Alert archive / Montana / Wind Chill Warnings in 2016
Wind Chill Warning 1, NWS Great Falls, MT
NWS Great Falls, MT issued this wind chill warning at Dec 16, 2016, 2:59 PM MST. It was in force for 21 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
- Dec 16, 2016, 2:59 PM MST (21:59 UTC)
- Expired
- Dec 17, 2016, 12:00 PM MST
- In force
- 21 hr
- Issued by
- NWS Great Falls, MT
The text
As transmitted.
368 WWUS45 KTFX 162159 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 259 PM MST FRI DEC 16 2016 ...SNOW...AND BLOWING SNOW...TO CONTINUE ACROSS THE SOUTH THIS EVENING. BECOMING VERY COLD TONIGHT... .AN UPPER LEVEL DISTURBANCE WILL LINGER LIGHT TO MODERATE SNOW ACROSS THE SOUTH LATE THIS AFTERNOON INTO THE EARLY EVENING HOURS. EVEN THOUGH SNOW MAY END EARLY EVENING...BLOWING SNOW MAY CONTINUE TO BRING DANGEROUS DRIVING CONDITIONS THROUGH THE EVENING HOURS. VERY COLD TEMPERATURES ARE THEN EXPECTED BY SATURDAY MORNING. MTZ055-171200- /O.UPG.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ /O.NEW.KTFX.WC.W.0001.161216T2159Z-161217T1900Z/ /O.EXT.KTFX.WS.W.0010.000000T0000Z-161217T0600Z/ GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 259 PM MST FRI DEC 16 2016 ...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SATURDAY... ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. * LOCATIONS...BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS... TARGHEE PASS...WEST YELLOWSTONE. * TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL BEGIN A DIMINISHING TREND EARLY THIS EVENING. AS SNOW IS ENDING...BREEZY WINDS WILL CONTINUE TO BRING BLOWING SNOW ACROSS SOUTHERN MONTANA THROUGH THE EVENING HOURS. THE SNOW WILL BE FOLLOWED BY BITTERLY COLD TEMPERATURES TONIGHT INTO SATURDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES. * WINDS...NORTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...27 BELOW TO 3 ABOVE ZERO. * WIND CHILL...AS LOW AS 47 BELOW DUE TO TEMPERATURES 27 BELOW TO 3 ABOVE ZERO...AND WINDS NORTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * IMPACTS...BLOWING AND DRIFTING SNOW TO CAUSE SIGNIFICANT REDUCTIONS IN VISIBILITY. WIDESPREAD SNOW-PACKS ROADS WILL COMBINE WITH BLOWING SNOW AND CREATE HAZARDOUS DRIVING CONDITIONS. THOSE TRAVEL SHOULD USE EXTREME CAUTION OR DELAY TRAVEL PLANS. BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. DANGEROUS CONDITIONS ARE LIKELY FOR OUTDOOR ENTHUSIASTS. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE...CREATING AREAS OF BLOWING AND DRIFTING SNOW. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ010>013-044>047-049>051-054-171200- /O.UPG.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ /O.NEW.KTFX.WC.W.0001.161216T2159Z-161217T1900Z/ EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-TOOLE-LIBERTY- EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-MEAGHER- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON... SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD... LEWISTOWN...LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS 259 PM MST FRI DEC 16 2016 ...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SATURDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. * LOCATIONS...CUT BANK...HAVRE...GREAT FALLS...KINGS HILL PASS... BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD... CHINOOK... FAIRFIELD...STANFORD...LEWISTOWN...LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS. * TIMING...WITH SNOW ON A DIMINISHING TREND THIS EVENING...BITTERLY COLD AIR WILL MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING. TEMPERATURES WILL STEADILY FALL THROUGH THE EVENING...WITH DANGEROUS WIND CHILLS LIKELY AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * WINDS...WEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * TEMPERATURES...27 BELOW TO ZERO. * WIND CHILL...AS LOW AS 45 BELOW DUE TO TEMPERATURES 27 BELOW TO ZERO...AND WINDS WEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ008-015-171200- /O.EXT.KTFX.WS.W.0010.000000T0000Z-161217T0600Z/ /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ BEAVERHEAD-MADISON- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...ENNIS...NORRIS HILL... RAYNOLDS PASS...TWIN BRIDGES 259 PM MST FRI DEC 16 2016 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS EVENING... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... * LOCATIONS...BIG HOLE PASS...CHIEF JOSEPH PASS...DILLON... MONIDA PASS...ENNIS...NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES. * TIMING...PERIODS OF SNOW...MODERATE TO HEAVY AT TIMES...WILL BEGIN A DIMINISHING TREND EARLY THIS EVENING. AS SNOW IS ENDING...BREEZY WINDS WILL CONTINUE TO BRING BLOWING SNOW ACROSS SOUTHERN MONTANA THROUGH THE EVENING HOURS. THE SNOW WILL BE FOLLOWED BY BITTERLY COLD TEMPERATURES TONIGHT INTO SATURDAY MORNING. * SNOW ACCUMULATIONS...UP TO AN ADDITIONAL 1 INCH. * WINDS...NORTH 5 TO 15 MPH WITH GUSTS UP TO 30 MPH. * WIND CHILL...AS LOW AS 39 BELOW DUE TO TEMPERATURES 20 BELOW TO 7 ABOVE ZERO...AND WINDS NORTH 5 TO 15 MPH WITH GUSTS UP TO 30 MPH. * IMPACTS...BRING BLOWING AND DRIFTING SNOW AT TIMES TO CAUSE SIGNIFICANT REDUCTIONS IN VISIBILITY. WIDESPREAD SNOW-PACKS ROADS WILL COMBINE WITH BLOWING SNOW AND CREATE HAZARDOUS DRIVING CONDITIONS. THOSE TRAVEL SHOULD USE EXTREME CAUTION OR DELAY TRAVEL PLANS. BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. DANGEROUS CONDITIONS ARE LIKELY FOR OUTDOOR ENTHUSIASTS. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE...CREATING AREAS OF BLOWING AND DRIFTING SNOW. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ009-014-048-052-053-171200- /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ NORTHERN ROCKY MOUNTAIN FRONT- CENTRAL AND SOUTHERN LEWIS AND CLARK- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS... LOGAN PASS...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS... ROGERS PASS...CHOTEAU...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...TOWNSEND 259 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... * LOCATIONS...CHOTEAU...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS...LOGAN PASS...TOWNSEND...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS. * TIMING...WITH SNOW ON A DIMINISHING TREND THIS EVENING...BITTERLY COLD AIR WILL MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING. TEMPERATURES WILL STEADILY FALL THROUGH THE EVENING...WITH DANGEROUS WIND CHILLS LIKELY AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * WINDS...NORTHWEST 5 TO 15 MPH WITH GUSTS UP TO 30 MPH. * WIND CHILL...AS LOW AS 40 BELOW DUE TO TEMPERATURES 22 BELOW TO 1 ABOVE ZERO...AND WINDS NORTHWEST 5 TO 15 MPH WITH GUSTS UP TO 30 MPH. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
5 follow-up statements
168 WWUS45 KTFX 170351 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 851 PM MST FRI DEC 16 2016 MTZ055-171900- /O.CAN.KTFX.WS.W.0010.000000T0000Z-161217T0600Z/ /O.CON.KTFX.WC.W.0001.000000T0000Z-161217T1900Z/ GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 851 PM MST FRI DEC 16 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE WINTER STORM WARNING...AS SNOW WILL CONTINUE TO DIMINISH THROUGH MIDNIGHT...PRODUCING LITTLE IF ANY ADDITIONAL ACCUMULATION. HOWEVER...THE WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. * LOCATIONS...BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS... TARGHEE PASS...WEST YELLOWSTONE. * TIMING...BITTER COLD AIR WILL CONTINUE TO MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING...AND THE STEADILY FALLING TEMPERATURES WILL CAUSE DANGEROUS WIND CHILLS. * WINDS...NORTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * TEMPERATURES...FALLING TO BETWEEN 15 BELOW AND 30 BELOW ZERO. * WIND CHILL...MOSTLY 30 BELOW TO 40 BELOW ZERO...BUT BRIEF PERIODS OF 50 BELOW ZERO WIND CHILLS ARE POSSIBLE. * WINDS...WEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. DANGEROUS CONDITIONS ARE LIKELY FOR OUTDOOR ENTHUSIASTS. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ008-015-171900- /O.CAN.KTFX.WS.W.0010.000000T0000Z-161217T0600Z/ /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ BEAVERHEAD-MADISON- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...ENNIS...NORRIS HILL... RAYNOLDS PASS...TWIN BRIDGES 851 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE WINTER STORM WARNING...AS SNOW WILL CONTINUE TO DIMINISH THROUGH MIDNIGHT...PRODUCING LITTLE IF ANY ADDITIONAL ACCUMULATION. HOWEVER...THE WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. * LOCATIONS...BIG HOLE PASS...CHIEF JOSEPH PASS...DILLON... MONIDA PASS...ENNIS...NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES. * TIMING...BITTER COLD AIR WILL CONTINUE TO MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING...AND THE STEADILY FALLING TEMPERATURES WILL