Alert archive / Montana / Winter Storm Warnings in 2011
Winter Storm Warning 25, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Nov 14, 2011, 1:12 AM MST. It was in force for 16 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 14, 2011, 1:12 AM MST (08:12 UTC)
- Expired
- Nov 14, 2011, 5:00 PM MST
- In force
- 16 hr
- Issued by
- NWS Great Falls, MT
The text
As transmitted, in the capitals the NWS used until 2016.
573 WWUS45 KTFX 140812 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 112 AM MST MON NOV 14 2011 MTZ014-141300- /O.NEW.KTFX.WS.W.0025.111114T0812Z-111115T0000Z/ /O.CON.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ CENTRAL AND SOUTHERN LEWIS AND CLARK- INCLUDING THE FOLLOWING LOCATIONS...FLESHER PASS...LINCOLN... MACDONALD PASS...ROGERS PASS 112 AM MST MON NOV 14 2011 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS BELOW 5000 FEET EXCEPT FOR THE HELENA VALLEY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET FOR HEAVY SNOW... AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR SOUTHERN LEWIS AND CLARK COUNTY EXCEPT FOR THE HELENA VALLEY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES WILL CONTINUE OVER THE ROCKY MOUNTAINS...ESPECIALLY FROM JUST NORTH OF MACDONALD PASS TO NORTH OF LINCOLN. LIGHTER SNOWS CAN BE EXPECTED BELOW 5000 FEET. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 14 TO 18 INCHES CAN BE EXPECTED ABOVE 5000 FEET...WHILE MUCH LESSER SNOW AMOUNTS OF 2 T 4 INCHES IS EXPECTED BELOW 5000 FEET. FOR THE HELENA VALLEY...SNOW ACCUMULATIONS OF 1 TO 2 INCHES ARE POSSIBLE. * WINDS AND VISIBILITY: WINDS 25 TO 35 MPH CAUSING AREAS OF REDUCED VISIBILITY AT TIMES. VISIBILITIES MAY BE REDUCED TO BELOW ONE-QUARTER MILE AT TIMES IN AREAS OF BLOWING AND DRIFTING SNOW. * OTHER IMPACTS: ROADS ARE BECOMING SNOW COVERED AND SLIPPERY. HIGHER ELEVATION ROADWAYS AND BRIDGES ARE ALSO BECOMING ICE COVERED. REDUCE YOUR SPEEDS WHEN TRAVELING TONIGHT THROUGH MONDAY. * LOCATIONS AFFECTED INCLUDE: FLESHER PASS...LINCOLN... MACDONALD PASS AND ROGERS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ009-048-141300- /O.NEW.KTFX.WS.W.0025.111114T0812Z-111115T0000Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS 112 AM MST MON NOV 14 2011 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET FOR HEAVY SNOW...AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES IS EXPECTED OVER THE ROCKY MOUNTAIN FRONT FOR ELEVATIONS ABOVE 5000 FEET. THE SNOW WILL BEGIN TO DECREASE IN INTENSITY BY LATE MONDAY AFTERNOON. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES CAN BE EXPECTED BY LATE MONDAY AFTERNOON. * WINDS AND VISIBILITY: EXPECT WEST WINDS OF 15 TO 25 MPH...WITH GUSTS NEAR 30 MPH TO CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * ELEVATIONS: THE HEAVIEST SNOW WILL FALL AT ELEVATIONS ABOVE 5000 FEET. * OTHER IMPACTS: EXPECT MARIAS PASS TO BECOME SNOW COVERED AND SLIPPERY. * LOCATIONS AFFECTED INCLUDE: MARIAS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
4 follow-up statements
167 WWUS45 KTFX 141149 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 449 AM MST MON NOV 14 2011 MTZ014-142200- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ /O.CON.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ CENTRAL AND SOUTHERN LEWIS AND CLARK- INCLUDING THE FOLLOWING LOCATIONS...FLESHER PASS...LINCOLN... MACDONALD PASS...ROGERS PASS 449 AM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS BELOW 5000 FEET...EXCEPT FOR THE HELENA VALLEY... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON EXCEPT FOR THE HELENA VALLEY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES THIS MORNING...WILL CONTINUE ABOVE 5000 FEET FROM JUST NORTH OF MACDONALD PASS...TO NORTH OF LINCOLN. LIGHTER SNOWS CAN BE EXPECTED BELOW 5000 FEET. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 14 TO 18 INCHES CAN BE EXPECTED ABOVE 5000 FEET...WHILE MUCH LESSER SNOW AMOUNTS OF 2 TO 4 INCHES CAN BE EXPECTED IN THE WOLF CREEK AND CRAIG AREAS. FOR THE HELENA VALLEY...ADDITIONAL SNOW ACCUMULATIONS AROUND AN INCH ARE POSSIBLE. * WINDS AND VISIBILITY: WINDS 20 TO 30 MPH ARE CAUSING AREAS OF REDUCED VISIBILITY AT TIMES. VISIBILITIES MAY BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN AREAS OF BLOWING AND DRIFTING SNOW. * OTHER IMPACTS: ROADS ARE BECOMING SNOW COVERED AND SLIPPERY. HIGHER ELEVATION ROADWAYS AND BRIDGES ARE ALSO BECOMING ICE COVERED. REDUCE YOUR SPEEDS WHEN TRAVELING TODAY. * LOCATIONS AFFECTED INCLUDE: FLESHER PASS...LINCOLN...MACDONALD PASS...WOLF CREEK...CRAIG...AND ROGERS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ009-048-142200- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS 449 AM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES THIS MORNING...IS EXPECTED OVER THE ROCKY MOUNTAIN FRONT FOR ELEVATIONS ABOVE 5000 FEET. THE SNOW WILL BEGIN TO DECREASE IN INTENSITY BY LATE THIS AFTERNOON. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES CAN BE EXPECTED BY LATE THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET. * WINDS AND VISIBILITY: EXPECT WEST WINDS OF 15 TO 25 MPH...WITH GUSTS NEAR 30 MPH TO CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * ELEVATIONS: FOR ELEVATIONS ABOVE 5000 FEET. * OTHER IMPACTS: EXPECT MARIAS PASS ON HIGHWAY 2 TO BECOME SNOW COVERED AND SLIPPERY. * LOCATIONS AFFECTED INCLUDE: MARIAS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
