Alert archive / Michigan / Winter Storm Warnings in 2011
Winter Storm Warning 3, NWS Detroit, MI
NWS Detroit, MI issued this winter storm warning at Feb 20, 2011, 4:10 AM EST for 17 counties in Michigan. It took effect at Feb 20, 2011, 4:00 PM EST. It was in force for 14 hr. 60 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 20, 2011, 4:10 AM EST (09:10 UTC)
- In effect from
- Feb 20, 2011, 4:00 PM EST
- Expired
- Feb 21, 2011, 6:03 AM EST
- In force
- 14 hr
- Issued by
- NWS Detroit, MI
Counties Bay County, MI, Genesee County, MI, Huron County, MI, Lapeer County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Midland County, MI, Monroe County, MI, Oakland County, MI, Saginaw County, MI, Saint Clair County, MI, Sanilac County, MI, Shiawassee County, MI, Tuscola County, MI, Washtenaw County, MI, Wayne County, MI
The radar
The Detroit radar (KDTX), 26 km from the middle of the area, began a volume at 09:07 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 20, 4:03 PM EST | SNOW 1.5 | Flint, MI | 1 HOUR TOTAL. |
| Feb 20, 4:03 PM EST | SNOW 2.1 | Wyandotte, MI | 2 HOUR TOTAL. |
| Feb 20, 4:29 PM EST | SNOW 1 | 5 Sw Saginaw, MI | 1 HOUR TOTAL. |
| Feb 20, 4:29 PM EST | SNOW 1.7 | Garden City, MI | 2 HOUR TOTAL. |
| Feb 20, 4:29 PM EST | SNOW 2 | Corunna, MI | 2 HOUR TOTAL. |
| Feb 20, 4:29 PM EST | SNOW 2.5 | 1 S White Lake, MI | 2 HOUR TOTAL |
| Feb 20, 5:00 PM EST | SNOW 1.3 | 5 E Almont, MI | 2 HOUR TOTAL. |
| Feb 20, 5:00 PM EST | SNOW 3 | Belleville, MI | 3 HOUR TOTAL. |
| Feb 20, 5:00 PM EST | SNOW 4.2 | Ann Arbor, MI | 3 HOUR TOTAL. |
| Feb 20, 5:10 PM EST | SNOW 2.4 | Linden, MI | 2 1/2 HOUR TOTAL |
| Feb 20, 5:17 PM EST | SNOW 2 | 2 W Lapeer, MI | 1 HOUR TOTAL |
| Feb 20, 5:17 PM EST | SNOW 2.1 | Farmington, MI | DURATION 3 HOURS |
| Feb 20, 5:17 PM EST | SNOW 2.5 | Shelby Township, MI | 3 HOUR TOTAL. MIXING A LITTLE WITH SLEET. |
| Feb 20, 5:17 PM EST | SNOW 3 | Waterford, MI | 3 HOUR TOTAL |
| Feb 20, 5:29 PM EST | SNOW 3.1 | Carleton, MI | 3 HOUR DURATION |
| Feb 20, 5:30 PM EST | SNOW 2.8 | Monroe, MI | MIXING WITH FREEZING RAIN |
| Feb 20, 5:51 PM EST | SNOW 3.8 | Livonia, MI | DURATION 4 HOURS. |
| Feb 20, 5:51 PM EST | SNOW 4.7 | 5 Sse Ann Arbor, MI | 4 HOUR DURATION. NOW MIXING WITH SLEET. |
| Feb 20, 6:06 PM EST | SNOW 4.5 | Ann Arbor, MI | DURATION 4 HOURS. MIXING WITH SLEET. |
| Feb 20, 6:27 PM EST | SNOW 2.5 | Capac, MI | 3 1/2 HOUR TOTAL. |
| Feb 20, 6:27 PM EST | SNOW 4.8 | Brighton, MI | 4 HOUR TOTAL |
| Feb 20, 6:30 PM EST | SNOW 3 | Elba, MI | 3 HOUR TOTAL. |
| Feb 20, 6:30 PM EST | SNOW 3.9 | Rochester Hills, MI | 4 HOUR TOTAL. |
| Feb 20, 6:30 PM EST | SNOW 4.5 | Dearborn, MI | 4 HOUR TOTAL. |
| Feb 20, 6:30 PM EST | SNOW 4.7 | Clarkston, MI | 4 HOUR TOTAL. |
| Feb 20, 6:30 PM EST | SNOW 5 | Ann Arbor, MI | 4 1/2 HOUR TOTAL. |
| Feb 20, 6:50 PM EST | SNOW 4 | Henderson, MI | 4 HOUR TOTAL. |
| Feb 20, 6:57 PM EST | SNOW 5.2 | Livonia, MI | 5 HOUR TOTAL. |
| Feb 20, 7:00 PM EST | SNOW 4 | Corunna, MI | 4 1/2 HOUR TOTAL. |
| Feb 20, 7:00 PM EST | SNOW 4.4 | Flint, MI | 4 HOUR TOTAL. |
| Feb 20, 7:00 PM EST | SNOW 5 | Belleville, MI | 5 HOUR TOTAL. |
| Feb 20, 7:00 PM EST | SNOW 5 | Romulus, MI | 5 HOUR TOTAL AT DTW AIRPORT. |
| Feb 20, 7:04 PM EST | HEAVY SNOW 5.5 | 3 N Perry, MI | STORM TOTAL SNOW THROUGH 7 PM. |
| Feb 20, 7:30 PM EST | SNOW 6.4 | Ann Arbor, MI | 6 HOUR TOTAL. |
| Feb 20, 7:46 PM EST | SNOW 5.5 | Garden City, MI | 6 HOUR TOTAL. |
| Feb 20, 7:49 PM EST | SNOW 5.9 | 5 W South Lyon, MI | 6 HOUR TOTAL. |
| Feb 20, 7:49 PM EST | SNOW 6.4 | Farmington Hills, MI | 5 1/2 HOUR TOTAL. |
| Feb 20, 7:49 PM EST | SNOW 6.6 | Wyandotte, MI | 6 HOUR TOTAL |
| Feb 20, 8:00 PM EST | HEAVY SNOW 5 | 3 S Pontiac, MI | 6 HOUR TOTAL. |
| Feb 20, 8:00 PM EST | HEAVY SNOW 5 | Ypsilanti, MI | 6 HOUR TOTAL. |
| Feb 20, 8:00 PM EST | HEAVY SNOW 5.2 | Allen Park, MI | 6 HOUR TOTAL. |
| Feb 20, 8:00 PM EST | HEAVY SNOW 6.3 | 2 N Livonia, MI | 6 HOUR TOTAL. |
| Feb 20, 8:00 PM EST | HEAVY SNOW 6.5 | Clinton Township, MI | 6 HOUR TOTAL. |
| Feb 20, 8:15 PM EST | HEAVY SNOW 6.4 | Commerce, MI | 6 HOUR TOTAL. |
| Feb 20, 8:17 PM EST | HEAVY SNOW 6.5 | 1 Ssw Orchard Lake, MI | 6 HOUR TOTAL. |
| Feb 20, 8:20 PM EST | SNOW 2.5 | Port Huron, MI | 4 1/2 HOUR TOTAL. |
| Feb 20, 8:20 PM EST | HEAVY SNOW 3.5 | Shelby Township, MI | 5 1/2 HOUR TOTAL. |
| Feb 20, 8:20 PM EST | SNOW 4 | 5 S Merrill, MI | 5 HOUR TOTAL. |
| Feb 20, 8:23 PM EST | HEAVY SNOW 6 | Brownstown Township, MI | 6 HOUR TOTAL. |
| Feb 20, 8:30 PM EST | HEAVY SNOW 6.1 | Brighton, MI | 6 HOUR TOTAL. |
| Feb 20, 8:40 PM EST | SNOW 3 | 5 E Almont, MI | 6 HOUR TOTAL. |
| Feb 20, 8:42 PM EST | HEAVY SNOW 7 | Salem, MI | 6 1/2 HOUR TOTAL. |
| Feb 20, 9:00 PM EST | HEAVY SNOW 5 | Deerfield Township, MI | 7 HOUR TOTAL. |
| Feb 20, 9:00 PM EST | HEAVY SNOW 6 | Clarkston, MI | 7 HOUR TOTAL. |
| Feb 20, 9:15 PM EST | HEAVY SNOW 5.7 | Linden, MI | 7 HOUR TOTAL. |
| Feb 20, 9:15 PM EST | HEAVY SNOW 7 | 2 Ne Ann Arbor, MI | 7 1/2 HOUR TOTAL. |
| Feb 20, 9:26 PM EST | HEAVY SNOW 6.7 | 1 Sw White Lake, MI | 7 HOUR TOTAL. |
| Feb 20, 9:30 PM EST | HEAVY SNOW 5 | Burton, MI | 6 HOUR TOTAL. |
| Feb 20, 9:40 PM EST | SNOW 4 | 4 N Saginaw, MI | 6 HOUR TOTAL. |
| Feb 20, 9:40 PM EST | HEAVY SNOW 7 | 1 Wsw Ferndale, MI | 7 HOUR TOTAL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 9.2 hours before the alert went out and 25 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
- 1736 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
806 WWUS43 KDTX 200910 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 410 AM EST SUN FEB 20 2011 ...WINTER STORM WILL AFFECT SOUTHEAST MICHIGAN LATE TODAY AND TONIGHT... .LOW PRESSURE WILL TRACK OUT OF THE CENTRAL PLAINS THIS MORNING AND MOVE ACROSS THE OHIO VALLEY TONIGHT. AN INFLUX OF WARM MOIST AIR WILL LIFT INTO SOUTHERN MICHIGAN AHEAD OF THIS STORM SYSTEM. MEANWHILE...ARCTIC HIGH PRESSURE TO THE NORTH OF THE STATE WILL FUNNEL COLD AIR NEAR THE SURFACE INTO THE AREA. THIS WILL SET THE STAGE FOR A MIX OF WINTER WEATHER ACROSS SOUTHEAST MICHIGAN. THE PREDOMINATE PRECIPITATION TYPE IS EXPECTED TO RANGE FROM FREEZING RAIN AND SLEET AROUND METRO DETROIT TO ALL SNOW ACROSS THE TRI CITIES AND THUMB. THE MOST INTENSE PRECIPITATION WITH THIS STORM WILL OCCUR FROM AROUND 8 PM TO 2 AM...DURING WHICH TIME HEAVY SNOW AND/OR SIGNIFICANT ICING CAN BE EXPECTED. MIZ075-076-082-083-201700- /O.UPG.KDTX.WS.A.0002.110220T1700Z-110221T1200Z/ /O.NEW.KDTX.WS.W.0003.110220T2100Z-110221T1200Z/ WASHTENAW-WAYNE-LENAWEE-MONROE- INCLUDING THE CITIES OF...ANN ARBOR...DETROIT...ADRIAN...MONROE 410 AM EST SUN FEB 20 2011 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER STORM WARNING FOR SNOW...SLEET AND FREEZING RAIN...