Alert archive / Michigan / Wind Chill Warnings in 2015
Wind Chill Warning 1, NWS Detroit, MI
NWS Detroit, MI issued this wind chill warning at Jan 7, 2015, 3:25 PM EST for Lenawee County, Monroe County, Michigan. It took effect at Jan 7, 2015, 7:00 PM EST. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 7, 2015, 3:25 PM EST (20:25 UTC)
- In effect from
- Jan 7, 2015, 7:00 PM EST
- Expired
- Jan 8, 2015, 4:00 PM EST
- In force
- 21 hr
- Issued by
- NWS Detroit, MI
Counties Lenawee County, MI, Monroe County, MI
The radar
The Detroit radar (KDTX), 92 km from the middle of the area, began a volume at 20:26 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.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 8.4 hours before the alert went out and 95 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
- 761 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
236 WWUS43 KDTX 072025 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 325 PM EST WED JAN 7 2015 ...DANGEROUS WIND CHILLS EXPECTED LATE TONIGHT... MIZ082-083-080430- /O.UPG.KDTX.WC.Y.0002.150108T0000Z-150108T2100Z/ /O.NEW.KDTX.WC.W.0001.150108T0000Z-150108T2100Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 325 PM EST WED JAN 7 2015 ...WIND CHILL WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EST THURSDAY. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. HAZARDOUS WEATHER... * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN DANGEROUS WIND CHILLS. * WIND CHILLS OF 20 TO 30 BELOW ZERO ARE EXPECTED FROM 4AM TO NOON THURSDAY. WIND CHILLS WILL BE -15 OR COLDER FROM 7PM TONIGHT UNTIL 4PM THURSDAY. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ047>049-053>055-061>063-080430- /O.EXT.KDTX.WC.Y.0002.000000T0000Z-150108T1700Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-GENESEE-LAPEER- ST. CLAIR- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...FLINT...LAPEER...PORT HURON 325 PM EST WED JAN 7 2015 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON EST THURSDAY... THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON EST THURSDAY. HAZARDOUS WEATHER... * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN VERY COLD WIND CHILLS. * WIND CHILLS OF 15 TO 24 BELOW ZERO ARE EXPECTED THIS MORNING THROUGH THURSDAY AFTERNOON. * COLDEST WIND CHILLS ARE EXPECTED IN THE THUMB WHERE WINDS WILL BE STRONGEST. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ060-068>070-075-076-080430- /O.CON.KDTX.WC.Y.0002.150108T0000Z-150108T2100Z/ SHIAWASSEE-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE- INCLUDING THE CITIES OF...OWOSSO...HOWELL...PONTIAC...WARREN... ANN ARBOR...DETROIT 325 PM EST WED JAN 7 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EST THURSDAY... HAZARDOUS WEATHER... * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN VERY COLD WIND CHILLS. * WIND CHILLS OF 15 TO 24 BELOW ZERO ARE EXPECTED THIS EVENING THROUGH THURSDAY AFTERNOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MM
4 follow-up statements
157 WWUS43 KDTX 080332 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1032 PM EST WED JAN 7 2015 ...DANGEROUS WIND CHILL TONIGHT AND THURSDAY... MIZ082-083-081145- /O.CON.KDTX.WC.W.0001.000000T0000Z-150108T2100Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 1032 PM EST WED JAN 7 2015 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 PM EST THURSDAY... HAZARDOUS WEATHER... * ARCTIC COLD TEMPERATURES AND GUSTY WINDS WILL RESULT IN DANGEROUS WIND CHILL. * WIND CHILL WILL DROP TO 15 BELOW DURING THE EARLY MORNING AND THEN INTO THE 20 TO 30 BELOW ZERO RANGE FROM 4 AM TO NOON THURSDAY. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ060-068>070-075-076-081145- /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T2100Z/ SHIAWASSEE-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE- INCLUDING THE CITIES OF...OWOSSO...HOWELL...PONTIAC...WARREN... ANN ARBOR...DETROIT 1032 PM EST WED JAN 7 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THURSDAY... HAZARDOUS WEATHER... * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN VERY COLD WIND CHILL. * WIND CHILL WILL DROP TO 15 BELOW ZERO DURING THE EARLY MORNING TO ABOUT 20 BELOW TOWARD SUNRISE THROUGH THURSDAY AFTERNOON. A FEW LOCATIONS COULD APPROACH 25 BELOW THURSDAY MORNING AS DEEPER ARCTIC AIR MOVES IN FROM INDIANA AND OHIO. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ047>049-053>055-061>063-081145- /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T1700Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-GENESEE-LAPEER- ST. CLAIR- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...FLINT...LAPEER...PORT HURON 1032 PM EST WED JAN 7 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST THURSDAY... HAZARDOUS WEATHER... * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN VERY COLD WIND CHILL. * WIND CHILL WILL DROP TO ABOUT 20 BELOW ZERO DURING THE EARLY MORNING AND LAST THROUGH THURSDAY AFTERNOON. * COLDEST WIND CHILL IS EXPECTED IN THE THUMB WHERE WIND WILL BE STRONGEST. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ BT