117 WWUS45 KTFX 141846 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1146 AM MST MON NOV 14 2011 MTZ049-150000- /O.EXA.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...FAIRFIELD 1146 AM MST MON NOV 14 2011 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES THIS AFTERNOON... IS EXPECTED OVER TETON COUNTY. ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED THIS AFTERNOON. SNOW WILL BEGIN TO TAPER OFF THIS EVENING. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED THIS AFTERNOON...WITH STORM TOTALS REACHING 6 TO 12 INCHES. * WINDS AND VISIBILITY: EXPECT WEST WINDS OF 15 TO 25 MPH... WITH GUSTS NEAR 30 MPH TO CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * OTHER IMPACTS: EXPECT SNOW COVERED ROADWAYS THROUGH THE AFTERNOON. * LOCATIONS AFFECTED INCLUDE: AREAS SOUTH AND WEST OF CHOTEAU AND NORTHWEST OF FAIRFIELD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ012-013-050-150000- /O.EXA.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ CASCADE-CHOUTEAU-JUDITH BASIN- 1146 AM MST MON NOV 14 2011 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 4500 FEET... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR ELEVATIONS ABOVE 4500 FEET FOR HEAVY SNOW... WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES THIS AFTERNOON... IS EXPECTED IN HIGHWOOD MOUNTAINS. THE SNOW WILL BEGIN TO DECREASE IN INTENSITY BY THIS EVENING. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES CAN BE EXPECTED BY LATE THIS AFTERNOON FOR ELEVATIONS ABOVE 4500 FEET. * WINDS AND VISIBILITY: EXPECT WEST WINDS OF 15 TO 25 MPH... WITH GUSTS NEAR 30 MPH TO CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * ELEVATIONS: FOR ELEVATIONS ABOVE 4500 FEET. * OTHER IMPACTS: ROADS WILL BE SNOW COVERED THROUGH THE AFTERNOON. * LOCATIONS AFFECTED INCLUDE: THE HIGHWOOD MOUNTAINS INCLUDING SHONKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ014-150000- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ /O.CON.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ CENTRAL AND SOUTHERN LEWIS AND CLARK- INCLUDING THE FOLLOWING LOCATIONS...FLESHER PASS...LINCOLN... MACDONALD PASS...ROGERS PASS 1146 AM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS BELOW 5000 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES THIS AFTERNOON... WILL CONTINUE ABOVE 5000 FEET FROM JUST NORTH OF MACDONALD PASS...TO NORTH OF LINCOLN. LIGHTER SNOWS CAN BE EXPECTED BELOW 5000 FEET. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 14 TO 18 INCHES CAN BE EXPECTED ABOVE 5000 FEET...WHILE MUCH LESSER SNOW AMOUNTS OF 2 TO 4 INCHES CAN BE EXPECTED IN THE WOLF CREEK AND CRAIG AREAS. FOR THE HELENA VALLEY...ADDITIONAL SNOW ACCUMULATIONS AROUND AN INCH ARE POSSIBLE. * WINDS AND VISIBILITY: WINDS 20 TO 30 MPH ARE CAUSING AREAS OF REDUCED VISIBILITY AT TIMES. VISIBILITIES MAY BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN AREAS OF BLOWING AND DRIFTING SNOW. * OTHER IMPACTS: ROADS ARE BECOMING SNOW COVERED AND SLIPPERY. HIGHER ELEVATION ROADWAYS AND BRIDGES ARE ALSO BECOMING ICE COVERED. REDUCE YOUR SPEEDS WHEN TRAVELING TODAY. * LOCATIONS AFFECTED INCLUDE: FLESHER PASS...LINCOLN... MACDONALD PASS...ROGERS PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ009-048-150000- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS...CHOTEAU 1146 AM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES THIS AFTERNOON... IS EXPECTED OVER THE ROCKY MOUNTAIN FRONT FOR ELEVATIONS ABOVE 5000 FEET. THE SNOW WILL BEGIN TO DECREASE IN INTENSITY BY LATE THIS AFTERNOON. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES CAN BE EXPECTED BY LATE THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET. * WINDS AND VISIBILITY: EXPECT WEST WINDS OF 15 TO 25 MPH... WITH GUSTS NEAR 30 MPH TO CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * ELEVATIONS: FOR ELEVATIONS ABOVE 5000 FEET. * OTHER IMPACTS: EXPECT MARIAS PASS ON HIGHWAY 2 TO BECOME SNOW COVERED AND SLIPPERY. A BAND OF HEAVY SNOW WILL EXTEND INTO THE LOWER ELEVATIONS OF TETON COUNTY AS FAR EAST AS CHOTEAU. * LOCATIONS AFFECTED INCLUDE: CHOTEAU...MARIAS PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
