Alert archive / Michigan / Winter Storm Warnings in 2012
Winter Storm Warning 3, NWS Marquette, MI
NWS Marquette, MI issued this winter storm warning at Feb 26, 2012, 4:33 AM EST for Houghton County, Keweenaw County, Michigan. It took effect at Feb 26, 2012, 10:00 AM EST. It was in force for 24 hr. 15 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
- Feb 26, 2012, 4:33 AM EST (09:33 UTC)
- In effect from
- Feb 26, 2012, 10:00 AM EST
- Expired
- Feb 27, 2012, 10:00 AM EST
- In force
- 24 hr
- Issued by
- NWS Marquette, MI
Counties Houghton County, MI, Keweenaw County, MI
The radar
The Marquette radar (KMQT), 95 km from the middle of the area, began a volume at 09:35 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 |
|---|---|---|---|
| Feb 26, 2:00 PM EST | SNOW 3.5 | 1 Ese Houghton, MI | STORM TOTAL OVER PAST 5 HOURS. MODERATE BLOWING AND DRIFTING WITH VISIBILITIES AROUND 1/2 MILE. |
| Feb 26, 2:07 PM EST | SNOW 2 | 2 E Winona, MI | STORM TOTAL SINCE THIS MORNING. MODERATE BLOWING AND DRIFTING. |
| Feb 26, 2:15 PM EST | SNOW 2 | Calumet, MI | STORM TOTAL SINCE AROUND 10AM THIS MORNING. MEASURED IN UNDRIFTED AREA. SNOW STILL FALLING STEADILY AND BLOWING...WITH VISIBILITIES AROUND 1/4 A MILE. |
| Feb 26, 2:18 PM EST | SNOW 4.5 | 4 Ne Calumet, MI | STORM TOTAL SINCE AROUND 9AM THIS MORNING. SNOWFALL MEASURED IN UNDRIFTED AREA. SNOW STILL FALLING STEADILY...WITH MODERATE BLOWING AND DRIFTING AND LOW VISIBILITIES. |
| Feb 26, 3:45 PM EST | SNOW 5 | Freda, MI | TOTAL SO FAR TODAY. BLOWING SNOW SIGNIFICANT AT TIMES. |
| Feb 26, 8:00 PM EST | SNOW 8.7 | 4 Ne Calumet, MI | 12 HOUR SNOWFALL. 0.37 INCHES OF LIQUID EQUIVALENT. |
| Feb 26, 9:17 PM EST | SNOW 7 | 1 S Chassell, MI | 12 HOUR TOTAL. BREEZY WITH HEAVY SNOW BETWEEN 1030 AND 1400 EST. STILL SNOWING NOW. |
| Feb 27, 7:00 AM EST | SNOW 5.8 | 5 Ese Chassell, MI | 5.8 INCHES OF SNOW...WITH A LIQUID EQUIVALENT OF 0.48 INCHES...IN 24 HOURS. |
| Feb 27, 7:00 AM EST | SNOW 13.1 | 3 Nne Calumet, MI | 13.1 INCHES OF SNOW...WITH A LIQUID EQUIVALENT OF 0.76 INCHES...IN 24 HOURS. 4.6 INCHES OF SNOW IN THE LAST 12 HOURS. |
| Feb 27, 7:30 AM EST | SNOW 11 | 3 Ssw South Range, MI | 24 HOUR REPORT. 0.75 INCHES LIQUID EQUIVALENT. |
| Feb 27, 8:00 AM EST | SNOW 10 | 2 Sw Twin Lakes, MI | 24 HOUR REPORT. LIQUID EQUIVALENT OF 0.45 INCHES. |
| Feb 27, 8:00 AM EST | SNOW 11.7 | 4 Ne Calumet, MI | 24 HOUR REPORT. 3.0 INCHES FELL IN THE LAST 12 HOURS. |
| Feb 27, 8:00 AM EST | SNOW 12 | Hancock, MI | STORM TOTAL SNOW. |
| Feb 27, 9:00 AM EST | SNOW 13 | 2 E Redridge, MI | 24 HOUR REPORT. LIQUID EQUIVALENT OF 0.83 INCHES. |
| Feb 27, 10:00 AM EST | SNOW 10 | Calumet, MI | 24 HOUR REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.6 hours before the alert went out and 297 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
- 1461 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
456 WWUS43 KMQT 260933 WSWMQT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MARQUETTE MI 433 AM EST SUN FEB 26 2012 ...SNOW AND BLOWING SNOW TO AFFECT WESTERN UPPER MICHIGAN THROUGH MONDAY MORNING... .A LOW PRESSURE SYSTEM OVER CENTRAL MINNESOTA THIS MORNING WILL SLIDE ACROSS WESTERN UPPER MICHIGAN THIS EVENING. THIS SYSTEM WILL SPREAD SNOW ACROSS MUCH OF THE AREA BY LATE MORNING. GUSTY SOUTHEASTERLY WINDS ACROSS THE KEWEENAW PENINSULA THIS AFTERNOON WILL RESULT IN PATCHY BLOWING SNOW WHICH WILL ASSIST IN REDUCING VISIBILITIES AT TIMES. THE LOW PRESSURE SYSTEM WILL SHIFT TO EASTERN UPPER MICHIGAN BY DAYBREAK MONDAY...AND CONTINUE ITS EASTWARD TRACK DURING THE DAY. ON THE BACK SIDE OF THIS EXITING LOW...FAVORABLE NORTH TO NORTHWESTERLY WINDS...COLD AIR...AND LINGERING LOW LEVEL MOISTURE WILL ENHANCE SNOWFALL AMOUNTS ACROSS THE HIGHER TERRAIN OF WESTERN UPPER MICHIGAN NEAR LAKE SUPERIOR. SNOW WILL SLOWLY DIMINISH MONDAY AFTERNOON. MIZ001-003-261900- /O.UPG.KMQT.WW.Y.0005.120226T1500Z-120227T1500Z/ /O.NEW.KMQT.WS.W.0003.120226T1500Z-120227T1500Z/ KEWEENAW-NORTHERN HOUGHTON- INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK 433 AM EST SUN FEB 26 2012 ...WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM EST MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. HAZARDOUS WEATHER... * EXPECT SNOW TO DEVELOP BY LATE MORNING AND BECOME MODERATE TO HEAVY AT TIMES THIS AFTERNOON. THE SNOW WILL CONTINUE INTO MONDAY MORNING...BEFORE GRADUALLY DIMINISHING IN THE AFTERNOON. * STORM TOTAL SNOWFALL BY MONDAY MORNING IS EXPECTED TO RANGE FROM 7 TO 11 INCHES...WITH THE HEAVIEST SNOW FALLING THIS AFTERNOON. * IN ADDITION...GUSTY SOUTHEAST WINDS THIS AFTERNOON WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. IMPACTS... * THE SNOW AND BLOWING SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. * SNOW AND BLOWING SNOW MAY ALSO REDUCE VISIBILITIES TO BELOW HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW...ALONG WITH WIDESPREAD BLOWING SNOW...ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ MIZ002-009-261900- /O.NEW.KMQT.WW.Y.0006.120226T1500Z-120227T1500Z/ ONTONAGON-GOGEBIC- INCLUDING THE CITIES OF...ONTONAGON...IRONWOOD 433 AM EST SUN FEB 26 2012 /333 AM CST SUN FEB 26 2012/ ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM EST /9 AM CST/ THIS MORNING TO 10 AM EST /9 AM CST/ MONDAY... THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 AM EST /9 AM CST/ THIS MORNING TO 10 AM EST /9 AM CST/ MONDAY. HAZARDOUS WEATHER... * EXPECT SNOW TO DEVELOP BY LATE MORNING AND BECOME MODERATE TO HEAVY AT TIMES THIS AFTERNOON. THE SNOW WILL CONTINUE INTO MONDAY MORNING...BEFORE GRADUALLY DIMINISHING IN THE AFTERNOON. * STORM TOTAL SNOWFALL BY MONDAY MORNING IS EXPECTED TO RANGE FROM 4 TO 7 INCHES. AT THIS TIME THE HEAVIEST SNOW IS EXPECTED TO FALL LATE TONIGHT INTO MONDAY MORNING AS NORTH TO NORTHWESTERLY WINDS BRING LAKE EFFECT SNOW SHOWERS TO THE HIGHER TERRAIN NEAR LAKE SUPERIOR. IMPACTS... * THE SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ KF
5 follow-up statements
862 WWUS43 KMQT 261652 WSWMQT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MARQUETTE MI 1152 AM EST SUN FEB 26 2012 ...SNOW AND BLOWING SNOW TO AFFECT WESTERN UPPER MICHIGAN THROUGH MONDAY MORNING... .A LOW PRESSURE SYSTEM OVER CENTRAL MINNESOTA WILL SLIDE ACROSS WESTERN UPPER MICHIGAN THIS EVENING. SNOW AHEAD OF THIS LOW WILL AFFECT THE KEWEENAW PENINSULA THIS AFTERNOON...WHILE MUCH OF THE REST OF UPPER MICHIGAN WILL SEE SCATTERED SNOW SHOWERS. GUSTY SOUTHEASTERLY WINDS ACROSS THE KEWEENAW PENINSULA THIS AFTERNOON WILL RESULT IN PATCHY BLOWING SNOW...REDUCING VISIBILITIES BELOW A MILE AT TIMES. THE LOW PRESSURE SYSTEM WILL SHIFT TO NORTHEASTERN UPPER MICHIGAN BY DAYBREAK MONDAY...AND CONTINUE ITS EASTWARD TRACK DURING THE DAY. ON THE BACK SIDE OF THIS EXITING LOW...FAVORABLE NORTH TO NORTHWESTERLY WINDS...COLD AIR...AND LINGERING LOW LEVEL MOISTURE WILL ENHANCE SNOWFALL AMOUNTS ACROSS THE HIGHER TERRAIN OF WESTERN UPPER MICHIGAN NEAR LAKE SUPERIOR. SNOW WILL SLOWLY DIMINISH MONDAY AFTERNOON. MIZ002-009-270100- /O.CAN.KMQT.WW.Y.0006.000000T0000Z-120227T1500Z/ /O.NEW.KMQT.WW.Y.0007.120227T0000Z-120227T1500Z/ ONTONAGON-GOGEBIC- INCLUDING THE CITIES OF...ONTONAGON...IRONWOOD 1152 AM EST SUN FEB 26 2012 /1052 AM CST SUN FEB 26 2012/ ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM EST /6 PM CST/ THIS EVENING TO 10 AM EST /9 AM CST/ MONDAY... THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM EST /6 PM CST/ THIS EVENING TO 10 AM EST /9 AM CST/ MONDAY. HAZARDOUS WEATHER... * EXPECT SCATTERED SNOW SHOWERS AT TIMES THIS AFTERNOON AHEAD OF THE LOW PRESSURE SYSTEM. AS THE LOW NEARS UPPER MICHIGAN THIS EVENING...THE SNOW SHOWERS WILL BECOME WIDESPREAD...WITH SNOW FALLING MODERATE TO HEAVY AT TIMES OVERNIGHT. THE SNOW WILL CONTINUE INTO MONDAY MORNING...BEFORE GRADUALLY DIMINISHING IN THE AFTERNOON. * ONLY A DUSTING TO AN INCH OF ADDITIONAL SNOW IS EXPECTED THIS AFTERNOON. ADDITIONAL SNOWFALL FROM THIS EVENING THROUGH MONDAY MORNING IS EXPECTED TO RANGE FROM 3 TO 6 INCHES. AT THIS TIME...THE HEAVIEST SNOW IS EXPECTED TO FALL LATE TONIGHT INTO MONDAY MORNING AS NORTH TO NORTHWESTERLY WINDS BRING LAKE EFFECT SNOW SHOWERS TO THE HIGHER TERRAIN NEAR LAKE SUPERIOR. IMPACTS... * THE SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY...ESPECIALLY OVERNIGHT TONIGHT AND INTO MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ MIZ001-003-270100- /O.CON.KMQT.WS.W.0003.000000T0000Z-120227T1500Z/ KEWEENAW-NORTHERN HOUGHTON- INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK 1152 AM EST SUN FEB 26 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY... HAZARDOUS WEATHER... * EXPECT SNOW TO CONTINUE MODERATE TO HEAVY AT TIMES THIS AFTERNOON. THERE MAY BE A BRIEF BREAK IN THE SNOW LATE THIS AFTERNOON AND EARLY EVENING...BEFORE INCREASING AGAIN TOWARDS MIDNIGHT. THE SNOW WILL CONTINUE INTO MONDAY MORNING...BEFORE GRADUALLY DIMINISHING IN THE AFTERNOON. * STORM TOTAL SNOWFALL BY MONDAY MORNING IS EXPECTED TO RANGE FROM 7 TO 11 INCHES...WITH THE HEAVIEST SNOW FALLING THIS AFTERNOON AND AFTER MIDNIGHT TONIGHT. * IN ADDITION...GUSTY SOUTHEAST WINDS THIS AFTERNOON WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. GUSTY NORTHWEST WINDS ARE EXPECTED LATE TONIGHT AND MONDAY MORNING...CREATING ADDITIONAL BLOWING AND DRIFTING SNOW. IMPACTS... * THE SNOW AND BLOWING SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. * SNOW AND BLOWING SNOW MAY ALSO REDUCE VISIBILITIES TO BELOW A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW...ALONG WITH WIDESPREAD BLOWING SNOW...ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ SRF
