Alert archive / Michigan / Lake Effect Snow Warnings in 2007

Lake Effect Snow Warning 3, NWS Gaylord, MI

January 18, 20074 counties in Michigan

NWS Gaylord, MI issued this lake effect snow warning at Jan 18, 2007, 3:42 PM EST for 4 counties in Michigan. It took effect at Jan 19, 2007, 12:00 AM EST. It was in force for 28 hr. 6 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
Jan 18, 2007, 3:42 PM EST (20:42 UTC)
In effect from
Jan 19, 2007, 12:00 AM EST
Expired
Jan 20, 2007, 3:43 AM EST
In force
28 hr
Issued by
NWS Gaylord, MI

Counties Antrim County, MI, Crawford County, MI, Kalkaska County, MI, Otsego County, MI

The radar

The NCL Michigan radar (KAPX), 13 km from the middle of the area, began a volume at 20:46 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

TimeReportWhereRemark
Jan 19, 7:00 AM ESTSNOW 45 E Alba, MI24 HR TOTAL THRU 7 AM. SNOWDEPTH 10 IN.
Jan 19, 7:42 AM ESTSNOW 42 Nnw Alba, MI12 HR TOTAL THRU 700 AM. SNOWDEPTH 9 IN.
Jan 19, 7:42 AM ESTSNOW 45 Se Mancelona, MI12 HR TOTAL THRU 800 AM. SNOWDEPTH 10 IN.
Jan 19, 8:00 AM ESTSNOW 2.3Kalkaska, MI12 HR TOTAL THRU 8 AM. SNOWDEPTH 5 IN.
Jan 19, 8:00 AM ESTSNOW 2.53 Ese Elmira, MI12 HR TOTAL THRU 8 AM. SNOWDEPTH 8 IN.
Jan 19, 8:00 PM ESTSNOW 31 N Roscommon, MI12 HR TOTAL THRU 8 PM. SNOWDEPTH 9 IN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 8.7 hours before the alert went out and 196 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.

Skew-T log-pSkew-T log-p diagram, Alpena, MI at 12:00Z on 2007-01-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2007-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KAPX 182042
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
342 PM EST THU JAN 18 2007

...HEAVY LAKE EFFECT SNOW EXPECTED ACROSS PORTIONS OF NORTHWEST
LOWER AND EASTERN UPPER LATE TONIGHT INTO EARLY SATURDAY...

.VERY COLD AIR MOVING ACROSS THE RELATIVELY WARMER WATERS OF LAKE
MICHIGAN AND LAKE SUPERIOR WILL RESULT IN SNOW SHOWERS ACROSS
NORTHERN MICHIGAN BEGINNING LATE TONIGHT THROUGH EARLY SATURDAY.
THE SNOW WILL BE HEAVY AT TIMES ACROSS PORTIONS OF NORTHWEST LOWER
INCLUDING THE GAYLORD...KALKASKA AND CHARLEVOIX AREAS...AS WELL AS
IN WESTERN CHIPPEWA COUNTY...INCLUDING PARADISE AND WHITEFISH
POINT.

MIZ008-191100-
/O.UPG.KAPX.LE.A.0001.070119T0500Z-070120T1200Z/
/O.NEW.KAPX.LE.W.0003.070119T0500Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
342 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST SATURDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL DEVELOP IN THE FAVORED NORTHWEST FLOW
SNOWBELTS OF WESTERN CHIPPEWA COUNTY LATE TONIGHT... AND CONTINUE
INTO SATURDAY MORNING. LOCALLY HEAVY SNOW IS POSSIBLE...WITH
ACCUMULATIONS OF 6 TO 12 INCHES BY SATURDAY MORNING...ESPECIALLY ACROSS
WESTERN SECTIONS OF THE COUNTY.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ019-021-022-027-028-191100-
/O.UPG.KAPX.LE.A.0001.070119T0500Z-070120T1200Z/
/O.NEW.KAPX.LE.W.0003.070119T0500Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
342 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST SATURDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL DEVELOP IN THE FAVORED NORTHWEST FLOW SNOWBELTS
OF NORTHERN LOWER MICHIGAN LATE TONIGHT... AND CONTINUE INTO
SATURDAY MORNING. LOCALLY HEAVY SNOW IS POSSIBLE...WITH
ACCUMULATIONS OF 6 TO 12 INCHES BY SATURDAY MORNING.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ020-191100-
/O.UPG.KAPX.LE.A.0001.070119T0500Z-070120T1200Z/
/O.NEW.KAPX.LE.Y.0004.070119T0500Z-070120T1200Z/
LEELANAU-
INCLUDING THE CITY OF...NORTHPORT
342 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST SATURDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL DEVELOP IN THE SNOWBELTS LATE TONIGHT...
AND CONTINUE INTO SATURDAY MORNING. LOCALLY HEAVY SNOW IS
POSSIBLE...WITH ACCUMULATIONS OF 4 TO 7 INCHES BY SATURDAY
MORNING.|

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$
8 follow-up statements
000 
WWUS43 KAPX 182056 CCA
WSWAPX

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE GAYLORD MI
356 PM EST THU JAN 18 2007

...HEAVY LAKE EFFECT SNOW EXPECTED ACROSS PORTIONS OF NORTHWEST
LOWER AND EASTERN UPPER LATE TONIGHT INTO EARLY SATURDAY...

.VERY COLD AIR MOVING ACROSS THE RELATIVELY WARMER WATERS OF LAKE
MICHIGAN AND LAKE SUPERIOR WILL RESULT IN SNOW SHOWERS ACROSS
NORTHERN MICHIGAN BEGINNING LATE TONIGHT THROUGH EARLY SATURDAY.
THE SNOW WILL BE HEAVY AT TIMES ACROSS PORTIONS OF NORTHWEST LOWER
INCLUDING THE GAYLORD...KALKASKA AND CHARLEVOIX AREAS...AS WELL AS
IN WESTERN CHIPPEWA COUNTY...INCLUDING PARADISE AND WHITEFISH
POINT.