886 WWUS45 KTFX 141938 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1238 PM MST MON NOV 14 2011 MTZ050-150000- /O.EXA.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ JUDITH BASIN- INCLUDING THE FOLLOWING LOCATIONS...STANFORD 1238 PM MST MON NOV 14 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR THE HIGHWOOD MOUNTAINS... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW FOR MOST OF THE REMAINDER OF JUDITH BASIN COUNTY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WINTER STORM WARNING FOR THE HIGHWOOD MOUNTAINS REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...IS EXPECTED THROUGH THIS AFTERNOON...ESPECIALLY IN HIGHWOOD MOUNTAINS. THE SNOW WILL BEGIN TO DECREASE IN INTENSITY BY THIS EVENING. * SNOW ACCUMULATIONS: 6 TO 12 INCHES OF SNOWFALL CAN BE EXPECTED BY LATE THIS AFTERNOON IN THE HIGHWOOD MOUNTAINS. ELSEWHERE...2 TO 4 INCHES OF SNOW ARE EXPECTED...WITH UP TO 6 INCHES POSSIBLE IN THE MOUNTAINS OF SOUTHERN JUDITH BASIN COUNTY. * WINDS AND VISIBILITY: WEST WINDS OF 10 TO 20 MPH WITH GUSTS NEAR 30 MPH MAY CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE MILE AT TIMES. * ELEVATIONS: THE WARNING IS FOR ELEVATIONS ABOVE 4500 FEET IN THE HIGHWOOD MOUNTAINS...WHILE THE ADVISORY IS IN EFFECT FOR THE REMAINDER OF THE AREA. * OTHER IMPACTS: ROADS WILL BE SNOW COVERED THROUGH THE AFTERNOON. * LOCATIONS AFFECTED INCLUDE: THE HIGHWOOD MOUNTAINS...AS WELL AS GEYSER...STANFORD...UTICA...AND HOBSON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ014-150000- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ /O.CON.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ CENTRAL AND SOUTHERN LEWIS AND CLARK- INCLUDING THE FOLLOWING LOCATIONS...FLESHER PASS...LINCOLN... MACDONALD PASS...ROGERS PASS 1238 PM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS BELOW 5000 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS AFTERNOON ABOVE 5000 FEET FROM JUST NORTH OF MACDONALD PASS...TO NORTH OF LINCOLN. LIGHTER SNOWS CAN BE EXPECTED BELOW 5000 FEET. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 14 TO 18 INCHES CAN BE EXPECTED ABOVE 5000 FEET...WHILE MUCH LESSER SNOW AMOUNTS OF 2 TO 4 INCHES CAN BE EXPECTED IN THE WOLF CREEK AND CRAIG AREAS. FOR THE HELENA VALLEY...ADDITIONAL SNOW ACCUMULATIONS AROUND AN INCH ARE POSSIBLE. * WINDS AND VISIBILITY: WINDS 20 TO 30 MPH ARE CAUSING AREAS OF REDUCED VISIBILITY AT TIMES. VISIBILITIES MAY BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN AREAS OF BLOWING AND DRIFTING SNOW. * OTHER IMPACTS: ROADS ARE BECOMING SNOW COVERED AND SLIPPERY. HIGHER ELEVATION ROADWAYS AND BRIDGES ARE ALSO BECOMING ICE COVERED. REDUCE YOUR SPEEDS WHEN TRAVELING TODAY. * LOCATIONS AFFECTED INCLUDE: FLESHER PASS...LINCOLN... MACDONALD PASS...ROGERS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ049-150000- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...FAIRFIELD 1238 PM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS AFTERNOON ACROSS MOST OF TETON COUNTY. SNOW WILL BEGIN TO TAPER OFF THIS EVENING. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED THIS AFTERNOON...WITH STORM TOTALS REACHING 6 TO 12 INCHES. * WINDS AND VISIBILITY: WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO NEAR 30 MPH WILL CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * OTHER IMPACTS: EXPECT SNOW COVERED ROADWAYS THROUGH THE AFTERNOON. * LOCATIONS AFFECTED INCLUDE: AREAS SOUTH AND WEST OF CHOTEAU AND NORTHWEST OF FAIRFIELD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ012-013-150000- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ CASCADE-CHOUTEAU- 1238 PM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 4500 FEET IN THE HIGHWOOD MOUNTAINS... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 4500 FEET IN THE HIGHWOOD MOUNTAINS REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS AFTERNOON IN HIGHWOOD MOUNTAINS. THE SNOW WILL BEGIN TO DECREASE IN INTENSITY BY THIS EVENING. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES CAN BE EXPECTED BY LATE THIS AFTERNOON FOR ELEVATIONS ABOVE 4500 FEET IN THE HIGHWOOD MOUNTAINS. * WINDS AND VISIBILITY: WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO NEAR 30 MPH WILL CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * ELEVATIONS: FOR ELEVATIONS ABOVE 4500 FEET IN THE HIGHWOOD MOUNTAINS. * OTHER IMPACTS: ROADS WILL BE SNOW COVERED THROUGH THE AFTERNOON. * LOCATIONS AFFECTED INCLUDE: THE HIGHWOOD MOUNTAINS INCLUDING SHONKIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ009-048-150000- /O.CON.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS...CHOTEAU 1238 PM MST MON NOV 14 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET ALONG THE ROCKY MOUNTAIN FRONT AND INCLUDING ELEVATIONS BELOW 5000 FEET IN TETON COUNTY... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET ALONG THE ROCKY MOUNTAIN FRONT...AS WELL AS ELEVATIONS BELOW 5000 FEET IN TETON COUNTY...REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS AFTERNOON ALONG THE ROCKY MOUNTAIN FRONT. THE SNOW WILL BEGIN TO DECREASE IN INTENSITY BY LATE THIS AFTERNOON. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES CAN BE EXPECTED BY LATE THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET ALONG THE ROCKY MOUNTAIN FRONT...AS WELL AS ELEVATIONS BELOW 5000 FEET IN TETON COUNTY. * WINDS AND VISIBILITY: WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO NEAR 30 MPH WILL CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. VISIBILITIES COULD BE REDUCED TO LESS THAN ONE QUARTER OF A MILE AT TIMES. * ELEVATIONS: FOR ELEVATIONS ABOVE 5000 FEET ALONG THE ROCKY MOUNTAIN FRONT...AS WELL AS FOR ELEVATIONS BELOW 5000 FEET IN TETON COUNTY. * OTHER IMPACTS: EXPECT MARIAS PASS ON HIGHWAY 2 TO BECOME SNOW COVERED AND SLIPPERY. A BAND OF HEAVY SNOW WILL EXTEND INTO THE LOWER ELEVATIONS OF TETON COUNTY AS FAR EAST AS CHOTEAU. * LOCATIONS AFFECTED INCLUDE: CHOTEAU...MARIAS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ051-150000- /O.EXA.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ FERGUS- INCLUDING THE FOLLOWING LOCATIONS...JUDITH GAP...LEWISTOWN... LEWISTOWN DIVIDE 1238 PM MST MON NOV 14 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS AFTERNOON ACROSS FERGUS COUNTY. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BELOW 5000 FEET...BUT 4 TO 7 INCHES ARE POSSIBLE ABOVE 5000 FEET. * WINDS AND VISIBILITY: WEST WINDS 15 TO 25 MPH WITH GUSTS TO NEAR 30 MPH WILL CAUSE AREAS OF REDUCED VISIBILITY AT TIMES. VISIBILITIES MAY BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. * OTHER IMPACTS: ROADS ARE BECOMING SNOW COVERED AND SLIPPERY. REDUCE YOUR SPEEDS WHEN TRAVELING TODAY. * LOCATIONS AFFECTED INCLUDE: LEWISTOWN...LEWISTOWN DIVIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
908 WWUS45 KTFX 142356 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 456 PM MST MON NOV 14 2011 MTZ050-150100- /O.EXP.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ /O.EXP.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ JUDITH BASIN- INCLUDING THE FOLLOWING LOCATIONS...STANFORD 456 PM MST MON NOV 14 2011 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 4500 FEET... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON... THE WINTER STORM WARNING FOR ELEVATIONS ABOVE 4500 FEET WILL EXPIRE AT 5 PM MST THIS AFTERNOON. THE WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW SHOWERS WILL DECREASE IN INTENSITY EARLY THIS EVENING ALTHOUGH SOME SHOWERS MAY STILL PRODUCE LOCALIZED SNOWFALL AMOUNTS OF ONE TO TWO INCHES. $$ MTZ014-150100- /O.EXP.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ /O.EXP.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ CENTRAL AND SOUTHERN LEWIS AND CLARK- INCLUDING THE FOLLOWING LOCATIONS...FLESHER PASS...LINCOLN... MACDONALD PASS...ROGERS PASS 456 PM MST MON NOV 14 2011 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR ELEVATIONS BELOW 5000 FEET... THE WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET WILL EXPIRE AT 5 PM MST THIS AFTERNOON. THE WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 5000 FEET WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW SHOWERS WILL DECREASE IN INTENSITY EARLY THIS EVENING ALTHOUGH SOME SHOWERS MAY STILL PRODUCE LOCALIZED SNOWFALL AMOUNTS OF ONE TO TWO INCHES. $$ MTZ049-150100- /O.EXP.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...FAIRFIELD 456 PM MST MON NOV 14 2011 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW SHOWERS WILL DECREASE IN INTENSITY EARLY THIS EVENING ALTHOUGH SOME SHOWERS MAY STILL PRODUCE LOCALIZED SNOWFALL AMOUNTS OF ONE TO TWO INCHES. $$ MTZ012-013-150100- /O.EXP.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ CASCADE-CHOUTEAU- 456 PM MST MON NOV 14 2011 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 4500 FEET... THE WINTER STORM WARNING FOR ELEVATIONS ABOVE 4500 FEET WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW SHOWERS WILL DECREASE IN INTENSITY EARLY THIS EVENING ALTHOUGH SOME SHOWERS MAY STILL PRODUCE LOCALIZED SNOWFALL AMOUNTS OF ONE TO TWO INCHES. $$ MTZ009-048-150100- /O.EXP.KTFX.WS.W.0025.000000T0000Z-111115T0000Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS...CHOTEAU 456 PM MST MON NOV 14 2011 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON FOR ELEVATIONS ABOVE 5000 FEET... THE WINTER STORM WARNING FOR ELEVATIONS ABOVE 5000 FEET WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW SHOWERS WILL DECREASE IN INTENSITY EARLY THIS EVENING ALTHOUGH SOME SHOWERS MAY STILL PRODUCE LOCALIZED SNOWFALL AMOUNTS OF ONE TO TWO INCHES. $$ MTZ051-150100- /O.EXP.KTFX.WW.Y.0050.000000T0000Z-111115T0000Z/ FERGUS- INCLUDING THE FOLLOWING LOCATIONS...JUDITH GAP...LEWISTOWN... LEWISTOWN DIVIDE 456 PM MST MON NOV 14 2011 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW SHOWERS WILL DECREASE IN INTENSITY EARLY THIS EVENING ALTHOUGH SOME SHOWERS MAY STILL PRODUCE LOCALIZED SNOWFALL AMOUNTS OF ONE TO TWO INCHES. $$
What forecasters said that day
The local office's own words before this winter storm warning 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 winter storm warning went out at Nov 14, 12:55 AM MST, 17 minutes earlier.