047 WWUS43 KMQT 262057 WSWMQT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MARQUETTE MI 357 PM EST SUN FEB 26 2012 ...SNOW AND BLOWING SNOW TO AFFECT WESTERN UPPER MICHIGAN THROUGH MONDAY MORNING... .A LOW PRESSURE SYSTEM OVER CENTRAL MINNESOTA WILL SLIDE ACROSS WESTERN UPPER MICHIGAN THIS EVENING. SNOW AHEAD OF THIS LOW WILL CONTINUE TO AFFECT THE KEWEENAW PENINSULA THIS EVENING...WHILE MUCH OF THE REST OF WESTERN UPPER MICHIGAN WILL SEE SCATTERED SNOW SHOWERS. GUSTY SOUTHEASTERLY WINDS ACROSS THE KEWEENAW PENINSULA THROUGH THIS EVENING WILL RESULT IN PATCHY BLOWING SNOW...REDUCING VISIBILITIES BELOW A MILE AT TIMES. THE LOW PRESSURE SYSTEM WILL SHIFT TO NORTHEASTERN UPPER MICHIGAN BY DAYBREAK MONDAY...AND CONTINUE ITS EASTWARD TRACK DURING THE DAY. ON THE BACK SIDE OF THIS EXITING LOW...FAVORABLE NORTH TO NORTHWESTERLY WINDS...COLD AIR...AND LINGERING LOW LEVEL MOISTURE WILL ENHANCE SNOWFALL AMOUNTS ACROSS THE HIGHER TERRAIN OF WESTERN UPPER MICHIGAN NEAR LAKE SUPERIOR. SNOW WILL SLOWLY DIMINISH MONDAY AFTERNOON. MIZ001-003-270500- /O.CON.KMQT.WS.W.0003.000000T0000Z-120227T1500Z/ KEWEENAW-NORTHERN HOUGHTON- INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK 357 PM EST SUN FEB 26 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY... HAZARDOUS WEATHER... * EXPECT SNOW TO CONTINUE THROUGH MONDAY MORNING...WHILE FALLING MODERATE TO HEAVY AT TIMES. THE SNOW WILL GRADUALLY DIMINISH MONDAY AFTERNOON. * 3 TO 6 INCHES OF SNOW HAS ALREADY FALLEN ACROSS NORTHERN HOUGHTON AND KEWEENAW COUNTIES. AN ADDITIONAL 3 TO 7 INCHES IS EXPECTED BY THE TIME THE SNOW ENDS ON MONDAY AFTERNOON. * IN ADDITION...GUSTY SOUTHEAST WINDS THROUGH THIS EVENING WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. GUSTY NORTHWEST WINDS ARE EXPECTED LATE TONIGHT AND MONDAY MORNING...CREATING ADDITIONAL BLOWING AND DRIFTING SNOW. IMPACTS... * THE SNOW AND BLOWING SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. * SNOW AND BLOWING SNOW WILL ALSO REDUCE VISIBILITIES TO BELOW A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW...ALONG WITH WIDESPREAD BLOWING SNOW...ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ MIZ002-009-270500- /O.CON.KMQT.WW.Y.0007.120227T0000Z-120227T1500Z/ ONTONAGON-GOGEBIC- INCLUDING THE CITIES OF...ONTONAGON...IRONWOOD 357 PM EST SUN FEB 26 2012 /257 PM CST SUN FEB 26 2012/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM EST /6 PM CST/ THIS EVENING TO 10 AM EST /9 AM CST/ MONDAY... HAZARDOUS WEATHER... * EXPECT SCATTERED SNOW SHOWERS TO BECOME MORE WIDESPREAD TONIGHT...FALLING MODERATE TO HEAVY AT TIMES OVERNIGHT. THE SNOW WILL CONTINUE INTO MONDAY MORNING...BEFORE GRADUALLY DIMINISHING IN THE AFTERNOON. * ADDITIONAL SNOWFALL OF 3 TO 6 INCHES IS EXPECTED THIS EVENING THROUGH MONDAY MORNING...WITH THE HEAVIEST SNOW FALLING LATE TONIGHT INTO MONDAY MORNING AS NORTH TO NORTHWESTERLY WINDS BRING LAKE EFFECT SNOW SHOWERS TO THE HIGHER TERRAIN NEAR LAKE SUPERIOR. * THE GUSTY NORTH TO NORTHWESTERLY WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW NEAR LAKE SUPERIOR. IMPACTS... * THE SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY...ESPECIALLY OVERNIGHT TONIGHT AND INTO MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ SRF
483 WWUS43 KMQT 270313 WSWMQT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MARQUETTE MI 1013 PM EST SUN FEB 26 2012 ...SNOW AND BLOWING SNOW TO AFFECT WESTERN UPPER MICHIGAN THROUGH MONDAY MORNING... .A LOW PRESSURE SYSTEM OVER WESTERN UPPER MICHIGAN WILL SHIFT TO NORTHEASTERN UPPER MICHIGAN BY DAYBREAK MONDAY...AND CONTINUE ITS EASTWARD TRACK DURING THE DAY. ON THE BACK SIDE OF THIS EXITING LOW...FAVORABLE NORTH TO NORTHWESTERLY WINDS...COLD AIR...AND LINGERING LOW LEVEL MOISTURE WILL ENHANCE SNOWFALL AMOUNTS ACROSS THE HIGHER TERRAIN OF WESTERN UPPER MICHIGAN NEAR LAKE SUPERIOR. SNOW WILL SLOWLY DIMINISH MONDAY AFTERNOON. MIZ001-003-271115- /O.CON.KMQT.WS.W.0003.000000T0000Z-120227T1500Z/ KEWEENAW-NORTHERN HOUGHTON- INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK 1013 PM EST SUN FEB 26 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST MONDAY... HAZARDOUS WEATHER... * EXPECT SNOW TO CONTINUE THROUGH MONDAY MORNING...WHILE FALLING MODERATE TO HEAVY AT TIMES. THE SNOW WILL GRADUALLY DIMINISH MONDAY MORNING. * 5 TO 9 INCHES OF SNOW HAS ALREADY FALLEN ACROSS NORTHERN HOUGHTON AND KEWEENAW COUNTIES. AN ADDITIONAL 2 TO 5 INCHES IS EXPECTED BY THE TIME THE SNOW ENDS MIDDAY MONDAY. * GUSTY NORTHWEST WINDS ARE EXPECTED LATE TONIGHT AND MONDAY MORNING...CREATING ADDITIONAL BLOWING AND DRIFTING SNOW. IMPACTS... * THE SNOW AND BLOWING SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. * SNOW AND BLOWING SNOW WILL ALSO REDUCE VISIBILITIES TO BELOW A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW...ALONG WITH WIDESPREAD BLOWING SNOW...ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ MIZ002-009-271115- /O.CON.KMQT.WW.Y.0007.000000T0000Z-120227T1500Z/ ONTONAGON-GOGEBIC- INCLUDING THE CITIES OF...ONTONAGON...IRONWOOD 1013 PM EST SUN FEB 26 2012 /913 PM CST SUN FEB 26 2012/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST /9 AM CST/ MONDAY... HAZARDOUS WEATHER... * EXPECT SCATTERED SNOW SHOWERS TO BECOME MORE WIDESPREAD OVERNIGHT...FALLING MODERATE TO HEAVY AT TIMES. THE SNOW WILL CONTINUE INTO MONDAY MORNING...BEFORE GRADUALLY DIMINISHING IN THE AFTERNOON. * ADDITIONAL SNOWFALL OF 3 TO 6 INCHES IS EXPECTED THROUGH MONDAY MORNING...WITH THE HEAVIEST SNOW FALLING LATE TONIGHT INTO MONDAY MORNING AS NORTH TO NORTHWESTERLY WINDS BRING LAKE EFFECT SNOW SHOWERS TO THE HIGHER TERRAIN NEAR LAKE SUPERIOR. * THE GUSTY NORTH TO NORTHWESTERLY WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW NEAR LAKE SUPERIOR. IMPACTS... * THE SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY... ESPECIALLY OVERNIGHT TONIGHT AND INTO MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ JLB
176 WWUS43 KMQT 270951 WSWMQT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MARQUETTE MI 451 AM EST MON FEB 27 2012 ...SNOW AND BLOWING SNOW TO DIMINISH THIS MORNING OVER WESTERN UPPER MICHIGAN... ...WINTER STORM MAY BRING SIGNIFICANT SNOW TO SOUTHERN UPPER MICHIGAN TUESDAY NIGHT AND WEDNESDAY... .LOW PRESSURE WILL QUICKLY MOVE EAST ACROSS EASTERN LAKE SUPERIOR THIS MORNING. IN THE WAKE OF THE SYSTEM...SNOW...BRIEFLY HEAVY AT TIMES...OVER WESTERN UPPER MICHIGAN WILL DIMINISH DURING THE MID AND LATE MORNING HOURS. GUSTY NORTH TO NORTHWEST WINDS WILL ALSO PRODUCE CONSIDERABLE BLOWING SNOW EARLY THIS MORNING. A MAJOR WINTER STORM ORGANIZING OVER THE CENTRAL PLAINS TUESDAY NIGHT WILL MOVE TO WISCONSIN WEDNESDAY. ON THIS TRACK...HEAVY SNOW MAY SPREAD INTO AT LEAST SOUTHERN UPPER MICHIGAN TUESDAY NIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. MIZ001-003-271500- /O.CON.KMQT.WS.W.0003.000000T0000Z-120227T1500Z/ KEWEENAW-NORTHERN HOUGHTON- INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK 451 AM EST MON FEB 27 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... HAZARDOUS WEATHER... * SNOW MAY BE BRIEFLY HEAVY AT TIMES UNTIL MID MORNING...AND THEN THE SNOW WILL DIMINISH QUICKLY LATE THIS MORNING. ONLY LIGHT SNOW SHOWERS WILL LINGER THIS AFTERNOON. * PLAN ON AN ADDITIONAL 1 TO 3 INCHES OF SNOW THIS MORNING. * A PERIOD OF STRONG...GUSTY NORTH TO NORTHWEST WINDS OF 30 TO 40 MPH WILL OCCUR EARLY THIS MORNING...ESPECIALLY ALONG THE LAKESHORE AND OVER OPEN HIGHER TERRAIN. THE GUSTY WINDS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW FOR SEVERAL HOURS. IMPACTS... * THE SNOW AND BLOWING SNOW WILL CONTINUE TO MAKE ROADS SNOW COVERED AND SLIPPERY. * SNOW AND BLOWING SNOW MAY PRODUCE BRIEF WHITEOUTS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW...ALONG WITH WIDESPREAD BLOWING SNOW...ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ MIZ002-009-271500- /O.CON.KMQT.WW.Y.0007.000000T0000Z-120227T1500Z/ ONTONAGON-GOGEBIC- INCLUDING THE CITIES OF...ONTONAGON...IRONWOOD 451 AM EST MON FEB 27 2012 /351 AM CST MON FEB 27 2012/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST /9 AM CST/ THIS MORNING... HAZARDOUS WEATHER... * SNOW MAY BE BRIEFLY HEAVY AT TIMES UNTIL MID MORNING...AND THEN THE SNOW WILL DIMINISH QUICKLY LATE THIS MORNING. ONLY LIGHT SNOW SHOWERS WILL LINGER THIS AFTERNOON. * PLAN ON AN ADDITIONAL 1 TO 4 INCHES OF SNOW THIS MORNING WITH THE HEAVIEST SNOW FALLING OVER THE HIGHER TERRAIN FROM IRONWOOD AND WAKEFIELD TO THE PORCUPINE MOUNTAINS. THE LIGHTEST SNOW ACCUMULATIONS WILL OCCUR FROM WATERSMEET TO BRUCE CROSSING. * GUSTY NORTH TO NORTHWEST WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW...ESPECIALLY IN OPEN AREAS NEAR LAKE SUPERIOR. IMPACTS... * THE SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ MIZ010>012-271800- /O.NEW.KMQT.WS.A.0004.120229T0300Z-120301T0000Z/ IRON-DICKINSON-MENOMINEE- INCLUDING THE CITIES OF...IRON RIVER...IRON MOUNTAIN...MENOMINEE 351 AM CST MON FEB 27 2012 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MARQUETTE HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON. HAZARDOUS WEATHER... * EXPECT SNOW TO DEVELOP TUESDAY AFTERNOON AND BECOME MODERATE TO HEAVE AT TIMES TUESDAY NIGHT INTO WEDNESDAY. * STORM TOTAL SNOWFALL OVER 8 INCHES WILL BE POSSIBLE. * GUSTY WINDS OUT OF THE EAST WILL CREATE PATCHY BLOWING SNOW...MAINLY ALONG THE LAKE MICHIGAN SHORELINE. IMPACTS... * SNOW AND BLOWING SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. * REDUCED VISIBILITIES WILL ALSO BE POSSIBLE WITH THE SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ ROLFSON/KF
