Alert archive / Montana / Winter Storm Warnings in 2011
Winter Storm Warning 19, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Apr 17, 2011, 5:54 AM MDT. It was in force for 30 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 17, 2011, 5:54 AM MDT (11:54 UTC)
- Expired
- Apr 18, 2011, 12:00 PM MDT
- In force
- 30 hr
- Issued by
- NWS Great Falls, MT
The text
As transmitted, in the capitals the NWS used until 2016.
171 WWUS45 KTFX 171154 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 554 AM MDT SUN APR 17 2011 MTZ009-172100- /O.UPG.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ /O.NEW.KTFX.WS.W.0019.110417T1154Z-110418T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS 554 AM MDT SUN APR 17 2011 ...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT MONDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL NOON MDT MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING OVER THE NORTHERN ROCKY MOUNTAIN FRONT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12 TO 16 INCHES ARE EXPECTED BY NOON ON MONDAY. SNOW ACCUMULATIONS OF NEAR A FOOT OF SNOW HAVE BEEN REPORTED IN THE BROWNING AREA AS OF EARLY SUNDAY MORNING. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE HALF MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: BROWNING AND MARIAS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ010-011-044>047-172100- /O.CON.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ EASTERN GLACIER-HILL-TOOLE-LIBERTY-EASTERN PONDERA-BLAINE- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE...SHELBY... CHESTER...CONRAD...CHINOOK 554 AM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING FOR LOCATIONS ALONG HIGHWAY 2...FROM BROWNING TO HARLEM. THE SNOW WILL GENERALLY MELT ON CONTACT WITH ROAD SURFACES DURING THE DAYLIGHT HOURS...BUT SLIPPERY SPOTS ARE STILL POSSIBLE...ESPECIALLY ON BRIDGES AND DURING THE NIGHT TIME HOURS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. THERE WILL BE AREAS OF BLOWING SNOW ALSO REDUCING VISIBILITIES AT TIMES...ESPECIALLY IN THE HAVRE AREA. * LOCATIONS AFFECTED INCLUDE: CHINOOK...CONRAD...SHELBY... CHESTER...CUT BANK AND HAVRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
6 follow-up statements
562 WWUS45 KTFX 171413 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 813 AM MDT SUN APR 17 2011 MTZ009-172215- /O.CON.KTFX.WS.W.0019.000000T0000Z-110418T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS 813 AM MDT SUN APR 17 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING OVER THE NORTHERN ROCKY MOUNTAIN FRONT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12 TO 16 INCHES ARE EXPECTED BY NOON ON MONDAY. SNOW ACCUMULATIONS OF NEAR A FOOT OF SNOW HAVE BEEN REPORTED IN THE BROWNING AREA AS OF EARLY SUNDAY MORNING. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE HALF MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: BROWNING...MARIAS PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ013-048-049-172215- /O.EXA.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ CHOUTEAU-SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...BIG SANDY...FORT BENTON... CHOTEAU...FAIRFIELD 813 AM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT MONDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING FOR LOCATIONS ACROSS NORTH CENTRAL AND CENTRAL MONTANA. THE SNOW WILL GENERALLY MELT ON CONTACT WITH ROAD SURFACES DURING THE DAYLIGHT HOURS... BUT SLIPPERY SPOTS ARE STILL POSSIBLE...ESPECIALLY ON BRIDGES AND DURING THE NIGHT TIME HOURS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. THERE WILL BE AREAS OF BLOWING SNOW ALSO REDUCING VISIBILITIES AT TIMES... ESPECIALLY IN THE HAVRE AREA. * LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHOTEAU...BIG SANDY... FORT BENTON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ010-011-044>047-172215- /O.CON.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ EASTERN GLACIER-HILL-TOOLE-LIBERTY-EASTERN PONDERA-BLAINE- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE...SHELBY... CHESTER...CONRAD...CHINOOK 813 AM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING FOR LOCATIONS ACROSS NORTH CENTRAL MONTANA. THE SNOW WILL GENERALLY MELT ON CONTACT WITH ROAD SURFACES DURING THE DAYLIGHT HOURS... BUT SLIPPERY SPOTS ARE STILL POSSIBLE...ESPECIALLY ON BRIDGES AND DURING THE NIGHT TIME HOURS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. THERE WILL BE AREAS OF BLOWING SNOW ALSO REDUCING VISIBILITIES AT TIMES... ESPECIALLY IN THE HAVRE AREA. * LOCATIONS AFFECTED INCLUDE: CHINOOK...CONRAD...CHESTER... SHELBY...CUT BANK...HAVRE 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. && $$