277 WWUS43 KDTX 080857 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 357 AM EST THU JAN 8 2015 ...DANGEROUS WIND CHILL TODAY...ACCUMULATING SNOW AND WINDS THIS EVENING... MIZ082-083-081700- /O.NEW.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ /O.CON.KDTX.WC.W.0001.000000T0000Z-150108T2100Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 357 AM EST THU JAN 8 2015 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY. HAZARDOUS WEATHER... * SNOW WILL BEGIN THIS EVENING WITH 2 TO 4 INCHES EXPECTED TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE FREQUENT BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS IN THE 20 TO 30 BELOW ZERO RANGE THROUGH NOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ047>049-053>055-061-062-081700- /O.NEW.KDTX.WW.Y.0003.150108T2100Z-150109T0600Z/ /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T1700Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-GENESEE-LAPEER- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...FLINT...LAPEER 357 AM EST THU JAN 8 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST FRIDAY. HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE FREQUENT BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS AROUND 20 BELOW ZERO THROUGH THE AFTERNOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ060-081700- /O.NEW.KDTX.WW.Y.0003.150108T2100Z-150109T0600Z/ /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T2100Z/ SHIAWASSEE- INCLUDING THE CITY OF...OWOSSO 357 AM EST THU JAN 8 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST FRIDAY. HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE FREQUENT BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS AROUND 20 BELOW ZERO THROUGH THE AFTERNOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ068>070-075-076-081700- /O.NEW.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T2100Z/ LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE- INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN...ANN ARBOR... DETROIT 357 AM EST THU JAN 8 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY. HAZARDOUS WEATHER... * SNOW WILL BEGIN THIS EVENING WITH 2 TO 4 INCHES EXPECTED TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE FREQUENT BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS AROUND 20 BELOW ZERO THROUGH THE AFTERNOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ063-081700- /O.NEW.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T1700Z/ ST. CLAIR- INCLUDING THE CITY OF...PORT HURON 357 AM EST THU JAN 8 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY. HAZARDOUS WEATHER... * SNOW WILL BEGIN THIS EVENING WITH 2 TO 4 INCHES EXPECTED TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE FREQUENT BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS AROUND 20 BELOW ZERO THROUGH NOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ KURIMSKI
516 WWUS43 KDTX 081653 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1153 AM EST THU JAN 8 2015 ...ACCUMULATING SNOW THIS EVENING... MIZ047>049-053>055-061-062-090100- /O.EXP.KDTX.WC.Y.0002.000000T0000Z-150108T1700Z/ /O.CON.KDTX.WW.Y.0003.150108T2100Z-150109T0600Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-GENESEE-LAPEER- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...FLINT...LAPEER 1153 AM EST THU JAN 8 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST FRIDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON EST TODAY... HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. IMPACTS... * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ063-090100- /O.EXP.KDTX.WC.Y.0002.000000T0000Z-150108T1700Z/ /O.CON.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ ST. CLAIR- INCLUDING THE CITY OF...PORT HURON 1153 AM EST THU JAN 8 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT NOON EST TODAY... THE WIND CHILL ADVISORY WILL EXPIRE AT NOON EST TODAY. HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. IMPACTS... * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ082-083-090100- /O.CON.KDTX.WC.W.0001.000000T0000Z-150108T2100Z/ /O.CON.