Area forecast discussion, Nov 14, 12:55 AM MST, 17 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 1255 AM MST MON NOV 14 2011 UPDATED FORECAST AT 1 AM THIS MORNING .UPDATE... 1 AM UPDATE...DID A QUICK UPDATE TO ADD A WINTER STORM WARNING ALONG THE DIVIDE ABOVE 5000 FEET. SNOTELS REPORTING 6 TO 12 INCHES IN THE PAST FEW HOURS FROM BADGER PASS SOUTH TO LINCOLN. A SNOW ADVISORY IS IN EFFECT FOR ELEVATIONS BELOW 5000 FEET IN SOUTHERN LEWIS AND CLARK COUNTY...EXPECT THE HELENA VALLEY...WHERE SNOW AMOUNTS OF ONLY AN INCH OR SO ARE EXPECTED IN THE VALLEY. BRUSDA PREVIOUS UPDATE...9 PM SUNDAY EVENING. SOME MINOR CHANGES TO GOING FORECAST THIS EVENING. WINDS HAVE DECREASED ACROSS THE REGION AND THIS ALLOWING TEMPERATURES TO COOL SLIGHTLY MORE THAN EXPECTED IN SOME LOCATIONS. AS WINDS RISE AND FALL AT TIMES THROUGH THE NIGHT...TEMPERATURES TO FOLLOW SAME TREND. ALSO CONTINUE TO SEE BANDS OF SNOW COMING OVER THE CONTINENTAL DIVIDE FROM NEAR LINCOLN NORTHWARD. SNOW IS COUPLED WITH CONTINUED GUSTY WINDS IN MOUNTAIN PASSES AND RESULTING BLOWING SNOW CREATING ICY ROAD CONDITIONS AND LOW VISIBILITIES AT TIMES...PARTICULARLY IN LINCOLN AND ROGERS PASS AREA. ISSUED A WINTER WEATHER ADVISORY THROUGH MONDAY TO ADDRESS THESE CONDITIONS. HIGH WIND WARNING FOR AREAS ALONG THE ROCKY MOUNTAIN FRONT TO REMAIN IN PLACE. WHILE WINDS HAVE CURRENTLY DECREASE BELOW WARNING CRITERIA IN MOST AREAS...DO EXPECT THEM TO INCREASE AGAIN TO NEAR OR ABOVE WARNING CRITERIA BY MONDAY LATE MORNING. && .AVIATION... UPDATED 0545Z. A MOIST NORTHWEST FLOW ALOFT WILL PERSIST OVER THE FORECAST AREA TONIGHT THROUGH MONDAY EVENING. BREEZY TO WINDY CONDITIONS WILL CONTINUE ACROSS THE REGION WITH THE STRONGEST WINDS EXPECTED ALONG EAST SLOPES OF THE CONTINENTAL DIVIDE AND OVER THE ADJACENT PLAINS MONDAY AFTERNOON. SCATTERED SNOW SHOWERS OVERNIGHT WILL INCREASE IN COVERAGE ON MONDAY. VFR CONDITIONS ARE EXPECTED TO PREVAIL AT MOST TERMINALS BUT AREAS IFR/MVFR CONDITIONS ARE EXPECTED IN PRECIPITATION. MOUNTAINS WILL LIKELY BE OBSCURED IN MANY LOCATIONS. MPJ && .PREV DISCUSSION... /ISSUED 455 PM MST SUN NOV 13 2011/ THIS EVENING THROUGH TUESDAY EVENING...STRONG NORTHWEST FLOW ALOFT WILL PERSIST THROUGH THE SHORT-TERM PERIOD AS THE NRN ROCKIES REMAIN IN THE TRANSITION ZONE BETWEEN THE DEEP LONGWAVE TROF THAT EXTENDS FROM FAR NORTH CENTRAL CANADA TO TEXAS AND THE LARGE HIGH PRESSURE RIDGE IN THE ERN PACIFIC. JET STREAM WINDS ARE MOVING THRU THE TRANSITION ZONE AS WELL...WHICH COMBINED WITH THE GRADIENT BETWEEN THE TWO LARGE UPPER LEVEL SYSTEMS...WILL CONTINUE TO PRODUCE WIDESPREAD WINDY CONDITIONS ACROSS OUR REGION. CURRENT HIGH WIND HEADLINES REMAIN IN EFFECT WITH NO CHANGES. THE JET STREAM IS ALSO BRINGING IN A STEADY STREAM OF PACIFIC MOISTURE...RESULTING IN PERIODS OF LIGHT RAIN/SNOW SHOWERS THAT DEVELOP IN NARROW BANDS AND MOVE QUICKLY ACROSS AN AREA. GIVEN THEIR QUICK MOVEMENT AND LOW PRECIPITABLE WATER...THESE BANDS ARE NOT PRODUCING MUCH IN TERMS OF ACCUMULATION SO FAR. FORECAST MODELS SHOW THE NEXT SHORTWAVE TROF IN THE FLOW WILL ARRIVE TOMORROW...BRINGING A BIT MORE MOISTURE AND A BACKDOOR COLD FRONT (ARRIVING FROM THE NORTH-NORTHEAST) THAT WILL GIVE AN INCREASED CHANCE FOR MEASURABLE SNOW THRU MONDAY NIGHT. BUT EVEN WITH THE SLIGHTLY MORE FAVORABLE CONDITIONS...TOTAL SNOW AMOUNTS ARE STILL EXPECTED TO BE LIGHT WITH LESS THAN AN INCH TO TWO INCHES IN SOME SPOTS OVER THE VALLEYS AND PLAINS AND 2 TO 4 INCHES IN THE MTNS. PROBABILITY OF SNOW DECREASES ON TUESDAY AS THE CONDITIONS BECOME MORE STABLE AND DRIER IN RESPONSE