MIZ008-191130-
/O.UPG.KAPX.LE.A.0001.070119T0500Z-070120T1200Z/
/O.NEW.KAPX.LE.W.0003.070119T0500Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
356 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST SATURDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL DEVELOP IN THE FAVORED NORTHWEST FLOW
SNOWBELTS OF WESTERN CHIPPEWA COUNTY LATE TONIGHT... AND CONTINUE
INTO SATURDAY MORNING. LOCALLY HEAVY SNOW IS POSSIBLE...WITH
ACCUMULATIONS OF 6 TO 12 INCHES BY SATURDAY MORNING...ESPECIALLY ACROSS
WESTERN SECTIONS OF THE COUNTY.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ019-021-022-027-028-191130-
/O.UPG.KAPX.LE.A.0001.070119T0500Z-070120T1200Z/
/O.NEW.KAPX.LE.W.0003.070119T0500Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
356 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A LAKE EFFECT
SNOW WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST SATURDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL DEVELOP IN THE FAVORED NORTHWEST FLOW SNOWBELTS
OF NORTHERN LOWER MICHIGAN LATE TONIGHT... AND CONTINUE INTO
SATURDAY MORNING. LOCALLY HEAVY SNOW IS POSSIBLE...WITH
ACCUMULATIONS OF 6 TO 12 INCHES BY SATURDAY MORNING.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ020-191130-
/O.UPG.KAPX.LE.A.0001.070119T0500Z-070120T1200Z/
/O.COR.KAPX.LE.Y.0004.070119T0500Z-070120T1200Z/
LEELANAU-
INCLUDING THE CITY OF...NORTHPORT
356 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
EST SATURDAY. THE LAKE EFFECT SNOW WATCH IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL DEVELOP IN THE SNOWBELTS LATE TONIGHT...
AND CONTINUE INTO SATURDAY MORNING. LOCALLY HEAVY SNOW IS
POSSIBLE...WITH ACCUMULATIONS OF 4 TO 7 INCHES BY SATURDAY
MORNING.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$
000 
WWUS43 KAPX 190405
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
1105 PM EST THU JAN 18 2007

...HEAVY LAKE EFFECT SNOW EXPECTED ACROSS PORTIONS OF NORTHWEST
LOWER AND EASTERN UPPER LATE TONIGHT INTO EARLY SATURDAY...

.VERY COLD AIR MOVING ACROSS THE RELATIVELY WARMER WATERS OF LAKE
MICHIGAN AND LAKE SUPERIOR WILL PRODUCE SNOW SHOWERS ACROSS NORTHERN
MICHIGAN OVERNIGHT THROUGH EARLY SATURDAY. THE SNOW WILL BECOME HEAVY
AT TIMES ON FRIDAY ACROSS PORTIONS OF NORTHWEST LOWER INCLUDING
THE GAYLORD...KALKASKA AND CHARLEVOIX AREAS...AS WELL AS WESTERN
CHIPPEWA COUNTY...INCLUDING PARADISE AND WHITEFISH POINT.

MIZ008-191100-
/O.CON.KAPX.LE.W.0003.070119T0500Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
1105 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY. 

LAKE EFFECT SNOW WILL DEVELOP IN THE FAVORED NORTHWEST FLOW SNOWBELTS
OF WESTERN CHIPPEWA COUNTY OVERNIGHT...AND CONTINUE INTO SATURDAY
MORNING. LOCALLY HEAVY SNOW IS EXPECTED...WITH TOTAL ACCUMULATIONS
OF 6 TO 12 INCHES BY SATURDAY MORNING...GREATEST ACCUMULATIONS
EXPECTED OVER THE FAR WESTERN SECTIONS OF THE COUNTY ESPECIALLY
AROUND WHITEFISH POINT AND PARADISE.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ019-021-022-027-028-191100-
/O.CON.KAPX.LE.W.0003.070119T0500Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
1105 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY. 

LAKE EFFECT SNOW WILL DEVELOP IN THE FAVORED NORTHWEST FLOW
SNOWBELTS OF NORTHERN LOWER MICHIGAN OVERNIGHT...AND CONTINUE
INTO SATURDAY MORNING. LOCALLY HEAVY SNOW IS EXPECTED...WITH
TOTAL ACCUMULATIONS OF 5 TO 10 INCHES BY SATURDAY MORNING AND
LOCALLY HIGHER AMOUNTS POSSIBLE.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ020-191100-
/O.CON.KAPX.LE.Y.0004.070119T0500Z-070120T1200Z/
LEELANAU-
INCLUDING THE CITY OF...NORTHPORT
1105 PM EST THU JAN 18 2007

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY. 

LAKE EFFECT SNOW WILL DEVELOP IN THE SNOWBELTS OVERNIGHT...AND
CONTINUE INTO SATURDAY MORNING. LOCALLY HEAVY SNOW IS
EXPECTED...WITH TOTAL ACCUMULATIONS OF 4 TO 7 INCHES BY SATURDAY
MORNING.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

ADAM
000 
WWUS43 KAPX 190907
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
407 AM EST FRI JAN 19 2007

...HEAVY LAKE EFFECT SNOW WILL OCCUR ACROSS PORTIONS OF NORTHWEST
LOWER AND EASTERN UPPER MICHIGAN...

.VERY COLD AIR MOVING ACROSS THE RELATIVELY WARMER WATERS OF LAKE
MICHIGAN AND LAKE SUPERIOR WILL CONTINUE TO RESULT IN SNOW SHOWERS
ACROSS NORTHERN MICHIGAN OVERNIGHT THROUGH EARLY SATURDAY. THE SNOW
WILL BE HEAVY AT TIMES...BEGINNING IN EASTERN UPPER TODAY...THEN
ACROSS PORTIONS OF NORTHERN LOWER TONIGHT.