292 WWUS43 KMQT 271443 WSWMQT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MARQUETTE MI 943 AM EST MON FEB 27 2012 ...SNOW TO DIMINISH THIS MORNING OVER WESTERN UPPER MICHIGAN... ...WINTER STORM MAY BRING SIGNIFICANT SNOW TO SOUTHERN UPPER MICHIGAN TUESDAY NIGHT AND WEDNESDAY... .LOW PRESSURE JUST EAST OF THE SOO WILL QUICKLY MOVE EAST THIS MORNING. IN THE WAKE OF THE SYSTEM...SNOW WILL FALL...BRIEFLY HEAVY AT TIMES...OVER WESTERN UPPER MICHIGAN THIS MORNING. THE SNOW WILL QUICKLY DIMINISH EARLY THIS AFTERNOON. A MAJOR WINTER STORM ORGANIZING OVER THE CENTRAL PLAINS TUESDAY NIGHT WILL MOVE TO WISCONSIN WEDNESDAY. ON THIS TRACK...HEAVY SNOW MAY SPREAD INTO AT LEAST SOUTHERN UPPER MICHIGAN TUESDAY NIGHT AND CONTINUE THROUGH THE DAY WEDNESDAY. MIZ001-003-271545- /O.EXP.KMQT.WS.W.0003.000000T0000Z-120227T1500Z/ KEWEENAW-NORTHERN HOUGHTON- INCLUDING THE CITIES OF...COPPER HARBOR...HOUGHTON...HANCOCK 943 AM EST MON FEB 27 2012 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM EST THIS MORNING... HAZARDOUS WEATHER... * EXPECT SCATTERED TO ISOLATED SNOW SHOWERS TO DIMINISH THROUGH THE REST OF THE DAY. * ONLY A DUSTING TO AN INCH OF ADDITIONAL ACCUMULATION IS EXPECTED. IMPACTS... * ROADS MAY STILL BE SNOW COVERED AND SLIPPERY FROM THE SNOW OVER THE LAST DAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * SEND REPORTS TO NWS MARQUETTE OR VISIT WWW.WEATHER.GOV/MQT FOR MORE INFORMATION. && $$ MIZ002-009-271800- /O.EXT.KMQT.WW.Y.0007.000000T0000Z-120227T1800Z/ ONTONAGON-GOGEBIC- INCLUDING THE CITIES OF...ONTONAGON...IRONWOOD 943 AM EST MON FEB 27 2012 /843 AM CST MON FEB 27 2012/ ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 PM EST /NOON CST/ THIS AFTERNOON... HAZARDOUS WEATHER... * SNOW MAY BE BRIEFLY HEAVY AT TIMES THROUGH LATE MORNING...AND THEN QUICKLY DIMINISH EARLY THIS AFTERNOON. ONLY LIGHT SNOW SHOWERS WILL LINGER THROUGH LATE THIS AFTERNOON. * PLAN ON AN ADDITIONAL 1 TO 3 INCHES OF SNOW THIS MORNING WITH THE HEAVIEST SNOW FALLING OVER THE HIGHER TERRAIN FROM IRONWOOD AND WAKEFIELD TO THE PORCUPINE MOUNTAINS. THE LIGHTEST SNOW ACCUMULATIONS WILL OCCUR FROM WATERSMEET TO BRUCE CROSSING. IMPACTS... * THE SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ MIZ010>012-272245- /O.CON.KMQT.WS.A.0004.120229T0300Z-120301T0000Z/ IRON-DICKINSON-MENOMINEE- INCLUDING THE CITIES OF...IRON RIVER...IRON MOUNTAIN...MENOMINEE 843 AM CST MON FEB 27 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY AFTERNOON... HAZARDOUS WEATHER... * EXPECT SNOW TO DEVELOP TUESDAY AFTERNOON AND BECOME MODERATE TO HEAVE AT TIMES TUESDAY NIGHT INTO WEDNESDAY. * STORM TOTAL SNOWFALL OVER 8 INCHES WILL BE POSSIBLE. * GUSTY WINDS OUT OF THE EAST WILL CREATE PATCHY BLOWING SNOW... MAINLY ALONG THE LAKE MICHIGAN SHORELINE. IMPACTS... * SNOW AND BLOWING SNOW WILL MAKE ROADS SNOW COVERED AND SLIPPERY. * REDUCED VISIBILITIES WILL ALSO BE POSSIBLE WITH THE SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. * PREPARE...PLAN...AND STAY INFORMED. VISIT WWW.WEATHER.GOV/MQT && $$ SRF
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 Marquette, MI wrote its last area forecast discussion before this winter storm warning went out at Feb 26, 12:21 AM EST, 4 hours 12 minutes earlier.
Area forecast discussion, Feb 26, 12:21 AM EST, 4 hours 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MARQUETTE MI
1221 AM EST SUN FEB 26 2012
.SHORT TERM...(THIS EVENING THROUGH SUNDAY)
ISSUED AT 406 PM EST SAT FEB 25 2012
PERSISTENT LAKE EFFECT CLOUDS HAVE REMAINED OVER MUCH OF UPPER
MICHIGAN TODAY...AIDED BY LINGERING LOW LEVEL MOISTURE AND RUC
ANALYSIS OF H850 TEMPS OF -13 TO -14C. MAINLY -SHSN OR FLURRIES
ACROSS THE AREA...ALTHOUGH THERE IS ONE STRONGER BAND ON VIS SAT
THAT IS QUICKLY DIMINISHING NEAR KCMX. LOOKING AT A BROADER
SCALE...HIGH PRESSURE STATIONED OVER MN HAS STARTED TO DRIFT INTO
WRN LK SUPERIOR AND HAS LED TO THE LES BANDS BECOMING MORE
DISORGANIZED. FARTHER UPSTREAM...UPPER TROUGH OVER THE PAC NW WILL
BE THE NEXT ITEM OF CONCERN FOR THE AREA...QUICKLY MOVING TOWARDS
THE AREA ON SUN. HIGH CLOUDS AHEAD OF THIS TROUGH HAVE ALREADY
COVERED MUCH OF NORTH DAKOTA AND ARE STARTING TO MOVE INTO WRN MN.
EXPECT A FAIRLY QUIET PERIOD TONIGHT AS HIGH PRESSURE RIDGE SLIDES
ACROSS THE CWA. DID MAKE SOME TWEAKS TO THE POPS NEAR LK SUPERIOR
SINCE THEY HAVE BEEN PERSISTENT THROUGH THE DAY. BUMPED POPS UP TO
CHANCE OVER NE LUCE COUNTY...WHERE HIGHER RES MODELS ARE SHOWING
LLVL/LAND CONVERGENCE AS THE HIGH PRESSURE RIDGE MOVES THROUGH. THIS
CONVERGENCE...ALONG WITH LINGERING MOISTURE AND H850 TEMPS AROUND
-14C SHOULD BE ENOUGH TO PRODUCE A FEW SHSN THROUGH THE EVENING
HOURS. THINK MUCH OF THE INTERIOR CLOUDS THIS AFTN ARE DIURNALLY
DRIVEN...SO WITH HIGH PRESSURE MOVING IN AND LACK OF HEATING THINK
THEY SHOULD CLEAR OUT. IS SOME CONCERN ON THIS OCCURRING...AS LATEST
HIRES MODEL RUNS TRY TO HOLD ONTO THE CLOUDS INTO THE EVENING. THIS
IN TURN CREATES ISSUES WITH LOWS TONIGHT...AS THEY ARE HIGHLY
DEPENDENT ON THE AMNT OF CLEARING BEFORE THE MID/HIGH CLOUDS ROLL
IN DURING THE OVERNIGHT HRS. WITH THESE CONCERNS...DID BUMP LOWS UP
SLIGHTLY AND THEY SHOULD BE COLDEST THIS EVENING INTO EARLY
OVERNIGHT BEFORE THE INCREASING MID/HIGH CLOUDS AND DEVELOPING SRLY
SFC FLOW WILL ALLOW FOR RISING TEMPERATURES LATE TONIGHT. PWATS ARE
ONLY ABOUT A 0.15...WHICH WITH THE LIGHT WINDS THIS EVENING WOULD
ALLOW TEMPS TO QUICKLY FALL IF/WHEN SKIES BRIEFLY CLEAR.