TO THE PACIFIC RIDGE PUSHING EASTWARD. HIGH TEMPERATURES WILL REMAIN 10-15 DEG BELOW NORMAL ON MON/TUES AS THE BACKDOOR FRONT WILL USHER IN A COLDER CANADIAN AIR MASS THAT WILL LINGER UNTIL MID-WEEK. WARANAUSKAS TUESDAY NIGHT THROUGH SUNDAY...MEDIUM RANGE MODELS IN DECENT AGREEMENT TO START THE PERIOD. AN UPPER TROF EXITS THE AREA TUESDAY NIGHT FOLLOWED BY UPPER RIDGING WEDNESDAY AND DRIER CONDITIONS. THE UPPER RIDGE DOES NOT LAST LONG AS AN UPPER TROF ALONG THE WEST COAST DEVELOPS SOUTHWEST FLOW ALOFT THAT BRINGS INSTABILITY IN THE FORM OF SHORT WAVE ENERGY AND MOISTURE ACROSS THE AREA. SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP OVER THE AREA ON THURSDAY. THE UPPER TROF BROADENS AS IT PUSHES EAST ON FRIDAY AND BEGINS TO DRAG COOLER AIR ACROSS THE AREA RESULTING IN SCATTERED SNOW. BY SATURDAY...THE MOIST SOUTHWEST FLOW ALOFT WILL OVERRUN THE COLDER AIR MASS IN PLACE EAST OF THE CONTINENTAL DIVIDE WITH SCATTERED SNOW INCREASING IN AREAL COVERAGE. THE UPPER RIDGE AXIS BEGINS TO MOVE ACROSS THE AREA SUNDAY AND SNOW SHOWERS WILL BECOME ISOLATED. TEMPERATURES WILL BE NEAR SEASONAL AVERAGES TO START THE PERIOD BUT COLDER AIR WILL DROP TEMPERATURES SOME 20 DEGREES BELOW SEASONAL AVERAGES FRIDAY AND THROUGH THE WEEKEND. && .PRELIMINARY POINT TEMPS/POPS... GTF 23 37 18 32 / 40 60 30 20 CTB 23 36 14 32 / 40 50 30 20 HLN 27 39 17 31 / 50 60 30 30 BZN 22 39 15 30 / 50 50 20 20 WEY 14 27 12 24 / 40 50 40 40 DLN 21 35 15 29 / 50 50 30 40 HVR 26 39 16 35 / 30 50 20 10 LWT 24 34 14 28 / 30 50 20 20 && .TFX WATCHES/WARNINGS/ADVISORIES... HIGH WIND WARNING UNTIL 5 PM MST MONDAY CASCADE...CHOUTEAU... EASTERN TETON...FERGUS...JUDITH BASIN...SOUTHERN ROCKY MOUNTAIN FRONT. HIGH WIND WARNING UNTIL 5 PM MST MONDAY NORTHERN ROCKY MOUNTAIN FRONT. WINTER WEATHER ADVISORY UNTIL 5 PM MST MONDAY CENTRAL AND SOUTHERN LEWIS AND CLARK BELOW 5000 FEET...EXCEPT FOR THE HELENA VALLEY. WINTER STORM WARNING 5000 FEET AND ABOVE FOR THE ROCKY MOUNTAIN FRONT FROM NORTH OF HELENA TO THE CANADIAN BORDER. && SHORT TERM...BRUSDA LONG TERM...SUK AVIATION...MPJ WEATHER.GOV/GREATFALLS
Hazardous weather outlook, Nov 13, 10:02 AM MST, 15 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREAT FALLS MT 1002 AM MST SUN NOV 13 2011 MTZ009-048-141715- NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- 1002 AM MST SUN NOV 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT A HIGH WIND WARNING CONTINUES THROUGH TONIGHT. WINDS MAY DECREASE AT TIMES BUT ARE EXPECTED TO REMAIN STRONG MUCH OF THE DAY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE HIGH WIND WARNING IS IN EFFECT THROUGH MONDAY AFTERNOON. ANOTHER WEATHER SYSTEM IN UNSETTLED NORTHWEST FLOW ALOFT WILL BRING A CHANCE FOR LIGHT SNOW ON MONDAY...WITH A COLD DAY EXPECTED ON TUESDAY. A MUCH COLDER AIRMASS WILL MOVE INTO THE REGION LATE THIS WEEK...WITH INCREASING CHANCES FOR SNOW NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... REPORT ANY HIGH WIND OBSERVATIONS OR SIGNIFICANT WEATHER IMPACTS TO THE NATIONAL WEATHER SERVICE OFFICE IN GREAT FALLS. MTZ014-141715- CENTRAL AND SOUTHERN LEWIS AND CLARK- 1002 AM MST SUN NOV 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT A HIGH WIND WARNING CONTINUES THROUGH THIS AFTERNOON. WINDS MAY DECREASE AT TIMES BUT ARE EXPECTED TO REMAIN STRONG MUCH OF THE DAY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ANOTHER WEATHER SYSTEM IN UNSETTLED NORTHWEST FLOW ALOFT WILL BRING A CHANCE FOR LIGHT SNOW ON MONDAY...WITH A COLD DAY EXPECTED ON TUESDAY. A MUCH COLDER AIRMASS WILL MOVE INTO THE REGION