Alert archive / Montana / Winter Storm Warnings in 2011
Winter Storm Warning 18, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Apr 13, 2011, 5:22 AM MDT. It took effect at Apr 13, 2011, 6:00 PM MDT. It was in force for 11 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
- Apr 13, 2011, 5:22 AM MDT (11:22 UTC)
- In effect from
- Apr 13, 2011, 6:00 PM MDT
- Expired
- Apr 14, 2011, 4:41 AM MDT
- In force
- 11 hr
- Issued by
- NWS Great Falls, MT
The text
As transmitted, in the capitals the NWS used until 2016.
999 WWUS45 KTFX 131122 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 522 AM MDT WED APR 13 2011 MTZ008-009-012-014-015-048-052>055-131800- /O.NEW.KTFX.WS.W.0018.110414T0000Z-110414T1800Z/ /O.NEW.KTFX.WW.Y.0037.110414T0000Z-110414T1800Z/ BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-CASCADE- CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...BROWNING... MARIAS PASS...GREAT FALLS...KINGS HILL PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...CHOTEAU...BOULDER... BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... TOWNSEND...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 522 AM MDT WED APR 13 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS ABOVE 6500 FEET... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS BELOW 6500 FEET... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR ELEVATIONS ABOVE 6500 FEET FOR HEAVY SNOW... WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET FOR SNOW...IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. * TIMING AND MAIN IMPACT: RAIN AND ISOLATED THUNDERSTORMS WILL DEVELOP BY LATE AFTERNOON ALONG THE ROCKY MOUNTAIN FRONT AND OVER SOUTHWEST MONTANA. THE RAIN WILL CHANGE TO SNOW DURING THE EVENING. SNOW MAY BE HEAVY AT TIMES IN THE MOUNTAINS. BY EARLY THURSDAY MORNING THE BAND OF SNOW WILL BEGIN TO MOVE EAST AND SNOW SHOULD DECREASE. * SNOW ACCUMULATIONS: 2 TO 5 INCHES OF WET SNOW IS POSSIBLE AT LOWER ELEVATIONS WITH 8 TO 12 INCHES POSSIBLE AT ELEVATIONS ABOVE 6500 FEET. * WINDS AND VISIBILITY: WEST WINDS WILL BECOME 20 TO 30 MPH THURSDAY AFTERNOON WITH GUSTS TO 40 MPH. THIS WILL CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. * OTHER IMPACTS: ROAD SURFACES MAY BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. * LOCATIONS AFFECTED INCLUDE: CHOTEAU...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS... TOWNSEND...GREAT FALLS...KINGS HILL PASS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE 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. && $$ MTZ010-011-013-044>047-049>051-131800- /O.NEW.KTFX.WW.Y.0037.110414T0600Z-110415T0000Z/ EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA- BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD...CHINOOK... FAIRFIELD...STANFORD...JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 522 AM MDT WED APR 13 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY. * TIMING AND MAIN IMPACT: SNOW WILL BEGIN IN THE CUT BANK AREA BY MIDNIGHT AND MOVE EAST...REACHING HAVRE BY EARLY THURSDAY MORNING. THE SNOW WILL GRADUALLY END BY EARLY THURSDAY EVENING. * SNOW ACCUMULATIONS: 2 TO 4 INCHES OF HEAVY WET SNOW IS POSSIBLE. * WINDS AND VISIBILITY: WEST WINDS WILL INCREASE TO 15 TO 25 MPH THURSDAY AFTERNOON WITH GUSTS TO 30 MPH. THIS MAY CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. * OTHER IMPACTS: ROAD SURFACES MAY BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. . LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD... JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE...SHELBY... CHINOOK...BIG SANDY...FORT BENTON...CONRAD...HAVRE...CUT BANK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
4 follow-up statements
