Alert archive / Montana / Blizzard Warnings in 2012
Blizzard Warning 2, NWS Glasgow, MT
NWS Glasgow, MT issued this blizzard warning at Apr 6, 2012, 3:45 AM MDT for 4 counties in Montana. It was in force for 17 hr. 7 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 6, 2012, 3:45 AM MDT (09:45 UTC)
- Expired
- Apr 6, 2012, 8:48 PM MDT
- In force
- 17 hr
- Issued by
- NWS Glasgow, MT
Counties Garfield County, MT, Petroleum County, MT, Phillips County, MT, Valley County, MT
The radar
The Glasgow radar (KGGW), 80 km from the middle of the area, began a volume at 09:44 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 6, 3:09 PM MDT | HEAVY SNOW 6 | Zortman, MT | 5 TO 6 INCHES OF NEW SNOW...STILL SNOWING. |
| Apr 6, 3:15 PM MDT | BLIZZARD | 4 Sw Hinsdale, MT | VISIBIILTY AS LOW AS 1/8 MILE AT TIMES. N WIND 30-35 MPH WITH 4 INCHES STORM TOTAL SNOWFALL. |
| Apr 6, 3:19 PM MDT | SNOW 3 | 21 Ne Winnett, MT | VARYING SNOW DEPTHS FROM 1 TO 3 INCHES...SNOW MELTING THROUGH THE DAY...STILL SNOWING. |
| Apr 6, 3:39 PM MDT | SNOW 4 | 18 Ne Whitewater, MT | SNOW DEPTH VARYING 3 TO 4 INCHES...SNOW MELTING THROUGH THE DAY...SOME 1 FOOT DRIFTS...STILL SNOWING. |
| Apr 6, 6:38 PM MDT | SNOW 0 | 15 E Malta, MT | BETWEEN MALTA AND SLEEPING BUFFALO...SNOW REDUCING VISIBILITIES FROM 100 TO 200 YARDS WITH ESTIMATED 25 MPH WINDS. SLUSH ON ROAD CAUSING DRIVING DIFICULTIES. |
| Apr 6, 7:47 PM MDT | SNOW 4 | Winnett, MT | 3-4 INCHES OF SNOW DURING THE DAY...BUT HAS NOW MELTED TO ONLY ABOUT ONE HALF INCH. ROADS CLEAR. |
| Apr 6, 8:09 PM MDT | SNOW 2 | 4 N Saco, MT | MOSTLY SINCE 630PM. HAD RAIN AND SNOW OFF AND ON ALL DAY WITH GROUND TURNING WHITE SEVERAL TIMES. SNOW LETTING UP NOW. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 9.8 hours before the alert went out and 82 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
111 WWUS45 KGGW 060945 WSWGGW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GLASGOW MT 345 AM MDT FRI APR 6 2012 ...BLIZZARD CONDITIONS EXPECTED TODAY AND TONIGHT... .A SLOW MOVING LOW PRESSURE SYSTEM WILL MOVE NORTH ALONG THE MONTANA AND NORTH DAKOTA BORDER TODAY AND INTO SASKATCHEWAN TONIGHT. A MIX OF RAIN AND SNOW HAS DEVELOPED OVERNIGHT ACROSS NORTHEAST MONTANA. LIGHT TO MODERATE SNOW FALL WILL CONTINUE THIS MORNING ACROSS PHILLIPS...PETROLEUM AND NORTHERN AND WESTERN VALLEY AND WESTERN GARFIELD COUNTIES. THE CHANGE FROM RAIN TO SNOW WILL MOVE FURTHER EASTWARD INTO THE REMAINDER OF VALLEY AND GARFIELD COUNTIES THIS AFTERNOON. STRONG NORTHWEST WINDS WILL CREATE BLIZZARD CONDITIONS TODAY AND TONIGHT. MTZ016-017-022-059>061-062200- /O.UPG.KGGW.BZ.A.0001.120406T1200Z-120408T0000Z/ /O.NEW.KGGW.BZ.W.0002.120406T0945Z-120407T1200Z/ CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- GARFIELD-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS-NORTHERN VALLEY- INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK... HINSDALE...FRAZER...JORDAN...WHITEWATER...ZORTMAN...OPHEIM 345 AM MDT FRI APR 6 2012 ...BLIZZARD WARNING IN EFFECT UNTIL 6 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 6 AM MDT SATURDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE THIS MORNING ACROSS PHILLIPS...NORTHERN AND WESTERN VALLEY AND WESTERN GARFIELD COUNTIES. FURTHER EASTWARD...RAIN WILL CHANGE TO SNOW OVER THE REMAINDER OF VALLEY AND GARFIELD COUNTIES BY THE AFTERNOON. THE SNOW WILL BE HEAVY AT TIMES AS WELL. STRONG NORTHWEST WINDS WILL DEVELOP THIS MORNING WITH BLIZZARD CONDITIONS THROUGH LATE TONIGHT. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE EXPECTED WITH NEAR ZERO VISIBILITY LIKELY IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...HIGHER TERRAIN AREAS LIKE THE LITTLE ROCKY MOUNTAINS AND THE OPHEIM...LORING AND WHITEWATER AREAS COULD RECEIVE 9 TO 12 INCHES OF SNOW. LESSER AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED IN THE LOWER ELEVATIONS OF PHILLIPS...VALLEY AND GARFIELD COUNTIES. * OTHER IMPACTS...SNOW WILL START AS WET AND SLUSHY THIS MORNING. THIS SNOW IS EXPECTED TO FREEZE ON AREA ROADS BY THIS EVENING MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL TODAY AND TONIGHT AS WHITEOUT CONDITIONS ARE EXPECTED AND MANY ROADS WILL BECOME DRIFTED SHUT. IF TRAPPED IN THE BLIZZARD DO NOT LEAVE YOUR CAR. DISORIENTATION CAN OCCUR QUICKLY IN LOW TEMPERATURES AND WHITE OUT CONDITIONS WHICH CAN LEAD TO A LIFE THREATENING SITUATION. && $$ MTZ021-062200- /O.UPG.KGGW.BZ.A.0001.120406T1200Z-120407T1200Z/ /O.NEW.KGGW.BZ.W.0002.120406T0945Z-120407T1200Z/ PETROLEUM- INCLUDING THE CITY OF...WINNETT 345 AM MDT FRI APR 6 2012 ...BLIZZARD WARNING IN EFFECT UNTIL 6 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 6 AM MDT SATURDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BECOME HEAVY AT TIMES THIS MORNING. THE SNOW WILL CONTINUE THROUGH LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP THIS MORNING AND CREATE BLIZZARD CONDITIONS THROUGH LATE TONIGHT. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE EXPECTED WITH NEAR ZERO VISIBILITY IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...4 TO 7 INCHES OF SNOW ARE EXPECTED TODAY AND TONIGHT. * OTHER IMPACTS...SNOW WILL START AS WET AND SLUSHY FRIDAY MORNING. THIS SNOW IS EXPECTED TO FREEZE ON THE ROAD FRIDAY NIGHT MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL TODAY AND TONIGHT AS WHITEOUT CONDITIONS ARE EXPECTED AND MANY ROADS WILL BECOME DRIFTED SHUT. IF TRAPPED IN THE BLIZZARD DO NOT LEAVE YOUR CAR. DISORIENTATION CAN OCCUR QUICKLY IN LOW TEMPERATURES AND WHITE OUT CONDITIONS WHICH CAN LEAD TO A LIFE THREATENING SITUATION. && $$ MTZ020-062-062200- /O.EXB.KGGW.BZ.A.0001.120407T0000Z-120407T1200Z/ WESTERN ROOSEVELT-EASTERN ROOSEVELT- INCLUDING THE CITIES OF...WOLF POINT...POPLAR...CULBERTSON 345 AM MDT FRI APR 6 2012 ...BLIZZARD WATCH IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A BLIZZARD WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT. * TIMING...RAIN WILL CHANGE TO SNOW THIS EVENING AND CONTINUE THROUGH LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP BY AFTERNOON WITH BLIZZARD CONDITIONS POSSIBLE THIS EVENING THROUGH LATE TONIGHT. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE LIKELY WITH NEAR ZERO VISIBILITY POSSIBLE IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...2 TO 5 INCHES ARE POSSIBLE. * OTHER IMPACTS...THE WET SLUSHY SNOW MAY FREEZE ON AREA ROADS TONIGHT MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW WOULD BE AN EXCELLENT TIME TO STOCK UP ON FOOD... MEDICAL... AND HOUSEHOLD SUPPLIES AS POWER CAN TAKE DAYS TO RESTORE. DEVELOPING ALTERNATE TRAVEL PLANS AND OR PREPARING PERSONAL VEHICLES WITH A WINTER WEATHER SURVIVAL KIT ARE HIGHLY ENCOURAGED. NOW WOULD ALSO BE A GOOD TIME TO TAKE ACTIONS TO PROTECT LIVESTOCK AND PETS AND OR TO WINTERIZE PERSONAL PROPERTY. && $$ MTZ018-019-062200- /O.EXT.KGGW.BZ.A.0001.120407T0000Z-120407T1200Z/ DANIELS-SHERIDAN- INCLUDING THE CITIES OF...SCOBEY...PLENTYWOOD...MEDICINE LAKE 345 AM MDT FRI APR 6 2012 ...BLIZZARD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... THE BLIZZARD WATCH IS NOW IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT. * TIMING...RAIN WILL CHANGE TO SNOW THIS EVENING AND CONTINUE UNTIL LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP BY THIS AFTERNOON WITH BLIZZARD CONDITIONS POSSIBLE THROUGH LATE TONIGHT. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE LIKELY WITH NEAR ZERO VISIBILITY POSSIBLE IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...3 TO 7 INCHES ARE POSSIBLE. * OTHER IMPACTS...THE WET SLUSHY SNOW MAY FREEZE ON AREA ROADS TONIGHT MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR SEVERAL DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW WOULD BE AN EXCELLENT TIME TO STOCK UP ON FOOD... MEDICAL... AND HOUSEHOLD SUPPLIES AS POWER CAN TAKE DAYS TO RESTORE. DEVELOPING ALTERNATE TRAVEL PLANS AND OR PREPARING PERSONAL VEHICLES WITH A WINTER WEATHER SURVIVAL KIT ARE HIGHLY ENCOURAGED. NOW WOULD ALSO BE A GOOD TIME TO TAKE ACTIONS TO PROTECT LIVESTOCK AND PETS AND OR TO WINTERIZE PERSONAL PROPERTY. && $$
4 follow-up statements