016 WWUS45 KTFX 171523 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 923 AM MDT SUN APR 17 2011 MTZ009-172330- /O.CON.KTFX.WS.W.0019.000000T0000Z-110418T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS 923 AM MDT SUN APR 17 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING OVER THE NORTHERN ROCKY MOUNTAIN FRONT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12 TO 16 INCHES ARE EXPECTED BY NOON ON MONDAY. SNOW ACCUMULATIONS OF NEAR A FOOT OF SNOW HAVE BEEN REPORTED IN THE BROWNING AREA AS OF EARLY SUNDAY MORNING. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE HALF MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: BROWNING...MARIAS PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ012-172330- /O.EXA.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ CASCADE- INCLUDING THE FOLLOWING LOCATIONS...GREAT FALLS 923 AM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT MONDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING FOR LOCATIONS ACROSS NORTH CENTRAL AND CENTRAL MONTANA. THE SNOW WILL GENERALLY MELT ON CONTACT WITH ROAD SURFACES DURING THE DAYLIGHT HOURS... BUT SLIPPERY SPOTS ARE STILL POSSIBLE...ESPECIALLY ON BRIDGES AND DURING THE NIGHT TIME HOURS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. THERE WILL BE AREAS OF BLOWING SNOW ALSO REDUCING VISIBILITIES AT TIMES... ESPECIALLY IN THE HAVRE AREA. * LOCATIONS AFFECTED INCLUDE: GREAT FALLS 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. && $$ MTZ010-011-013-044>049-172330- /O.CON.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA- BLAINE-SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD...CHINOOK... CHOTEAU...FAIRFIELD 923 AM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW CAN BE EXPECTED AT TIMES TODAY THROUGH MONDAY MORNING FOR LOCATIONS ACROSS NORTH CENTRAL AND CENTRAL MONTANA. THE SNOW WILL GENERALLY MELT ON CONTACT WITH ROAD SURFACES DURING THE DAYLIGHT HOURS... BUT SLIPPERY SPOTS ARE STILL POSSIBLE...ESPECIALLY ON BRIDGES AND DURING THE NIGHT TIME HOURS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. THERE WILL BE AREAS OF BLOWING SNOW ALSO REDUCING VISIBILITIES AT TIMES... ESPECIALLY IN THE HAVRE AREA. * LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHOTEAU...CHINOOK... CONRAD...SHELBY...CHESTER...CUT BANK...HAVRE...BIG SANDY... FORT BENTON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
131 WWUS45 KTFX 172034 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 234 PM MDT SUN APR 17 2011 MTZ009-180500- /O.CON.KTFX.WS.W.0019.000000T0000Z-110418T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS 234 PM MDT SUN APR 17 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...CAN BE EXPECTED THROUGH MONDAY MORNING OVER THE NORTHERN ROCKY MOUNTAIN FRONT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12 TO 16 INCHES ARE EXPECTED BY NOON ON MONDAY. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE HALF MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: BROWNING...MARIAS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ010>013-044>049-180500- /O.CON.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-TOOLE-LIBERTY- EASTERN PONDERA-BLAINE-SOUTHERN ROCKY MOUNTAIN FRONT- EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE... GREAT FALLS...BIG SANDY...FORT BENTON...SHELBY...CHESTER... CONRAD...CHINOOK...CHOTEAU...FAIRFIELD 234 PM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW CAN BE EXPECTED AT TIMES THROUGH MONDAY MORNING FOR LOCATIONS ACROSS NORTH CENTRAL AND CENTRAL MONTANA. THE SNOW WILL GENERALLY MELT ON CONTACT WITH ROAD SURFACES DURING THE DAYLIGHT HOURS... BUT SLIPPERY SPOTS ARE STILL POSSIBLE...ESPECIALLY ON BRIDGES AND DURING THE NIGHT TIME HOURS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. THERE WILL BE AREAS OF BLOWING SNOW ALSO REDUCING VISIBILITIES AT TIMES... ESPECIALLY IN THE HAVRE AREA. * LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHOTEAU...CHINOOK... CONRAD...SHELBY...CHESTER...CUT BANK...HAVRE...GREAT FALLS... BIG SANDY...FORT BENTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$