LATE THIS WEEK...WITH INCREASING CHANCES FOR SNOW NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... REPORT ANY HIGH WIND OBSERVATIONS OR SIGNIFICANT WEATHER IMPACTS TO THE NATIONAL WEATHER SERVICE OFFICE IN GREAT FALLS. MTZ012-013-049>051-141715- CASCADE-CHOUTEAU-EASTERN TETON-JUDITH BASIN-FERGUS- 1002 AM MST SUN NOV 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MONTANA AND NORTH CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT A HIGH WIND WARNING IS IN EFFECT THROUGH TONIGHT. WINDS MAY DECREASE AT TIMES BUT ARE EXPECTED TO REMAIN STRONG MUCH OF THE DAY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE HIGH WIND WARNING CONTINUES THROUGH MONDAY AFTERNOON. ANOTHER WEATHER SYSTEM IN AN UNSETTLED NORTHWEST FLOW ALOFT WILL BRING A CHANCE FOR LIGHT SNOW ON MONDAY...WITH A COLD DAY EXPECTED ON TUESDAY. A MUCH COLDER AIRMASS WILL MOVE INTO THE REGION LATE THIS WEEK...WITH INCREASING CHANCES FOR SNOW NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... REPORT ANY HIGH WIND OBSERVATIONS OR SIGNIFICANT WEATHER IMPACTS TO THE NATIONAL WEATHER SERVICE OFFICE IN GREAT FALLS. MTZ010-011-044>047-141715- EASTERN GLACIER-HILL-TOOLE-LIBERTY-EASTERN PONDERA-BLAINE- 1002 AM MST SUN NOV 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER FOR TODAY IS LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A HIGH WIND WARNING IS IN EFFECT THROUGH MONDAY. ANOTHER WEATHER SYSTEM IN AN UNSETTLED NORTHWEST FLOW ALOFT WILL BRING A CHANCE FOR LIGHT SNOW ON MONDAY...WITH A COLD DAY EXPECTED ON TUESDAY. A MUCH COLDER AIRMASS WILL MOVE INTO THE REGION LATE THIS WEEK...WITH INCREASING CHANCES FOR SNOW NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MTZ008-015-052>055-141715- BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-MEAGHER-GALLATIN- 1002 AM MST SUN NOV 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER FOR TODAY IS LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ANOTHER WEATHER SYSTEM IN AN UNSETTLED NORTHWEST FLOW ALOFT WILL BRING A CHANCE FOR LIGHT SNOW ON MONDAY...WITH A COLD DAY EXPECTED ON TUESDAY. A MUCH COLDER AIRMASS WILL MOVE INTO THE REGION LATE THIS WEEK...WITH INCREASING CHANCES FOR SNOW NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Nov 14, 12:12 AM MST, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1212 AM MST MON NOV 14 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0108 PM NON-TSTM WND GST 5 ESE DENTON 47.30N 109.85W
11/13/2011 M50 MPH FERGUS MT DEPT OF HIGHWAYS
50 MPH PEAK WIND GUST AT THE DOT SENSOR JUST EAST OF
DENTON.
&&
BRUSDALocal storm report, Nov 14, 12:20 AM MST, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1220 AM MST MON NOV 14 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0130 AM NON-TSTM WND GST 7 ESE HILGER 47.22N 109.22W
11/13/2011 M57 MPH FERGUS MT MESONET
57 MPH WIND GUST AT THE JUDITH PEAK RAWS LOCATION.
&&
BRUSDALocal storm report, Nov 14, 12:21 AM MST, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1221 AM MST MON NOV 14 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0130 PM NON-TSTM WND GST 7 ESE HILGER 47.22N 109.22W
11/13/2011 M56 MPH FERGUS MT MESONET
56 MPH WIND GUST AT THE JUDITH PEAK RAWS LOCATION.
&&
BRUSDALocal storm report, Nov 14, 12:23 AM MST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1223 AM MST MON NOV 14 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 PM SNOW 14 SW HEART BUTTE 48.13N 113.02W
11/13/2011 E6.0 INCH PONDERA MT MESONET
ESTIMATED 6 INCHES OF NEW SNOW IN THE PAST 12 HOURS AT
THE BADGER PASS SNOTEL. ELEVATION IS 6900 FEET.