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * SNOW WILL DEVELOP THIS AFTERNOON...THEN CHANGE OVER TO SLEET AND FREEZING RAIN DURING THE EVENING. THE PRECIPITATION SHOULD DIMINISH EARLY MONDAY MORNING. * 1 TO 3 INCHES OF SNOW IS EXPECTED BEFORE THE CHANGE OVER TO FREEZING RAIN OCCURS. * UP TO A QUARTER INCH OF ICE IS POSSIBLE BY MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ060>063-068>070-201700- /O.UPG.KDTX.WS.A.0002.110220T1700Z-110221T1200Z/ /O.NEW.KDTX.WS.W.0003.110220T2100Z-110221T1200Z/ SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB- INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON... HOWELL...PONTIAC...WARREN 410 AM EST SUN FEB 20 2011 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER STORM WARNING FOR SNOW...SLEET AND FREEZING RAIN...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. THIS WILL MAKE TRAVEL DANGEROUS. * FREEZING RAIN MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND LEAD TO EXTENDED POWER OUTAGES. THIS IS MOST LIKELY TO OCCUR ALONG AND SOUTH OF THE M 59 CORRIDOR FROM HOWELL TO MOUNT CLEMENS. HAZARDOUS WEATHER... * SNOW WILL DEVELOP THIS AFTERNOON. A MIX OF SNOW...SLEET AND FREEZING RAIN IS THEN EXPECTED TO DEVELOP DURING THE EVENING AND PERSIST OVERNIGHT. THE PRECIPITATION WILL BE HEAVY AT TIMES. FREEZING RAIN WILL BE MORE LIKELY ALONG AND SOUTH OF THE M 59 CORRIDOR /ROUGHLY SOUTH A HOWELL TO MOUNT CLEMENS LINE/. * SNOW AND SLEET ACCUMULATIONS ARE EXPECTED TO RANGE FROM 3 TO 8 INCHES...WITH THE HIGHER AMOUNTS ALONG THE INTERSTATE 69 CORRIDOR. * ICE ACCUMULATIONS UP TO A QUARTER INCH ARE POSSIBLE SOUTH OF THE M 59 CORRIDOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ047>049-053>055-201700- /O.UPG.KDTX.WS.A.0002.110220T1700Z-110221T1200Z/ /O.NEW.KDTX.WS.W.0003.110220T2100Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY 410 AM EST SUN FEB 20 2011 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. * TRAVEL WILL BECOME DANGEROUS. * GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW. HAZARDOUS WEATHER... * SNOW WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH THE NIGHT. SNOW MAY BE HEAVY AT TIMES. THE SNOW WILL TAPER OFF TO FLURRIES EARLY MONDAY MORNING. * TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 9 INCHES ARE EXPECTED. * NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT. 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ DG
8 follow-up statements
892 WWUS43 KDTX 201640 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1140 AM EST SUN FEB 20 2011 ...WINTER STORM WILL AFFECT SOUTHEAST MICHIGAN LATE TODAY AND TONIGHT... .LOW PRESSURE WILL TRACK OUT OF THE CENTRAL PLAINS TODAY AND MOVE ACROSS THE OHIO VALLEY TONIGHT. AN INFLUX OF WARM MOIST AIR WILL LIFT INTO SOUTHERN MICHIGAN AHEAD OF THIS STORM SYSTEM. MEANWHILE... ARCTIC HIGH PRESSURE TO THE NORTH OF THE STATE WILL FUNNEL COLD AIR NEAR THE SURFACE INTO THE AREA. THIS WILL SET THE STAGE FOR A MIX OF WINTER WEATHER ACROSS SOUTHEAST MICHIGAN. THE PREDOMINATE PRECIPITATION TYPE IS EXPECTED TO RANGE FROM FREEZING RAIN AND SLEET AROUND METRO DETROIT TO ALL SNOW ACROSS THE TRI CITIES AND THUMB. THE MOST INTENSE PRECIPITATION WITH THIS STORM WILL OCCUR FROM AROUND 8 PM TO 2 AM...DURING WHICH TIME HEAVY SNOW AND/OR SIGNIFICANT ICING CAN BE EXPECTED. MIZ075-076-082-083-202300- /O.CON.KDTX.WS.W.0003.110220T2100Z-110221T1200Z/ WASHTENAW-WAYNE-LENAWEE-MONROE- INCLUDING THE CITIES OF...ANN ARBOR...DETROIT...ADRIAN...MONROE 1140 AM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * SNOW WILL DEVELOP EARLY THIS AFTERNOON...THEN CHANGE OVER TO SLEET AND FREEZING RAIN DURING THE EVENING. THE PRECIPITATION SHOULD DIMINISH EARLY MONDAY MORNING. * 1 TO 3 INCHES OF SNOW IS EXPECTED BEFORE THE CHANGE OVER TO FREEZING RAIN OCCURS. * UP TO A QUARTER INCH OF ICE IS POSSIBLE BY MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ060>063-068>070-202300- /O.CON.KDTX.WS.W.0003.110220T2100Z-110221T1200Z/ SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB- INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON... HOWELL...PONTIAC...WARREN 1140 AM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. THIS WILL MAKE TRAVEL DANGEROUS. * MINOR GLAZING IN COMBINATION WITH INCREASING WINDS MAY LEAD TO SPORADIC POWER OUTAGES. HAZARDOUS WEATHER... * SNOW WILL DEVELOP BY MID-AFTERNOON. THE SNOW MAY MIX WITH OR BRIEFLY CHANGE OVER TO SLEET AND FREEZING RAIN TONIGHT. THE PRECIPITATION WILL BE HEAVY AT TIMES. SLEET AND FREEZING RAIN WILL MOST LIKELY BE ALONG AND SOUTH OF THE M 59 CORRIDOR /ROUGHLY SOUTH A HOWELL TO MOUNT CLEMENS LINE/. * SNOW AND SLEET ACCUMULATIONS ARE EXPECTED TO RANGE FROM 3 TO 8 INCHES...WITH THE HIGHER AMOUNTS ALONG THE INTERSTATE 69 CORRIDOR. * ICE ACCUMULATIONS UP TO A TENTH INCH ARE POSSIBLE SOUTH OF THE M 59 CORRIDOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ047>049-053>055-202300- /O.CON.KDTX.WS.W.0003.110220T2100Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY 1140 AM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM EST MONDAY. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. * TRAVEL WILL BECOME DANGEROUS. * GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW. HAZARDOUS WEATHER... * SNOW WILL DEVELOP BY LATE AFTERNOON AND CONTINUE THROUGH THE NIGHT. SNOW MAY BE HEAVY AT TIMES. THE SNOW WILL TAPER OFF TO FLURRIES EARLY MONDAY MORNING. * TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 9 INCHES ARE EXPECTED. * NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