748 WWUS45 KTFX 180310 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 910 PM MDT SUN APR 17 2011 MTZ011-045-047-180415- /O.CAN.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ HILL-LIBERTY-BLAINE- INCLUDING THE FOLLOWING LOCATIONS...HAVRE...CHESTER...CHINOOK 910 PM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. ONLY SCATTERED SNOW SHOWERS ARE EXPECTED OVERNIGHT WITH GENERALLY ONLY LIGHT ACCUMULATIONS. AS A RESULT...THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. $$ MTZ048-181200- /O.UPG.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ /O.EXA.KTFX.WS.W.0019.000000T0000Z-110418T1800Z/ SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...CHOTEAU 910 PM MDT SUN APR 17 2011 ...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT MONDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL NOON MDT MONDAY. THE WINTER WEATHER ADVISORY HAS BEEN REPLACED BY THIS WARNING. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...CAN BE EXPECTED THROUGH MONDAY MORNING OVER THE SOUTHERN ROCKY MOUNTAIN FRONT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12 TO 16 INCHES ARE EXPECTED IN THE MOUNTAINS BY NOON ON MONDAY...WITH LESSER AMOUNTS AT LOWER ELEVATIONS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE HALF MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: CHOTEAU. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ009-181200- /O.CON.KTFX.WS.W.0019.000000T0000Z-110418T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS 910 PM MDT SUN APR 17 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...CAN BE EXPECTED THROUGH MONDAY MORNING OVER THE NORTHERN ROCKY MOUNTAIN FRONT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12 TO 16 INCHES ARE EXPECTED IN THE MOUNTAINS BY NOON ON MONDAY...WITH LESSER AMOUNTS AT LOWER ELEVATIONS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE HALF MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: BROWNING...MARIAS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ050-051-181200- /O.EXA.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ JUDITH BASIN-FERGUS- INCLUDING THE FOLLOWING LOCATIONS...STANFORD...JUDITH GAP... LEWISTOWN...LEWISTOWN DIVIDE 910 PM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT MONDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW ARE EXPECTED THROUGH MONDAY MORNING ACROSS CENTRAL MONTANA. ROAD SURFACE COULD BECOME ICY AND DANGEROUS AS TEMPERATURES FALL OVERNIGHT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: VISIBILITIES WILL BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: STANFORD...JUDITH GAP... LEWISTOWN...LEWISTOWN DIVIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ010-012-013-044-046-049-181200- /O.CON.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ EASTERN GLACIER-CASCADE-CHOUTEAU-TOOLE-EASTERN PONDERA- EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...GREAT FALLS... KINGS HILL PASS...BIG SANDY...FORT BENTON...SHELBY...CONRAD... FAIRFIELD 910 PM MDT SUN APR 17 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT MONDAY. * TIMING AND MAIN IMPACT: PERIODS OF LIGHT SNOW ARE EXPECTED THROUGH MONDAY MORNING ACROSS CENTRAL MONTANA. ROAD SURFACE COULD BECOME ICY AND DANGEROUS AS TEMPERATURES FALL OVERNIGHT. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY NOON ON MONDAY...WITH MOST OF THE SNOW ACCUMULATIONS ON GRASSY AREAS. * VISIBILITY: VISIBILITIES WILL BE REDUCED TO ONE MILE AT TIMES IN PERIODS OF HEAVIER SNOW SHOWERS. * LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CONRAD...SHELBY...CUT BANK...GREAT FALLS...KINGS HILL PASS...BIG SANDY... FORT BENTON. 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. && $$