185 WWUS45 KGGW 062120 WSWGGW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GLASGOW MT 320 PM MDT FRI APR 6 2012 ...BLIZZARD CONDITIONS EXPECTED THROUGH TONIGHT... .A SLOW MOVING LOW PRESSURE SYSTEM IS TRACKING NORTH ALONG THE MONTANA AND NORTH DAKOTA BORDER...WILL MOVE INTO SASKATCHEWAN TONIGHT. RAIN WILL CHANGE OVER TO SNOW LATE THIS AFTERNOON. STRONG NORTHWEST WINDS WILL CREATE BLIZZARD CONDITIONS THIS EVENING AND THROUGH SATURDAY MORNING. MTZ016-017-021-022-059>061-071200- /O.CON.KGGW.BZ.W.0002.000000T0000Z-120407T1200Z/ CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- PETROLEUM-GARFIELD-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS- NORTHERN VALLEY- INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK... HINSDALE...FRAZER...WINNETT...JORDAN...WHITEWATER...ZORTMAN... OPHEIM 320 PM MDT FRI APR 6 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY. * TIMING...RAIN WILL CHANGE TO SNOW OVER THE REMAINDER OF VALLEY AND GARFIELD COUNTIES BY LATE THIS AFTERNOON. THE SNOW WILL BE HEAVY AT TIMES AS WELL. STRONG NORTHWEST WINDS WILL DEVELOP THIS MORNING WITH BLIZZARD CONDITIONS THROUGH LATE TONIGHT. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE EXPECTED WITH NEAR ZERO VISIBILITY LIKELY IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...HIGHER TERRAIN AREAS LIKE THE LITTLE ROCKY MOUNTAINS AND THE OPHEIM...LORING AND WHITEWATER AREAS COULD RECEIVE 4 TO 7 INCHES OF SNOW. LESSER AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED IN THE LOWER ELEVATIONS OF PHILLIPS...VALLEY AND GARFIELD COUNTIES. * OTHER IMPACTS...WET SLUSHY SNOW IS EXPECTED TO FREEZE ON AREA ROADS BY THIS EVENING MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL TODAY AND TONIGHT AS WHITEOUT CONDITIONS ARE EXPECTED AND MANY ROADS WILL BECOME DRIFTED SHUT. IF TRAPPED IN THE BLIZZARD DO NOT LEAVE YOUR CAR. DISORIENTATION CAN OCCUR QUICKLY IN LOW TEMPERATURES AND WHITE OUT CONDITIONS WHICH CAN LEAD TO A LIFE THREATENING SITUATION. && $$ MTZ018>020-062-071200- /O.UPG.KGGW.BZ.A.0001.120407T0000Z-120407T1200Z/ /O.NEW.KGGW.WW.Y.0010.120407T0000Z-120407T1200Z/ DANIELS-SHERIDAN-WESTERN ROOSEVELT-EASTERN ROOSEVELT- INCLUDING THE CITIES OF...SCOBEY...PLENTYWOOD...MEDICINE LAKE... WOLF POINT...POPLAR...CULBERTSON 320 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT SATURDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN WILL CHANGE OVER TO SNOW THIS EVENING AND CONTINUE THROUGH LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP BY AFTERNOON AND PERSIST THROUGH SATURDAY MORNING. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE LIKELY WITH NEAR ZERO VISIBILITY POSSIBLE IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...1 TO 3 INCHES ARE POSSIBLE. * MAIN IMPACT...STRONG GUSTY NORTHWEST WINDS WILL CAUSE SNOW TO BLOW AND DRIFT. * OTHER IMPACTS...THE WET SLUSHY SNOW MAY FREEZE ON AREA ROADS TONIGHT MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW WOULD BE AN EXCELLENT TIME TO STOCK UP ON FOOD... MEDICAL... AND HOUSEHOLD SUPPLIES AS POWER CAN TAKE DAYS TO RESTORE. DEVELOPING ALTERNATE TRAVEL PLANS AND OR PREPARING PERSONAL VEHICLES WITH A WINTER WEATHER SURVIVAL KIT ARE HIGHLY ENCOURAGED. NOW WOULD ALSO BE A GOOD TIME TO TAKE ACTIONS TO PROTECT LIVESTOCK AND PETS AND OR TO WINTERIZE PERSONAL PROPERTY. && $$ MTZ023>027-071200- /O.NEW.KGGW.WW.Y.0010.120407T0000Z-120407T1200Z/ MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX- INCLUDING THE CITIES OF...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE... RICHEY...TERRY...WIBAUX 320 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND...WHICH IS IN EFFECT UNTIL 6 AM MDT SATURDAY. * TIMING...RAIN WILL CHANGE OVER TO SNOW THIS EVENING AND CONTINUE THROUGH LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP BY AFTERNOON AND PERSIST THROUGH SATURDAY MORNING. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * MAIN IMPACT...STRONG GUSTY NORTHWEST WINDS WILL CAUSE SNOW TO BLOW AND DRIFT. * OTHER IMPACTS...THE WET SLUSHY SNOW MAY FREEZE ON AREA ROADS TONIGHT MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW WOULD BE AN EXCELLENT TIME TO STOCK UP ON FOOD... MEDICAL... AND HOUSEHOLD SUPPLIES AS POWER CAN TAKE DAYS TO RESTORE. DEVELOPING ALTERNATE TRAVEL PLANS AND OR PREPARING PERSONAL VEHICLES WITH A WINTER WEATHER SURVIVAL KIT ARE HIGHLY ENCOURAGED. NOW WOULD ALSO BE A GOOD TIME TO TAKE ACTIONS TO PROTECT LIVESTOCK AND PETS AND OR TO WINTERIZE PERSONAL PROPERTY. && $$