486 WWUS43 KDTX 202116 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 416 PM EST SUN FEB 20 2011 ...WINTER STORM WILL AFFECT SOUTHEAST MICHIGAN LATE TODAY AND TONIGHT... .LOW PRESSURE WILL TRACKING ACROSS THE OHIO VALLEY TONIGHT WILL SPREAD PRECIPITATION ACROSS LOWER MICHIGAN TONIGHT. AN ELEVATED LAYER OF WARM AIR WILL ALSO LIFT INTO SOUTHERN LOWER MICHIGAN...OVERRUNNING COLDER AIR ALREADY IN PLACE AT THE SURFACE. THIS WILL LEAD TO MIXED PRECIPITATION...PARTICULARLY FROM THE DETROIT METRO AREA SOUTHWARD. THE PREDOMINATE PRECIPITATION TYPE IS EXPECTED TO RANGE FROM FREEZING RAIN AND SLEET NEAR THE OHIO BORDER TO A MIXTURE OF SLEET...SNOW...AND FREEZING RAIN NEAR THE CITY OF DETROIT TO ALL SNOW NORTH OF FLINT. THE MOST INTENSE PRECIPITATION WITH THIS STORM WILL OCCUR FROM AROUND 8 PM TO 3 AM...DURING WHICH TIME HEAVY SNOW OR SIGNIFICANT ICING CAN BE EXPECTED. PRECIPITATION WILL TAPER OFF MONDAY MORNING AS THE STORM SYSTEM MOVES EAST AND HIGH PRESSURE SINKS INTO THE NORTHERN GREAT LAKES. MIZ075-076-210530- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ WASHTENAW-WAYNE- INCLUDING THE CITIES OF...ANN ARBOR...DETROIT 416 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF ICE AND WET SNOW MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * MODERATE ACCUMULATIONS OF SNOW WILL COVER ROADWAYS. * SLICK ROADS AND SIDEWALKS FROM MIXED PRECIPITATION WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * SNOW WILL MIX WITH FREEZING RAIN AND SLEET THIS EVENING. THIS MIXTURE FOR SNOW...SLEET...AND FREEZING RAIN WILL THEN CONTINUE OVERNIGHT BEFORE PRECIPITATION TAPERS OFF IN THE MORNING. * AN ADDITIONAL 1 TO 4 INCHES OF SNOW IS EXPECTED OVERNIGHT...FOR A STORM TOTAL ACCUMULATION OF 3 TO 6 INCHES. THE HEAVIEST SNOW AMOUNTS WILL BE ACROSS THE NORTHERN PORTIONS OF WASHTENAW AND WAYNE COUNTIES. * UP TO A QUARTER INCH OF ICE IS POSSIBLE BY MONDAY MORNING. THE HEAVIEST ICE ACCUMULATIONS WILL BE ACROSS SOUTHERN PORTIONS OF WAYNE AND WASHTENAW COUNTIES. * THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY INTENSE PRECIPITATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ060>063-068>070-210530- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB- INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON... HOWELL...PONTIAC...WARREN 416 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. THIS WILL MAKE TRAVEL DANGEROUS. * MINOR GLAZING OF ICE IN COMBINATION WITH INCREASING WINDS MAY LEAD TO SPORADIC POWER OUTAGES. HAZARDOUS WEATHER... * SNOW WILL BECOME MORE WIDESPREAD AND INTENSE THIS EVENING AND LAST THROUGH THE OVERNIGHT HOURS. * SNOW MAY MIX WITH OR BRIEFLY CHANGE OVER TO SLEET OR FREEZING RAIN TONIGHT ALONG AND SOUTH OF I-69...WITH THE BEST POTENTIAL FOR A WINTRY MIX SOUTH OF THE M 59 CORRIDOR. * STORM TOTAL SNOW AND SLEET ACCUMULATIONS ARE EXPECTED TO RANGE FROM 5 TO 8 INCHES. * ICE ACCUMULATIONS UP TO A TENTH INCH ARE POSSIBLE SOUTH OF THE M 59 CORRIDOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ047>049-053>055-210530- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY 416 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. * TRAVEL MAY BECOME DANGEROUS. * GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW. HAZARDOUS WEATHER... * SNOW WILL DEVELOP BY THIS EVENING AND CONTINUE THROUGH THE OVERNIGHT HOURS...BECOMING HEAVY AT TIMES. SNOW WILL TAPER OFF TO FLURRIES EARLY MONDAY MORNING. * TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. * NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT. 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MIZ082-083-210530- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 416 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * SNOW WILL CHANGE OVER TO A MIX OF PREDOMINANTLY FREEZING RAIN AND SLEET BY EARLY EVENING ACROSS LENAWEE AND MONROE COUNTIES. THIS ICY MIXTURE WILL THEN CONTINUE OVERNIGHT BEFORE PRECIPITATION STARTS TO MIX WITH SNOW AND TAPER OFF IN THE MORNING. * THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY INTENSE PRECIPITATION. * UP TO A QUARTER INCH OF ICE IS POSSIBLE BY MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ HLO
392 WWUS43 KDTX 202330 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 630 PM EST SUN FEB 20 2011 ...WINTER STORM WILL IMPACT SOUTHEAST MICHIGAN TONIGHT... .LOW PRESSURE WILL TRACKING ACROSS THE OHIO VALLEY WILL SPREAD PRECIPITATION ACROSS LOWER MICHIGAN TONIGHT. AN ELEVATED LAYER OF WARM AIR WILL ALSO LIFT INTO SOUTHERN LOWER MICHIGAN... OVERRUNNING COLDER AIR ALREADY IN PLACE AT THE SURFACE. THIS WILL LEAD TO MIXED PRECIPITATION...PARTICULARLY FROM THE DETROIT METRO AREA SOUTHWARD. THE PREDOMINATE PRECIPITATION TYPE IS EXPECTED TO RANGE FROM FREEZING RAIN AND SLEET NEAR THE OHIO BORDER TO A MIXTURE OF SLEET...SNOW...AND FREEZING RAIN NEAR THE CITY OF DETROIT TO ALL SNOW NORTH OF FLINT. THE MOST INTENSE PRECIPITATION WITH THIS STORM WILL OCCUR FROM AROUND 6 PM TO 2 AM...DURING WHICH TIME HEAVY SNOW OR SIGNIFICANT ICING CAN BE EXPECTED. PRECIPITATION WILL TAPER OFF MONDAY MORNING AS THE STORM SYSTEM MOVES EAST AND HIGH PRESSURE SINKS INTO THE NORTHERN GREAT LAKES. MIZ075-076-210730- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ WASHTENAW-WAYNE- INCLUDING THE CITIES OF...ANN ARBOR...DETROIT 630 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * MODERATE ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF ICE AND WET SNOW MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * SLICK ROADS AND SIDEWALKS FROM MIXED PRECIPITATION WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS... WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * SPOTTER REPORTS AND SURFACE OBSERVATIONS SHOW THAT SNOW HAS BEGUN TO MIX WITH SLEET ALONG THE I-94 CORRIDOR. FURTHER WEST ALONG I-94...AREAS OF FREEZING RAIN HAVE BEEN REPORTED IN JACKSON. A MIXTURE OF SNOW...SLEET...AND FREEZING RAIN IS EXPECTED TO LAST THROUGH THIS EVENING AND OVERNIGHT. HEAVIER BURSTS OF PRECIPITATION MAY REDUCE VISIBILITIES TO ONE-QUARTER OF A MILE OR LESS. * STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES IS EXPECTED. * UP TO A QUARTER INCH OF ICE IS POSSIBLE BY MONDAY MORNING. THE HEAVIEST ICE ACCUMULATIONS WILL BE ACROSS SOUTHERN PORTIONS OF WAYNE AND WASHTENAW COUNTIES. * THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY INTENSE PRECIPITATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ060>063-068>070-210730- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB- INCLUDING THE CITIES OF...OWOSSO...FLINT...LAPEER...PORT HURON... HOWELL...PONTIAC...WARREN 630 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * MODERATE TO HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * HEAVIER BURSTS OF SNOW WILL REDUCE VISIBILITIES TO ONE-QUARTER OF A MILE OR LESS. * MINOR ACCUMULATIONS OF ICE IN COMBINATION WITH INCREASING WINDS MAY LEAD TO SPORADIC POWER OUTAGES. HAZARDOUS WEATHER... * HEAVIER SNOWFALL HAS BEGUN TO MOVE INTO THE REGION...LEADING TO QUICKLY ACCUMULATING SNOWFALL AND REDUCING VISIBILITIES TO AS LOW AS ONE-QUARTER OF A MILE. SNOWFALL WILL CONTINUE THIS EVENING AND OVERNIGHT...HEAVY AT TIMES...AND POSSIBLY MIX WITH SLEET AND FREEZING RAIN SOUTH OF I-69. * STORM TOTAL SNOW AND SLEET ACCUMULATIONS ARE EXPECTED TO RANGE FROM 5 TO 8 INCHES. * ICE ACCUMULATIONS UP TO A TENTH INCH ARE POSSIBLE SOUTH OF THE M 59 CORRIDOR. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ047>049-053>055-210730- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY 630 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. * TRAVEL MAY BECOME DANGEROUS. * GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW. HAZARDOUS WEATHER... * SNOW OVER THE TRI-CITIES REGION WILL SPREAD FURTHER EAST INTO THE NORTHERN PORTION OF THE THUMB BY 700 PM. SNOW WILL BECOME HEAVY AT TIMES OVERNIGHT...BRINGING QUICK ACCUMULATIONS AND OCCASIONALLY REDUCING VISIBILITIES TO ONE-HALF TO ONE-QUARTER OF A MILE. * TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. * NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT. 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MIZ082-083-210730- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 630 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * SNOW HAS BEGUN TO CHANGE OVER TO A MIX OF SNOW...SLEET...AND FREEZING RAIN ACROSS LENAWEE AND MONROE COUNTIES. THIS ICY MIXTURE WILL CONTINUE CHANGE TO MORE OF A SLEET AND FREEZING RAIN MIXTURE THROUGH THE EVENING...AND CONTINUE OVERNIGHT BEFORE MIXING AGAIN WITH SNOW AND TAPERING OFF. PRECIPITATION WILL BE HEAVY AT TIMES. * THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY INTENSE PRECIPITATION. * STORM TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 5 INCHES ARE EXPECTED. * UP TO A QUARTER INCH OF ICE IS POSSIBLE BY MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ HLO
791 WWUS43 KDTX 210129 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 829 PM EST SUN FEB 20 2011 ...WINTER STORM WILL IMPACT SOUTHEAST MICHIGAN TONIGHT... .LOW PRESSURE TRACKING ACROSS THE OHIO VALLEY WILL CONTINUE TO SPREAD PRECIPITATION INTO LOWER MICHIGAN TONIGHT. AN ELEVATED LAYER OF WARM AIR WILL ALSO LIFT INTO SOUTHERN LOWER MICHIGAN...OVERRUNNING COLDER AIR ALREADY IN PLACE AT THE SURFACE. THIS WILL LEAD TO MIXED PRECIPITATION...PARTICULARLY FROM THE DETROIT METRO AREA SOUTHWARD. THE PREDOMINATE PRECIPITATION TYPE IS EXPECTED TO RANGE FROM A COMBINATION OF FREEZING RAIN...SLEET...AND SNOW NEAR THE OHIO BORDER TO A MIXTURE OF SNOW AND SLEET NEAR THE CITY OF DETROIT...TO ALL SNOW NORTH OF PONTIAC. THE HEAVIEST ICE IS EXPECTED NEAR THE OHIO BORDER WHERE UP TO ONE-QUARTER OF AN INCH OF ICING IS POSSIBLE. THE HEAVIEST SNOW IS EXPECTED TO FALL IN A SWATH BETWEEN THE I-94 AND M-59 CORRIDORS...WHERE 6 TO 10 INCHES OF SNOW ACCUMULATION IS NOW EXPECTED BY MONDAY MORNING. PRECIPITATION WILL TAPER OFF MONDAY MORNING AS THE STORM SYSTEM MOVES EAST AND HIGH PRESSURE SINKS INTO THE NORTHERN GREAT LAKES. MIZ075-076-210930- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ WASHTENAW-WAYNE- INCLUDING THE CITIES OF...ANN ARBOR...DETROIT 829 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * LIGHT ICING ON EXPOSED SURFACES IS POSSIBLE. THE WEIGHT OF ICE AND WET SNOW MAY BE HEAVY ENOUGH TO CAUSE DAMAGE TO TREES AND POWER LINES. * SPORADIC POWER OUTAGES WILL BE POSSIBLE. * SLICK ROADS AND SIDEWALKS FROM MIXED PRECIPITATION WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS... POSSIBLY HAVING BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES STEADY HEAVY PRECIPITATION HAS MOVED EAST OF THE AREA...HOWEVER FREQUENT SHOWERS WILL CONTINUE TO OCCUR ACROSS LOWER MICHIGAN THROUGH THE NIGHT. SOME OF THESE SHOWERS WILL BE QUIET INTENSE...AND BRING A MIX OF SNOW...SLEET...AND FREEZING RAIN. * STORM TOTAL SNOW ACCUMULATIONS OF 6 TO 10 INCHES IS EXPECTED. * UP TO A TENTH AN INCH OF ICE IS POSSIBLE...ESPECIALLY ALONG AND SOUTH OF I-94. * THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY INTENSE PRECIPITATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ068>070-210930- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LIVINGSTON-OAKLAND-MACOMB- INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN 829 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * MODERATE TO HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS... MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * HEAVIER BURSTS OF SNOW WILL REDUCE VISIBILITIES TO ONE MILE OR LESS. * MINOR ACCUMULATIONS OF ICE AND HEAVY SNOW MAY CAUSE DAMAGE TO TREES AND POWER LINES. HAZARDOUS WEATHER... * NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES STEADY HEAVY PRECIPITATION HAS MOVED EAST OF THE AREA...HOWEVER FREQUENT SHOWERS WILL CONTINUE TO STREAM EAST ACROSS LOWER MICHIGAN THROUGH THE NIGHT. THESE SHOWERS HAVE THE POTENTIAL TO BRING HEAVY BURSTS OF SNOW...WHICH MAY MIX WITH SLEET SOUTH OF M-59. * STORM TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO RANGE FROM 6 TO 10 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ047>049-053>055-060>063-210930- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE- LAPEER-ST. CLAIR- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER...PORT HURON 829 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ROADS WILL BECOME SNOW COVERED AND SLIPPERY. * TRAVEL MAY BECOME DANGEROUS. * GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW. HAZARDOUS WEATHER... * NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES STEADY HEAVY PRECIPITATION HAS MOVED EAST OF THE AREA...HOWEVER FREQUENT SHOWERS WILL CONTINUE TO STREAM EAST ACROSS LOWER MICHIGAN THROUGH THE NIGHT. THESE SHOWERS HAVE THE POTENTIAL TO BRING HEAVY BURSTS OF SNOW AND QUICK ACCUMULATIONS. * TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS ALONG AND SOUTH OF I-69. * NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT. 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MIZ082-083-210930- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 829 PM EST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES. * MODERATE TO HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES STEADY HEAVY PRECIPITATION HAS MOVED EAST OF THE AREA...HOWEVER FREQUENT SHOWERS WILL CONTINUE TO STREAM EAST ACROSS LOWER MICHIGAN THROUGH THE NIGHT. SOME OF THESE SHOWERS WILL BE QUIET INTENSE...AND BRING A MIX OF SNOW...FREEZING RAIN...AND SLEET. * THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY INTENSE PRECIPITATION. * STORM TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND 8 INCHES ARE EXPECTED. * UP TO A QUARTER INCH OF ICE IS POSSIBLE BY MONDAY MORNING...WITH THE HEAVIEST ICING EXPECTED SOUTH OF M-50. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ HLO
798
WWUS43 KDTX 210443
WSWDTX
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1143 PM EST SUN FEB 20 2011
...WINTER STORM WILL CONTINUE TO IMPACT SOUTHEAST MICHIGAN
OVERNIGHT...