874 WWUS45 KTFX 181038 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 438 AM MDT MON APR 18 2011 MTZ012-050-051-181845- /O.CAN.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ /O.NEW.KTFX.WW.Y.0039.110419T0000Z-110420T0000Z/ CASCADE-JUDITH BASIN-FERGUS- INCLUDING THE FOLLOWING LOCATIONS...GREAT FALLS... KINGS HILL PASS...STANFORD...JUDITH GAP...LEWISTOWN... LEWISTOWN DIVIDE 438 AM MDT MON APR 18 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY... ...WINTER WEATHER ADVISORY FOR THIS MORNING HAS BEEN CANCELLED... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * TIMING AND MAIN IMPACT: THE WINTER WEATHER ADVISORY THAT WAS IN EFFECT FOR PORTIONS OF CENTRAL MONTANA HAS BEEN CANCELLED...AS ANY NEW SNOW ACCUMULATIONS TODAY SHOULD GENERALLY BE LESS THAN ONE INCH. HOWEVER...A NEW WINTER WEATHER ADVISORY IS IN EFFECT STARTING THIS EVENING AND CONTINUING THROUGH TUESDAY AFTERNOON. SNOW IS EXPECTED TONIGHT THROUGH TUESDAY ACROSS CENTRAL MONTANA...WITH TEMPERATURES FALLING BELOW FREEZING...EXPECT ROAD SURFACES TO BECOME SNOW AND ICE COVERED TONIGHT WITH CONDITIONS CONTINUING THROUGH TUESDAY MORNING. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED AT LOWER ELEVATIONS...AND 6 TO 10 INCHES IN THE MOUNTAINS. * VISIBILITY: VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. * LOCATIONS AFFECTED INCLUDE: STANFORD...LEWISTOWN...GREAT FALLS AND KINGS HILL PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ010-013-044-046-049-181145- /O.CAN.KTFX.WW.Y.0038.000000T0000Z-110418T1800Z/ EASTERN GLACIER-CHOUTEAU-TOOLE-EASTERN PONDERA-EASTERN TETON- INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...BIG SANDY... FORT BENTON...SHELBY...CONRAD...FAIRFIELD 438 AM MDT MON APR 18 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS DIMINISHED. ANY NEW SNOW ACCUMULATIONS TODAY ARE EXPECTED TO BE LESS THAN ONE INCH. $$ MTZ054-181845- /O.NEW.KTFX.WS.W.0020.110418T1800Z-110420T0000Z/ /O.NEW.KTFX.WW.Y.0039.110419T0000Z-110420T0000Z/ MEAGHER- INCLUDING THE FOLLOWING LOCATIONS...WHITE SULPHUR SPRINGS 438 AM MDT MON APR 18 2011 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT TUESDAY FOR ELEVATIONS ABOVE 6000 FEET... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY FOR ELEVATIONS BELOW 6000 FEET... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER STORM WARNING FOR ELEVATIONS ABOVE 6000 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM MDT TUESDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6000 FEET HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6000 FEET IS FOR SNOW...AND IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES WILL DEVELOP OVER THE MOUNTAINS OF MEAGHER COUNTY EARLY THIS AFTERNOON AND THEN CONTINUE THROUGH TUESDAY AFTERNOON. AT LOWER ELEVATIONS...EXPECT THE SNOW TO DEVELOP TOWARDS THE EVENING...AND THEN CONTINUE THROUGH INTO TUESDAY AFTERNOON. ROADS WILL BE SNOW COVERED AND ICY ESPECIALLY OVER THE MOUNTAINS. * SNOW ACCUMULATIONS: FOR ELEVATIONS BELOW 6000 FEET...EXPECT TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES. FOR ELEVATIONS ABOVE 6000 FEET SNOW ACCUMULATIONS OF 8 TO 16 INCHES ARE EXPECTED. * VISIBILITY: VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. * LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ009-048-181800- /O.CON.KTFX.WS.W.0019.000000T0000Z-110418T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS... CHOTEAU 438 AM MDT MON APR 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...CAN BE EXPECTED THROUGH THIS MORNING. ROADS WILL BE SNOW COVERED AND COULD BE ICY IN SPOTS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12 TO 16 INCHES ARE EXPECTED IN THE MOUNTAINS BY NOON TODAY...WITH LESSER AMOUNTS AT LOWER ELEVATIONS. * VISIBILITY: EXPECT VISIBILITIES TO BE REDUCED TO ONE HALF MILE AT TIMES. * LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING AND MARIAS PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ055-181845- /O.NEW.KTFX.WW.Y.0039.110419T0000Z-110420T0000Z/ GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE 438 AM MDT MON APR 18 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * TIMING AND MAIN IMPACT: PERIODS OF STEADY LIGHT SNOW ARE EXPECTED TO DEVELOP IN THE BOZEMAN...BIG SKY AND WEST YELLOWSTONE REGIONS BY LATE AFTERNOON...AND THEN CONTINUE THROUGH INTO THE DAY ON TUESDAY. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR IN THE MOUNTAINS AND DURING THE OVERNIGHT HOURS TONIGHT. ROADS WILL BE SNOW COVERED AND COULD BE ICY IN SPOTS ESPECIALLY IN THE MOUNTAINS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS TONIGHT THROUGH TUESDAY SHOULD RANGE FROM 2 TO 5 INCHES AT LOWER ELEVATIONS...TO 6 TO 10 INCHES IN THE MOUNTAINS. * VISIBILITY: VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. * LOCATIONS AFFECTED INCLUDE: BOZEMAN...BOZEMAN PASS AND WEST YELLOWSTONE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. $$
456 WWUS45 KTFX 181756 WSWTFX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1156 AM MDT MON APR 18 2011 MTZ009-048-181900- /O.EXP.KTFX.WS.W.0019.000000T0000Z-110418T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS... CHOTEAU 1156 AM MDT MON APR 18 2011 ...WINTER STORM WARNING WILL EXPIRE AT NOON MDT TODAY... THE WINTER STORM WARNING FOR THE ROCKY MOUNTAIN FRONT WILL EXPIRE AT NOON MDT TODAY. LIGHT SNOW WILL PERSIST ALONG THE ROCKY MOUNTAIN FRONT THROUGH THIS AFTERNOON...BUT ADDITIONAL ACCUMULATIONS WILL BE LIGHT. SNOWFALL MAY INCREASE AGAIN OVERNIGHT...AND ADDITIONAL WINTER WEATHER HIGHLIGHTS MAY BE NEEDED. $$ MTZ054-190000- /O.CON.KTFX.WS.W.0020.110418T1800Z-110420T0000Z/ /O.CON.KTFX.WW.Y.0039.110419T0000Z-110420T0000Z/ MEAGHER- INCLUDING THE FOLLOWING LOCATIONS...WHITE SULPHUR SPRINGS 1156 AM MDT MON APR 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT TUESDAY FOR ELEVATIONS ABOVE 6000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY FOR ELEVATIONS BELOW 6000 FEET... A WINTER STORM WARNING FOR ELEVATIONS ABOVE 6000 FEET IN MEAGHER COUNTY REMAINS IN EFFECT UNTIL 6 PM MDT TUESDAY. A WINTER WEATHER ADVISORY FOR ELEVATIONS BELOW 6000 FEET IN MEAGHER COUNTY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * TIMING AND MAIN IMPACT: SNOW...HEAVY AT TIMES...WILL CONTINUE IN THE MOUNTAINS OF MEAGHER COUNTY THROUGH TUESDAY AFTERNOON. AT LOWER ELEVATIONS...EXPECT THE SNOW TO DEVELOP TOWARDS THE EVENING...AND THEN CONTINUE THROUGH INTO TUESDAY AFTERNOON. ROADS WILL BE SNOW COVERED AND ICY ESPECIALLY OVER THE MOUNTAINS. * SNOW ACCUMULATIONS: FOR ELEVATIONS BELOW 6000 FEET...EXPECT TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES. FOR ELEVATIONS ABOVE 6000 FEET SNOW ACCUMULATIONS OF 8 TO 16 INCHES ARE EXPECTED. * VISIBILITY: VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. * LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$ MTZ012-050-051-055-190000- /O.CON.KTFX.WW.Y.0039.110419T0000Z-110420T0000Z/ CASCADE-JUDITH BASIN-FERGUS-GALLATIN- INCLUDING THE FOLLOWING LOCATIONS...GREAT FALLS... KINGS HILL PASS...STANFORD...JUDITH GAP...LEWISTOWN... LEWISTOWN DIVIDE...BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS... TARGHEE PASS...WEST YELLOWSTONE 1156 AM MDT MON APR 18 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * TIMING AND MAIN IMPACT: PERIODS OF STEADY LIGHT SNOW ARE EXPECTED TO DEVELOP IN THE BOZEMAN...BIG SKY AND WEST YELLOWSTONE REGIONS BY LATE AFTERNOON...AND THEN CONTINUE THROUGH INTO THE DAY ON TUESDAY. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR IN THE MOUNTAINS AND DURING THE OVERNIGHT HOURS TONIGHT. ROADS WILL BE SNOW COVERED AND COULD BE ICY IN SPOTS ESPECIALLY IN THE MOUNTAINS. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS TONIGHT THROUGH TUESDAY SHOULD RANGE FROM 2 TO 5 INCHES AT LOWER ELEVATIONS... TO 6 TO 10 INCHES IN THE MOUNTAINS. * VISIBILITY: VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. * LOCATIONS AFFECTED INCLUDE: BATTLE RIDGE PASS...BOZEMAN... BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE...STANFORD... JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE...GREAT FALLS... KINGS HILL PASS. 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 17, 4:36 AM MDT, 1 hour 18 minutes earlier.