940 WWUS45 KTFX 131733 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1133 AM MDT WED APR 13 2011 MTZ008-009-012-014-015-048-052>055-140615- /O.CON.KTFX.WS.W.0018.110414T0000Z-110414T1800Z/ /O.CON.KTFX.WW.Y.0037.110414T0000Z-110414T1800Z/ BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-CASCADE- CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...BROWNING... MARIAS PASS...GREAT FALLS...KINGS HILL PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...CHOTEAU...BOULDER... BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... TOWNSEND...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 1133 AM MDT WED APR 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS ABOVE 6500 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS BELOW 6500 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 6500 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET FOR SNOW...IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. * TIMING AND MAIN IMPACT: RAIN AND ISOLATED THUNDERSTORMS WILL DEVELOP BY LATE AFTERNOON ALONG THE ROCKY MOUNTAIN FRONT AND OVER SOUTHWEST MONTANA. THE RAIN WILL CHANGE TO SNOW DURING THE EVENING. SNOW MAY BE HEAVY AT TIMES IN THE MOUNTAINS. BY EARLY THURSDAY MORNING THE BAND OF SNOW WILL BEGIN TO MOVE EAST AND SNOW SHOULD DECREASE. * SNOW ACCUMULATIONS: 2 TO 5 INCHES OF WET SNOW IS POSSIBLE AT LOWER ELEVATIONS WITH 8 TO 12 INCHES POSSIBLE AT ELEVATIONS ABOVE 6500 FEET. * WINDS AND VISIBILITY: WEST WINDS WILL BECOME 20 TO 30 MPH THURSDAY AFTERNOON WITH GUSTS TO 40 MPH. THIS WILL CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. * OTHER IMPACTS: ROAD SURFACES MAY BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. * LOCATIONS AFFECTED INCLUDE: CHOTEAU...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS... TOWNSEND...GREAT FALLS...KINGS HILL PASS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE 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. && $$ MTZ010-011-013-044>047-049>051-140615- /O.CON.KTFX.WW.Y.0037.110414T0600Z-110415T0000Z/ EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA- BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD...CHINOOK... FAIRFIELD...STANFORD...JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 1133 AM MDT WED APR 13 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY. * TIMING AND MAIN IMPACT: SNOW WILL BEGIN IN THE CUT BANK AREA BYMIDNIGHT AND MOVE EAST...REACHING HAVRE BY EARLY THURSDAY MORNING. THE SNOW WILL GRADUALLY END BY EARLY THURSDAY EVENING. * SNOW ACCUMULATIONS: 2 TO 4 INCHES OF HEAVY WET SNOW IS POSSIBLE. * WINDS AND VISIBILITY: WEST WINDS WILL INCREASE TO 15 TO 25 MPH THURSDAY AFTERNOON WITH GUSTS TO 30 MPH. THIS MAY CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. * OTHER IMPACTS: ROAD SURFACES MAY BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. . LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD... JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE...SHELBY... CHINOOK... BIG SANDY...FORT BENTON...CONRAD...HAVRE...CUT BANK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
327 WWUS45 KTFX 132059 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 259 PM MDT WED APR 13 2011 MTZ008-009-012-014-015-048-052>055-141115- /O.CON.KTFX.WS.W.0018.110414T0000Z-110414T1800Z/ /O.CON.KTFX.WW.Y.0037.110414T0000Z-110414T1800Z/ BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-CASCADE- CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...BROWNING... MARIAS PASS...GREAT FALLS...KINGS HILL PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...CHOTEAU...BOULDER... BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... TOWNSEND...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 259 PM MDT WED APR 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS ABOVE 6500 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS BELOW 6500 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 6500 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET FOR SNOW...IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. * TIMING AND MAIN IMPACT: RAIN AND ISOLATED THUNDERSTORMS WILL DEVELOP BY LATE AFTERNOON ALONG THE ROCKY MOUNTAIN FRONT AND OVER SOUTHWEST MONTANA. THE RAIN WILL CHANGE TO SNOW DURING THE EVENING. SNOW WILL BE HEAVY AT TIMES IN THE MOUNTAINS. BY EARLY THURSDAY MORNING THE SNOW WILL BEGIN TO MOVE EAST AND SNOW SHOULD DECREASE. * SNOW ACCUMULATIONS: 2 TO 4 INCHES OF WET SNOW IS LIKELY AT LOWER ELEVATIONS WITH 6 TO 12 INCHES LIKELY AT ELEVATIONS ABOVE 6500 FEET. * WINDS AND VISIBILITY: WEST WINDS WILL BECOME 20 TO 30 MPH LATE TONIGHT AND THURSDAY MORNING WITH GUSTS TO 40 MPH. THIS WILL CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES...MAINLY FOR THE MOUNTAINS OF THE ROCKY MOUNTAIN FRONT. * OTHER IMPACTS: ROAD SURFACES COULD BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. * LOCATIONS AFFECTED INCLUDE: CHOTEAU...