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 1153 AM EST THU JAN 8 2015 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY... HAZARDOUS WEATHER... * SNOW WILL BEGIN THIS EVENING WITH 2 TO 4 INCHES EXPECTED TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS IN THE 20 TO 30 BELOW ZERO RANGE THROUGH NOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ060-090100- /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T2100Z/ /O.CON.KDTX.WW.Y.0003.150108T2100Z-150109T0600Z/ SHIAWASSEE- INCLUDING THE CITY OF...OWOSSO 1153 AM EST THU JAN 8 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST FRIDAY... HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS AROUND 20 BELOW ZERO THROUGH THE AFTERNOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ068>070-075-076-090100- /O.CON.KDTX.WC.Y.0002.000000T0000Z-150108T2100Z/ /O.CON.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE- INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN...ANN ARBOR... DETROIT 1153 AM EST THU JAN 8 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 1 AM EST FRIDAY... HAZARDOUS WEATHER... * SNOW WILL BEGIN THIS EVENING WITH 2 TO 4 INCHES EXPECTED TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. * COLD TEMPERATURES AND GUSTY WINDS ACCOMPANYING AN ARCTIC AIR MASS WILL RESULT IN WIND CHILLS AROUND 20 BELOW ZERO THROUGH THE AFTERNOON. IMPACTS... * INCREASED RISK OF FROSTBITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE TO DRESS IN LAYERS AND COVER AS MUCH SKIN AS POSSIBLE. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ SS
257 WWUS43 KDTX 082049 WSWDTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 349 PM EST THU JAN 8 2015 ...ACCUMULATING SNOW THIS EVENING... MIZ082-083-090500- /O.EXP.KDTX.WC.W.0001.000000T0000Z-150108T2100Z/ /O.CON.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ LENAWEE-MONROE- INCLUDING THE CITIES OF...ADRIAN...MONROE 349 PM EST THU JAN 8 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... ...WIND CHILL WARNING WILL EXPIRE AT 4 PM EST THIS AFTERNOON... HAZARDOUS WEATHER... * SNOW WILL BEGIN THIS EVENING WITH 2 TO 4 INCHES EXPECTED TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. IMPACTS... * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ060-090500- /O.EXP.KDTX.WC.Y.0002.000000T0000Z-150108T2100Z/ /O.CON.KDTX.WW.Y.0003.150108T2100Z-150109T0600Z/ SHIAWASSEE- INCLUDING THE CITY OF...OWOSSO 349 PM EST THU JAN 8 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON... HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. IMPACTS... * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ068>070-075-076-090500- /O.EXP.KDTX.WC.Y.0002.000000T0000Z-150108T2100Z/ /O.CON.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE- INCLUDING THE CITIES OF...HOWELL...PONTIAC...WARREN...ANN ARBOR... DETROIT 349 PM EST THU JAN 8 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... ...WIND CHILL ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON... HAZARDOUS WEATHER... * SNOW WILL BEGIN THIS EVENING WITH 2 TO 4 INCHES EXPECTED TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. IMPACTS... * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ047>049-053>055-061-062-090500- /O.CON.KDTX.WW.Y.0003.150108T2100Z-150109T0600Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-GENESEE-LAPEER- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...FLINT...LAPEER 349 PM EST THU JAN 8 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. IMPACTS... * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ MIZ063-090500- /O.CON.KDTX.WW.Y.0003.150108T2300Z-150109T0600Z/ ST. CLAIR- INCLUDING THE CITY OF...PORT HURON 349 PM EST THU JAN 8 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... HAZARDOUS WEATHER... * SNOW WILL BEGIN LATE THIS AFTERNOON WITH 2 TO 4 INCHES EXPECTED BY TONIGHT. * THE HEAVIEST SNOW WILL FALL BETWEEN 7 PM AND MIDNIGHT. * WIND GUSTS TO 30 MPH WILL CAUSE SOME BLOWING AND DRIFTING SNOW. IMPACTS... * SNOW COVERED AND SLIPPERY ROADS. * BLOWING AND DRIFTING OF SNOW. * REDUCTION OF VISIBILITY IN FALLING AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 && $$ SS
What forecasters said that day
The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before this wind chill warning went out at Jan 7, 12:11 PM EST, 3 hours 14 minutes earlier.
Area forecast discussion, Jan 7, 12:11 PM EST, 3 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1211 PM EST WED JAN 7 2015
.AVIATION...
NORTHWEST FLOW HELPED FUEL A LAKE EFFECT SNOW BAND ACROSS LOWER
MICHIGAN EARLIER TODAY...BUT THAT LINE SHOULD REMAIN WEST OF THE TAF
SITES FOR THIS AFTERNOON. LINGERING MVFR CIGS MAY HANG ON AS LATE AS
01Z...BUT A CLEARING TREND CAN BE SEEN ON THE VISIBLE SATELLITE
IMAGE. A PASSING FLURRY WILL REMAIN POSSIBLE THROUGH THE DAY IN THIS
COLD AIR ALOFT SCENARIO. COLD WIND CHILLS HAVE LED TO AN ADVISORY
FOR ALL TERMINALS. -25 WIND CHILL VALUES ARE POSSIBLE THU MORNING.