MIZ008-192315-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
407 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW...HEAVY AT TIMES...WILL PERSIST INTO
SATURDAY MORNING RESULTING IN 6 TO 12 INCHES OF SNOW ACROSS MUCH
OF THE COUNTY. THE HEAVIEST SNOWS ARE EXPECTED IN THE FAR WESTERN
AREAS OF THE COUNTY...AROUND WHITEFISH POINT AND PARADISE. AREAS
OF BLOWING SNOW CAN ALSO BE EXPECTED.

THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT AND SATURDAY
MORNING...WITH THE BULK OF THE SNOWFALL OCCURRING TODAY AND THIS
EVENING.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ019-021-022-027-028-192315-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
407 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW...HEAVY AT TIMES THIS AFTERNOON AND
EVENING...WILL PERSIST INTO SATURDAY MORNING. TOTAL SNOWFALL OF 5
TO 10 INCHES OF SNOW WILL ACCUMULATE BY SATURDAY MORNING. IN
ADDITION...AREAS OF BLOWING SNOW CAN BE EXPECTED. THE HEAVIEST
SNOWS ARE EXPECTED AROUND CHARLEVOIX...GAYLORD AND BELLAIRE
TODAY...WHICH WILL SHIFT MORE TOWARD THE MANCELONA...KALKASKA AND
GRAYLING AREAS TONIGHT.

THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT AND SATURDAY
MORNING...WITH THE BULK OF THE SNOWFALL OCCURRING TODAY AND THIS
EVENING.

$$

MIZ020-192315-
/O.CON.KAPX.LE.Y.0004.000000T0000Z-070120T1200Z/
LEELANAU-
INCLUDING THE CITY OF...NORTHPORT
407 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW WILL PERSIST INTO SATURDAY
MORNING...RESULTING IN TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES.
THE HEAVIEST SNOW IS EXPECTED TO FALL IN THE LAKE LEELANAU AND
SUTTONS BAY AREAS.

THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT AND SATURDAY
MORNING...WITH THE BULK OF THE SNOWFALL OCCURRING TODAY AND THIS
EVENING.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

SD
000 
WWUS43 KAPX 191616
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
1116 AM EST FRI JAN 19 2007

...HEAVY LAKE EFFECT SNOW WILL OCCUR ACROSS PORTIONS OF NORTHERN
LOWER AND EASTERN UPPER MICHIGAN...

.VERY COLD AIR MOVING ACROSS THE RELATIVELY WARMER WATERS OF LAKE
MICHIGAN AND LAKE SUPERIOR WILL CONTINUE TO RESULT IN SNOW
SHOWERS ACROSS NORTHERN MICHIGAN OVERNIGHT THROUGH EARLY
SATURDAY. THE SNOW WILL CONTINUE TO BE HEAVY AT TIMES THROUGH
TONIGHT. IN ADDITION...WINDS WILL BE GUSTY LEADING TO AREAS OF
BLOWING SNOW.

MIZ008-192200-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
1116 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW...HEAVY AT TIMES...WILL PERSIST INTO
SATURDAY MORNING RESULTING IN 6 TO 12 INCHES OF SNOW ACROSS MUCH
OF THE COUNTY. THE HEAVIEST SNOWS ARE EXPECTED IN THE FAR WESTERN
AREAS OF THE COUNTY...AROUND WHITEFISH POINT AND PARADISE. AREAS
OF BLOWING SNOW CAN ALSO BE EXPECTED.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ019-021-022-027-028-192200-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
1116 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW...HEAVY AT TIMES...WILL PERSIST INTO
SATURDAY MORNING. TOTAL SNOWFALL OF 5 TO 10 INCHES WITH LOCALLY
HIGHER AMOUNTS OF SNOW WILL ACCUMULATE BY SATURDAY MORNING. IN
ADDITION...AREAS OF BLOWING SNOW CAN BE EXPECTED. THE HEAVIEST
SNOWS ARE EXPECTED AROUND CHARLEVOIX...GAYLORD AND BELLAIRE
TODAY...WHICH WILL SHIFT MORE TOWARD THE MANCELONA...KALKASKA AND
GRAYLING AREAS LATER TONIGHT.

$$

MIZ016>018-023-029-192200-
/O.EXB.KAPX.LE.Y.0004.000000T0000Z-070120T0000Z/
EMMET-CHEBOYGAN-PRESQUE ISLE-MONTMORENCY-OSCODA-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY...
ATLANTA...MIO
1116 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 7 PM EST THIS
EVENING...

PERIODS OF SNOW WITH AREAS OF BLOWING SNOW WILL CONTINUE INTO
EARLY THIS EVENING. THE SNOW IS THEN EXPECTED TO TAPER OFF
LATER THIS EVENING.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

MIZ026-032>034-192200-
/O.EXA.KAPX.LE.Y.0004.000000T0000Z-070120T1200Z/
GRAND TRAVERSE-WEXFORD-MISSAUKEE-ROSCOMMON-
INCLUDING THE CITIES OF...TRAVERSE CITY...CADILLAC...LAKE CITY...
HOUGHTON LAKE
1116 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A LAKE EFFECT
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST SATURDAY. 

PERIODS OF LAKE EFFECT SNOW WILL PERSIST THROUGH TONIGHT...RESULTING
IN TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES. IN ADDITION...THERE
WILL BE AREAS OF BLOWING SNOW.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

MIZ020-192200-
/O.CON.KAPX.LE.Y.0004.000000T0000Z-070120T1200Z/
LEELANAU-
INCLUDING THE CITY OF...NORTHPORT
1116 AM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW WILL PERSIST INTO SATURDAY 
MORNING...RESULTING IN TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES.
THE HEAVIEST SNOW IS EXPECTED TO FALL IN THE LAKE LEELANAU AND
SUTTONS BAY AREAS.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

AS
000 
WWUS43 KAPX 192120
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
420 PM EST FRI JAN 19 2007

...HEAVY LAKE EFFECT SNOW WILL CONTINUE ACROSS PORTIONS OF
NORTHERN LOWER AND EASTERN UPPER MICHIGAN...