905 WWUS45 KGGW 062209 WSWGGW URGENT - WINTER WEATHER MESSAGE...RESENT NATIONAL WEATHER SERVICE GLASGOW MT 409 PM MDT FRI APR 6 2012 ...BLIZZARD CONDITIONS EXPECTED THROUGH TONIGHT... .A SLOW MOVING LOW PRESSURE SYSTEM IS TRACKING NORTH ALONG THE MONTANA AND NORTH DAKOTA BORDER...WILL MOVE INTO SASKATCHEWAN TONIGHT. RAIN WILL CHANGE OVER TO SNOW LATE THIS AFTERNOON. STRONG NORTHWEST WINDS WILL CREATE BLIZZARD CONDITIONS THIS EVENING AND THROUGH SATURDAY MORNING. MTZ016-017-021-022-059>061-071200- /O.CON.KGGW.BZ.W.0002.000000T0000Z-120407T1200Z/ CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- PETROLEUM-GARFIELD-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS- NORTHERN VALLEY- INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK... HINSDALE...FRAZER...WINNETT...JORDAN...WHITEWATER...ZORTMAN... OPHEIM 409 PM MDT FRI APR 6 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY. * TIMING...RAIN WILL CHANGE TO SNOW OVER THE REMAINDER OF VALLEY AND GARFIELD COUNTIES BY LATE THIS AFTERNOON. THE SNOW WILL BE HEAVY AT TIMES AS WELL. STRONG NORTHWEST WINDS WILL DEVELOP THIS MORNING WITH BLIZZARD CONDITIONS THROUGH LATE TONIGHT. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE EXPECTED WITH NEAR ZERO VISIBILITY LIKELY IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...HIGHER TERRAIN AREAS LIKE THE LITTLE ROCKY MOUNTAINS AND THE OPHEIM...LORING AND WHITEWATER AREAS COULD RECEIVE 4 TO 7 INCHES OF SNOW. LESSER AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED IN THE LOWER ELEVATIONS OF PHILLIPS...VALLEY AND GARFIELD COUNTIES. * OTHER IMPACTS...WET SLUSHY SNOW IS EXPECTED TO FREEZE ON AREA ROADS BY THIS EVENING MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL TODAY AND TONIGHT AS WHITEOUT CONDITIONS ARE EXPECTED AND MANY ROADS WILL BECOME DRIFTED SHUT. IF TRAPPED IN THE BLIZZARD DO NOT LEAVE YOUR CAR. DISORIENTATION CAN OCCUR QUICKLY IN LOW TEMPERATURES AND WHITE OUT CONDITIONS WHICH CAN LEAD TO A LIFE THREATENING SITUATION. && $$ MTZ018>020-062-071200- /O.UPG.KGGW.BZ.A.0001.120407T0000Z-120407T1200Z/ /O.NEW.KGGW.WW.Y.0010.120407T0000Z-120407T1200Z/ DANIELS-SHERIDAN-WESTERN ROOSEVELT-EASTERN ROOSEVELT- INCLUDING THE CITIES OF...SCOBEY...PLENTYWOOD...MEDICINE LAKE... WOLF POINT...POPLAR...CULBERTSON 409 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT SATURDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN WILL CHANGE OVER TO SNOW THIS EVENING AND CONTINUE THROUGH LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP BY AFTERNOON AND PERSIST THROUGH SATURDAY MORNING. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE LIKELY WITH NEAR ZERO VISIBILITY POSSIBLE IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...1 TO 3 INCHES ARE POSSIBLE. * MAIN IMPACT...STRONG GUSTY NORTHWEST WINDS WILL CAUSE SNOW TO BLOW AND DRIFT. * OTHER IMPACTS...THE WET SLUSHY SNOW MAY FREEZE ON AREA ROADS TONIGHT MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW WOULD BE AN EXCELLENT TIME TO STOCK UP ON FOOD... MEDICAL... AND HOUSEHOLD SUPPLIES AS POWER CAN TAKE DAYS TO RESTORE. DEVELOPING ALTERNATE TRAVEL PLANS AND OR PREPARING PERSONAL VEHICLES WITH A WINTER WEATHER SURVIVAL KIT ARE HIGHLY ENCOURAGED. NOW WOULD ALSO BE A GOOD TIME TO TAKE ACTIONS TO PROTECT LIVESTOCK AND PETS AND OR TO WINTERIZE PERSONAL PROPERTY. && $$ MTZ023>027-071200- /O.NEW.KGGW.WW.Y.0010.120407T0000Z-120407T1200Z/ MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX- INCLUDING THE CITIES OF...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE... RICHEY...TERRY...WIBAUX 409 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SATURDAY... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND...WHICH IS IN EFFECT UNTIL 6 AM MDT SATURDAY. * TIMING...RAIN WILL CHANGE OVER TO SNOW THIS EVENING AND CONTINUE THROUGH LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP BY AFTERNOON AND PERSIST THROUGH SATURDAY MORNING. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * MAIN IMPACT...STRONG GUSTY NORTHWEST WINDS WILL CAUSE SNOW TO BLOW AND DRIFT. * OTHER IMPACTS...THE WET SLUSHY SNOW MAY FREEZE ON AREA ROADS TONIGHT MAKING FOR VERY SLIPPERY CONDITIONS. LIVESTOCK COULD BECOME STRANDED FOR A FEW DAYS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... NOW WOULD BE AN EXCELLENT TIME TO STOCK UP ON FOOD... MEDICAL... AND HOUSEHOLD SUPPLIES AS POWER CAN TAKE DAYS TO RESTORE. DEVELOPING ALTERNATE TRAVEL PLANS AND OR PREPARING PERSONAL VEHICLES WITH A WINTER WEATHER SURVIVAL KIT ARE HIGHLY ENCOURAGED. NOW WOULD ALSO BE A GOOD TIME TO TAKE ACTIONS TO PROTECT LIVESTOCK AND PETS AND OR TO WINTERIZE PERSONAL PROPERTY. && $$
121 WWUS45 KGGW 062321 WSWGGW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GLASGOW MT 521 PM MDT FRI APR 6 2012 ...BLIZZARD CONDITIONS EXPECTED THROUGH TONIGHT... .A SLOW MOVING LOW PRESSURE SYSTEM IS TRACKING NORTH ALONG THE MONTANA AND NORTH DAKOTA BORDER...AND WILL MOVE INTO SASKATCHEWAN TONIGHT. SNOW FALLING IN PHILLIPS COUNTY HAS ALREADY ACCUMULATED UP TO 6 INCHES ALONG THE INTERNATIONAL BORDER AND DOWN TOWARDS ZORTMAN. SNOW IS EXPECTED TO DEVELOP DURING THE EVENING HOURS OVER THE EASTERN COUNTIES. STRONG NORTHWEST WINDS WILL CREATE BLIZZARD CONDITIONS THIS EVENING AND THROUGH SATURDAY MORNING. MTZ016-017-021-022-059>061-070800- /O.CON.KGGW.BZ.W.0002.000000T0000Z-120407T1200Z/ CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- PETROLEUM-GARFIELD-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS- NORTHERN VALLEY- INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK... HINSDALE...FRAZER...WINNETT...JORDAN...WHITEWATER...ZORTMAN... OPHEIM 521 PM MDT FRI APR 6 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY. * TIMING...RAIN WILL CHANGE TO SNOW OVER EASTERN VALLEY AND GARFIELD COUNTIES BY EARLY EVENING. THE SNOW WILL BE HEAVY AT TIMES. STRONG NORTHWEST WINDS WILL CONTINUE CAUSING BLIZZARD CONDITIONS THROUGH LATE TONIGHT. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE EXPECTED WITH NEAR ZERO VISIBILITY LIKELY IN SNOW AND BLOWING SNOW. * SNOW ACCUMULATIONS...HIGHER TERRAIN AREAS LIKE THE LITTLE ROCKIES AND THE OPHEIM...LORING AND WHITEWATER AREAS COULD RECEIVE 4 TO 7 INCHES OF SNOW. LESSER AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED IN THE LOWER ELEVATIONS OF PHILLIPS... VALLEY AND GARFIELD COUNTIES. * OTHER IMPACTS...WET SLUSHY SNOW IS EXPECTED TO FREEZE ON AREA ROADS BY THIS EVENING MAKING FOR VERY SLIPPERY CONDITIONS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL TONIGHT AS WHITEOUT CONDITIONS ARE EXPECTED AND MANY ROADS WILL BECOME DRIFTED SHUT. IF TRAPPED IN THE BLIZZARD DO NOT LEAVE YOUR CAR. DISORIENTATION CAN OCCUR QUICKLY IN LOW TEMPERATURES AND WHITE OUT CONDITIONS WHICH CAN LEAD TO A LIFE THREATENING SITUATION. && $$ MTZ018>020-023>027-062-070800- /O.CON.KGGW.WW.Y.0010.120407T0000Z-120407T1200Z/ DANIELS-SHERIDAN-WESTERN ROOSEVELT-MCCONE-RICHLAND-DAWSON-PRAIRIE- WIBAUX-EASTERN ROOSEVELT- INCLUDING THE CITIES OF...SCOBEY...PLENTYWOOD...MEDICINE LAKE... WOLF POINT...POPLAR...CIRCLE...SIDNEY...FAIRVIEW...GLENDIVE... RICHEY...TERRY...WIBAUX...CULBERTSON 521 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY. * TIMING...RAIN WILL CHANGE OVER TO SNOW THIS EVENING AND CONTINUE THROUGH LATE TONIGHT. STRONG NORTHWEST WINDS WILL DEVELOP BY THIS EVENING AND WILL PERSIST THROUGH SATURDAY MORNING. THE SNOW WILL DIMINISH EARLY SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE LIKELY. GUSTY WINDS WILL CAUSE THE SNOW TO BLOW WHICH COULD REDUCE VISIBILITY AT TIMES. * SNOW ACCUMULATIONS...1 TO 3 INCHES ARE POSSIBLE. * MAIN IMPACT...STRONG GUSTY NORTHWEST WINDS WILL CAUSE SNOW TO BLOW AND DRIFT. * OTHER IMPACTS...THE WET SLUSHY SNOW MAY FREEZE ON AREA ROADS TONIGHT MAKING FOR VERY SLIPPERY CONDITIONS. STRONG WINDS COULD CAUSE TREE LIMBS AND POWER LINES TO SNAP...LEADING TO POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
