803  
WWUS41 KBUF 201003 CCA  
WSWBUF  
 
URGENT - WINTER WEATHER MESSAGE...CORRECTED  
NATIONAL WEATHER SERVICE BUFFALO NY  
503 AM EST MON JAN 20 2025  
 
NYZ001>003-201815-  
/O.UPG.KBUF.WW.Y.0006.000000T0000Z-250120T2100Z/  
/O.EXB.KBUF.LE.W.0002.250120T0840Z-250120T2100Z/  
NIAGARA-ORLEANS-MONROE-  
INCLUDING THE CITIES OF NIAGARA FALLS, MEDINA, AND ROCHESTER  
503 AM EST MON JAN 20 2025  
 
...LAKE EFFECT SNOW WARNING IN EFFECT UNTIL 4 PM EST THIS  
AFTERNOON...  
 
* WHAT...HEAVY LAKE EFFECT SNOW. ADDITIONAL SNOW ACCUMULATIONS 4 TO  
8 INCHES IN THE MOST PERSISTENT LAKE SNOWS. THE GREATEST AMOUNTS  
WILL BE NORTH OF ROUTE 104.  
 
* WHERE...NIAGARA, ORLEANS, AND MONROE COUNTIES.  
 
* WHEN...UNTIL 4 PM EST THIS AFTERNOON.  
 
* IMPACTS...TRAVEL WILL BE DIFFICULT WITH SLIPPERY, SNOW COVERED  
ROADWAYS. THE HAZARDOUS CONDITIONS WILL IMPACT THE MONDAY MORNING  
COMMUTE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DURING LAKE EFFECT SNOW, THE WEATHER CAN VARY FROM BANDS OF LOCALLY  
HEAVY SNOW WITH GREATLY REDUCED VISIBILITIES TO DRY CONDITIONS JUST  
A FEW MILES AWAY. BE PREPARED FOR RAPID CHANGES IN WEATHER,  
VISIBILITY, AND ROAD CONDITIONS.  
 

 
 

 
 
NYZ012-020-085-201815-  
/O.CON.KBUF.LE.W.0002.000000T0000Z-250122T1500Z/  
WYOMING-CATTARAUGUS-SOUTHERN ERIE-  
INCLUDING THE CITIES OF WARSAW, OLEAN, ORCHARD PARK, AND  
SPRINGVILLE  
503 AM EST MON JAN 20 2025  
 
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST  
WEDNESDAY...  
 
* WHAT...HEAVY LAKE EFFECT SNOW. ADDITIONAL SNOW ACCUMULATIONS 1 TO  
2 FEET IN THE MOST PERSISTENT LAKE SNOWS. THE GREATEST AMOUNTS ARE  
EXPECTED FROM FAR NORTHWESTERN CATTARAUGUS COUNTY...ACROSS SOME OF  
THE BUFFALO SOUTHTOWNS SUCH AS HAMBURG, ORCHARD PARK, AND EAST  
AURORA...TO FAR NORTHWESTERN WYOMING COUNTY.  
 
* WHERE...WYOMING, CATTARAUGUS, AND SOUTHERN ERIE COUNTIES.  
 
* WHEN...UNTIL 10 AM EST WEDNESDAY.  
 
* IMPACTS...TRAVEL WILL BE VERY DIFFICULT VERY POOR VISIBILITY AND  
DEEP SNOW COVER ON ROADS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
HEAVY SNOW WILL FALL IN RELATIVELY NARROW BANDS. IF TRAVELING, BE  
PREPARED FOR RAPIDLY CHANGING ROAD CONDITIONS AND VISIBILITIES.  
 
SUBMIT SNOW REPORTS THROUGH OUR WEBSITE OR SOCIAL MEDIA.  
 

 
 

 
 
NYZ019-201815-  
/O.CON.KBUF.LE.W.0002.000000T0000Z-250122T1500Z/  
CHAUTAUQUA-  
INCLUDING THE CITIES OF JAMESTOWN  
503 AM EST MON JAN 20 2025  
 
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST  
WEDNESDAY...  
 
* WHAT...HEAVY LAKE EFFECT SNOW. ADDITIONAL SNOW ACCUMULATIONS 10 TO  
20 INCHES IN THE MOST PERSISTENT LAKE SNOWS ACROSS THE NORTHERN  
HALF OF THE COUNTY. WINDS GUSTING AS HIGH AS 35 MPH WILL ALSO  
PRODUCE SOME LOCALIZED BLOWING AND DRIFTING SNOW NEAR THE  
LAKESHORE.  
 
* WHERE...CHAUTAUQUA COUNTY, MAINLY ACROSS THE NORTHERN HALF OF THE  
COUNTY.  
 
* WHEN...UNTIL 10 AM EST WEDNESDAY.  
 
* IMPACTS...TRAVEL WILL BE VERY DIFFICULT WITH VERY POOR VISIBILITY  
AND DEEP SNOW COVER ON ROADS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
HEAVY SNOW WILL FALL IN RELATIVELY NARROW BANDS. IF TRAVELING, BE  
PREPARED FOR RAPIDLY CHANGING ROAD CONDITIONS AND VISIBILITIES.  
 
SUBMIT SNOW REPORTS THROUGH OUR WEBSITE OR SOCIAL MEDIA.  
 

 
 

 
 
NYZ010-011-201815-  
/O.COR.KBUF.LE.W.0002.250120T1500Z-250122T0900Z/  
NORTHERN ERIE-GENESEE-  
INCLUDING THE CITIES OF BUFFALO AND BATAVIA  
503 AM EST MON JAN 20 2025  
 
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 10 AM THIS  
MORNING TO 4 AM EST WEDNESDAY...  
 