.VERY COLD AIR MOVING ACROSS THE RELATIVELY WARMER WATERS OF LAKE
MICHIGAN AND LAKE SUPERIOR WILL CONTINUE TO RESULT IN SNOW
SHOWERS ACROSS NORTHERN MICHIGAN TONIGHT THROUGH EARLY SATURDAY.
THE SNOW WILL CONTINUE TO BE HEAVY AT TIMES. IN ADDITION...WINDS
WILL BE GUSTY LEADING TO AREAS OF BLOWING SNOW.

MIZ016>018-192230-
/O.CAN.KAPX.LE.Y.0004.000000T0000Z-070120T0000Z/
EMMET-CHEBOYGAN-PRESQUE ISLE-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY
420 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS CANCELLED THE LAKE
EFFECT SNOW ADVISORY. 

THE STEADIER SNOW HAS SHIFTED TO THE SOUTH OF THE TIP OF THE MIT.

$$

MIZ008-201100-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
420 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW...HEAVY AT TIMES...WILL PERSIST INTO
SATURDAY MORNING RESULTING IN TOTAL ACCUMULATIONS OF BETWEEN 6 AND 12
INCHES OF SNOW ACROSS MUCH OF THE COUNTY. THE HEAVIEST SNOWS ARE
EXPECTED IN THE FAR WESTERN AREAS OF THE COUNTY...AROUND WHITEFISH
POINT AND PARADISE. AREAS OF BLOWING SNOW CAN ALSO BE EXPECTED.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ019-021-022-027-028-201100-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
420 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW...HEAVY AT TIMES...WILL PERSIST INTO
SATURDAY MORNING. TOTAL ACCUMULATIONS WILL BE BETWEEN 5 AND 10
INCHES WITH LOCALLY HIGHER AMOUNTS BY SATURDAY MORNING. IN
ADDITION...AREAS OF BLOWING SNOW CAN BE EXPECTED. THE HEAVIEST
SNOWS ARE EXPECTED AROUND CHARLEVOIX...GAYLORD AND BELLAIRE
TODAY...WHICH WILL A SHIFT MORE TOWARD THE MANCELONA...KALKASKA
AND GRAYLING AREAS LATE TONIGHT.

$$

MIZ020-026-032>034-201100-
/O.CON.KAPX.LE.Y.0004.000000T0000Z-070120T1200Z/
LEELANAU-GRAND TRAVERSE-WEXFORD-MISSAUKEE-ROSCOMMON-
INCLUDING THE CITIES OF...NORTHPORT...TRAVERSE CITY...CADILLAC...
LAKE CITY...HOUGHTON LAKE
420 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

PERIODS OF LAKE EFFECT SNOW WILL PERSIST THROUGH TONIGHT...RESULTING
IN TOTAL ACCUMULATIONS OF 4 TO 7 INCHES. IN ADDITION...THERE WILL
BE AREAS OF BLOWING SNOW.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

MIZ023-029-200000-
/O.CON.KAPX.LE.Y.0004.000000T0000Z-070120T0000Z/
MONTMORENCY-OSCODA-
INCLUDING THE CITIES OF...ATLANTA...MIO
420 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
THIS EVENING...

PERIODS OF SNOW WITH AREAS OF BLOWING SNOW WILL CONTINUE INTO
EARLY THIS EVENING. ADDITIONAL ACCUMULATIONS OF BETWEEN 1 AND 3
INCHES CAN BE EXPECTED TONIGHT...MOST OF WHICH WILL FALL THROUGH
EARLY EVENING. THE SNOW IS EXPECTED TO TAPER OFF LATER THIS
EVENING.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

AS
000 
WWUS43 KAPX 200002
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
702 PM EST FRI JAN 19 2007

...HEAVY LAKE EFFECT SNOW WILL CONTINUE ACROSS PORTIONS OF
NORTHERN LOWER AND EASTERN UPPER MICHIGAN...

.VERY COLD AIR MOVING ACROSS THE RELATIVELY WARMER WATERS OF LAKE
MICHIGAN AND LAKE SUPERIOR WILL CONTINUE TO RESULT IN SNOW
SHOWERS ACROSS NORTHERN MICHIGAN TONIGHT THROUGH EARLY SATURDAY.
THE SNOW WILL CONTINUE TO BE HEAVY AT TIMES. IN ADDITION...WINDS
WILL BE GUSTY LEADING TO AREAS OF BLOWING SNOW.

MIZ023-029-200115-
/O.CAN.KAPX.LE.Y.0004.000000T0000Z-070120T0000Z/
MONTMORENCY-OSCODA-
INCLUDING THE CITIES OF...ATLANTA...MIO
702 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS CANCELLED THE LAKE
EFFECT SNOW ADVISORY. 

LAKE EFFECT SNOW SHOWERS WILL CONTINUE TO MOVE ACROSS PORTIONS OF
OSCODA AND MONTMORENCY COUNTIES THIS EVENING...ALONG WITH SOME
BLOWING AND DRIFTING SNOW. HOWEVER...ADDITIONAL SNOW ACCUMULATIONS
OF AN INCH OR LESS ARE EXPECTED IN MOST AREAS. THEREFORE THE
ADVISORY HAS BEEN CANCELLED.

$$

MIZ008-201100-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
702 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY. 

LAKE EFFECT SNOW SHOWERS...HEAVY AT TIMES...ALONG WITH AREAS OF BLOWING
SNOW WILL PERSIST INTO SATURDAY MORNING RESULTING IN TOTAL ACCUMULATIONS
OF BETWEEN 6 AND 12 INCHES OF SNOW. THE HEAVIEST SNOW SHOWERS AND
GREATEST ACCUMULATIONS ARE EXPECTED IN THE FAR WESTERN AREAS OF
THE COUNTY...AROUND WHITEFISH POINT AND PARADISE.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

MIZ019-021-022-027-028-201100-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
702 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY. 