521 WWUS45 KGGW 070248 WSWGGW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GLASGOW MT 848 PM MDT FRI APR 6 2012 ...WINTER WEATHER CONDITIONS EXPECTED OVERNIGHT... .A SLOW MOVING LOW PRESSURE SYSTEM IS TRACKING NORTH ALONG THE EASTERN EDGE OF MONTANA...AND WILL MOVE INTO SASKATCHEWAN OVERNIGHT. SNOW FALL AMOUNTS FROM EARLIER TODAY HAVE DIMINISHED. THE WET SNOW AND STIFF WINDS HAVE GENERALLY ALLOWED AREA ROADWAYS MORE TRAVELLED TO REMAIN FREE OF SNOW. ADDITIONAL SNOWFALL WILL BE FOCUSED ALONG AND EAST OF A LINE FROM SACO TO JORDAN OVERNIGHT AND THROUGH SATURDAY MORNING. MTZ016-017-021-022-059>061-071100- /O.CAN.KGGW.BZ.W.0002.000000T0000Z-120407T1200Z/ /O.EXA.KGGW.WW.Y.0010.000000T0000Z-120407T1200Z/ CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- PETROLEUM-GARFIELD-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS- NORTHERN VALLEY- INCLUDING THE CITIES OF...MALTA...SACO...GLASGOW...FORT PECK... HINSDALE...FRAZER...WINNETT...JORDAN...WHITEWATER...ZORTMAN... OPHEIM 848 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT SATURDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW WHICH IS IN EFFECT UNTIL 6 AM MDT SATURDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. * TIMING...LIGHT TO MODERATE SNOW WILL MOVE SLOWLY EAST ACROSS SOUTHERN PHILLIPS...NORTHERN GARFIELD AND ALL OF VALLEY COUNTY THROUGH MIDNIGHT. ELSEWHERE LIGHT SNOW WILL BE MORE INTERMITTENT. NORTHWEST WINDS WILL PERSIST AND LINGER THROUGH THE OVERNIGHT HOURS. CONDITIONS WILL IMPROVE EARLY SATURDAY MORNING. * WINDS/VISIBILITY...GUSTY NORTHWEST WINDS WILL OCCASIONALLY REDUCE VISIBILITY TO LESS THAN ONE MILE IN THE HEAVIER SNOW BANDS. * SNOW ACCUMULATIONS...1 TO 3 ADDITIONAL INCHES ARE POSSIBLE. * OTHER IMPACTS...THE WET AND SLUSHY SNOW MAY FREEZE ON AREA ROADS OVERNIGHT MAKING FOR HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTY. BE PREPARED FOR SLIPPERY ROADS AND REDUCED VISIBILITY...USE CAUTION WHILE DRIVING. && $$ MTZ019-062-071100- /O.EXT.KGGW.WW.Y.0010.000000T0000Z-120407T1500Z/ SHERIDAN-EASTERN ROOSEVELT- INCLUDING THE CITIES OF...PLENTYWOOD...MEDICINE LAKE...CULBERTSON 848 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT SATURDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 AM MDT SATURDAY. * TIMING...LIGHT TO MODERATE SNOW AND STRONGER NORTHWEST WINDS WILL DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH EARLY SATURDAY MORNING. CONDITIONS WILL IMPROVE LATER SATURDAY MORNING. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE LIKELY. GUSTY WINDS WILL CAUSE THE SNOW TO BLOW WHICH COULD REDUCE VISIBILITY AT TIMES. * SNOW ACCUMULATIONS...1 TO 3 INCHES ARE POSSIBLE. * OTHER IMPACTS...THE WET AND SLUSHY SNOW MAY FREEZE ON AREA ROADS OVERNIGHT MAKING FOR HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTY. BE PREPARED FOR SLIPPERY ROADS AND REDUCED VISIBILITY...USE CAUTION WHILE DRIVING. && $$ MTZ018-020-023>027-071100- /O.CON.KGGW.WW.Y.0010.000000T0000Z-120407T1200Z/ DANIELS-WESTERN ROOSEVELT-MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX- INCLUDING THE CITIES OF...SCOBEY...WOLF POINT...POPLAR...CIRCLE... SIDNEY...FAIRVIEW...GLENDIVE...RICHEY...TERRY...WIBAUX 848 PM MDT FRI APR 6 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY. * TIMING...LIGHT SNOW TO OCCASIONALLY MODERATE SNOW WILL INCREASE IN COVERAGE ACROSS THE REGION DURING THE OVERNIGHT HOURS...THEN END BY 6 AM. NORTHWEST WINDS WILL PERSIST AND LINGER THROUGH THE OVERNIGHT HOURS. * WINDS/VISIBILITY...NORTHWEST WINDS 20 TO 40 MPH ARE LIKELY. GUSTY WINDS WILL CAUSE THE SNOW TO BLOW WHICH COULD REDUCE VISIBILITY AT TIMES. * SNOW ACCUMULATIONS...1 TO 3 INCHES ARE POSSIBLE. * OTHER IMPACTS...THE WET AND SLUSHY SNOW MAY FREEZE ON AREA ROADS OVERNIGHT MAKING FOR HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTY. BE PREPARED FOR SLIPPERY ROADS AND REDUCED VISIBILITY...USE CAUTION WHILE DRIVING. && $$
What forecasters said that day
The local office's own words before this blizzard warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Glasgow, MT wrote its last area forecast discussion before this blizzard warning went out at Apr 5, 11:55 PM MDT, 3 hours 50 minutes earlier.