NEXT SNOW SYSTEM WILL BE APPROACHING THURSDAY NIGHT AND HAS BEEN
INTRODUCED IN DTW TAF.
FOR DTW...WINDS WILL CONTINUE TO GUST IN THE 20-25KT RANGE FROM THE
NORTHWEST. THIS DOES RAISE CROSSWIND ISSUES...BUT VALUES APPEAR TO
MAX OUT AT 25KT AND ONLY BRIEFLY TOUCH 280-300 DEGREES...MAINLY
STAYING UNDER THE ALTERNATE RUNWAY THRESHOLD.
//DTW THRESHOLD PROBABILITIES...
* MEDIUM FOR CEILING BELOW 5000 FT THIS AFTERNOON AND TONIGHT.
* MEDIUM FOR CROSSWIND POTENTIAL WITH WINDS NEAR 310 DEG AND GUSTING
TO 25 KT.
&&
.PREV DISCUSSION...ISSUED 1021 AM EST WED JAN 7 2015
UPDATE...
THE MAIN AREA OF INTEREST FOR THE FORECAST TODAY IS THE DETERMINED
LAKE EFFECT BAND STREAMING SOUTHWARD FROM LAKE SUPERIOR. LAKE
EFFECT SNOW HAS SPREAD 1/4 TO 1 MILE VISIBILITY SNOW ACROSS
MBS...FNT...AND PTK ALREADY AND IS NOW MOVING WESTWARD AND
EXPANDING SOUTH. EXPECT OZW...ARB...DTW TO EXPERIENCE THE SAME
FATE OVER THE NEXT TWO HOURS. THIS BAND HAS SHOWN RELENTLESSNESS
DUE TO 10 C/KM LAPSE RATES FROM THE SURFACE TO H7 AS SHOWN IN THE
12Z DTX RAOB. STEERING WINDS SHOULD FLUCTUATE WIDELY THIS
AFTERNOON AS PARENT HIGH PRESSURE OVER THE CENTRAL PLAINS IS
MODIFIED BY THE THERMAL TROUGH OVER LAKE MICHIGAN. IF OUR SE MI
SNOW BAND SURVIVES UNTIL 00Z...THEN VEERING WINDS COULD PUSH IT
BACK OVER THE METRO AREAS ONCE AGAIN. THIS IS A SELF-LIMITING
PROCESS THOUGH...AS THAT SCENARIO WOULD CUT THE BAND OFF FROM ITS
MOISTURE SOURCE IN LAKE SUPERIOR.
TRACKING WIND SPEEDS FOR TONIGHT/S FORECAST AS THE AFOREMENTIONED
THERMAL TROUGH MAY INCREASE GEOSTROPHIC WIND COMPONENT IN SOUTHERN
4 COUNTIES...WHICH COULD DROP WIND CHILLS TO -25 OR WORSE.
PREV DISCUSSION...ISSUED 655 AM EST WED JAN 7 2015
UPDATE...
SNOW SHOWERS HAVE PUSHED SOUTH OF THE EXTREME SOUTHERN COUNTIES
EARLY THIS MORNING. HOWEVER LAKE EFFECT SNOW SHOWERS FROM LAKE
SUPERIOR HAVE MADE QUITE THE TREK FROM NORTHERN LOWER TO THE
SAGINAW VALLEY THIS MORNING. THESE SHOWERS HAVE BEEN FAIRLY
LIGHT...WITH VISIBILITIES ONLY FALLING TO 2 OR 3 SM. THE HI-RES
HRRR MODEL INDICATED THESE SHOWERS WILL ONLY LAST A FEW HOURS
BEFORE BEING PUSHED WESTWARD AS WINDS TURN TO A MORE NORTHERLY
DIRECTION. THEREFORE WILL INTRODUCE CHANCY POPS AS THIS BAND
SHOULD BE TRANSIENT AND NOT AMOUNT TO MUCH IN THE WAY OF
SNOWFALL.