LAKE EFFECT SNOW SHOWERS...HEAVY AT TIMES...ALONG WITH BLOWING AND
DRIFTING SNOW WILL PERSIST INTO SATURDAY MORNING. TOTAL ACCUMULATIONS
WILL RANGE BETWEEN 5 AND 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE BY SATURDAY MORNING. 

$$

MIZ020-026-032>034-201100-
/O.CON.KAPX.LE.Y.0004.000000T0000Z-070120T1200Z/
LEELANAU-GRAND TRAVERSE-WEXFORD-MISSAUKEE-ROSCOMMON-
INCLUDING THE CITIES OF...NORTHPORT...TRAVERSE CITY...CADILLAC...
LAKE CITY...HOUGHTON LAKE
702 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

A LAKE EFFECT SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY. 

LAKE EFFECT SNOW SHOWERS ALONG WITH AREAS OF BLOWING SNOW WILL
PERSIST THROUGH TONIGHT...RESULTING IN TOTAL ACCUMULATIONS OF 4 TO
7 INCHES.

A LAKE EFFECT SNOW ADVISORY MEANS LAKE EFFECT SNOW IS FORECAST
THAT WILL MAKE TRAVEL DIFFICULT IN SOME AREAS. SLOW DOWN AND
EXERCISE CAUTION IF TRAVELING.

$$

ADAM
000 
WWUS43 KAPX 200359
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
1059 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW SHOWERS DIMINISHING OVERNIGHT...

.AS HIGH PRESSURE BUILDS INTO THE WESTERN GREAT LAKES...LAKE EFFECT SNOW
SHOWERS WILL DIMINISH ACROSS THE SNOW BELTS OF NORTHERN MICHIGAN
OVERNIGHT. 

MIZ019-021-022-027-028-200500-
/O.CAN.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHARLEVOIX-ANTRIM-OTSEGO-KALKASKA-CRAWFORD-
INCLUDING THE CITIES OF...CHARLEVOIX...MANCELONA...GAYLORD...
KALKASKA...GRAYLING
1059 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS CANCELLED THE LAKE
EFFECT SNOW WARNING. 

LAKE EFFECT SNOW SHOWERS WILL CONTINUE ACROSS NORTHWEST LOWER
MICHIGAN OVERNIGHT. HOWEVER...HEAVY LAKE EFFECT SNOW IS NO LONGER
EXPECTED WITH ADDITIONAL OVERNIGHT ACCUMULATIONS OF ONLY AN INCH
OR TWO. THEREFORE...THE LAKE EFFECT SNOW WARNING HAS BEEN CANCELLED. 

$$

MIZ020-026-032>034-200500-
/O.CAN.KAPX.LE.Y.0004.000000T0000Z-070120T1200Z/
LEELANAU-GRAND TRAVERSE-WEXFORD-MISSAUKEE-ROSCOMMON-
INCLUDING THE CITIES OF...NORTHPORT...TRAVERSE CITY...CADILLAC...
LAKE CITY...HOUGHTON LAKE
1059 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS CANCELLED THE LAKE
EFFECT SNOW ADVISORY. 

LAKE EFFECT SNOW SHOWERS WILL CONTINUE ACROSS NORTHWEST LOWER
MICHIGAN OVERNIGHT. HOWEVER...HEAVY LAKE EFFECT SNOW IS NO LONGER
EXPECTED WITH ADDITIONAL OVERNIGHT ACCUMULATIONS OF AN INCH OR
LESS. THEREFORE...THE LAKE EFFECT SNOW ADVISORY HAS BEEN CANCELLED.

$$

MIZ008-201100-
/O.CON.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
1059 PM EST FRI JAN 19 2007

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

A LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY. 

A FEW BANDS OF HEAVY LAKE EFFECT SNOW WILL CONTINUE TO IMPACT THE
WESTERN PORTION OF CHIPPEWA COUNTY OVERNIGHT...PARTICULARLY AROUND
WHITEFISH POINT AND PARADISE. AN ADDITIONAL 1 TO 3 INCHES OF SNOW
IS POSSIBLE BY MORNING BRINGING TOTAL ACCUMULATIONS OF 4 AND 8
INCHES.

A LAKE EFFECT SNOW WARNING MEANS LOCALIZED HEAVY LAKE EFFECT SNOW
IS FORECAST THAT WILL MAKE TRAVEL VERY HAZARDOUS.

$$

ADAM
000 
WWUS43 KAPX 200843
WSWAPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
343 AM EST SAT JAN 20 2007

...LAKE EFFECT SNOW WINDING DOWN...

MIZ008-200945-
/O.CAN.KAPX.LE.W.0003.000000T0000Z-070120T1200Z/
CHIPPEWA-
INCLUDING THE CITY OF...SAULT STE. MARIE
343 AM EST SAT JAN 20 2007

...LAKE EFFECT SNOW WARNING IS CANCELLED...

DRIER AIR HAS SPREAD INTO CHIPPEWA COUNTY AND THE INTENSITIES OF
THE LAKE EFFECT SNOW HAVE DIMINISHED. 

NUMEROUS LIGHT SNOW SHOWERS WILL CONTINUE THIS MORNING...BUT WILL
THEN BECOME SCATTERED BY AFTERNOON. ADDITIONAL ACCUMULATIONS WILL
GENERALLY BE LESS THAN AN INCH.

$$

SD

What forecasters said that day

The local office's own words before this lake effect snow warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gaylord, MI wrote its last area forecast discussion before this lake effect snow warning went out at Jan 18, 10:00 AM EST, 5 hours 42 minutes earlier.