Area forecast discussion, Apr 5, 11:55 PM MDT, 3 hours 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GLASGOW MT 1155 PM MDT THU APR 5 2012 .SHORT TERM...FOR NORTHEAST MONTANA...TONIGHT THROUGH SATURDAY... UPDATE...UPDATED FORECAST OVERNIGHT IN THE EAST TO ACCOUNT FOR THUNDERSTORMS THAT HAVE DEVELOPED IN UNSTABLE AIRMASS OVER DAWSON AND MCCONE COUNTIES. THESE STORMS WILL MOVE NORTH OVERNIGHT AND HAVE A GOOD CHANCE OF HOLDING TOGETHER TO THE CANADIAN BORDER. PREVIOUS SHORT TERM... MAJOR WINTER STORM OR BLIZZARD STILL LOOKS TO IMPACT THE AREA...AFFECTING AREAS FROM SOUTHWEST TO NORTHEAST. DANIELS AND SHERIDAN COUNTIES WERE ANNEXED ONTO THE CURRENT BLIZZARD WATCH AREA. MODELS CONTINUE TO AGREE ON THE STORMS SYSTEM MOVING IN BUT DIFFER ON THE DETAILS. CURRENT FORECAST WAS MAINLY BASED ON THE GFS AND ECMWF SOLUTIONS. DEEP UPPER TROUGH OVER THE PACIFIC NW WILL HELP TO ENERGIZE A SURFACE LOW OVER WYOMING TONIGHT. AN INVERTED TROUGH IS STATIONARY AND EXTENDS UP ACROSS THE MONTANA/NORTH DAKOTA BORDER. DEEP MOISTURE WILL PRECIPITATE SNOW ACROSS THE CENTRAL MONTANA MOUNTAINS INTO NORTH-CENTRAL MONTANA. THIS AREA BLOSSOMS INTO NORTHEAST MONTANA FRIDAY WITH BLIZZARD CONDITIONS SETTING IN FROM HAVRE TO GLASGOW AND DOWN TOWARD ROUNDUP DURING THE AFTERNOON. FRIDAY NIGHT...THE WORST CONDITIONS LOOK TO BE OVER MOST OF THE CWA...WITH CONDITIONS SPREADING INTO THE EASTERN ZONES. ON SATURDAY...THE PROGRESSIVE SYSTEM MOVES OUT OF THE AREA AREA...BUT WINDS WILL INCREASE AND BECOME STRONG OVER THE EASTERN ZONES...WITH GUSTS TO 50 MPH POSSIBLE DURING THE AFTERNOON. STORM TOTAL SNOW LOOKS TO BE GREATEST IN PHILLIPS AND NORTHERN VALLEY COUNTIES WITH AMOUNTS UP TO 12 INCHES. JAMBA .LONG TERM...SATURDAY NIGHT THROUGH THURSDAY... BLIZZARD CONDITIONS SHOULD END BY SAT NIGHT. A CANADIAN SURFACE HIGH PRESSURE THEN BRINGS CLEAR SKIES FOR EASTER SUNDAY. WITH MOST THICKNESSES STILL BELOW 540 DM...N TO E WINDS...AND EXPECTED SNOWCOVER...HIGHS TO BE BELOW MOS/MODELS...BUT STILL WILL SHOW WARMING OVER SATURDAY DUE TO CLEAR SKIES AND RIDGING ALOFT. THE LONGWAVE PATTERN QUICKLY REVERTS BACK TO WHAT DOMINATED IN MARCH. MODELS IN GOOD AGREEMENT WITH THIS. THAT IS...A PERSISTENT LOW PRESSURE ALOFT OFF THE PACIFIC NW COAST...WHICH BUILDS A RIDGE OVER THE ROCKIES. THIS WILL BRING DRY AND SUNNY WEATHER WITH A WARMING TREND FOR NE MT MON THRU WED. TEMPS CLIMB BACK INTO THE 60S BY TUE/WED. LATE IN THE PERIOD A SHORTWAVE KICKS OUT FROM THE LONGWAVE LOW PRESSURE FOR A THREAT OF SHOWER BY WED NIGHT/THU. MODELS SPREAD OUT THE ENERGY QUITE A BIT THOUGH...SO A COUPLE SLIGHT CHANCE POPS PERIODS APPEAR ADEQUATE FOR NOW. SIMONSEN PREVIOUS LONG TERM...SATURDAY NIGHT THROUGH THURSDAY....SYNOPTIC SET-UP AS OF SATURDAY AFTERNOON...A COLD AIR TROUGH WILL EXIST OVER THE NORTHERN PLAINS BARRELING EAST INTO THE GREAT LAKES. A RIDGE LIES TO THE WEST OVER THE PACIFIC NORTHWEST WHICH WILL PLACE NORTHEAST MONTANA IN NORTHWEST FLOW. FURTHER WEST... A LONG WAVE COUPLET OF A TROUGH AND RIDGE EXIST OVER THE EASTERN EXTENT OF THE NORTH PACIFIC. SATURDAY NIGHT THROUGH TUESDAY... NORTHWEST FLOW WILL SLOWLY TRANSITION TO A RIDGE PATTERN. THE MORE THE NORTHWEST FLOW IS OBSERVED... THE DRYER IT BECOMES IN TH LONG RANGE. CURRENTLY STARTING TO BITE ON THE IDEA THAT CONDITIONS WILL REMAIN MOSTLY DRY THROUGH THE NORTHWEST FLOW PERIODS AS MODELS ARE NOT GIVING ANY HINT OF PRECIP FOR THE LAST TWO DAYS... DESPITE THE NORMAL CLIMO HINTING TOWARDS ODD PRECIP IN THESE KINDS OF FLOWS. TUESDAY NIGHT ONWARD... OVERALL RIDGE BEGINS TO BREAKDOWN AND PRECIP STARTS TO SHOW IN MODEL RUNS AS THE TROUGH FROM THE PACIFIC IMPACTS THE REGION. TROUGH WILL START TO MOVE THROUGH THE REGION AROUND THURSDAY AT THE END OF THE FORECAST AND SHOULD LOWER TEMPERATURES DOWN A BIT. A