CAUSE DANGEROUS WIND CHILLS. * WINDS...NORTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...FALLING TO BETWEEN 15 BELOW AND 25 BELOW ZERO. * WIND CHILL...MOSTLY 25 BELOW TO 35 BELOW ZERO...BUT BRIEF PERIODS OF 40 BELOW ZERO WIND CHILLS ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MTZ010>013-044>047-049>051-054-171900- /O.CON.KTFX.WC.W.0001.000000T0000Z-161217T1900Z/ EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-TOOLE-LIBERTY- EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-MEAGHER- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON... SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD... LEWISTOWN...LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS 851 PM MST FRI DEC 16 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY... * LOCATIONS...FAIRFIELD...CHESTER...WHITE SULPHUR SPRINGS... STANFORD...LEWISTOWN...LEWISTOWN DIVIDE...SHELBY...CHINOOK... BIG SANDY...FORT BENTON...CONRAD...HAVRE...CUT BANK...GREAT FALLS... KINGS HILL PASS. * TIMING...BITTER COLD AIR WILL CONTINUE TO MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING...AND THE STEADILY FALLING TEMPERATURES WILL CAUSE DANGEROUS WIND CHILLS. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...FALLING TO BETWEEN 20 BELOW AND 30 BELOW ZERO. * WIND CHILL...MOSTLY 30 BELOW TO 45 BELOW ZERO...BUT PERIODS OF 50 BELOW ZERO WIND CHILLS ARE POSSIBLE. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ009-014-048-052-053-171900- /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ NORTHERN ROCKY MOUNTAIN FRONT- CENTRAL AND SOUTHERN LEWIS AND CLARK- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS... LOGAN PASS...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS... ROGERS PASS...CHOTEAU...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...TOWNSEND 851 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... * LOCATIONS...CHOTEAU...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS...LOGAN PASS...TOWNSEND...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS. * TIMING...BITTER COLD AIR WILL CONTINUE TO MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING...AND THE STEADILY FALLING TEMPERATURES WILL CAUSE DANGEROUS WIND CHILLS. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...FALLING TO BETWEEN 15 BELOW AND 25 BELOW ZERO. * WIND CHILL...MOSTLY 25 BELOW TO 35 BELOW ZERO...BUT BRIEF PERIODS OF 40 BELOW ZERO WIND CHILLS ARE POSSIBLE. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
766 WWUS45 KTFX 170436 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 936 PM MST FRI DEC 16 2016 MTZ010>013-044>047-049>051-054-055-171900- /O.CON.KTFX.WC.W.0001.000000T0000Z-161217T1900Z/ EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-TOOLE-LIBERTY- EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON... SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD... LEWISTOWN...LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE 936 PM MST FRI DEC 16 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY... * LOCATIONS...FAIRFIELD...CHESTER...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE...STANFORD...LEWISTOWN...LEWISTOWN DIVIDE... SHELBY... CHINOOK...BIG SANDY...FORT BENTON...CONRAD...HAVRE... CUT BANK... GREAT FALLS...KINGS HILL PASS. * TIMING...BITTER COLD AIR WILL CONTINUE TO MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING...AND THE STEADILY FALLING TEMPERATURES WILL CAUSE DANGEROUS WIND CHILLS. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...FALLING TO BETWEEN 20 BELOW AND 30 BELOW ZERO. * WIND CHILL...MOSTLY 30 BELOW TO 45 BELOW ZERO...BUT PERIODS OF 50 BELOW ZERO WIND CHILLS ARE POSSIBLE. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ008-009-014-015-048-052-053-171900- /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT- CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...BROWNING... MARIAS PASS...LOGAN PASS...FLESHER PASS...HELENA...LINCOLN... MACDONALD PASS...ROGERS PASS...ENNIS...NORRIS HILL... RAYNOLDS PASS...TWIN BRIDGES...CHOTEAU...BOULDER...BOULDER HILL... ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND 936 PM MST FRI DEC 16 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... * LOCATIONS...CHOTEAU...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS...LOGAN PASS...TOWNSEND...BIG HOLE PASS...CHIEF JOSEPH PASS...DILLON... MONIDA PASS...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS... ROGERS PASS...ENNIS...NORRIS HILL...RAYNOLDS PASS... TWIN BRIDGES. * TIMING...BITTER COLD AIR WILL CONTINUE TO MOVE INTO THE AREA TONIGHT INTO SATURDAY MORNING...AND THE STEADILY FALLING TEMPERATURES WILL CAUSE DANGEROUS WIND CHILLS. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...FALLING TO BETWEEN 15 BELOW AND 30 BELOW ZERO. * WIND CHILL...MOSTLY 25 BELOW TO 35 BELOW ZERO...BUT PERIODS OF 40 BELOW ZERO WIND CHILLS ARE POSSIBLE...ESPECIALLY ALONG THE ROCKY MOUNTAIN FRONT. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