.LOW PRESSURE TRACKING ACROSS THE OHIO VALLEY WILL CONTINUE TO
SPREAD PRECIPITATION INTO LOWER MICHIGAN TONIGHT. AN ELEVATED
LAYER OF WARM AIR WILL ALSO LIFT INTO SOUTHERN LOWER MICHIGAN...
OVERRUNNING COLDER AIR ALREADY IN PLACE AT THE SURFACE. THIS WILL
LEAD TO MIXED PRECIPITATION FROM THE DETROIT METRO AREA
SOUTHWARD. THE PREDOMINATE PRECIPITATION TYPE IS EXPECTED TO RANGE
FROM A COMBINATION OF FREEZING RAIN...SLEET...AND SNOW NEAR THE
OHIO BORDER TO A MIXTURE OF SNOW AND SLEET NEAR THE CITY OF
DETROIT...TO ALL SNOW NORTH OF PONTIAC. THE HEAVIEST ICE IS
EXPECTED NEAR THE OHIO BORDER WHERE UP TO ONE-QUARTER OF AN INCH
OF ICING IS POSSIBLE. THE HEAVIEST SNOW WILL OCCUR IN A SWATH
BETWEEN THE I-94 AND M-59 CORRIDORS...WHERE 6 TO 10 INCHES OF SNOW
ACCUMULATION WILL OCCUR BY MONDAY MORNING. PRECIPITATION WILL
TAPER OFF MONDAY MORNING AS THE STORM SYSTEM MOVES EAST AND HIGH
PRESSURE SINKS INTO THE NORTHERN GREAT LAKES.
MIZ075-076-211200-
/O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/
WASHTENAW-WAYNE-
INCLUDING THE CITIES OF...ANN ARBOR...DETROIT
1143 PM EST SUN FEB 20 2011
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...
A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY.
IMPACTS...
* HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...MAKING THEM
SLICK AND POTENTIALLY DANGEROUS.
* LIGHT ICING ON EXPOSED SURFACES IS POSSIBLE. THE WEIGHT OF
ICE AND WET SNOW MAY BE HEAVY ENOUGH TO CAUSE DAMAGE TO TREES
AND POWER LINES.
* SPORADIC POWER OUTAGES WILL BE POSSIBLE.
* SLICK ROADS AND SIDEWALKS FROM MIXED PRECIPITATION WILL MAKE
TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...
POSSIBLY HAVING BIG IMPACTS ON THE MONDAY MORNING COMMUTE.
HAZARDOUS WEATHER...
* BANDS OF PRECIPITATION WILL CONTINUE TO MOVE ACROSS THE AREA
THROUGH THE EARLY MORNING HOURS. THIS PRECIPITATION MAY BE
HEAVY AT TIMES AND WILL FALL AS A MIX OF SNOW...SLEET AND
FREEZING RAIN.
* STORM TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 6 TO 9 INCHES.
* UP TO A TENTH OF AN INCH OF ICE IS POSSIBLE...ESPECIALLY ALONG
AND SOUTH OF I-94.
* THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN
LOCALLY INTENSE PRECIPITATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
* A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
IMPOSSIBLE.
&&
$$
MIZ068>070-211200-
/O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/
LIVINGSTON-OAKLAND-MACOMB-
INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN
1143 PM EST SUN FEB 20 2011
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...
A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY.
IMPACTS...
* MODERATE TO HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...
MAKING THEM SLICK AND POTENTIALLY DANGEROUS.
* HEAVIER BURSTS OF SNOW WILL REDUCE VISIBILITIES TO ONE MILE
OR LESS.
HAZARDOUS WEATHER...
* BANDS OF SNOW WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE
EARLY MORNING HOURS. SNOWFALL MAY BE HEAVY AT TIMES...REDUCING
VISIBILITY TO A MILE OR LESS AND BRINGING AN ADDITIONAL 1 TO
LOCALLY 3 INCHES OF ADDITIONAL ACCUMULATION OVERNIGHT.
* STORM TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO RANGE FROM 6 TO 10
INCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
* A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE
ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
IMPOSSIBLE.
&&
$$
MIZ047>049-053>055-060>063-211200-
/O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-
LAPEER-ST. CLAIR-
INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE...
SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER...PORT HURON
1143 PM EST SUN FEB 20 2011
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...
A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY.
IMPACTS...
* ROADS WILL BECOME SNOW COVERED AND SLIPPERY.
* TRAVEL MAY BECOME DANGEROUS.
* GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING
SNOW.
HAZARDOUS WEATHER...
* BANDS OF SNOW WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE
EARLY MORNING HOURS. SNOWFALL MAY BE HEAVY AT TIMES...REDUCING
VISIBILITY TO A MILE OR LESS AND BRINGING AN ADDITIONAL 1 TO
LOCALLY 3 INCHES OF ADDITIONAL ACCUMULATION OVERNIGHT.
* STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE
EXPECTED...WITH THE HEAVIEST AMOUNTS ALONG AND SOUTH OF I-69.
* NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT.
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 TRAVEL...KEEP AN
EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE
OF AN EMERGENCY.
&&
$$
MIZ082-083-211200-
/O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/
LENAWEE-MONROE-
INCLUDING THE CITIES OF...ADRIAN...MONROE
1143 PM EST SUN FEB 20 2011
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY...
A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST MONDAY.
IMPACTS...
* ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE
MAY BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN
POWER LINES.
* MODERATE TO HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...
MAKING THEM SLICK AND POTENTIALLY DANGEROUS.
* EXTENDED POWER OUTAGES WILL BE POSSIBLE.
* ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND
ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON
THE MONDAY MORNING COMMUTE.
HAZARDOUS WEATHER...
* BANDS OF PRECIPITATION WILL CONTINUE TO MOVE ACROSS THE AREA
THROUGH THE EARLY MORNING HOURS. THIS PRECIPITATION MAY BE
HEAVY AT TIMES AND WILL FALL AS A MIX OF SNOW...SLEET AND
FREEZING RAIN.
* STORM TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 4 TO 8 INCHES.
* UP TO A QUARTER OF AN INCH OF ICE IS POSSIBLE BY MONDAY
MORNING...WITH THE HIGHEST ICE ACCCUMLATIONS ACROSS PORTIONS OF
LENAWEE COUNTY.
* THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY
INTENSE PRECIPITATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
* A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
IMPOSSIBLE.