Area forecast discussion, Apr 17, 4:36 AM MDT, 1 hour 18 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 436 AM MDT SUN APR 17 2011 .UPDATE... UPDATED POPS AND WEATHER FOR PORTIONS OF NORTH CENTRAL MONTANA INCLUDING GREAT FALLS. && .PREV DISCUSSION...ISSUED 405 AM MDT SUN APR 17 2011 TODAY THROUGH TUESDAY...MOIST UNSTABLE WEST TO NORTHWEST FLOW ALOFT WILL CONTINUE OVER THE AREA. LOW LEVEL UPSLOPE FLOW IS TAKING PLACE ACROSS THE HI-LINE AND IS PRODUCING AREAS OF STEADY ACCUMULATING SNOW. SOME LOCATIONS HAVE REPORTED UP TO AN INCH AND A HALF OF SNOW. MODELS DEPICT THIS AREA RECEIVING LIGHT SNOW THROUGH MIDDAY MONDAY. HAVE ISSUED A WINTER WEATHER ADVISORY FOR SNOW UNTIL NOON MONDAY FOR THE NORTHERN PORTION OF THE COUNTY WARNING AREA. SNOW WILL LIKELY ACCUMULATE ON GRASSY SURFACES THOUGH ROADWAYS MAY BECOME SLUSHY DURING OVERNIGHT HOURS. FLOW ALOFT BEGINS TO TURN SOUTHWESTERLY ON MONDAY AS AN UPPER TROF MOVES TO THE PACIFIC NORTHWEST. SCATTERED RAIN AND SNOW WILL BEOME MORE WIDESPREAD IN AREAL COVERAGE. BY TUESDAY THE UPPER TROF MOVES ACROSS THE CONTINENTAL DIVIDE AND OVER THE AREA. SCATTERED RAIN AND SNOW WILL CONTINUE. TEMPERATURES WILL CONTINUE 12 TO 15 DEGREES BELOW SEASONAL AVERAGES. EMANUEL TUESDAY NIGHT THROUGH SUNDAY...EXPECT A GRADUAL TRANSITION FROM COOL AND UNSETTLED WEATHER...TO A BIT WARMER AND DRIER SPRING LIKE AIR DURING THIS PERIOD. THE PERIOD WILL START UNSETTLED...WITH SCATTERED RAIN/SNOW SHOWERS TUESDAY NIGHT THROUGH FRIDAY...WITH THE BEST CHANCE FOR PRECIPITATION OCCURRING ON THURSDAY OVER SOUTHWEST MONTANA. ANY SNOW ACCUMULATIONS TUESDAY THROUGH THURSDAY ARE EXPECTED TO BE CONFINED MAINLY TO THE MOUNTAINS ABOVE 5000 FEET...AND GENERALLY MINOR...WITH ONLY 1 TO 2 INCHES OF NEW SNOWFALL EXPECTED PER DAY. BY NEXT SATURDAY...THINGS SHOULD BEGIN TO DRY OUT QUITE A BIT...HOWEVER...A NEW STORM SYSTEM COULD MOVE INTO THE REGION BY NEXT SUNDAY AFTERNOON. TEMPERATURES WILL START OFF WELL BELOW NORMAL FOR WEDNESDAY AND THURSDAY...THEN SLOWLY START TO WARM A BIT EACH DAY FRIDAY THROUGH SUNDAY. BY SUNDAY...AFTERNOON TEMPERATURES ARE EXPECTED TO BE JUST A FEW DEGREES BELOW NORMAL. BRUSDA && .AVIATION... UPDATED 0500Z. A STRONG UPPER LEVEL JET IS OVER THE REGION WITH A CYCLONIC WAVE SITUATED OVER SOUTHERN BRITISH COLUMBIA. THESE FEATURES ARE EXPECTED TO SLOWLY SAG SOUTH OVER THE NEXT 24 HOURS. AT THE SURFACE A LOW PRESSURE SYSTEM IS CENTERED OVER SOUTH CENTRAL MONTANA AND NORTHERN WYOMING WITH