692 WWUS45 KTFX 171020 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 320 AM MST SAT DEC 17 2016 MTZ010>013-044>047-049>051-054-055-171900- /O.CON.KTFX.WC.W.0001.000000T0000Z-161217T1900Z/ EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-TOOLE-LIBERTY- EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON... SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD... LEWISTOWN...LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE 320 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * LOCATIONS...FAIRFIELD...CHESTER...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE...STANFORD...LEWISTOWN...LEWISTOWN DIVIDE... SHELBY... CHINOOK...BIG SANDY...FORT BENTON...CONRAD...HAVRE... CUT BANK... GREAT FALLS...KINGS HILL PASS. * TIMING...TEMPERATURES WILL REMAIN BITTERLY COLD THROUGH THE LATE MORNING HOURS WHICH COMBINED WITH THE WIND WILL CONTINUE TO CAUSE DANGEROUSLY COLD WIND CHILL VALUES. * WINDS...SOUTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * WIND CHILL...AS LOW AS 40 TO 50 BELOW. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ008-009-014-015-048-052-053-171900- /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT- CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON- SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-BROADWATER- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...BROWNING... MARIAS PASS...LOGAN PASS...FLESHER PASS...HELENA...LINCOLN... MACDONALD PASS...ROGERS PASS...ENNIS...NORRIS HILL... RAYNOLDS PASS...TWIN BRIDGES...CHOTEAU...BOULDER...BOULDER HILL... ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND 320 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * LOCATIONS...CHOTEAU...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE PASS...WHITEHALL...BROWNING...MARIAS PASS...LOGAN PASS...TOWNSEND...BIG HOLE PASS...CHIEF JOSEPH PASS...DILLON... MONIDA PASS...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS... ROGERS PASS...ENNIS...NORRIS HILL...RAYNOLDS PASS... TWIN BRIDGES. * TIMING...TEMPERATURES WILL REMAIN BITTERLY COLD THROUGH THE LATE MORNING HOURS WHICH COMBINED WITH THE WIND WILL CONTINUE TO CAUSE DANGEROUSLY COLD WIND CHILL VALUES. * WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. * WIND CHILL...AS LOW AS 30 TO 40 BELOW. A FEW LOCATIONS COULD EXPERIENCE WIND CHILL VALUES AS LOW AS 40 TO 45 BELOW FOR A SHORT TIME THIS MORNING. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MARTIN
621 WWUS45 KTFX 171740 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1040 AM MST SAT DEC 17 2016 MTZ010>013-044>047-049>051-054-055-171900- /O.CON.KTFX.WC.W.0001.000000T0000Z-161217T1900Z/ EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-TOOLE-LIBERTY- EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON... SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD... LEWISTOWN...LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE 1040 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * LOCATIONS...FAIRFIELD...CHESTER...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE...STANFORD...LEWISTOWN...LEWISTOWN DIVIDE... SHELBY... CHINOOK...BIG SANDY...FORT BENTON...CONRAD...HAVRE... CUT BANK... GREAT FALLS...KINGS HILL PASS. * TIMING...TEMPERATURES WILL REMAIN BITTERLY COLD THROUGH THE LATE MORNING HOURS WHICH COMBINED WITH THE WIND WILL CONTINUE TO CAUSE DANGEROUSLY COLD WIND CHILL VALUES. * WINDS...SOUTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * TEMPERATURES...15 BELOW TO 5 ABOVE ZERO. * WIND CHILL...30 BELOW TO 40 BELOW ZERO. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. * WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ009-048-171900- /O.NEW.KTFX.WW.Y.0039.161217T1740Z-161219T0000Z/ /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS... LOGAN PASS...CHOTEAU 1040 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST SUNDAY. * LOCATIONS...BROWNING...MARIAS PASS...LOGAN PASS...CHOTEAU. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...INCREASING WINDS WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING OF SNOW TODAY THROUGH SUNDAY. VISIBILITY MAY BE REDUCED TO LESS THAN 2 MILES AT TIMES AND LOCALLY LESS THAN ONE HALF MILE IN EXPOSED LOCATIONS. IN ADDITION...DRIFTING OF SNOW ACROSS PREVIOUSLY PLOWED ROADWAYS MAY MAKE SNOW REMOVAL DIFFICULT. * WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ008-014-015-052-053-171900- /O.CON.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ BEAVERHEAD-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-JEFFERSON- BROADWATER- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...BOULDER... BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... TOWNSEND 1040 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * LOCATIONS...BOULDER...BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...BIG HOLE PASS...CHIEF JOSEPH PASS... DILLON...MONIDA PASS...FLESHER PASS...HELENA... LINCOLN... MACDONALD PASS...ROGERS PASS...ENNIS...NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES. * TIMING...TEMPERATURES WILL REMAIN BITTERLY COLD THROUGH THE LATE MORNING HOURS WHICH COMBINED WITH THE WIND WILL CONTINUE TO CAUSE DANGEROUSLY COLD WIND CHILL VALUES. * WINDS...SOUTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH. * TEMPERATURES...5 BELOW TO 15 BELOW ZERO. * WIND CHILL...AS LOW AS 35 BELOW ZERO. * IMPACTS...BITTER COLD WIND CHILL TEMPERATURES CAN CAUSE FROSTBITE ON EXPOSED SKIN WITHIN 30 MINUTES. PETS AND LIVESTOCK SHOULD BE KEPT INSIDE OR IN AN AREA NOT EXPOSED TO THE EXTREME COLD. * WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
640 WWUS45 KTFX 171835 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1135 AM MST SAT DEC 17 2016 MTZ010>013-044>047-049>051-054-055-171945- /O.EXP.KTFX.WC.W.0001.000000T0000Z-161217T1900Z/ EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-TOOLE-LIBERTY- EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-MEAGHER- GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON... SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD... LEWISTOWN...LEWISTOWN DIVIDE...WHITE SULPHUR SPRINGS... BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST YELLOWSTONE 1135 AM MST SAT DEC 17 2016 ...WIND CHILL WARNING WILL EXPIRE AT NOON MST TODAY... TEMPERATURES HAVE WARMED FROM THE VERY COLD VALUES THAT WERE IN PLACE THIS MORNING WITH WIND CHILL VALUES EXPECTED TO RANGE FROM 10 BELOW ZERO TO 20 BELOW ZERO THROUGH THIS AFTERNOON. $$ MTZ009-048-172300- /O.EXP.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ /O.CON.KTFX.WW.Y.0039.000000T0000Z-161219T0000Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS... LOGAN PASS...CHOTEAU 1135 AM MST SAT DEC 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON MST TODAY... * LOCATIONS...CHOTEAU...BROWNING...MARIAS PASS...LOGAN PASS. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. * IMPACTS...INCREASING WINDS WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING OF SNOW TODAY THROUGH SUNDAY. VISIBILITY MAY BE REDUCED TO LESS THAN 2 MILES AT TIMES AND LOCALLY LESS THAN ONE HALF MILE IN EXPOSED LOCATIONS. IN ADDITION...DRIFTING OF SNOW ACROSS PREVIOUSLY PLOWED ROADWAYS MAY MAKE SNOW REMOVAL DIFFICULT. * WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ008-014-015-052-053-171945- /O.EXP.KTFX.WC.Y.0005.000000T0000Z-161217T1900Z/ BEAVERHEAD-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-JEFFERSON- BROADWATER- INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS... CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS... HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS... NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...BOULDER... BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... TOWNSEND 1135 AM MST SAT DEC 17 2016 ...WIND CHILL ADVISORY WILL EXPIRE AT NOON MST TODAY... TEMPERATURES HAVE WARMED FROM THE VERY COLD VALUES THAT WERE IN PLACE THIS MORNING WITH WIND CHILL VALUES EXPECTED TO RANGE FROM 10 BELOW ZERO TO 20 BELOW ZERO THROUGH THIS AFTERNOON. $$
What forecasters said that day
The local office's own words before this wind chill 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 wind chill warning went out at Dec 16, 10:41 AM MST, 4 hours 18 minutes earlier.