&&
$$
MR102 WWUS43 KDTX 210644 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 144 AM EST MON FEB 21 2011 ...WINTER STORM WILL CONTINUE TO IMPACT SOUTHEAST MICHIGAN OVERNIGHT... .LOW PRESSURE TRACKING ACROSS THE OHIO VALLEY WILL CONTINUE TO SPREAD PRECIPITATION INTO LOWER MICHIGAN OVERNIGHT. AN ELEVATED LAYER OF WARM AIR WILL ALSO LIFT INTO SOUTHERN LOWER MICHIGAN... OVERRUNNING COLDER AIR ALREADY IN PLACE AT THE SURFACE. THIS WILL LEAD TO MIXED PRECIPITATION FROM THE DETROIT METRO AREA SOUTHWARD. THE PREDOMINATE PRECIPITATION TYPE IS EXPECTED TO RANGE FROM A COMBINATION OF FREEZING RAIN...SLEET...AND SNOW NEAR THE OHIO BORDER TO A MIXTURE OF SNOW AND SLEET NEAR THE CITY OF DETROIT...TO ALL SNOW NORTH OF PONTIAC. THE HEAVIEST ICE IS EXPECTED NEAR THE OHIO BORDER WHERE UP TO ONE-QUARTER OF AN INCH OF ICING IS POSSIBLE. THE HEAVIEST SNOW WILL OCCUR IN A SWATH BETWEEN THE I-94 AND M-59 CORRIDORS...WHERE 6 TO 10 INCHES OF SNOW ACCUMULATION WILL OCCUR BY MONDAY MORNING. PRECIPITATION WILL TAPER OFF MONDAY MORNING AS THE STORM SYSTEM MOVES EAST AND HIGH PRESSURE SINKS INTO THE NORTHERN GREAT LAKES. MIZ075-076-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ WASHTENAW-WAYNE- INCLUDING THE CITIES OF...ANN ARBOR...DETROIT 144 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * LIGHT ICING ON EXPOSED SURFACES IS POSSIBLE. THE WEIGHT OF ICE AND WET SNOW MAY BE HEAVY ENOUGH TO CAUSE DAMAGE TO TREES AND POWER LINES. * SPORADIC POWER OUTAGES WILL BE POSSIBLE. * SLICK ROADS AND SIDEWALKS FROM MIXED PRECIPITATION WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS... POSSIBLY HAVING BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * BANDS OF PRECIPITATION WILL CONTINUE TO MOVE ACROSS THE AREA EARLY THIS MORNING. THIS PRECIPITATION MAY BE HEAVY AT TIMES AND WILL FALL AS A MIX OF SNOW...SLEET AND FREEZING RAIN. * STORM TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 6 TO 10 INCHES. * UP TO A TENTH OF AN INCH OF ICE IS POSSIBLE...ESPECIALLY SOUTH OF I-94. * ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE OVERNIGHT...RESULTING IN BRIEF PERIODS OF LOCALLY INTENSE PRECIPITATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ068>070-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LIVINGSTON-OAKLAND-MACOMB- INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN 144 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * MODERATE TO HEAVY SNOW ACCUMULATIONS WILL COVER ROADWAYS... MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * HEAVIER BURSTS OF SNOW WILL REDUCE VISIBILITIES TO ONE MILE OR LESS. HAZARDOUS WEATHER... * BANDS OF SNOW WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE EARLY MORNING HOURS. SNOWFALL MAY BE HEAVY AT TIMES... REDUCING VISIBILITY TO A MILE OR LESS AND BRINGING AN ADDITIONAL 1 TO 2 INCHES OF ACCUMULATION OVERNIGHT. * STORM TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO RANGE FROM 6 TO 10 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ047>049-053>055-060>063-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE- LAPEER-ST. CLAIR- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER...PORT HURON 144 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * MODERATE TO HEAVY SNOW ACCUMULATIONS WILL COVER ROADWAYS... MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * HEAVIER BURSTS OF SNOW WILL REDUCE VISIBILITIES TO ONE MILE OR LESS. * GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW. HAZARDOUS WEATHER... * BANDS OF SNOW WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE EARLY MORNING HOURS. SNOWFALL MAY BE HEAVY AT TIMES... REDUCING VISIBILITY TO A MILE OR LESS AND BRINGING AN ADDITIONAL 1 TO LOCALLY 3 INCHES OF ACCUMULATION OVERNIGHT. * STORM TOTAL SNOW ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS ALONG AND SOUTH OF I-69. * NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT. 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MIZ082-083-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 144 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE WILL BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES IN SOME LOCATIONS. * MODERATE TO HEAVY SNOW ACCUMULATIONS WILL COVER ROADWAYS... MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * BANDS OF PRECIPITATION WILL CONTINUE TO MOVE ACROSS THE AREA THROUGH THE EARLY MORNING HOURS. THIS PRECIPITATION MAY BE HEAVY AT TIMES AND WILL FALL AS A MIX OF SNOW...SLEET AND FREEZING RAIN. * STORM TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 4 TO 8 INCHES. * UP TO A QUARTER OF AN INCH OF ICE IS POSSIBLE BY MONDAY MORNING...WITH THE HIGHEST ICE ACCUMULATIONS ACROSS PORTIONS OF LENAWEE COUNTY. * THUNDERSTORMS ARE ALSO POSSIBLE TONIGHT...RESULTING IN LOCALLY INTENSE PRECIPITATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ DG
493 WWUS43 KDTX 210856 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 356 AM EST MON FEB 21 2011 ...WINTER STORM WILL WIND DOWN EARLY THIS MORNING... .PRECIPITATION WILL STEADILY WIND DOWN OVER THE NEXT SEVERAL HOURS AS LOW PRESSURE WEAKENS AND SLIDES EAST OF THE OHIO VALLEY. MOST OF THIS REMAINING PRECIPITATION WILL FALL AS SNOW WITH FREEZING RAIN AND SLEET MIXED IN SOUTH OF I 94. ADDITIONAL ACCUMULATIONS OF AROUND AN INCH WILL BE POSSIBLE ALONG AND NORTHEAST OF I 75 WITH LESS THAN AN INCH FURTHER SOUTHWEST. MIZ075-076-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ WASHTENAW-WAYNE- INCLUDING THE CITIES OF...ANN ARBOR...DETROIT 356 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * HEAVY ACCUMULATIONS OF SNOW WILL COVER ROADWAYS...MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * THE WEIGHT OF WET SNOW MAY BE HEAVY ENOUGH TO CAUSE DAMAGE TO TREES AND POWER LINES. * SPORADIC POWER OUTAGES WILL BE POSSIBLE. * SLICK ROADS AND SIDEWALKS FROM MIXED PRECIPITATION WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS... POSSIBLY HAVING BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * BANDS OF PRECIPITATION WILL STEADILY DIMINISH DURING THE PREDAWN HOURS...WITH PERIODS OF MODERATE SNOW BECOMING LESS FREQUENT. WHILE MOST OF THE PRECIPITATION WILL FALL AS SNOW...SOME SLEET OR FREEZING RAIN MAY MIX WITH THE SNOW AT TIMES. * STORM TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 6 TO 10 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ068>070-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LIVINGSTON-OAKLAND-MACOMB- INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN 356 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * MODERATE TO HEAVY SNOW ACCUMULATIONS WILL COVER ROADWAYS... MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * HEAVIER BURSTS OF SNOW WILL REDUCE VISIBILITIES TO