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS... TOWNSEND...GREAT FALLS...KINGS HILL PASS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE 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. && $$ MTZ010-011-013-044>047-049>051-141115- /O.CON.KTFX.WW.Y.0037.110414T0600Z-110415T0000Z/ EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA- BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD...CHINOOK... FAIRFIELD...STANFORD...JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 259 PM MDT WED APR 13 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY. * TIMING AND MAIN IMPACT: SNOW WILL BEGIN IN THE CUT BANK AREA NEAR MIDNIGHT AND MOVE EAST...REACHING HAVRE BY EARLY THURSDAY MORNING. THE SNOW WILL GRADUALLY END BY NOON OVER THE EAST SLOPES AND BY LATE AFTERNOON OVER HILL AND BLAINE COUNTIES. * SNOW ACCUMULATIONS: 1 TO 3 INCHES OF HEAVY WET SNOW IS EXPECTED OVER THE PLAINS AND 3 TO 6 INCHES OVER THE MOUNTAINS. * WINDS AND VISIBILITY: WEST WINDS 15 TO 25 MPH WILL DEVELOP ALONG THE EAST SLOPES THURSDAY MORNING WHILE EAST WINDS OF 15 TO 25 MPH OVER HILL AND BLAINE COUNTIES WILL SLOWLY DIMINISH THURSDAY MORNING. THIS COULD CAUSE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. * OTHER IMPACTS: ROAD SURFACES COULD BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. . LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD... JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE...SHELBY... CHINOOK... BIG SANDY...FORT BENTON...CONRAD...HAVRE...CUT BANK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
429 WWUS45 KTFX 140325 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 925 PM MDT WED APR 13 2011 MTZ008-009-012-014-015-048-052>055-141130- /O.CON.KTFX.WS.W.0018.000000T0000Z-110414T1800Z/ /O.CON.KTFX.WW.Y.0037.000000T0000Z-110414T1800Z/ BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-CASCADE- CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...BROWNING... MARIAS PASS...GREAT FALLS...KINGS HILL PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...CHOTEAU...BOULDER... BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... TOWNSEND...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 925 PM MDT WED APR 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT THURSDAY FOR ELEVATIONS ABOVE 6500 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT THURSDAY FOR ELEVATIONS BELOW 6500 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 6500 FEET REMAINS IN EFFECT UNTIL NOON MDT THURSDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET REMAINS IN EFFECT UNTIL NOON MDT THURSDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6500 FEET FOR SNOW...IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY. * TIMING AND MAIN IMPACT: RAIN HAS CHANGED TO SNOW FOR THE LOWER ELEVATIONS OF THE WESTERN PORTION OF SOUTHWEST MONTANA. RAIN FARTHER EAST IN THE VALLEYS WILL SWITCH TO SNOW LATER WEDNESDAY EVENING THROUGH SHORTLY AFTER MIDNIGHT. SNOW WILL BE HEAVY AT TIMES IN THE MOUNTAINS. BY EARLY THURSDAY MORNING THE SNOW WILL BEGIN TO MOVE EAST AND SNOW SHOULD DECREASE. * SNOW ACCUMULATIONS: 2 TO 4 INCHES OF WET SNOW IS LIKELY AT LOWER ELEVATIONS WITH 6 TO 12 INCHES LIKELY AT ELEVATIONS ABOVE 6500 FEET. * WINDS AND VISIBILITY: WEST WINDS WILL BECOME 20 TO 30 MPH LATE TONIGHT AND THURSDAY MORNING WITH GUSTS TO 40 MPH. THIS WILL CAUSE AREAS OF BLOWING SNOW AND POOR VISIBILITIES... MAINLY FOR THE MOUNTAINS OF THE ROCKY MOUNTAIN FRONT. * OTHER IMPACTS: ROAD SURFACES COULD BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW...MAINLY OVER THE MOUNTAINS. * LOCATIONS AFFECTED INCLUDE: CHOTEAU...