PREV DISCUSSION...ISSUED 400 AM EST WED JAN 7 2015
SHORT TERM...THIS MORNING THROUGH TONIGHT
A BAND OF LAKE EFFECT SNOW IS CURRENTLY WORKING ITS WAY THROUGH THE
EXTREME SOUTHERN COUNTIES EARLY THIS MORNING...AND SHOULD BE SOUTH
OF THE CWA IN A FEW HOURS AS AN ARCTIC COLD FRONT CONTINUES TO SINK
SOUTH. THIS BAND MAY BRING A HALF OR QUICK INCH TO THE FAR SOUTHERN
CWA...WHICH IS SUPPORTED BY UPSTREAM SNOWFALL AMOUNTS...BEFORE IT
EXITS TO THE SOUTH. BEHIND THE FRONT LAKE EFFECT SNOW SHOWERS WILL
CONTINUE ACROSS MUCH OF MICHIGAN...HOWEVER VERY LIGHT SNOW SHOWERS
OR FLURRIES ARE EXPECTED ACROSS MUCH OF THE CWA AS WINDS WILL BACK
THROUGHOUT MUCH OF THE DAY...NOT ALLOWING A DOMINANT BAND TO SET UP
AND MAKE THE TREK ALL THE WAY EAST INTO THE CWA. THE MAIN EXCEPTION
COULD BE THE EASTERN THUMB WHERE NORTHWESTERLY WINDS COULD ALLOW A
LAKE EFFECT SNOW BAND TO CLIP THE THUMB TODAY...HOWEVER ONLY A FEW
TENTHS OF AN INCH IS EXPECTED UNDER THIS SCENARIO.
COLD AIR WILL CONTINUE TO ADVECT SOUTH ACROSS SOUTHEAST MICHIGAN
DURING THE EARLY MORNING HOURS...WITH TEMPERATURES EXPECTED TO
CONTINUE TO FALL THROUGH THE MORNING HOURS AFTER SUNRISE. A FAIRLY
TIGHT PRESSURE GRADIENT ACROSS SOUTHEAST MICHIGAN WILL REMAIN DURING
THE DAYTIME HOURS BEHIND THE ARCTIC FRONT...CAUSING WIND CHILLS TO
REMAIN AT DANGEROUS LEVELS OF -15 TO -20 F ACROSS THE NORTHERN CWA
AS AFTERNOON TEMPERATURES REMAIN IN THE SINGLE DIGITS ABOVE ZERO
ACROSS THE CURRENT WIND CHILL ADVISORY AREA.
RIDGING WILL BUILD IN ACROSS THE OHIO VALLEY THIS AFTERNOON AND
TONIGHT...TURNING THE GUSTY NORTHWESTERLY WINDS TO THE WEST AND
EVENTUALLY SOUTHWEST. INSTEAD OF SOUTHWESTERLY WINDS BRINGING WARMER
TEMPERATURES TO THE SOUTHERN CWA LATE THIS AFTERNOON AND EARLY THIS
EVENING...IT WILL ACTUALLY BRING COLDER AIR IN AS THE COLD AIR WRAPS
AROUND THE GREAT LAKES AND SNEAKS NORTH INTO SOUTHERN LOWER
MICHIGAN. THE COMBINATION OF COLD AIR ADVECTING NORTHWARD AND GUSTY
WINDS DUE TO A TIGHT PRESSURE GRADIENT WILL SEND WIND CHILLS DOWN TO
-15 TO -24 ACROSS THE SOUTHERN CWA DURING THE OVERNIGHT HOURS.
THEREFORE WILL EXPAND HE WIND CHILL ADVISORY TO INCLUDE THE SOUTHERN
HALF OF THE CWA AT 00Z AND RUN IT THROUGH THE OVERNIGHT HOURS. THE
COLD AIR ADVECTING NORTH WILL MEAN AREAS NORTH OF INTERSTATE 94 WILL
ACTUALLY BE WARMER...WITH LOWS AROUND ZERO...THAN AREAS ACROSS THE
SOUTH WHERE LOWS IN THE SINGLE DIGITS BELOW ZERO ARE EXPECTED.
LONG TERM...