* WHAT...HEAVY LAKE EFFECT SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS  
10 TO 20 INCHES IN THE MOST PERSISTENT LAKE SNOWS, WITH THE  
GREATEST ACCUMULATIONS FROM SOUTH BUFFALO ACROSS THE BUFFALO  
SOUTHTOWNS INTO SOUTHWESTERN GENESEE COUNTY.  
 
* WHERE...NORTHERN ERIE AND GENESEE COUNTIES, MAINLY FROM SOUTH  
BUFFALO AND THE BUFFALO SOUTHTOWNS EASTWARD ACROSS SOUTHERN  
GENESEE COUNTY.  
 
* WHEN...FROM 10 AM THIS MORNING TO 4 AM EST WEDNESDAY.  
 
* IMPACTS...TRAVEL WILL BE VERY DIFFICULT WITH VERY POOR VISIBILITY  
AND DEEP SNOW COVER ON ROADS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
HEAVY SNOW WILL FALL IN RELATIVELY NARROW BANDS. IF TRAVELING, BE  
PREPARED FOR RAPIDLY CHANGING ROAD CONDITIONS AND VISIBILITIES.  
 
SUBMIT SNOW REPORTS THROUGH OUR WEBSITE OR SOCIAL MEDIA.  
 

 
 

 
 
NYZ006-201815-  
/O.CON.KBUF.LE.W.0002.250120T1800Z-250122T1800Z/  
OSWEGO-  
INCLUDING THE CITIES OF OSWEGO  
503 AM EST MON JAN 20 2025  
 
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 1 PM EST WEDNESDAY...  
 
* WHAT...HEAVY LAKE EFFECT SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 1  
TO 2 FEET IN THE MOST PERSISTENT LAKE SNOWS, MAINLY ACROSS THE  
NORTHERN HALF OF THE COUNTY.  
 
* WHERE...OSWEGO COUNTY.  
 
* WHEN...FROM 1 PM THIS AFTERNOON TO 1 PM EST WEDNESDAY.  
 
* IMPACTS...TRAVEL WILL BE VERY DIFFICULT WITH VERY POOR VISIBILITY  
AND DEEP SNOW COVER ON ROADS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DURING LAKE EFFECT SNOW, THE WEATHER CAN VARY FROM BANDS OF LOCALLY  
HEAVY SNOW WITH GREATLY REDUCED VISIBILITIES TO DRY CONDITIONS JUST  
A FEW MILES AWAY. BE PREPARED FOR RAPID CHANGES IN WEATHER,  
VISIBILITY, AND ROAD CONDITIONS.  
 

 
 

 
 
NYZ007-008-201815-  
/O.CON.KBUF.LE.W.0002.250120T1800Z-250122T1200Z/  
JEFFERSON-LEWIS-  
INCLUDING THE CITIES OF WATERTOWN AND LOWVILLE  
503 AM EST MON JAN 20 2025  
 
...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 7 AM EST WEDNESDAY...  
 
* WHAT...HEAVY LAKE EFFECT SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 2  
TO 3 FEET IN THE MOST PERSISTENT LAKE SNOWS, WITH THE GREATEST  
ACCUMULATIONS FROM THE NORTHERN PORTION OF THE TUG HILL TO THE  
WATERTOWN AREA.  
 
* WHERE...JEFFERSON AND LEWIS COUNTIES. THE HEAVIEST AND MOST  
IMPACTFUL SNOWFALL IS EXPECTED BETWEEN MONDAY NIGHT AND TUESDAY  
NIGHT.  
 
* WHEN...FROM 1 PM THIS AFTERNOON TO 7 AM EST WEDNESDAY.  
 
* IMPACTS...TRAVEL WILL BE VERY DIFFICULT WITH VERY POOR VISIBILITY  
AND DEEP SNOW COVER ON ROADS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
HEAVY SNOW WILL FALL IN RELATIVELY NARROW BANDS. IF TRAVELING, BE  
PREPARED FOR RAPIDLY CHANGING ROAD CONDITIONS AND VISIBILITIES.  
 
SUBMIT SNOW REPORTS THROUGH OUR WEBSITE OR SOCIAL MEDIA.  
 

 
 

 
 
NYZ004-005-201815-  
/O.CON.KBUF.WW.Y.0006.000000T0000Z-250121T0000Z/  
WAYNE-NORTHERN CAYUGA-  
INCLUDING THE CITIES OF NEWARK AND FAIR HAVEN  
503 AM EST MON JAN 20 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS  
EVENING...  
 
* WHAT...LAKE EFFECT SNOW. ADDITIONAL SNOW ACCUMULATIONS 4 TO 8  
INCHES IN THE MOST PERSISTENT LAKE SNOWS, WITH THE GREATEST  
AMOUNTS NORTH OF ROUTE 104.  
 
* WHERE...WAYNE AND NORTHERN CAYUGA COUNTIES.  
 
* WHEN...UNTIL 7 PM EST THIS EVENING.  
 
* IMPACTS...PLAN ON SNOW COVERED ROADS AND SLIPPERY ROAD CONDITIONS.  
THE HAZARDOUS CONDITIONS WILL IMPACT THE MONDAY MORNING AND  
EVENING COMMUTES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
LAKE EFFECT SNOW WILL FALL IN RELATIVELY NARROW BANDS. IF TRAVELING,  
BE PREPARED FOR RAPIDLY CHANGING ROAD CONDITIONS AND VISIBILITIES.  
 
SUBMIT SNOW REPORTS THROUGH OUR WEBSITE OR SOCIAL MEDIA.  
 

 
 

 
 
JJR  
 
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