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS... TOWNSEND...GREAT FALLS...KINGS HILL PASS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE 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. && $$ MTZ010-011-013-044>047-049>051-141130- /O.CON.KTFX.WW.Y.0037.110414T0600Z-110415T0000Z/ EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA- BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD...CHINOOK... FAIRFIELD...STANFORD...JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 925 PM MDT WED APR 13 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY. * TIMING AND MAIN IMPACT: SNOW WILL BEGIN IN THE CUT BANK AREA NEAR MIDNIGHT AND MOVE EAST...REACHING HAVRE BY EARLY THURSDAY MORNING. THE SNOW WILL GRADUALLY END DURING THE MORNING OVER THE EAST SLOPES AND BY LATE AFTERNOON OVER HILL AND BLAINE COUNTIES. * SNOW ACCUMULATIONS: 1 TO 3 INCHES OF HEAVY WET SNOW IS EXPECTED OVER THE PLAINS AND 3 TO 6 INCHES OVER THE MOUNTAINS. * WINDS AND VISIBILITY: WEST WINDS 15 TO 25 MPH WILL DEVELOP ALONG THE EAST SLOPES THURSDAY MORNING WHILE EAST WINDS OF 15 TO 25 MPH OVER HILL AND BLAINE COUNTIES WILL SLOWLY DIMINISH THURSDAY MORNING. THIS COULD CAUSE AREAS OF BLOWING SNOW AND POOR VISIBILITIES...MAINLY IN THE MOUNTAINS. * OTHER IMPACTS: ROAD SURFACES COULD BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. . LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD... JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE...SHELBY... CHINOOK... BIG SANDY...FORT BENTON...CONRAD...HAVRE...CUT BANK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
821 WWUS45 KTFX 141041 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 441 AM MDT THU APR 14 2011 MTZ008-009-012-014-015-048-052>055-141145- /O.CAN.KTFX.WS.W.0018.000000T0000Z-110414T1800Z/ /O.CAN.KTFX.WW.Y.0037.000000T0000Z-110414T1800Z/ BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-CASCADE- CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...BROWNING... MARIAS PASS...GREAT FALLS...KINGS HILL PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...CHOTEAU...BOULDER... BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... TOWNSEND...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 441 AM MDT THU APR 14 2011 ...WINTER STORM WARNING IS CANCELED... ...WINTER WEATHER ADVISORY IS CANCELED... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELED THE WINTER STORM WARNING. THE WINTER WEATHER ADVISORY HAS BEEN CANCELED. SOME LIGHT SNOW WILL CONTINUE THROUGH THE MORNING BUT NO SIGNIFICANT ACCUMULATIONS ARE EXPECTED. TEMPERATURES HAVE REMAINED NEAR TO ABOVE FREEZING AND MOST PRECIPITATION WILL FALL AS RAIN. $$ MTZ010-044-046-049>051-141145- /O.CAN.KTFX.WW.Y.0037.000000T0000Z-110415T0000Z/ EASTERN GLACIER-TOOLE-EASTERN PONDERA-EASTERN TETON-JUDITH BASIN- FERGUS- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...SHELBY...CONRAD... FAIRFIELD...STANFORD...JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 441 AM MDT THU APR 14 2011 ...WINTER WEATHER ADVISORY IS CANCELED... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELED THE WINTER WEATHER ADVISORY. A MIX OF RAIN AND SNOW WILL CONTINUE THROUGH THE MORNING BUT LITTLE TO NO SNOW ACCUMULATION IS EXPECTED. $$ MTZ011-013-045-047-141800- /O.CON.KTFX.WW.Y.0037.000000T0000Z-110415T0000Z/ HILL-CHOUTEAU-LIBERTY-BLAINE- INCLUDING THE FOLLOWING LOCATIONS...HAVRE...BIG SANDY... FORT BENTON...CHESTER...CHINOOK 441 AM MDT THU APR 14 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * TIMING AND MAIN IMPACT: SNOW WILL CONTINUE OVER THE AREA THROUGH THE MORNING AND TAPER OFF DURING THE AFTERNOON. * SNOW ACCUMULATIONS: 1 TO 3 INCHES OF HEAVY WET SNOW IS POSSIBLE OVER THE PLAINS AND 3 TO 5 INCHES OVER THE MOUNTAINS. * WINDS AND VISIBILITY: EAST WINDS 15 TO 25 MPH THIS MORNING WILL SHIFT TO THE WEST DURING THE AFTERNOON. THESE WINDS COULD CAUSE AREAS OF BLOWING SNOW AND POOR VISIBILITIES...MAINLY IN THE MOUNTAINS. * OTHER IMPACTS: ROAD SURFACES COULD BECOME SLICK WITH ACCUMULATIONS OF SLUSH AND WET SNOW. . LOCATIONS AFFECTED INCLUDE: CHINOOK...BIG SANDY...FORT BENTON... HAVRE...CHESTER. 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. && $$
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 Apr 13, 4:41 AM MDT, 41 minutes earlier.