DEEP HIGH PRESSURE AND ATTENDENT MIDLEVEL ANTICYCLONIC GYRE WILL
PASS SOUTHWEST OF LOWER MICHIGAN ON THURSDAY...TRACKING VERY QUICKLY
TO THE CAROLINAS ALREADY BY 00Z FRIDAY. THE CENTER OF THE
ANTICYCLONE IS IMPORTANT FOR A COUPLE OF REASONS...THE FIRST IT WILL
ALLOW SURFACE HIGH PRESSURE TO BUBBLE NORTHWARD INTO THE CWA AND
WILL MORE IMPORTANTLY CAUSE WIND TRAJECTORIES TO TURN SOUTHWESTERLY
IN RESPONSE TO THE BACKING RESPONSE. THE SOUTHWESTERLY FLOW IS NOT
EXPECTED TO MODERATE TEMPERATURES INITIALLY...RATHER...IT WILL
ADVECT THE COLD STABLE NEAR SURFACE DOME NORTHWARD INTO THE SOUTHERN
CWA DURING THE MID MORNING AND INTO THE NORTHERN CWA DURING THE
AFTERNOON HOURS. ATYPICAL TEMPERATURE TRACE TOMORROW...WITH
TEMPERATURES LIKELY FALLING FOR A TIME AFTER 12Z. LATEST DATA
SUGGESTS THAT TEMPERATURES THAT INITIALLY START OUT AROUND 10 OR LOW
TEENS NORTH OF I 69 MAY FALL INTO THE SINGLE DIGITS DURING THE
AFTERNOON. DID KEEP WITH THE INHERITED GRID TREND OF GOING DECIDELY
COLD ACROSS THE SOUTHERN TWO TIERS...WITH VALUES A COUPLE OF DEGREES
COLDER THAN MOS GUIDANCE. HAVE SEEN IT A FEW TIMES IN THESE
SCENARIOS WHERE THE COLD AIR MOVES IN WITH A VENGENCE. THE OTHER
STORY THEN FOR THE DAY IS THE BLUSTERY AND DOWNRIGHT WINDY
CONDITIONS AS THE PRESSURE GRADIENT BECOMES SQUEEZED OVER THE GREAT
LAKES WITH THE APPROACHING CLIPPER. LOOKING AT SURFACE WINDGUSTS IN
THE 20-30 MPH RANGE. OVERALL...A FAIRLY BRUTAL DAY BY JUST ABOUT ANY
STANDARD. A WINDCHILL ADVISORY IS IN EFFECT FOR ALL OF SOUTHEASTERN
MICHIGAN THROUGH 21Z.
MIDLEVEL MOISTURE RETURN ON THE BACKSIDE OF THE DEPARTING
ANTICYCLONE WILL BEGIN TO SPREAD MOISTURE ALOFT DOWN OVER THE GREAT
LAKES DURING THE AFTERNOON. DEEP DRY AIR IN THE LOWEST 12 KFT AGL
WILL EVENTUALLY BE OVERCOME AS RAPID MOISTENING TAKES PLACE FOR THE
REMAINDER OF THE COLUMN AS AN IMPRESSIVE LOW-MIDLEVEL JET FEATURE
ZOOMS OVER LOWER MICHIGAN BY 00Z. OVERALL...THE SYSTEM IS QUITE
IMPRESSIVE FROM ALL ANGLES. MOISTURE RETURN IS EXTREMELY IMPRESSIVE
CONSIDERING WHERE WE START THE DAY...AND THE EXPECTED TRAJECTORY IS
PERFECT FOR A CLIPPER IMPACTING SOUTHEASTERN MICHIGAN.300K SYSTEM
RELATIVE ISENTROPIC ASCENT IS PROGGED TO BE EFFICIENT...WHICH ALL
LEADS TO A WIDESPREAD ACCUMULATING LIGHT SNOW EVENT FOR SOUTHEASTERN
MICHIGAN. THE LIGHT SNOW IS EXPECTED TO START DURING THE EVENING
RUSH HOUR IN/AROUND SAGINAW AND BEGIN JUST AFTER THE RUSH HOUR IN
DETROIT. A QUICK HITTER WITH THE BULK OF THE SNOW FALLING IN A 5 TO
8 HR PERIOD. THE PRIOR FORECAST HIT THE 1 TO 3 INCH RANGE FOR THIS
EVENT...AND THAT REMAINS A GOOD CALL. THE DENDRITIC GROWTH ZONES
SEEMS TO BE OVERSTATED AT TIMES...BUT THIS EVENT LOOKS GOOD FROM
THAT PERSPECTIVE. HIGH SNOW RATIOS AT UPWARDS OF 20:1 ARE EXPECTED.