AN INVERTED TROUGH EXPECTED TO PERSIST OVER NORTH CENTRAL MONTANA THROUGH SUNDAY AFTERNOON. THIS TROUGH WILL ACT AS A FOCAL POINT FOR MOISTURE CONVERGENCE WITH LOW CLOUDS AND WIDESPREAD RAIN AND SNOW SHOWERS EXPECTED TO DEVELOP OVERNIGHT FOR MVFR/IFR CONDITIONS. CONDITIONS IMPROVE AFTER 18Z SUNDAY AS THE MOISTURE BEGINS TO MOVE EAST. MPJ && .HYDROLOGY... LATEST RIVER FORECAST PROJECTS THAT THE MILK RIVER AT HARLEM WILL REMAIN NEAR OT JUST BELOW FLOOD STAGE AND A FLOOD WATCH CONTINUES THROUGH THE NEXT SEVERAL DAYS. 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 THIS COUNTY REMAIN IN EFFECT AT LEAST THROUGH MONDAY. && .PRELIMINARY POINT TEMPS/POPS... GTF 45 26 44 24 / 60 20 40 50 CTB 34 24 38 23 / 80 80 70 40 HLN 52 29 48 26 / 40 20 40 40 BZN 56 29 49 25 / 40 30 50 60 WEY 43 28 40 18 / 90 70 80 50 DLN 52 29 49 24 / 30 20 50 50 HVR 42 28 45 27 / 80 80 70 30 LWT 45 24 39 24 / 30 30 50 70 && .TFX WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY UNTIL NOON MDT MONDAY BLAINE...EASTERN GLACIER...EASTERN PONDERA...HILL...LIBERTY...NORTHERN ROCKY MOUNTAIN FRONT...TOOLE. FLOOD WATCH FOR THE MILK RIVER NEAR HARLEM WILL CONTINUE IN EFFECT UNTIL FURTHER NOTICE. AREAL FLOOD ADVISORY UNTIL 3 PM MDT SUNDAY AFTERNOON FOR BLAINE COUNTY. && SHORT TERM...EMANUEL LONG TERM...BRUSDA AVIATION...MPJ WEATHER.GOV/GREATFALLS
Hazardous weather outlook, Apr 16, 6:24 PM MDT, 11 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE GREAT FALLS MT 624 PM MDT SAT APR 16 2011 MTZ047-171145- BLAINE- 624 PM MDT SAT APR 16 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL MONTANA. A FLOOD ADVISORY REMAINS IN EFFECT FOR CREEKS AND SMALL STREAMS IN BLAINE COUNTY. A FLOOD WATCH IS ALSO IN EFFECT FOR THE MILK RIVER NEAR HARLEM. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE FLOOD WATCH FOR THE MILK RIVER NEAR HARLEM REMAINS IN EFFECT UNTIL FURTHER NOTICE. THE FLOOD ADVISORY REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... REPORTS OF FLOODING WOULD BE GREATLY APPRECIATED. MTZ008>015-044>046-048>055-171145- BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL- 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- 624 PM MDT SAT APR 16 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 IS LOW. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .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 17, 3:46 AM MDT | Winter Weather Advisory | TFX | 25 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.