Area forecast discussion, Dec 16, 10:41 AM MST, 4 hours 18 minutes before
Area Forecast Discussion National Weather Service Great Falls MT 1041 AM MST Fri Dec 16 2016 ...AVIATION SECTION UPDATED... .UPDATE... Winter storm continues to bring areas of snow across much of the CWA this morning. The line for light to moderate snow currently is from about Great Falls to Lewistown and south...with flurries north...and some isolated heavy snow possible across the south. The biggest updates this morning were slight adjustments to the timing of snow, and the addition of winds and blowing snow to the south. Reports near Grant and along Monida and Raynolds Pass indicate very reduce visibilities in blowing snow. The winds do not quite reach blizzard criteria on this side of the Continental Divide...but updated wording in current Winter Storm Warning products to highlight the enhanced potential for blowing snow. Snow still looks to end from north to south late this afternoon through the evening hours. Very cold temperatures are then expected. Will be giving more attention to just how cold in our next update...and determine if some areas need a Wind Chill Warning over an Advisory. Stay tuned. && .AVIATION...Updated 1741Z. The upper level low pressure system responsible for the snow event will be moving through Central and Southwest Montana today. Snow will linger across eastern and southwestern portions of the area, including KBZN, KLWT, KGTF, AND KEKS. Periods of MVFR/IFR conditions will continue in these areas. Clearing skies will bring a return to VFR conditions during the night. && .PREV DISCUSSION... Friday through Sunday...The upper level trough responsible for the widespread snow across much of the CWA over the last 24 hrs basically extends from the Pacific NW northeast to Hudson Bay. Within this trough, a s/w was noted on water vapor imagery moving through northern California/southern Oregon. This s/w will continue to move quickly east through southern Idaho and Wyoming today. Lift associated with this s/w should keep periods of light to occasionally moderate snow going through this afternoon across much of SW MT. Of note, it still looks like there could be some enhanced lift/mesoscale banding due to 700mb frontogenesis along/north of the track of the s/w. If any mesoscale bands do in fact develop, there would be locally heavier snowfall rates at times. These bands can be difficult to forecast and it is unclear where exactly they might develop, if at all. Regardless, I still expect several more inches across parts of SW MT through this afternoon with the potential for isolated higher amounts in any area that sees banded snowfall. For these reasons, we'll keep the current Winter Storm Warning for SW MT going into this afternoon. For the remainder of the CWA, snow will gradually taper off from north to south today as drier air moves in from the NW. For central Montana, snow will likely linger longest from Great Falls to Lewistown as a bit of an upslope component with the wind may help to keep light snow going into this afternoon. In addition, the s/w mentioned above may proved a glancing blow of better lift for a short time this morning which may also help to keep snow going. Still only expect another inch or two at the most across southern sections of central Montana and a dusting or so further north. In the wake of the current system, attention then turns to how cold it will get tonight. The models have remained fairly consistent in dropping temperatures areawide into the -15 to -35 degree range. The fresh snowcover should help these values to be realized, but the limiting factors may be the wind and clouds. Clouds should be decreasing from NW to SE tonight in the wake of the current system as high pressure builds in at the SFC. However, the high quickly shifts SE allowing a slightly stronger pressure gradient to develop by Saturday morning, especially across central Montana. While this increases the potential for lower wind chill values, it also may keep temps from falling as far as some models suggest. For now, lowered temps a bit from the previous forecast, but only by a few degrees. With the wind this will lead to wind