AN UPPER LEVEL TROUGH WILL THEN ENCOMPASS THE REGION ON FRIDAY AND
SATURDAY. TOO MUCH NOISE TO GET MIRED IN SPECIFICS ON EMBEDDED
SHORTWAVE TIMING AND PLACEMENT...BUT A HIGHER CERTAINY FEATURE WILL
BE THE LIKLIHOOD FOR A I 94 BAND SETTING UP FRIDAY 12-18Z IN WEST TO
SOUTHWESTERLY FLOW. FRESH COLD AIR ADVECTION IN THE WAKE OF THE
SYSTEM AND STEEP LOW LEVEL LAPSE RATES RAISES SOME QUESTION ON
POSSIBLE SNOW SQUALLS FRIDAY MORNING...POTENTIAL LARGE FLAKE
SIZE/LOW VISIBILITY.
MARINE...
A LONG DURATION GALE EVENT IS SETTING UP OVER LAKE HURON WITH A
FRESH ARCTIC AIRMASS LEADING TO VERY UNSTABLE CONDITIONS OUT OVER
THE GREAT LAKES. THE NORTHWESTERLY PHASE OF THIS GALE EVENT WILL
CONTINUE TODAY AND TONIGHT. WINDS DURING THIS TIMEFRAME ARE EXPECTED
TO RANGE BETWEEN 30 AND 40 KNOTS. THE SOUTHWESTERLY PHASE OF THIS
GALE EVENT WILL BEGIN ON THURSDAY AND IS EXPECTED TO BECOME A HIGH
END MARINE EVENT BY THURSDAY NIGHT. THE PRESSURE GRADIENT IS
FORECASTED TO BECOME SQUEEZED OVER THE REGION AS A CLIPPER SYSTEM
SWINGS ACROSS THE NORTHERN GREAT LAKES. THIS HIGH GRADIENT WIND WILL
THEN BECOME AUGMENTED BY ADDITIONAL COLD AIR ADVECTION LEADING TO
WINDS REACHING IN EXCESS OF 45 KNOTS. AT THIS TIME...STORM FORCE
WINDS ARE NOT EXPECTED BUT IS SOMETHING TO BE MONITORED. WAVE
HEIGHTS ARE EXPECTED TO REACH AN IMPRESSIVE 15 FEET FOR AREAS NEAR
GEORGIAN BAY.
&&
.DTX WATCHES/WARNINGS/ADVISORIES...
MI...WIND CHILL ADVISORY FROM 7 PM THIS EVENING TO 4 PM EST THURSDAY FOR
MIZ060-068>070-075-076-082-083.
WIND CHILL ADVISORY UNTIL 4 PM EST THURSDAY FOR MIZ047>049-053>055-
061>063.
LAKE HURON...HEAVY FREEZING SPRAY WARNING UNTIL 10 AM EST FRIDAY FOR LHZ361>363-
421-441>443-462>464.
GALE WARNING UNTIL 10 AM EST FRIDAY FOR LHZ361>363-421-441>443-
462>464.
LAKE ST CLAIR...NONE.
MICHIGAN WATERS OF LAKE ERIE...NONE.
&&
AVIATION.....MM
UPDATE.......MM
SHORT TERM...KURIMSKI
LONG TERM....CB
MARINE.......CB
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).Hazardous weather outlook, Jan 7, 4:10 AM EST, 11 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 410 AM EST WED JAN 7 2015 MIZ047>049-053>055-061>063-080915- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-GENESEE-LAPEER-ST. CLAIR- 410 AM EST WED JAN 7 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TODAY AND TONIGHT A WIND CHILL ADVISORY IS IN EFFECT TODAY AND TONIGHT. REFER TO THE LATEST WINTER WEATHER MESSAGE FOR DETAILS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A WIND CHILL ADVISORY REMAINS IN EFFECT THURSDAY. REFER TO THE LATEST WINTER WEATHER MESSAGE FOR DETAILS. ONE TO THREE INCHES OF SNOW IS POSSIBLE THURSDAY EVENING AS A CLIPPER SYSTEM TRACKS THROUGH THE NORTHERN GREAT LAKES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. MIZ060-068>070-075-076-082-083-080915- SHIAWASSEE-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 410 AM EST WED JAN 7 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TODAY AND TONIGHT A WIND CHILL ADVISORY IS IN EFFECT TONIGHT. REFER TO THE LATEST WINTER WEATHER MESSAGE FOR DETAILS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A WIND CHILL ADVISORY REMAINS IN EFFECT THURSDAY. REFER TO THE LATEST WINTER WEATHER MESSAGE FOR DETAILS. ONE TO THREE INCHES OF SNOW IS POSSIBLE THURSDAY