Area forecast discussion, Jan 18, 10:00 AM EST, 5 hours 42 minutes before
AREA FORECAST DISCUSSION...CORRECTED TO REMOVE GALE WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1000 AM EST THU JAN 18 2007

.UPDATE...AS SEEN ON IR IMAGERY THIS MORNING...A WELL-DEFINED
SHORTWAVE WAS LIFTING INTO CENTRAL UPPER MI. COMMA-HEAD CLOUD WAS
PRODUCING LIGHT SNOW ACROSS ROUGHLY THE NE HALF OF THE FORECAST
AREA...WITH CONVECTIVE-LOOKING SNOW IN THE SW HALF. PRECIP TRENDS
ARE THE MAIN CONCERN FOR TODAY. WILL ALSO TAKE A SNEAK PEEK AT
TONIGHT.

TODAY...SNOW IS CLEARLY GETTING A CONVECTIVE BOOST FROM LAKE MI...
AND WITH DELTA T/S IN THE MID TEENS THAT IS EXPECTED. MORE
SUBSTANTIAL SNOW HAS STARTED SOONER THAN PLANNED...AND UPSTREAM
TRENDS FROM GRB RADAR SUPPORT SNOW CONTINUING THRU AT LEAST MID
AFTERNOON. WILL BOOST POPS AND INCREASE SNOW AMOUNTS...ESPECIALLY
NEAR LAKE MI AND MOST ESPECIALLY TVC/CAD AND WEST. 2-3 INCHES TODAY
WILL WORK THERE...LESS TO THE NORTH AND EAST.

A FIRST LOOK AT TONIGHT...THINGS DO NOT LOOK ESPECIALLY IMPRESSIVE.
THE REALLY COLD AND UNSTABLE AIR DOES NOT ARRIVE TIL FRIDAY. THERE
SHOULD BE A RESPECTABLE BURST OF SNOW AFTER MIDNIGHT AS THE KICKER
SHORTWAVE ARRIVES...BUT THE DURATION WILL BE FAIRLY SHORT. MY INITAL
THINKING IS 1-3 INCHES IN THE SNOWBELTS...PERHAPS MORE IN NW
CHIPPEWA WHERE MOISTURE WILL BE DEEPEST. WILL OBVIOUSLY REASSESS AS
ADDITIONAL DATA (LIKE THE GFS) ARRIVES.

ZOLTOWSKI

&&

.PREV DISCUSSION ISSUED 402 AM THU JAN 18...

SURFACE/IR SAT/WATER VAPOR ANALYSIS THIS MORNING SHOWS SHORTWAVE
WHICH ORIGINATED IN THE 4 CORNERS REGION...NOW PUSHING INTO THE
WESTERN GREAT LAKES REGION. 00Z SOUNDINGS SHOW MOISTURE ONLY
EXTENDING UP TO AROUND 925MB WITH THIS FEATURE...WITH A STRONG CORE
OF DRY AIR IN THE 900-700MB LAYER. THEN LOOKING INTO THE MID
LEVELS...MOISTURE INCREASES AGAIN. OVERALL LOOK TO OBSERVED AND
MODEL SOUNDINGS WOULD SEEM TO SUGGEST A MORE LIKELIHOOD OF FREEZING
DRIZZLE...BUT CONSIDERING THE POTENTIAL SEEDER/FEEDER PROCESSES...IT
APPEARS LIKELY THAT THIS HAS BEEN ENOUGH OF A FACTOR TO PRODUCE SOME
VERY LIGHT SNOWS. HENCE...THE REPORTS OUT OF WISCONSIN AND ILLINOIS
REPORTING LIGHT SNOW AT THE MOMENT.  WITH 850MB TEMPS RUNNING AROUND
-9C AT THE MOMENT...LAKE PROCESSES ARE CERTAINLY HELPING THE LOW
LEVEL CLOUDINESS...WITH A THICK SHIELD OF OVERCAST SKIES ALREADY
ENGULFING NORTHWEST LOWER AND MOST OF EASTERN UPPER MICHIGAN WITH
THE SOUTHWEST FLOW. BAND OF PRECIPITATION ASSOCIATED WITH SOME
ISENTROPIC ASCENT WORKING ITS WAY ACROSS SOUTHERN LAKE MICHIGAN AND
NOW WORKING INTO SOUTHERN LOWER MICHIGAN. VALPARAISO WAS DOWN TO
1/2SM WITH SNOW THIS MORNING...AND THE BAND APPEARS TO BE HOLDING
TOGETHER QUITE WELL. MEANWHILE...SECONDARY SHORTWAVE IS FOLLOWING
CLOSELY ON THE HEELS OF THE FIRST...WITH A COLD FRONT PULLING A
REINFORCING SHOT OF ARCTIC AIR SOUTHWARD OUT OF CANADA. FORECAST
CONCERNS WILL DEAL WITH INITIAL SHORTWAVE AND POTENTIAL LAKE
ENHANCEMENT IN SOUTHWEST FLOW AREAS TODAY...THEN LAKE
EFFECT/ENHANCEMENT POTENTIAL WITH SECOND SHORTWAVE TONIGHT.
FINALLY...WILL SEE A TRANSITIONAL PERIOD TO PURE LES FRIDAY
MORNING...CONTINUING THROUGH SATURDAY MORNING.

TODAY...INITIAL SHORTWAVE TRACKS ACROSS NORTHERN LOWER MICHIGAN.
MOISTURE APPEARS TO BE A VERY LIMITING FACTOR EARLY ON THIS MORNING
WITH REGARDS TO PRECIPITATION POTENTIAL. HOWEVER...WITH BAND OF
PRECIPITATION SPREADING NORTHWARD AT THE MOMENT...MOST AREAS WILL
MOST A PERIOD OF LIGHT SNOW TODAY.  DRY AIR IN THE 900-700MB LAYER
WILL DISAPPEAR BY MIDDAY WITH WIDESPREAD PRECIPITATION BECOMING MORE
LIKELY. SEEDER/FEEDER PROCESSES ARE CERTAINLY HELPING THE BAND OF
SNOW SHOWERS AS IT LIFTS NORTHWARD TOWARDS THE AREA THIS MORNING AS
WELL. AS SHORTWAVE PASSES THROUGH AROUND MIDDAY...MODEL SOUNDINGS
BRIEFLY SATURATE UP TO 600MB INTERSECTING THE -15C ISOTHERM. THIS
WOULD SUGGEST A PERIOD OF LAKE ENHANCED SNOW SHOWERS NEAR LAKE
MICHIGAN WITH THE PREVALENT SOUTHWEST FLOW OFF THE LAKE...AND
PERHAPS A SHOT OF PRECIPITATION ACROSS THE ENTIRE AREA. HOWEVER...BY
LATE AFTERNOON...800-600MB MOISTURE STRIPS OUT...TRANSITIONING TO
PURELY LES BY THIS EVENING. HIGH TEMPERATURES WILL TOP OUT IN THE
MIDDLE TO UPPER 20S TODAY.