ONE MILE OR LESS THROUGH 5 AM. HAZARDOUS WEATHER... * BANDS OF SNOW WILL STEADILY DIMINISH DURING THE PREDAWN HOURS WITH ADDITIONAL ACCUMULATIONS UP TO AN INCH POSSIBLE. * STORM TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO RANGE FROM 6 TO 10 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MIZ047>049-053>055-060>063-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE- LAPEER-ST. CLAIR- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER...PORT HURON 356 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * MODERATE TO HEAVY SNOW ACCUMULATIONS WILL COVER ROADWAYS... MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * HEAVIER BURSTS OF SNOW WILL REDUCE VISIBILITIES TO ONE MILE OR LESS THROUGH 6 AM. * GUSTY WINDS WILL ALSO CREATE SIGNIFICANT BLOWING AND DRIFTING SNOW. HAZARDOUS WEATHER... * BANDS OF SNOW WILL STEADILY DIMINISH DURING THE PREDAWN HOURS WITH ADDITIONAL ACCUMULATIONS AROUND AN INCH. * STORM TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. * NORTHEAST WINDS WILL GUST TO 25 TO 30 MPH AT TIMES TONIGHT. 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 TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MIZ082-083-211200- /O.CON.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 356 AM EST MON FEB 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. IMPACTS... * ICING ON EXPOSED SURFACES IS EXPECTED. THE WEIGHT OF THE ICE WILL BE HEAVY ENOUGH TO BREAK TREE BRANCHES AND BRING DOWN POWER LINES IN SOME LOCATIONS. * MODERATE TO HEAVY SNOW ACCUMULATIONS WILL COVER ROADWAYS... MAKING THEM SLICK AND POTENTIALLY DANGEROUS. * EXTENDED POWER OUTAGES WILL BE POSSIBLE. * ICY ROADS AND SIDEWALKS WILL MAKE TRAVEL BOTH IN VEHICLES AND ON FOOT EXTREMELY DANGEROUS...WHICH MAY HAVE BIG IMPACTS ON THE MONDAY MORNING COMMUTE. HAZARDOUS WEATHER... * BANDS OF PRECIPITATION WILL STEADILY DIMINISH DURING THE PREDAWN HOURS. THROUGH 5 AM...PERIODS OF MODERATE TO HEAVY PRECIPITATION WILL FALL AS A MIX OF SNOW...SLEET AND FREEZING RAIN. * STORM TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 4 TO 8 INCHES. * UP TO A QUARTER OF AN INCH OF ICE IS POSSIBLE...WITH THE HIGHEST ICE ACCUMULATIONS ACROSS PORTIONS OF LENAWEE COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ DG
403 WWUS43 KDTX 211103 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 603 AM EST MON FEB 21 2011 MIZ047>049-053>055-060>063-068>070-075-076-082-083-211215- /O.CAN.KDTX.WS.W.0003.000000T0000Z-110221T1200Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE- LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE- LENAWEE-MONROE- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT...LAPEER... PORT HURON...HOWELL...PONTIAC...WARREN...ANN ARBOR...DETROIT... ADRIAN...MONROE 603 AM EST MON FEB 21 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE WINTER STORM WARNING. IMPACTS... * WIDESPREAD MODERATE TO HEAVY SNOW CREATED SIGNIFICANT TRAVEL PROBLEMS WITH SNOW COVERED ROADS AND VERY SLICK CONDITIONS. * SNOWFALL TOTALS RANGED FROM 5 TO 9 INCHES FOR MOST OF THE AREA. * SIGNIFICANT FREEZING RAIN REMAIN CONFINED TO AREAS NEAR THE OHIO BORDER. HAZARDOUS WEATHER... * PATCHY LIGHT SNOW WILL END DURING THE EARLY MORNING AS LOW PRESSURE WEAKENS AND MOVES EAST OF THE OHIO VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * SEND REPORTS TO NWS DETROIT/PONTIAC OR VISIT WWW.WEATHER.GOV FOR MORE INFORMATION. && $$ DG
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 Detroit, MI wrote its last area forecast discussion before this winter storm warning went out at Feb 20, 3:52 AM EST, 18 minutes earlier.
Area forecast discussion, Feb 20, 3:52 AM EST, 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
352 AM EST SUN FEB 20 2011
.SHORT TERM...TODAY AND TONIGHT
APPROACHING WINTER STORM WILL BRING A VARIETY OF PRECIPITATION TO
THE AREA LATE TODAY INTO TONIGHT. THE SAME BASIC QUESTIONS REMAIN AS
THE INITIAL AREA OF PRECIPITATION WITHIN STRONG ISENTROPIC ASCENT
UNDER COUPLE JET BEGINS MAINLY AS SNOW THIS AFTERNOON WITH STRONG
FRONTO-GENETIC FORCING THEN BECOMING THE DOMINANT FORCING FROM THE
EVENING INTO THE OVERNIGHT AS 50 KNOT LOW LEVEL JET IMPINGES ON THE
AREA AS SOUTHERN STREAM WAVE CONTINUES INTO THE SOUTHERN LAKES FROM
THE CENTRAL PLAINS. BETWEEN THIS FEATURE...AND A LARGE ARCTIC HIGH
THAT WILL GRADUALLY EXPAND SOUTHEAST INTO THE REGION AS A NORTHERN
STREAM SHORTWAVE RACES ACROSS SOUTHERN ONTARIO INTO QUEBEC...EXPECT
A VERY TIGHT LOW LEVEL FRONTAL BOUNDARY TO BECOME ESTABLISHED RIGHT
THROUGH THE MIDDLE OF THE CWA. 00Z RAOBS DID NOT YIELD TOO MUCH
DISCREPANCIES FROM MODEL SOLUTIONS...ALTHOUGH H85 TEMP AT KABR WAS
ABOUT 2C COLDER (25-30NM FURTHER SOUTH WITH BOUNDARY?) THAN NAM12
INITIALIZATION. NOT ENOUGH TO GO ON TO ADJUST MODEL FORECAST IMHO.
DURING THE PERIOD OF STRONG FRONTAL FORCING...LOW LEVEL MOISTURE IS
ABUNDANT AS SPECIFIC HUMIDITY VALUES IN THE H85-H7 LAYER CLIMB INTO
THE 5-6 G/KG AREA. SO...MODERATE/HEAVY PRECIPITATION IS EXPECTED IN
A ROUGHLY 6 HOUR PERIOD BEGINNING 00Z-02Z OR SO. IN ADDITION...LAYER
ABOVE THE BEST FRONTAL FORCING IS STILL FORECAST TO BE CONVECTIVELY
UNSTABLE...SO ENHANCED MESOSCALE BANDING WILL PROBABLY OCCUR WITH
A SMALL CHANCE OF EMBEDDED THUNDER. THERE REMAINS SOME QUESTION AS
TO WHICH LEVEL THE FRONTAL FORCING WILL MAXIMIZE...BUT NAM/GFS
SUPPORT THE GENERAL H85/H7 AREA WHICH WOULD BRING THE HEAVIEST SWATH
OF PRECIPITATION BETWEEN I 69/I 94. ANY MESOSCALE INFLUENCE WOULD
FALL IN A NARROWER SWATH WITH THIS MORE GENERAL AREA OF STRONGER
FORCING. WHILE ADDITIONAL ADJUSTMENTS TO THE TIMING OF PRECIPITATION
TRANSITIONS WILL PROBABLY BE NEEDED INTO THE STORM...GENERALLY
EXPECT PRIMARY SNOW FROM THE I 69 CORRIDOR ON NORTH WITH MAINLY
FREEZING RAIN FROM I 94 SOUTH ONCE THE FIRST BATCH OF SNOW ENDS IN
THE LATE AFTERNOON.
IN BETWEEN THESE AREAS...THE PRECIPITATION FORECAST WILL BE RATHER
DIFFICULT GIVEN SUCH A TIGHT BAROCLINIC ZONE. BETWEEN I 69 AN I 94
WILL ESSENTIALLY FOCUS MORE ON SNOW WITH SLEET/FREEZING RAIN MIXED
IN FROM THE M 59 CORRIDOR NORTH WITH POINTS SOUTH OF M 59 PROBABLY
CHANGING TO PRIMARILY FREEZING RAIN WITH SLEET MIXED IN AT TIMES
WITH SIGNIFICANT ICING EXPECTED TO BE MORE OF A PROBLEM INTO THE
NIGHT AFTER SEVERAL INCHES OF SNOW ACCUMULATES BY EARLY EVENING.
AS FOR ACCUMULATIONS...WILL LIMIT SOUTHERN FOUR COUNTIES TO 1 TO 3
INCHES OF SNOW/SLEET WITH A QUARTER INCH OF ICE ON TOP OF THAT. THE
M 59 COUNTIES WILL LIKELY END UP WITH THE HIGHEST RANGE IN SNOWFALL
TOTALS...FROM 2-3 INCHES NEAR 8 MILE TO 6-7 ALONG NORTHERN OAKLAND
AND MACOMB COUNTIES. FURTHER NORTH...WHERE SNOW WILL ONLY MIX WITH
SLEET AT TIMES...ACCUMULATIONS SHOULD RANGE BETWEEN 6-9 INCHES FOR
MOST LOCATIONS.