EVENING AS A CLIPPER SYSTEM TRACKS THROUGH THE NORTHERN GREAT LAKES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-080915- LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 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- 410 AM EST WED JAN 7 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE HURON AND LAKE ST CLAIR. .DAY ONE...TODAY AND TONIGHT GALE WARNINGS ARE IN EFFECT. PLEASE REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY GALE WARNINGS REMAIN IN EFFECT THROUGH THURSDAY NIGHT. PLEASE REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE). CB
In the hours before
Special weather statement, Jan 7, 9:55 AM EST, 5 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 955 AM EST WED JAN 7 2015 MIZ049-055-072000- HURON-SANILAC- INCLUDING THE CITIES OF...BAD AXE...SANDUSKY 955 AM EST WED JAN 7 2015 ...CAUTIOUS TRAVEL IS ADVISED FOR REDUCED VISIBILITY AND SNOW- COVERED ROADWAYS THIS MORNING INTO THE AFTERNOON... WEATHER... * WIDELY VARYING SNOWFALL IS EXPECTED. SNOW ACCUMULATIONS OF UP TO 2.0 INCHES ARE EXPECTED IN AREAS ALONG LAKE HURON FROM 10AM THROUGH 3PM. * VARIABLE WINDS AROUND 15 MPH GUSTING TO 25 MPH WILL RESULT IN LOCALIZED BLOWING SNOW ACROSS THE AREA DURING THE AFTERNOON. * AIR TEMPERATURES WILL RANGE BETWEEN 0 AND 5 DEGREES. IMPACTS... * BLOWING SNOW MAY LEAD TO LOCALIZED WHITEOUT CONDITIONS. RAPID FLUCTUATIONS OF VISIBILITY WILL OCCUR. * THE VARIABLE WINDS MAY LEAD TO DRIFTING OF SNOW ON ALL ROADWAYS PARTICULARLY IN LOCATIONS WITH OPEN EXPOSURE. && PRECAUTIONARY/PREPAREDNESS ACTIONS... * LOCALIZED MEANS THE EFFECTS OF THE BLOWING SNOW WILL BE LIMITED TO A COMPARATIVELY SMALL AREA INFLUENCED BY LOCAL TERRAIN. MOTORISTS ARE URGED TO USE CAUTION AND ACCOUNT FOR VARIABLE DRIVING CONDITIONS BY SLOWING DOWN AND ALLOWING EXTRA TIME. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 MM
Special weather statement, Jan 7, 9:58 AM EST, 5 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 958 AM EST WED JAN 7 2015 MIZ068-076-071800- LIVINGSTON-WAYNE- INCLUDING THE CITIES OF...HOWELL...DETROIT 958 AM EST WED JAN 7 2015 ...CAUTIOUS TRAVEL IS ADVISED FOR REDUCED VISIBILITY AND SNOW- COVERED ROADWAYS THIS MORNING AND EARLY AFTERNOON... WEATHER... * WIDELY VARYING SNOWFALL IS EXPECTED. SNOW ACCUMULATIONS OF UP TO 1 INCH ARE EXPECTED IN AREAS IMPACTED BETWEEN 10AM AND 12PM. * NORTHWEST WINDS AROUND 15 MPH GUSTING TO 25 MPH WILL RESULT IN LOCALIZED BLOWING SNOW ACROSS SOUTHEASTERN MICHIGAN DURING THE EARLY AFTERNOON. * AIR TEMPERATURES WILL RANGE BETWEEN 5 AND 10 DEGREES. IMPACTS... * BLOWING SNOW WILL RESULT IN RAPID REDUCTIONS OF VISIBILITY TO LESS THAN ONE MILE. * THE NORTHWEST WINDS MAY LEAD TO DRIFTING OF SNOW ON ALL ROADWAYS PARTICULARLY IN LOCATIONS WITH OPEN EXPOSURE. && PRECAUTIONARY/PREPAREDNESS ACTIONS... * LOCALIZED MEANS THE EFFECTS OF THE BLOWING SNOW WILL BE LIMITED TO A COMPARATIVELY SMALL AREA INFLUENCED BY LOCAL TERRAIN. MOTORISTS ARE URGED TO USE CAUTION AND ACCOUNT FOR VARIABLE DRIVING CONDITIONS BY SLOWING DOWN AND ALLOWING EXTRA TIME. * PREPARE...PLAN...AND STAY INFORMED. VISIT HTTP://GO.USA.GOV/RR8 MM
Nearby
Wind Chill Warnings in Michigan, 2015Every wind chill warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.