Area forecast discussion, Apr 13, 4:41 AM MDT, 41 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 441 AM MDT WED APR 13 2011 .DISCUSSION... TODAY THROUGH FRIDAY...MODELS IN DECENT AGREEMENT BRINGING AN UPPER TROF ACROSS THE AREA BEGINNING THIS EVENING. SOUTHWEST FLOW ALOFT AHEAD OF THIS FEATURE WILL CONTINUE TO FEED MOISTURE INTO THE AREA. THE AIRMASS SHOULD BECOME SUFFICIENTLY DESTABILIZED BY LATE AFTERNOON FOR ISOLATED THUNDERSTORMS TO DEVELOP OVER THE SOUTHWEST. AS THE TROF APPROACHES THIS EVENING FROM THE WEST...PRECIPITATION WILL START AS RAIN BUT CHANGE OVER TO SNOW BY MIDNIGHT. BECAUSE THE AIRMASS REMAINS UNSTABLE AND THE CONVECTIVE NATURE OF THE PRECIPITATION...HEAVY SNOW WILL BE POSSIBLE IN THE MOUNTAINS. HAVE ISSUED A WINTER STORM WARNING ABOVE 6500 FEET TONIGHT FOR SNOW WITH AN ADVISORY BELOW 6500 FEET. THIS IS A FAST MOVING SYSTEM. SNOW WILL MOVE AWAY FROM THE ROCKIES AFTER MIDNIGHT AND MOVE ACROSS CENTRAL MONTANA BY EARLY THURSDAY MORNING. BY THURSDAY AFTERNOON THE BAND OF HEAVY SNOW WILL BE OVER THE EASTERN PORTION OF THE COUNTY WARNING AREA. BOTH THE NAM AND THE GFS HAVE SIMILAR TIMING FOR THE SNOW BUT AMOUNTS VARY BETWEEN THE MODELS. LOWER ELEVATIONS WILL LIKELY SEE SOME SNOW BUT A WARM GROUND WILL LIKELY ALLOW FOR MELTING...ESPECIALLY OVER ROAD SURFACES. THE SNOW WILL BE ENDING BY LATE THURSDAY AFTERNOON. IT WILL ALSO BE BREEZY THURSDAY AFTERNOON AS A LEE SIDE TROF DEVELOPS. WEAK SHORT WAVE ENERGY EMBEDDED WITHIN THE WEST TO NORTHWEST FLOW ALOFT ON FRIDAY WILL KEEP ISOLATED SHOWERS IN TH PICTURE. TEMPERATURES WILL BE NEAR SEASONAL AVERAGES TODAY BUT DROP BELOW SEASONAL AVERAGES THURSDAY AND FRIDAY AS COOLER AIR FOLLOWS THE UPPER TROF PASSAGE. EMANUEL FRIDAY NIGHT THROUGH WEDNESDAY...MODELS ARE IN DECENT AGREEMENT WITH THEIR SOLUTIONS FOR AT LEAST THE BEGINNING OF THIS PERIOD...BUT IT IS OVERALL A MORE UNSETTLED AND COOLER PATTERN THAN THE MODELS INDICATED LAST NIGHT. A WEST-NORTHWEST FLOW ALOFT WILL LINGER OVER THE TFX CWA FRIDAY NIGHT THROUGH MONDAY. A CANADIAN COLD FRONT WILL ALSO MOVE SOUTH INTO THE AREA FRIDAY NIGHT INTO SATURDAY AND REMAIN SOMEWHAT STATIONARY IN A SOUTHEAST TO NORTHWEST ORIENTATION OVER MONTANA. THIS WILL KEEP A GOOD CHANCE OF SHOWERS OVER THE AREA THROUGH MONDAY...ESPECIALLY OVER THE MOUNTAINS. TEMPERATURES WILL COOL FROM NEAR TO SLIGHTLY ABOVE NORMAL ON SATURDAY TO 5 TO 10 DEGREES BELOW NORMAL BY MONDAY AS THE COOLER CANADIAN AIR GRADUALLY SPILLS INTO THE AREA. A COUPLE OF SHORTWAVE TROUGHS OF LOWER PRESSURE WILL THEN MOVE THROUGH THE AREA MONDAY NIGHT AND TUESDAY NIGHT...RESPECTIVELY. HOWEVER...WEAK SHORTWAVE RIDGES OF