WILL BE UPGRADING THE WATCH TO A WINTER STORM WARNING FOR ALL ZONES
HIGHLIGHTING MAINLY ICE SOUTH...SNOW NORTH AND BOTH THROUGH THE MID
CWA FROM LATE THIS AFTERNOON THROUGH THE OVERNIGHT. WILL END AT 12Z
AS LEFTOVER SNOW FROM NORTHERN STREAM TROUGH TRAILING THIS SYSTEM ON
MONDAY SHOULD BE RELATIVELY MINOR IN COMPARISON TO THE MAIN EVENT.
&&
.LONG TERM...
DIGGING UPPER LEVEL TROUGH JUST OFF THE BRITISH COLUMBIA COAST EARLY
THIS MORNING WILL HELP BOOT OUR LARGE UPPER LEVEL LOW/CIRCULATION
OUT OF THE WESTERN CONUS. 500 MB LOW/CENTER WILL BE OVER THE UPPER
MISSISSIPPI VALLEY/MIDWEST ON MONDAY...AND WILL WEAKEN AND TRACK
CLOSE TO THE SOUTHERN MICHIGAN BORDER MONDAY NIGHT. WITH SUPPORT
FROM 00Z GFS/GEM/NAMB...WILL CALL FOR LIGHT SNOW TO CLIP THE FAR
SOUTH THIRD OF THE CWA MONDAY EVENING...IN ADDITION TO THE LIGHT
SNOW WHICH IS EXPECTED DURING THE DAY ACROSS THE MAJORITY OF
SOUTHEAST MICHIGAN.
LOWER MICHIGAN THEN LOOKS TO BE CAUGHT INTO BETWEEN SPLIT FLOW
TUESDAY/WEDNESDAY...WHICH SHOULD TRANSLATE TO GOOD DIURNAL
SWINGS...AS MID/LATE FEBRUARY SUNSHINE WILL QUICKLY ERODE THE STEEP
RADIATION INVERSIONS. THE OVERALL AIRMASS DOES NOT LOOK TERRIBLY
COLD WITH 850 MB TEMPS ADVERTISED TO BE IN THE NEGATIVE MID TO HIGH
SINGLE NUMBERS TUESDAY...MODIFYING TO THE LOW SINGLE NUMBERS ON
WEDNESDAY...AS THE FLOW TRENDS TO THE SOUTHWEST AND HEIGHTS BUILD.
AND NO...CERTAINLY DO NOT EXPECT TO MIX TO 850 MB...JUST MENTIONING
THOSE NUMBERS TO FORM A BASIS FOR UPCOMING PRECIPITATION.
THE WARMING TREND WILL COMPLICATE THE FORECAST ON THURSDAY...AS
INDICATIONS ARE A SOUTHERN WAVE WILL COME OUT OFF TEXAS AND ADVANCE
TOWARD THE REGION...WITH NORTHERN STREAM TROUGH ALSO APPROACHING AT
THE SAME TIME. TIMING OF THESE SYSTEMS...AND WHETHER THEY COME
TOGETHER REMAINS TO BE SEEN...BUT POTENTIAL IS THERE FOR A STORM IN
THE THURSDAY-FRIDAY TIME FRAME. WITH THE UNCERTAINTY AND THE FACT
WERE ARE TALKING DAYS 5 AND 6...ELECTED NOT TO MAKE ANY CHANGES TO
THE FORECAST WHICH CALLS FOR A CHANCE OF RAIN AND/OR SNOW.
&&
.MARINE...
HIGH PRESSURE BUILDING INTO ONTARIO TONIGHT COUPLED WITH LOW
PRESSURE TRACKING THROUGH THE NORTHERN OHIO VALLEY WILL CREATE A
TIGHT PRESSURE GRADIENT...WITH NORTHEAST GALE FORCE WINDS EXPECTED
TO DEVELOP OVER LAKE HURON TONIGHT...SLOWING DECREASING TOMORROW AS
THE LOW WEAKENS FURTHER. HIGH PRESSURE SINKING SOUTH INTO THE
CENTRAL GREAT LAKES BY TUESDAY WILL LEAD TO LIGHT WINDS FOR THE MID
WEEK PERIOD.
&&
.AVIATION...ISSUED 1159 PM EST SAT FEB 19 2011
HIGH PRESSURE IN CONTROL TONIGHT WILL MAINTAIN A LIGHT/VARIABLE
WIND FIELD...WHILE RETAINING A VFR SKY CONDITION WITH JUST SOME
INCREASING CIRRUS FOR THE MORNING PERIOD. EXPANDING AREA OF DEEPER
MOISTURE TIED TO A LOW PRESSURE SYSTEM TRACKING FROM THE PLAINS TO
THE OHIO VALLEY WILL SURGE ACROSS SOUTHEAST MICHIGAN DURING THE
AFTERNOON. PRECIPITATION WILL BEGIN AS SNOW AT ALL TERMINALS DURING
THE 19-21Z WINDOW WITH BOTH VISIBILITY AND CEILING LOWERING INTO
MVFR DURING THIS TIME. CONDITIONS WILL DETERIORATE FURTHER AS
PRECIPITATION INTENSITY INCREASES INTO THE EVENING HOURS...WITH THE
POTENTIAL FOR LIFR VISIBILITY RESTRICTIONS DURING THIS TIME. MID
LEVEL WARM LAYER WILL EDGE NORTHWARD AND INTO THE STATE WITH TIME.
THIS WILL FAVOR AN EVENTUAL TRANSITION TOWARD A MIX FOR THE DETROIT
TERMINALS AFTER 00Z. PTK WILL REMAIN ON THE FRINGE WITH SNOW
EVENTUALLY MIXING WITH SLEET...WHILE FNT/MBS REMAIN AS ALL
SNOW.
&&
.DTX WATCHES/WARNINGS/ADVISORIES...
MI...WINTER STORM WARNING...MIZ047-MIZ048-MIZ049-MIZ053-MIZ054-MIZ055-
MIZ060-MIZ061-MIZ062-MIZ063-MIZ068-MIZ069-MIZ070-MIZ075-MIZ076-
MIZ082-MIZ083...FROM 4 PM SUNDAY TO 7 AM MONDAY.
LAKE HURON...
GALE WARNING...LHZ361-LHZ362...FROM 10 PM SUNDAY TO 2 PM MONDAY.
GALE WARNING...LHZ363-LHZ421-LHZ441-LHZ462-LHZ463...FROM MIDNIGHT
MONDAY TO 7 PM MONDAY.
GALE WARNING...LHZ422-LHZ442-LHZ443-LHZ464...FROM 2 AM MONDAY TO 2
PM MONDAY.
LAKE ST CLAIR...NONE.
MI WATERS OF LAKE ERIE...NONE.
&&
SHORT TERM...DG
LONG TERM....SF
MARINE.......SF
AVIATION.....MR
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).Hazardous weather outlook, Feb 20, 3:51 AM EST, 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 351 AM EST SUN FEB 20 2011 MIZ047>049-053>055-060>063-068>070-075-076-082-083-210915- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 351 AM EST SUN FEB 20 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WARNING IS IN EFFECT LATE TODAY INTO TONIGHT. REFER TO THE WINTER WEATHER MESSAGE FOR DETAILS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT...BUT SNOWFALL REPORTS WILL BE APPRECIATED. LHZ361>363-421-422-441>443-462>464-210915- LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE- LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 351 AM EST SUN FEB 20 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON. .DAY ONE...TODAY AND TONIGHT GALE WARNINGS IN EFFECT LATE TONIGHT. REFER TO THE LATEST MARINE FORECAST FOR DETAILS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY GALE WARNINGS CONTINUE INTO MONDAY. REFER TO THE LATEST MARINE FORECAST FOR DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. LCZ422-423-460-LEZ444-210915- ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 351 AM EST SUN FEB 20 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE AND LAKE ST CLAIR. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. SF YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 3:37 AM EST | Gale Warning | DTX | 36 hr | |
| Feb 20, 3:25 PM EST | Heavy Freezing Spray Warning | DTX | 25 hr |
Nearby
Winter Storm Warnings in Michigan, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.