SUNDAY...LOW WILL BE OVER THE ERN DAKOTAS AT THE START OF THE PERIOD
AND SHIFT NEAR THE KDLH AREA...ALTHOUGH THERE ARE MINOR DIFFERENCES
IN THE EXACT TRACK/INTENSITY. 12Z GFS HAS TRENDED FARTHER
SE...WHICH DIVERGES FROM PREVIOUS RUNS AND ENS MEMBERS...THUS WILL
NOT FACTOR IT INTO THE FORECAST AT THIS TIME. AS THE LOW
APPROACHES...STRONG H800-700 FGEN PUSHING THROUGH THE AREA LATE SUN
MORN INTO SUN AFTN. TWO AREAS OF H850-700 WAA...ONE OVER THE NW
THIRD OF THE CWA AND THE OTHER QUICKLY PUSHING ALONG THE LK MI
SHORELINE DURING THE LATE MORNING AND EARLY AFTN. THE STRONGER WAA
IS ALONG THE LK MI SHORELINE...BUT THE NW AREA WILL BE CO-LOCATED
WITH THE NOSE OF THE 290-295K ISENTROPIC ASCENT THAT PIVOTS THROUGH
THE AREA. IN ADDITION...AREA WILL BUT UNDER LEFT FRONT OF QUICK
MOVING UPPER JET SUN AFTN AS POTENT SHORTWAVE ENERGY AND H500 HEIGHT
FALLS PUSH INTO THE CWA.
TWO AREAS OF PCPN ARE TIED TO THESE FORCING AREAS...WHICH COULD
ALSO BE HELPED BY LK ENHANCEMENT NEAR LK MI AS DELTA-T VALUES
ARE AROUND 11-13. BUT WITH THE STRONG H850 WAA IN THE LATE MORN AND
INTO THE AFTN...THE ENHANCEMENT PERIOD WILL BE SHORTLIVED. 09-15Z
SREF PROBS HAVE BEST CHANCES FOR 0.25IN OF QPF OVER THE WRN LK
DURING THE DAY SUN. THAT SEEMS TO MATCH UP WELL WITH THE
12Z RUNS OF THE NAM AND HIRES NCEP WRFS. THEY ALSO SHOW ABOUT
0.15-0.22IN ACROSS MUCH OF THE REST OF THE AREA...ALTHOUGH THERE
COULD BE A SWATH OF SLIGHTLY LOWER VALUES OVER GOGEBIC/ONT/SRN
HOUGHTON/BARAGA...THAT WILL LIKELY BE BETWEEN THE TWO MAIN FORCING
FEATURES. HAVE BUMPED SNOW RATIOS UP FROM THE PREVIOUS FCST. MUCH OF
THE BEST FORCING/OMEGA APPEARS TO BE WITHIN THE DGZ...WHICH WILL
ASSIST IN KEEPING SLR VALUES ON THE HIGHER SIDE FOR SYNOPTIC SYSTEM.
NAM BUFKIT SHOWING VALUES STARTING IN THE 16-18/1 RANGE AND THEN
DIMINISHING TOWARDS 00Z AS THE MAIN FORCING PUSHES NE. COBB
TECHNIQUE FOR SNOW RATIOS SHOWS VALUES APPROACHING 20/1 OVER THE
KEWEENAW AT THE START OF THE SNOW AND THEN DIMINISHING TOWARDS 10/1
AS THE BEST FORCING PUSHES NE. THIS ENDS UP GIVING 3-5IN OF
ACCUMULATION OVER THE KEWEENAW DURING THE DAY ON SUN. WITH ANOTHER
2-4IN EXPECTED SUN NIGHT...HAD ENOUGH CONFIDENCE TO ISSUE AN ADVY
FOR KEWEENAW AND NRN HOUGHTON COUNTIES. BUT WITH THE QUICK HITTING
ASPECT OF THE SNOW...WHICH COULD PRODUCE A 3-4HR PERIOD OF
1-1.5 IN/HR SNOWFALL OCCURS FROM 17-21Z...WOULDN'T BE SURPRISED IF
CONDITIONS ARE BAD ENOUGH WITH THE GUSTY SE WINDS TO WARRANT A
SHORT LIVED WARNING.
SOME UNCERTAINTY FOR THE REST OF THE CWA ON THE EXACT SNOWFALL
AMNTS. 12Z NAM SHOWING NEAR ADVY SNOW OVER THE NCNTRL AND ERN
PORTIONS OF THE CWA DUE TO THE ENHANCED FORCING IN THAT AREA. WHEN
COMBINED WITH THE GUSTY SE WINDS...WAS NEARLY READY TO PUT AN ADVY
OUT FOR THE REST OF THE AREA FOR 2-4IN OF SNOW AND GUSTY WINDS. BUT
WITH STILL A LITTLE TIME TO FINE TUNE THE DETAILS...WILL ISSUE AN
SPS FOR NOW. FINALLY...MODELS SHOWING MID LEVEL DRIER AIR MOVING
INTO THE SCNTRL IN THE AFTN AND HAVE QUICKLY DIMINISHED THE POPS
THERE IN THE LATE AFTN.