HIGHER PRESSURE WILL MOVE ACROSS THE AREA TUESDAY AND WEDNESDAY. THE OVERALL EFFECT OF THIS PATTERN WILL BE TO KEEP A CHANCE OF MAINLY MOUNTAIN SHOWERS ACROSS THE AREA...BUT TEMPERATURES WILL WARM CLOSER TO NORMAL DURING THE DAYTIME. COULSTON && .AVIATION... UPDATED 0455Z. VFR CONDITIONS WILL PREVAIL THROUGH 20Z WEDNESDAY OVER THE REGION. THEN THE NEXT PACIFIC STORM SYSTEM WILL AFFECT THE REGION. EXPECT LOWERING CEILINGS...WITH IFR CONDITIONS DEVELOPING LATE WEDNESDAY AFTERNOON AND THEN CONTINUING INTO THURSDAY MORNING. WIDESPREAD SNOW IS EXPECTED OVER THE WESTERN MOUNTAINS...WITH A MIX OF RAIN AND SNOW AT LOWER ELEVATIONS. SNOWFALL COULD EVEN BE HEAVY AT TIMES FOR A FEW HOURS AT LOWER ELEVATIONS AFTER 06Z THURSDAY. BRUSDA && .HYDROLOGY... LATEST RIVER FORECAST PROJECTS THAT THE MILK RIVER AT HARLEM WILL RISE ABOVE FLOOD STAGE LATE THIS MORNING AND A FLOOD WARNING IS IN EFFECT. RIVER LEVELS COULD REACH THE MODERATE FLOOD STAGE OF 23 FEET EARLY NEXT WEEK. HILL AND BLAINE COUNTY OFFICIALS REPORT THAT SEVERAL STREAMS AND CREEKS HAVE OVERFLOWED THEIR BANKS. LOW LAND FLOODING HAS BEEN REPORTED...AS WELL AS FLOODING OF SOME ROADS. AREAL FLOOD ADVISORIES FOR THESE COUNTIES REMAIN IN EFFECT THROUGH NEXT TUESDAY. && .PRELIMINARY POINT TEMPS/POPS... GTF 57 33 45 32 / 10 90 40 10 CTB 52 33 44 31 / 10 90 50 10 HLN 57 35 45 33 / 10 90 40 20 BZN 61 33 43 24 / 30 100 50 20 WEY 45 27 32 17 / 60 100 60 20 DLN 53 31 42 26 / 30 90 40 20 HVR 57 37 49 32 / 10 60 90 20 LWT 52 33 40 28 / 20 70 90 20 && .TFX WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS BELOW 6500 FEET FOR BEAVERHEAD... BROADWATER...CASCADE...CENTRAL AND SOUTHERN LEWIS AND CLARK... GALLATIN...JEFFERSON...MADISON...MEAGHER...NORTHERN ROCKY MOUNTAIN FRONT...SOUTHERN ROCKY MOUNTAIN FRONT. WINTER STORM WARNING FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR ELEVATIONS ABOVE 6500 FEET FOR BEAVERHEAD...BROADWATER... CASCADE...CENTRAL AND SOUTHERN LEWIS AND CLARK...GALLATIN... JEFFERSON...MADISON...MEAGHER...NORTHERN ROCKY MOUNTAIN FRONT... SOUTHERN ROCKY MOUNTAIN FRONT. WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY BLAINE...CHOUTEAU...EASTERN GLACIER...EASTERN PONDERA... EASTERN TETON...FERGUS...HILL...JUDITH BASIN...LIBERTY...TOOLE. FLOOD WARNING FOR THE MILK RIVER NEAR HARLEM WILL CONTINUE IN EFFECT UNTIL FURTHER NOTICE. AREAL FLOOD ADVISORY UNTIL 9 AM MDT SATURDAY HILL COUNTY. AREAL FLOOD ADVISORY UNTIL 3 PM MDT SATURDAY BLAINE COUNTY. && SHORT TERM...EMANUEL LONG TERM...COULSTON AVIATION...BRUSDA WEATHER.GOV/GREATFALLS