chill values falling into the -25 to -45 degree range through Saturday morning. While it is possible that wind chill values may reach warning criteria in a few locations, uncertainty regarding clouds/wind makes confidence too low to upgrade to a Wind Chill Warning at this time. For now, then, we'll keep the current Wind Chill Advisories as is, but later shifts may upgrade part of the advisory area to a warning if confidence increases. Either way, it will be very cold and potentially the coldest night of the season for much of the area. And, it should be noted that some models are quite a bit colder tonight than what is currently forecast, so adjustments may be needed in later forecasts. Later in the weekend, a tightening SFC pressure gradient will likely lead to a period of breezy/windy conditions across much of central Montana along/east of the Rocky Mtn Front. Given the tight pressure gradient, favored areas along the Rocky Mountain Front could see wind gusts in excess of 50 mph late Saturday night through Sunday. The downsloping W/SW wind should help temperatures moderate some by Sunday, especially across central Montana, while the SW MT valleys stay a bit colder. Martin Sunday Night through Friday...Primary message for this period is that the arctic cold conditions that have lingered over parts of the forecast area for past several days will finally moderate, with a decent chance for temps finally getting close to or slightly above freezing. Longwave analysis shows the deep, cold low pressure system over northern Canada will slide northward, as weak high pressure ridging builds near the Pacific coast. The resulting pressure gradient between these large scale systems and the passage of several shortwave trofs will bring a return of warming chinook winds to the Hiline and central MT counties next week. The first of the shortwaves arrives Mon aftn, but much of its moisture remains along/west of the Rocky Mtn Front and over the southwest mtn ranges as gusty downslope winds will limit precipitation east of the Continental Divide. Slightly stronger and more moisture-laden systems arrive Tues aftn/eve and Thur aftn/eve, giving around a 20- 40 chance for light snow over most of our region. Accumulations look light at this time, with higher amounts in the mtns. As for temperatures, highs may reach the low-mid 30s for central and Hiline areas, while remaining in the teens and 20s in southwest MT (south of the main chinook-influenced area). However, the amount of snow cover may play a role in limiting any significant warming in a number of locations. The passage of the Tues and Thur systems will bring slightly cooler temps, back to the 20s and low 30s. Waranauskas && .PRELIMINARY POINT TEMPS/POPS... GTF -3 -19 5 2 / 60 20 0 10 CTB -4 -19 7 0 / 40 20 0 10 HLN 0 -23 6 2 / 60 20 0 10 BZN 4 -23 6 0 / 80 40 0 10 WEY 16 -33 1 -18 / 90 30 0 10 DLN 6 -19 10 -2 / 70 30 0 0 HVR -3 -19 2 -1 / 40 20 0 10 LWT -3 -20 5 -1 / 70 30 0 10 && .TFX WATCHES/WARNINGS/ADVISORIES... Wind Chill Advisory until noon MST Saturday Beaverhead... Blaine...Broadwater...Cascade...Central and Southern Lewis and Clark...Chouteau...Eastern Glacier...Eastern Pondera...Eastern Teton...Fergus...Gallatin...Hill...Jefferson...Judith Basin... Liberty...Madison...Meagher...Northern Rocky Mountain Front... Southern Rocky Mountain Front...Toole. Winter Storm Warning until 5 PM MST this afternoon Beaverhead... Gallatin...Madison. && weather.gov/greatfalls
In the hours before
Local storm report, Dec 16, 9:23 AM MST, 5 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
923 AM MST FRI DEC 16 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0922 AM SNOW LINCOLN 46.95N 112.68W
12/16/2016 E12.0 INCH LEWIS AND CLARK MT AMATEUR RADIO
RELAYED REPORT OF A FOOT OF SNOW IN 24 HOURS.
&&
JAALocal storm report, Dec 16, 11:23 AM MST, 3 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1123 AM MST FRI DEC 16 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1122 AM SNOW SW CUT BANK 48.63N 112.33W
12/16/2016 M3.0 INCH GLACIER MT PUBLIC
FACEBOOK REPORT
&&
JAANearby
Wind Chill Warnings in Montana, 2016Every wind chill warning 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.