.LONG TERM...(SUNDAY NIGHT THROUGH SATURDAY)
ISSUED AT 406 PM EST SAT FEB 25 2012
SUN NGT...12Z NAM SHOWS SFC LO MOVING ACRS THE KEWEENAW/SRN LK SUP
AND INTO ONTARIO NOT FAR N OF THE SAULT BY 12Z MON...WELL IN LINE
WITH PREVIOUS FCSTS AND MOST RECENT GFS ENSEMBLE GUIDANCE. THE 12Z
GFS HAS TRENDED A BIT FARTHER TO THE S...WITH SFC LO FCST TO TRACK
FM NRN WI TO NEAR THE STRAITS OF MACKINAC BY 12Z MON. THE 12Z CNDN
MODEL FCST LO TRACK IS SIMILAR TO THE NAM FCST...BUT A BIT FARTHER
S. THE 09Z SREF FCST SHOWED A TRACK JUST TO THE N OF THE NAM. SINCE
THE GFS TRACK IS FARTHER S THAN THE PREVIOUS SOUTHERN MOST 00Z
ENSEMBLE MEMBER AND CONTRARY TO EXPECTATIONS WITH RISING HGTS OVER
THE SE CONUS NEAR PERSISTENT MEAN UPR RDG...WL FOLLOW THE MORE
CONSISTENT NAM TRACK BLENDED WITH THE CNDN MODEL. SINCE UPR MI WL BE
ON THE SRN FLANK OF SHRTWV/H85 LO TRACK SHOWN BY THE NAM...DRY
SLOTTING WL IMPACT MOST OF UPR MI EXCEPT THE KEWEENAW. MORE
PERSISTENT STEADY SN OVER THE KEWEENAW IN THIS SCENARIO JUSTIFIES
EXTENDING NEW ADVY THRU THE NGT IN THAT AREA. TO THE S OF THE
KEWEENAW...LINGERNING STEADY SN WL DIMINISH W-E...BUT SHSN WILL
PERSIST THRU MUCH OF THE NGT ESPECIALLY OVER THE W AND AWAY FM
DOWNSLOPING INTO THE SCNTRL WITH CYC NW FLOW IN THE WAKE OF THE LO
AND FCST BACKWASH MSTR THAT WL ARRIVE LATER ON THE NRN FLANK OF UPR
JET AXIS. MARGINAL H85 TEMPS DOWN TO -11C OR SO AND THE ARRIVAL OF
DNVA/DEEP LYR QVECTOR CNVGC FOLLOWING THE PASSAGE OF THE UPR SHRTWV
WL LIMIT THE INTENSITY OF THE LES.
MON...SHSN IN THE MRNG NEAR LK SUP MAINLY OVER THE W WILL DIMINISH
IN THE AFTN WITH RISING HGTS/UPR CNVGC/DNVA/DEEP LYR QVECTOR DVGC
AND LLVL DRYING IN ADVANCE OF APRCHG H5 SHRTWV/SFC HI PRES RDG. BUT
INCOMING AIRMASS WITH H85 TEMPS AS LO AS -13C/INVRN BASE REMAINING
AT 4-5K FT IS SUFFICIENT TO MAINTAIN AT LEAST CHC POPS THRU THE AFTN
OVER THE E WHERE CYC NW FLOW WL PERSIST THE LONGEST.
MON NGT...ALTHOUGH SOME SHSN MAY PERSIST IN THE PRESENCE OF H85
TEMPS FCST AS LO AS -13C ALONG LK INDUCED LO PRES TROF STRETCHING
THRU THE KEWEENAW...PASSAGE OF HI PRES RDG/VEERING H925 FLOW TO THE
S WL END THE BULK OF THE LINGERING LES. WITH LGT WINDS UNDER THE DRY
RDG AXIS IN THE EVNG...EXPECT TEMPS OVER THE INTERIOR TO FALL
QUICKLY. BUT INCRSG HI CLDS/PWAT AND THEN INCRSG WIND LATE UNDER
SHARPENING PRES GRADIENT BTWN THE DEPARTING HI AND DVLPG LO PRES IN
THE PLAINS WL PREVENT TEMPS FM REALLY NOSEDIVING. TENDED TOWARD THE
LO END OF GUIDANCE ACRS THE INTERIOR SCNTRL WHERE SKIES WL BE MOCLR
THE LONGEST.
TUE...AS NEGATIVELY TILTED SHRTWV/DVLPG SFC LO IN THE PLAINS LIFTS
ENEWD TOWARD THE UPR GRT LKS...EXPECT THICKENING CLDS UNDER THE
LARGE SCALE ISENTROPIC ASCENT AND UNDER UPR DVGC IN THE RRQ OF UPR
JET MAX OVER SE CAN. SPREAD CHC POPS SW-NE INTO THE CWA...BUT HELD
OFF ON HIER POPS FOR NOW GIVEN SOME UNCERTAINTY IN THE TRACK/TIMING
OF THE LO.
IN THE EXTENDED PERIOD...A MORE ACTIVE...PROGRESSIVE FLOW WILL
DOMINATE THE WEATHER PATTERN IN THE GREAT LKS. THE LO PRES
RESPONSIBLE FOR SN CHANCES ON TUE IS FCST TO REACH NEAR SE MN BY 12Z
WED. ALTHOUGH THERE REMAIN SOME TIMING DIFFERENCES...THE MODELS HAVE
TRENDED ON A MORE SRN TRACK OF THIS LO THRU THE CENTRAL GREAT LKS ON
WED...A TRACK THAT WOULD PLACE THE CWA IN A FAVORABLE POSITION UNDER
THE COLD CONVEYOR BELT/ON THE N SIDE OF H85-7 LO TRACK FOR HEAVY SN
AND LIMIT THE POTENTIAL FOR MIXED PCPN. IN FACT...THE 06Z/12Z GFS
FCST UP TO 18 INCHES OF SN OVER PORTIONS OF UPR MI NEAR LK SUP...
WHERE LK ENHANCEMENT COULD COME INTO PLAY IN THE SHARP CYC UPSLOPE
FLOW ARND THE LO. HOWEVER...THE 12Z ECMWF HAS THROWN A MONKEY WRENCH
INTO THE EQUATION BY TRACKING THE DISTURBANCE EVEN FARTHER S THRU
THE LOWER GRT LKS...WITH MUCH OF THE CWA ON THE NRN FRINGES OF THE
PCPN SHIELD. SO THE DETAILS HAVE YET TO BE DETERMINED ON THE
EVOLUTION OF THIS SYS. CONSIDERED AN SPS FOR THE EVENT...BUT OPTED
TO JUST CONTINUE TO HIGHLIGHT THE POTENTIAL FOR HEAVY SN IN THE HWO
FOR NOW CONSIDERING THE UNCERTAINTY IN THE TRACK. SHRTWV RDG
TRAILING THIS DISTURBANCE WL BRING A PERIOD OF TRANQUIL WX ON
THU...BUT ANOTHER PAIR OF SHRTWVS MOVING THRU THE PROGRESSIVE FLOW
MAY CAUSE ANOTHER SGNFT PCPN EVENT NEXT FRI AND SAT.
&&
.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z SUNDAY NIGHT)
ISSUED AT 1220 AM EST SUN FEB 26 2012
ATTENTION THEN TURNS TO LOW CURRENTLY OVER THE NORTHERN PLAINS THAT
WILL APPROACH THE AREA DURING THE DAY. THIS WILL BRING INCREASING
MID/HIGH CLOUDS TO THE AREA TONIGHT...WITH SNOW DEVELOPING FROM WEST
TO EAST DURING THE MORNING HOURS. THE HEAVIEST SNOW WILL OCCUR
AROUND 16-18Z AND CONTINUE THROUGH MUCH OF THE AFTERNOON AT THE TAF
SITES. BOTH KIWD AND KSAW ARE EXPECTED TO LOWER TO ALT LANDING MINS
BY THIS TIME. KCMX COULD SEE A PERIOD BTWN 17-21Z WHEN CONDITIONS
LOWER TO AIRFIELD LANDING MINS IN HEAVY LES AS THE BEST LIFT FROM
THE INCOMING SYSTEM COMBINED WITH ADDED MOISTURE FROM LAKE SUPERIOR
IN STRONG ERLY FLOW.