BRIEF SPIKE IN POPS CAN ALSO BE ANTICIPATED WITH THE FRONTAL PASSAGE AS WELL. GAH && .AVIATION... DRASTIC CHANGES IN STORE FOR AREA TAFS THROUGHOUT THIS TAF CYCLE. CURRENT VFR CONDITIONS WILL NOT LAST LONG AS RAIN SHOWERS NOW SPREADING NORTH ACROSS THE REGION WILL SOON BECOME MORE WIDESPREAD THROUGH THE MORNING HOURS WITH OCCASIONAL MVFR CONDITIONS. KSDY AND KGDV WILL EXPERIENCE MORE CONVECTIVE TYPE SHOWERS WHILE KGGW WILL EXPERIENCE MORE STRATIFORM TYPE SHOWERS. A GRADUAL WEST TO EAST CHANGE OVER FROM RAIN TO SNOW IS EXPECTED DURING THE AFTERNOON AND EVENING HOURS. TOWARD THE END OF THIS TAF PERIOD...SNOW AND BLOWING SNOW WILL LIKELY REDUCE FLIGHT CONDITIONS TO VLIFR FOR ALL TAF SITES. EXPECT STRONG CROSSWINDS FROM THE NORTH AND NORTHWEST. BMICKELSON && .GLASGOW WATCHES/WARNINGS/ADVISORIES... BLIZZARD WATCH FROM 6 AM MDT FRIDAY THROUGH SATURDAY AFTERNOON FOR CENTRAL AND SOUTHEAST PHILLIPS...CENTRAL AND SOUTHERN VALLEY...GARFIELD...NORTHERN PHILLIPS...SOUTHWEST PHILLIPS... NORTHERN VALLEY. BLIZZARD WATCH FROM FRIDAY EVENING THROUGH SATURDAY AFTERNOON FOR DANIELS...SHERIDAN. BLIZZARD WATCH FROM 6 AM MDT FRIDAY THROUGH LATE FRIDAY NIGHT FOR PETROLEUM. && WEATHER.GOV/GLASGOW
Hazardous weather outlook, Apr 5, 3:34 PM MDT, 12 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GLASGOW MT 334 PM MDT THU APR 5 2012 MTZ020-023>027-062-061100- WESTERN ROOSEVELT-MCCONE-RICHLAND-DAWSON-PRAIRIE-WIBAUX- EASTERN ROOSEVELT- 334 PM MDT THU APR 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A STRONG STORM SYSTEM WILL BRING RAIN TO THE AREA ON FRIDAY WITH A CHANCE OF THUNDERSTORMS FRIDAY AFTERNOON. COLDER AIR WILL MOVE INTO THE AREA FRIDAY NIGHT AND CHANGE THE RAIN TO SNOW. THERE IS A POTENTIAL FOR HEAVY SNOW FRIDAY NIGHT AND SATURDAY ESPECIALLY NORTH OF THE MISSOURI RIVER. STRONG NORTHWEST WINDS WILL ACCOMPANY THIS STORM AND BRING THE POSSIBILITY OF BLOWING AND DRIFTING SNOW THAT COULD MAKE TRAVEL HAZARDOUS. STAY TUNED FOR FURTHER UPDATES ON THIS UPCOMING STORM. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ016-017-022-059>061-061100- CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY- GARFIELD-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS-NORTHERN VALLEY- 334 PM MDT THU APR 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A BLIZZARD WATCH IS IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY AFTERNOON. A STRONG STORM SYSTEM WILL BRING THE POTENTIAL FOR HEAVY SNOW WITH STRONG NORTHWEST WINDS AND BLIZZARD CONDITIONS STARTING DURING THE DAY FRIDAY AND CONTINUING INTO SATURDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ021-061100- PETROLEUM- 334 PM MDT THU APR 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A BLIZZARD WATCH IS IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT. A STRONG STORM SYSTEM WILL BRING THE POTENTIAL FOR HEAVY SNOW WITH STRONG NORTHWEST WINDS AND BLIZZARD CONDITIONS STARTING FRIDAY MORNING AND CONTINUING THROUGH FRIDAY NIGHT. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ018-019-061100- DANIELS-SHERIDAN- 334 PM MDT THU APR 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A STRONG STORM SYSTEM WILL BRING RAIN TO THE AREA ON FRIDAY WITH A CHANCE OF THUNDERSTORMS FRIDAY AFTERNOON. COLDER AIR WILL MOVE INTO THE AREA FRIDAY NIGHT AND CHANGE THE RAIN TO SNOW. THERE IS A POTENTIAL FOR HEAVY SNOW FRIDAY NIGHT AND SATURDAY. STRONG NORTHWEST WINDS WILL ACCOMPANY THIS STORM AND BRING THE POSSIBILITY OF BLIZZARD CONDITIONS. THEREFORE A BLIZZARD WATCH IS IN EFFECT FOR FRIDAY NIGHT AND SATURDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 3:20 PM MDT | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 17 hr |
Nearby
Blizzard Warnings in Montana, 2012Every blizzard warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.