TONIGHT...WILL START THE NIGHT WITH PURE SOUTHWEST LES. SECONDARY
SHORTWAVE REACHES NORTHERN MICHIGAN AROUND THE MIDNIGHT HOUR. AS
SURFACE COLD FRONT PASSES THROUGH...WINDS WILL VEER TO THE NORTHWEST
BY FRIDAY MORNING. AS SHORTWAVE/COLD FRONT SLIPS BY...A PERIOD OF
LAKE ENHANCED SNOW SHOWERS WILL BE SEEN. HOWEVER...WITH  THE VEERING
WINDS OVERNIGHT...NOT LOOKING FOR LARGE ACCUMULATIONS DURING THE
OVERNIGHT PERIOD. GENERALLY A 1-3 INCH AMOUNTS LOOK LIKELY WITH THE
HIGHEST AMOUNTS OCCURING AROUND CHARLEVOIX COUNTY...IF A CONNECTION
TO GREEN BAY CAN BE ESTABLISHED WITH THE LES. EVEN WITH THE PASSAGE
OF THE COLD FRONT TONIGHT...THE CLOUDS AND PRECIPITATION...WILL KEEP
TEMPERATURES FROM DROPPING BELOW THE UPPER TEENS TO LOWER 20S.

FRIDAY AND FRIDAY NIGHT...MODELS DIFFER SLIGHTLY ON HOW LOCKED IN
THE WINDS GET IN THE NORTHWEST FLOW SETUP. GFS IS LESS FAVORABLE FOR
LARGE SNOWFALL ACCUMULATIONS WITH WINDS CONTINUING TO VEER TO ALMOST
A NORTH-NORTHWEST DIRECTION BY FRIDAY EVENING. THE NAM LOOKS MORE
LOCKED IN WITH A NEARLY CONSTANT NORTHWEST FLOW. A FEW FACTORS OTHER
FACTORS ARE FAIRLY FAVORABLE FOR LES...SUCH AS INVERSION HEIGHTS
6-7KFT AND MOISTURE INTERSECTING THE -15C ISOTHERM FOR GOOD
DENDRITIC SNOWFLAKE PRODUCTION. FRIDAY WILL BE PRIMARILY PURE
LES...AS MOISTURE ABOVE THE INVERSION QUICKLY DRIES OUT AS THE
THURSDAY NIGHT SHORTWAVE PULLS OUT VERY EARLY FRIDAY MORNING. NOT
GREAT POTENTIAL FOR LARGE ACCUMULATIONS DURING THE DAY ON FRIDAY
WITH THE VEERING WINDS...AND DIURNAL DISRUPTIONS PLAYING A ROLE IN
CUTTING DOWN ON PERSISTENT BANDING. HOWEVER...ONCE WE LOSE THE
DIURNAL DISRUPTIONS FRIDAY NIGHT...WE COULD SEE AT LEAST 3-6 INCHES
OF SNOW ACCUMULATION FRIDAY NIGHT. BY SATURDAY MORNING...6 TO 12
INCHES OF SNOW STILL SEEM PLAUSIBLE. HOWEVER...NOT CONFIDENT ENOUGH
AT THIS POINT TO GO WITH A WARNING WITH THE WHOLE ISSUE OF VEERING
WINDS AND LACK OF SYNOPTIC SCALE SUPPORT. HIGHS WILL BE MUCH COLDER
WITH COLD AIR ADVECTION KEEPING TEMPERATURES FAIRLY STEADY DURING
THE DAY. BY FRIDAY NIGHT...AREAS THAT MISS OUT ON LAKE EFFECT SNOW
MAY REACH THE SINGLE DIGITS FOR LOWS WITH THE LACK OF CLOUD COVER.

SATURDAY...AS IS OFTEN THE CASE WITH THE MODELS...THEY REALLY TRY TO
SUPPRESS LAKE EFFECT SNOWS BY SATURDAY MORNING AS SURFACE RIDGING
TRIES TO WORK INTO THE GREAT LAKES REGION. HOWEVER...EVEN WITH THE
BOUNDARY LAYER BEGINNING TO WARM...850MB TEMPS WILL STILL BE AROUND
-12C BY SATURDAY EVENING. RIDGE AXIS SATURDAY EVENING REMAINS JUST
TO THE WEST OF NORTHERN MICHIGAN. WOULD EXPECT LAKE EFFECT
PRECIPITATION TO CONTINUE THROUGH SATURDAY MORNING AND MOST OF THE
AFTERNOON...BUT SHOULD SHOW A MUCH MORE SUBSTANTIAL WEAKENING TREND
BY LATE SATURDAY AFTERNOON.