&&
BRUSDALocal storm report, Nov 14, 12:28 AM MST, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1228 AM MST MON NOV 14 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1000 PM HEAVY SNOW 9 NNW LINCOLN 47.08N 112.73W
11/13/2011 E12.0 INCH LEWIS AND CLARK MT MESONET
ESTIMATED 12 INCHES OF NEW SNOW IN THE PAST 24 HOURS AT
THE COPPER CAMP SNOTEL. ELEVATION IS 6950 FEET.
&&
BRUSDALocal storm report, Nov 14, 12:44 AM MST, 28 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GREAT FALLS MT
1244 AM MST MON NOV 14 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0815 PM NON-TSTM WND GST 14 W BYNUM 47.98N 112.61W
11/12/2011 M65 MPH TETON MT MESONET
GUST TO 65 MPH AT DELLWO MSCN SITE
0821 PM NON-TSTM WND GST 8 SE EAST GLACIER PARK 48.37N 113.10W
11/12/2011 M84 MPH GLACIER MT MESONET
84 MPH WIND GUST MEASURED AT DEEP CREEK RAWS SITE
0905 PM NON-TSTM WND GST HEART BUTTE 48.29N 112.84W
11/12/2011 M68 MPH PONDERA MT MESONET
68 MPH WIND GUST MEASURED AT THE HEART BUTTE RAWS
1040 PM NON-TSTM WND GST 5 S CASCADE 47.20N 111.70W
11/12/2011 M55 MPH CASCADE MT TRAINED SPOTTER
55 MPH PEAK GUST.
1145 PM NON-TSTM WND GST 4 S CASCADE 47.22N 111.71W
11/12/2011 M64 MPH CASCADE MT TRAINED SPOTTER
GUST TO 64 MPH AT CASCADE 4 MILES SOUTH
0130 AM NON-TSTM WND GST 7 ESE HILGER 47.22N 109.22W
11/13/2011 M57 MPH FERGUS MT MESONET
57 MPH WIND GUST AT THE JUDITH PEAK RAWS LOCATION.
0900 AM NON-TSTM WND GST 8 SE EAST GLACIER PARK 48.37N 113.10W
11/13/2011 M61 MPH GLACIER MT MESONET
61 MPH WIND GUST AT THE DEEP CREEK RAWS LOCATION.
1100 AM NON-TSTM WND GST 14 W BYNUM 47.98N 112.61W
11/13/2011 M53 MPH TETON MT MESONET
53 MPH WIND GUST AT THE DELLWO MSCN SITE.
0108 PM NON-TSTM WND GST 5 ESE DENTON 47.30N 109.85W
11/13/2011 M50 MPH FERGUS MT DEPT OF HIGHWAYS
50 MPH PEAK WIND GUST AT THE DOT SENSOR JUST EAST OF
DENTON.
0116 PM NON-TSTM WND GST 15 WNW WOLF CREEK 47.09N 112.37W
11/13/2011 M56 MPH LEWIS AND CLARK MT DEPT OF HIGHWAYS
56 MPH PEAK WIND GUST AT THE ROGERS PASS DOT SENSOR.
0130 PM NON-TSTM WND GST 7 ESE HILGER 47.22N 109.22W
11/13/2011 M56 MPH FERGUS MT MESONET
56 MPH WIND GUST AT THE JUDITH PEAK RAWS LOCATION.
0300 PM NON-TSTM WND GST 13 WSW SAINT MARY 48.69N 113.71W
11/13/2011 M92 MPH GLACIER MT MESONET
92 MPH PEAK WIND GUST AT THE LOGAN PASS VISITOR CENTER
IN GLACIER NATIONAL PARK.
0500 PM NON-TSTM WND GST 3 WNW TOWNSEND 46.33N 111.59W
11/13/2011 M61 MPH BROADWATER MT MESONET
61 MPH PEAK WIND GUST AT THE GINGER RAWS LOCATION.
0700 PM SNOW 14 SW HEART BUTTE 48.13N 113.02W
11/13/2011 E6.0 INCH PONDERA MT MESONET
ESTIMATED 6 INCHES OF NEW SNOW IN THE PAST 12 HOURS AT
THE BADGER PASS SNOTEL. ELEVATION IS 6900 FEET.
1000 PM HEAVY SNOW 9 NNW LINCOLN 47.08N 112.73W
11/13/2011 E12.0 INCH LEWIS AND CLARK MT MESONET
ESTIMATED 12 INCHES OF NEW SNOW IN THE PAST 24 HOURS AT
THE COPPER CAMP SNOTEL. ELEVATION IS 6950 FEET.
&&
BRUSDAThe office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 13, 8:41 PM MST | Winter Weather Advisory | TFX | 20 hr |
Nearby
Winter Storm Warnings in Montana, 2011Every winter storm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.