Hazardous weather outlook, Apr 12, 4:33 PM MDT, 12 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREAT FALLS MT 433 PM MDT TUE APR 12 2011 MTZ047-132245- BLAINE- 433 PM MDT TUE APR 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TONIGHT A FLOOD WARNING CONTINUES FOR THE MILK RIVER AT HARLEM. A FLOOD ADVISORY ALSO CONTINUES IN EFFECT THROUGH SATURDAY AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THE FLOOD WARNING FOR THE MILK RIVER AT HARLEM REMAINS IN EFFECT UNTIL FURTHER NOTICE. THE RIVER IS CURRENTLY PROJECTED TO REACH FLOOD STAGE WEDNESDAY MORNING. THE FLOOD ADVISORY CONTINUES THROUGH SATURDAY AFTERNOON. A PACIFIC WEATHER SYSTEM WILL BRING RAIN AND SNOW LATE WEDNESDAY NIGHT INTO THURSDAY. ACCUMULATIONS UP TO 2 INCHES OVER THE PLAINS AND UP TO 5 INCHES IN THE MOUNTAINS ARE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MTZ011-132245- HILL- 433 PM MDT TUE APR 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. .DAY ONE...TONIGHT A FLOOD ADVISORY CONTINUES IN EFFECT THROUGH SATURDAY MORNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THE FLOOD ADVISORY CONTINUES IN EFFECT THROUGH SATURDAY MORNING. A PACIFIC WEATHER SYSTEM WILL BRING RAIN AND SNOW LATE WEDNESDAY NIGHT INTO THURSDAY. SNOW ACCUMULATIONS UP TO 4 INCHES OVER THE PLAINS AND UP TO 6 INCHES IN THE MOUNTAINS ARE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MTZ008>010-012>015-044>046-048>055-132245- BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-CASCADE- CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-TOOLE- LIBERTY-EASTERN PONDERA-SOUTHERN ROCKY MOUNTAIN FRONT- EASTERN TETON-JUDITH BASIN-FERGUS-JEFFERSON-BROADWATER-MEAGHER- GALLATIN- 433 PM MDT TUE APR 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MONTANA...NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA. .DAY ONE...TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER THROUGH TONIGHT IS LOW. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A PACIFIC WEATHER SYSTEM WILL BRING SNOW TO THE WESTERN MOUNTAINS AND RAIN TO THE ADJOINING VALLEYS WEDNESDAY EVENING. PRECIPITATION WILL SPREAD TO THE PLAINS LATE WEDNESDAY NIGHT AND LOWER ELEVATIONS WILL SEE A MIX OF RAIN AND SNOW. PRECIPITATION WILL DIMINISH FROM THE WEST ON THURSDAY. SNOW ACCUMULATIONS IN THE LOWER ELEVATIONS COULD BE UP TO 3 INCHES WHILE MOUNTAINS COULD SEE ACCUMULATIONS OF 5 TO 10 INCHES. WINTER WEATHER HIGHLIGHTS STILL COULD BE ISSUED WITH THIS WEATHER SYSTEM. WINDS WILL ALSO BECOME GUSTY ALONG THE ROCKY MOUNTAIN FRONT THURSDAY WITH GUSTS REACHING 45 TO 55 MPH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 5:22 AM MDT | Winter Weather Advisory | TFX | 26 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.