KAS

SATURDAY NIGHT ONWARD...ALL MODELS POINTING AT A DRY PERIOD SATURDAY
NIGHT AS SFC HIGH PRESSURE SWEEPS EAST OF THE AREA AND ANTICYCLONIC
FLOW AND LOWERING INVERSION HEIGHTS/DRYING AIR MASS WILL LIKELY JUST
LEAD TO FLURRIES IN SOUTHWEST FLOW REGIMES (AS WINDS ARE BACKING IN
THE 1000-850MB LAYER). ATTENTION IN THE EXTENDED THEN TURNS TO THE
DEVELOPMENT OF THE LONGWAVE UPPER TROUGH INTO EARLY NEXT WORK WEEK
WHICH IS SHOWING SIMILAR CHARACTERISTICS TO OUR CURRENT (TODAY
THROUGH FRIDAY) SCENARIO. A SRN STREAM WAVE MOVES ACROSS THE REGION
SUNDAY WHILE REINFORCING NRN STREAM ENERGY DIVES INTO THE CENTRAL
CONUS RESULTING IN A SHARPENING OF THE UPPER LEVEL LONGWAVE TROUGH.
ALTHOUGH ECMWF/GFS IN PRETTY GOOD AGREEMENT WITH THE OVERALL IDEA
AND SFC LOW POSITION OVER NRN MICHIGAN MONDAY AFTERNOON/EVENING...
TIMING AND STRENGTH OF FEATURES ARE LIKELY TO CHANGE WITH TIME. WILL
KEEP THINGS GENERAL FOR NOW AND KEEP CHANCES OF SNOW GOING FOR ALL
AREAS SUNDAY INTO MONDAY. DOES APPEAR THAT A GENERAL TROUGH HOLDS
ACROSS THE GREAT LAKES...RESULTING IN LITTLE AIR MASS MODIFICATION
(KEEPING US ON THE COLD SIDE)...AND DECENT CHANCES FOR LAKE EFFECT
AND LAKE ENHANCED SNOW. CHANCES WOULD SEEMINGLY BE BEST (UNDER
CURRENT FORECAST GUIDANCE) IN THE SW FLOW REGIMES. MORE TYPICAL NW
FLOW REGIMES COULD GET IN ON THINGS TUESDAY/TUESDAY NIGHT (SIMILAR
TO FRIDAY/FRIDAY NIGHT FORECAST SNOWS). HOWEVER...THESE FINER
DETAILS ARE WAY TO DIFFICULT TO PINPOINT...OR HAVE ANY REAL SOLID
CONFIDENCE IN AT THIS TIME.       SMD

&&

.APX...WATCHES/WARNINGS/ADVISORIES...

LAKE EFFECT SNOW WATCH LATE TONIGHT THROUGH EARLY SATURDAY...
     MIZ008-019>22-027-028.

&&
Hazardous weather outlook, Jan 18, 10:31 AM EST, 5 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GAYLORD MI
1031 AM EST THU JAN 18 2007

LHZ345>349-361-362-LMZ323-341-342-344-345-363-LSZ321-322-MIZ008-
015>036-041-042-191100-
STRAITS OF MACKINAC-ST IGNACE TO FALSE DETOUR CHANNEL-
MACKINAC BRDG TO PRESQUE ISLE LT-PRESQUE ISLE LT TO STURGEON PT-
STURGEON PT TO ALABASTER-MICHIGAN WATERS OF NORTHERN LAKE HURON-
MICHIGAN WATERS OF CENTRAL LAKE HURON-GRAND TRAVERSE BAY-
SEUL CHOIX PT TO MACKINAC BRDG-NORWOOD TO MACKINAC BRDG-
SLEEPING BEAR PT TO GRAND TRAVERSE LT-MANISTEE TO SLEEPING BEAR PT-
MICHIGAN WATERS OF NORTHERN LAKE MICHIGAN-WHITEFISH BAY-
ST. MARYS RIVER-CHIPPEWA-MACKINAC-EMMET-CHEBOYGAN-PRESQUE ISLE-
CHARLEVOIX-LEELANAU-ANTRIM-OTSEGO-MONTMORENCY-ALPENA-BENZIE-
GRAND TRAVERSE-KALKASKA-CRAWFORD-OSCODA-ALCONA-MANISTEE-WEXFORD-
MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-GLADWIN-ARENAC-
1031 AM EST THU JAN 18 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON...LAKE
MICHIGAN...LAKE SUPERIOR...EASTERN UPPER MICHIGAN AND NORTHERN LOWER
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

LIGHT ACCUMULATIONS OF SNOW WILL OCCUR TODAY...ESPECIALLY FROM
CADILLAC TO TRAVERSE CITY AND POINTS WEST...INCLUDING THE LEELANAU.

A SURGE OF ARCTIC AIR WILL SWEEP INTO NORTHERN MICHIGAN LATE
TONIGHT...WITH LAKE EFFECT SNOW SHOWERS EXPECTED TO DEVELOP ACROSS
CHIPPEWA COUNTY IN EASTERN UPPER MICHIGAN AND WEST OF I-75 IN
NORTHERN LOWER MICHIGAN. ACCUMULATIONS ARE EXPECTED. SEE ONGOING
WATCH FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

LAKE EFFECT SNOW SHOWERS WILL CONTINUE ACROSS CHIPPEWA COUNTY IN
EASTERN UPPER MICHIGAN AND WEST OF I-75 IN NORTHERN LOWER MICHIGAN
FROM FRIDAY...THROUGH EARLY SATURDAY MORNING. THE POTENTIAL
EXISTS FOR HEAVY SNOW ACCUMULATIONS FRIDAY AND FRIDAY NIGHT. SEE
ONGOING WATCH FOR FURTHER DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS AND EMERGENCY MANAGERS...PLEASE RELAY SNOWFALL REPORTS TO
THE NATIONAL WEATHER SERVICE.

JZ

In the hours before

Local storm report, Jan 18, 12:54 PM EST, 2 hours 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
1254 PM EST THU JAN 18 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1253 PM     SNOW             MANISTEE                44.24N 86.33W
01/18/2007  M1.7 INCH        MANISTEE           MI   TRAINED SPOTTER

            12 HR TOTAL THRU 1 PM. SNOWDEPTH 5 INCHES.

&&

JZ

The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 18, 3:42 PM ESTLake Effect Snow AdvisoryAPXCheboygan, Emmet, Grand Traverse, Leelanau, Missaukee, Montmorency and 4 more31 hr

Nearby

Lake Effect Snow Warnings in Michigan, 2007Every lake effect snow warning in 2007

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.