30 min |
| Aug 9, 2:49 PM MDT | Special Weather Statement | TFX | Toole | 26 min |
| Aug 9, 3:37 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 23 min |
| Aug 9, 3:41 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 34 min |
| Aug 9, 3:48 PM MDT | Special Weather Statement | TFX | Teton | 27 min |
| Aug 9, 3:53 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 37 min |
| Aug 9, 3:56 PM MDT | Special Weather Statement | TFX | Teton | 49 min |
| Aug 9, 4:10 PM MDT | Special Weather Statement | TFX | Teton | 50 min |
| Aug 9, 4:17 PM MDT | Special Weather Statement | TFX | Cascade | 43 min |
| Aug 9, 4:27 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Pondera, Teton | 33 min |
| Aug 9, 4:30 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 30 min |
| Aug 9, 4:46 PM MDT | Special Weather Statement | TFX | Teton | 44 min |
| Aug 9, 4:57 PM MDT | Special Weather Statement | TFX | Cascade | 48 min |
| Aug 9, 5:01 PM MDT | Special Weather Statement | TFX | Teton | 44 min |
| Aug 9, 5:02 PM MDT | Special Weather Statement | TFX | Teton | 43 min |
| Aug 9, 5:27 PM MDT | Special Weather Statement | TFX | Cascade | 48 min |
| Aug 9, 5:34 PM MDT | Special Weather Statement | TFX | Cascade | 41 min |
| Aug 9, 5:37 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 23 min |
| Aug 9, 5:43 PM MDT | Special Weather Statement | TFX | Judith Basin | 47 min |
| Aug 9, 5:45 PM MDT | Special Weather Statement | TFX | Pondera | 45 min |
| Aug 9, 5:52 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 38 min |
| Aug 9, 5:56 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin, Meagher | 49 min |
Nearby
Special Weather Statements in Montana, 2016Every special weather statement in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.