IMPROVEMENT EXPECTED IN THE EVENING EXPECTED AS THE SYSTEM EXITS
EASTWARD.
&&
.MARINE...(FOR THE 4 PM LAKE SUPERIOR FORECAST ISSUANCE)
ISSUED AT 406 PM EST SAT FEB 25 2012
EXPECT WINDS TO BE LESS THAN 20KTS TONIGHT AS A HIGH PRESSURE RIDGE
MOVES ACROSS THE UPPER GREAT LKS. A LOW PRESSURE SYSTEM EXITING THE
DAKOTAS AND NEARING LK SUPERIOR ON SUNDAY WILL LEAD TO INCREASING
EAST TO SOUTHEAST WINDS...WHICH COULD PRODUCE GALE FORCE GUSTS TO 35
KTS OVER THE ERN HALF OF THE LK DURING THE AFTN. AS THE LOW PUSHES
ACROSS LK SUPERIOR ON SUNDAY NIGHT...EXPECT WINDS TO SHIFT TO THE N AND
PRODUCT 35KT GALES INTO MON MORNING OVER PORTIONS OF THE WRN HALF OF
THE LK. WINDS WILL DIMINISH MON AFTN AND NIGHT AS HIGH PRESSURE MOVES
BACK OVER THE AREA. THIS WILL BE SHORT LIVED...AS ANOTHER LOW
PRESSURE SYSTEM MOVES FROM THE CENTRAL PLAINS ON TUESDAY...ACROSS THE
CENTRAL GREAT LAKES ON WED AND INTO THE NEW ENGLAND STATES ON
THURSDAY. THIS COULD PRODUCE STRONGER EASTERLY WINDS ON TUESDAY NIGHT
AND WEDNESDAY...UP TO 30KTS. IF THE LO STAYS FARTHER TO THE S...WINDS
MAY NOT BE AS STRONG.
&&
.MQT WATCHES/WARNINGS/ADVISORIES...
UPPER MICHIGAN...
WINTER WEATHER ADVISORY FROM 10 AM THIS MORNING TO 10 AM EST
MONDAY FOR MIZ001-003.
LAKE SUPERIOR...
GALE WATCH FROM THIS AFTERNOON THROUGH THIS EVENING FOR LSZ266-
267.
GALE WATCH FROM THIS AFTERNOON THROUGH MONDAY MORNING FOR LSZ264.
GALE WATCH FROM THIS EVENING THROUGH MONDAY MORNING FOR LSZ263.
LAKE MICHIGAN...
GALE WATCH FROM 11 AM EST THIS MORNING THROUGH THIS EVENING FOR
LMZ248-250.
&&
SHORT TERM...SRF
LONG TERM...KC
AVIATION...KF
MARINE...SRFHazardous weather outlook, Feb 25, 4:06 PM EST, 12 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MARQUETTE MI 406 PM EST SAT FEB 25 2012 MIZ001>007-009>014-084-085-261200- KEWEENAW-ONTONAGON-NORTHERN HOUGHTON-BARAGA-MARQUETTE-ALGER-LUCE- GOGEBIC-IRON-DICKINSON-MENOMINEE-DELTA-SOUTHERN SCHOOLCRAFT- SOUTHERN HOUGHTON-NORTHERN SCHOOLCRAFT- 406 PM EST SAT FEB 25 2012 /306 PM CST SAT FEB 25 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN UPPER MICHIGAN AND CENTRAL UPPER MICHIGAN. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A LOW PRESSURE SYSTEM TRACKING THROUGH THE UPPER GREAT LAKES WILL DROP 3 TO 9 INCHES OF SNOW ACROSS MUCH OF THE NORTH HALF OF UPPER MICHIGAN SUNDAY AFTERNOON INTO MONDAY MORNING. SEE THE LATEST WINTER WEATHER MESSAGE FOR FURTHER DETAILS. ANOTHER LOW PRESSURE SYSTEM MAY BRING MODERATE TO HEAVY SNOWFALL TUESDAY NIGHT INTO WEDNESDAY. IF THIS LOW TRACKS FARTHER SOUTH...THE HEAVIEST SNOW MAY MISS UPPER MICHIGAN. STAY TUNED TO LATER FORECASTS FOR MORE DETAILS ON THIS EVOLVING SYSTEM. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS IS NOT ANTICIPATED AT THIS TIME. LSZ162-240>251-263>267-261200- LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5NM-SAXON HARBOR WI TO BLACK RIVER MI- BLACK RIVER TO ONTONAGON MI- ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI- UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI- EAGLE RIVER TO MANITOU ISLAND MI- MANITOU ISLAND TO POINT ISABELLE MI- POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI- LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING KEWEENAW AND HURON BAYS-HURON ISLANDS TO MARQUETTE MI- MARQUETTE TO MUNISING MI-MUNISING TO GRAND MARAIS MI- GRAND MARAIS TO WHITEFISH POINT MI- LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE ROYALE NATIONAL PARK- LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE- LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER BEYOND 5NM FROM SHORE- LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- 406 PM EST SAT FEB 25 2012 /306 PM CST SAT FEB 25 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN LAKE SUPERIOR...CENTRAL LAKE SUPERIOR AND WESTERN LAKE SUPERIOR. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY EXPECT EAST TO SOUTHEAST GALES OVER PORTIONS OF LAKE SUPERIOR ON SUNDAY AFTERNOON TO SHIFT TO THE NORTH ON SUNDAY NIGHT. SEE THE LATEST LAKE SUPERIOR FORECAST AND MARINE WEATHER MESSAGE FOR COMPLETE DETAILS. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS IS NOT ANTICIPATED AT THIS TIME. LMZ221-248-250-261200- GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND PASSAGE-SEUL CHOIX POINT TO POINT DETOUR MI- 5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE- 406 PM EST SAT FEB 25 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN LAKE MICHIGAN. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SOUTHEAST GALE FORCE GUSTS TO 35 KNOTS ARE POSSIBLE SUNDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS IS NOT ANTICIPATED AT THIS TIME. KC
The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 4:02 AM EST | Gale Warning | MQT | 30 hr | |
| Feb 26, 4:02 AM EST | Small Craft Advisory | MQT | 39 hr | |
| Feb 26, 4:33 AM EST | Winter Weather Advisory | MQT | Gogebic, Ontonagon | 7 hr |
| Feb 26, 11:52 AM EST | Winter Weather Advisory | MQT | Gogebic, Ontonagon | 25 hr |
Nearby
Winter Storm Warnings in Michigan, 2012Every winter storm 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.