Jump to content
  • Member Statistics

    17,609
    Total Members
    7,904
    Most Online
    NH8550
    Newest Member
    NH8550
    Joined

1/5-1/6 clipper system


Thundersnow12

Recommended Posts

  • Replies 1k
  • Created
  • Last Reply

 

 

MESOSCALE DISCUSSION 0028

NWS STORM PREDICTION CENTER NORMAN OK

0629 PM CST MON JAN 05 2015

AREAS AFFECTED...EASTERN IA/NORTH-CENTRAL IL TO CENTRAL

INDIANA/SOUTHWEST OH

CONCERNING...HEAVY SNOW

VALID 060029Z - 060530Z

SUMMARY...MODERATE TO HEAVY SNOW WILL CONTINUE TO DEVELOP

EAST-SOUTHEASTWARD TONIGHT FROM EASTERN IA /INCLUDING I-80 CORRIDOR/

AND NORTHWEST IL INTO CENTRAL PORTIONS OF IL AND INDIANA /ESPECIALLY

ALONG AND NORTH OF THE I-74 CORRIDOR/ INTO SOUTHWEST OH BY LATE

EVENING/OVERNIGHT. SNOWFALL RATES WILL LOCALLY EXCEED 1 IN/HR.

DISCUSSION...A CLIPPER-TYPE AMPLIFYING SHORTWAVE TROUGH CURRENTLY

OVER THE MIDDLE MO VALLEY WILL CONTINUE TO RACE SOUTHEASTWARD AND

REACH THE MIDDLE OH RIVER VALLEY LATE TONIGHT/EARLY TUESDAY. WITHIN

A COLD AIR MASS...RELATED DPVA AND PRECEDING STRONG WARM

ADVECTION/FRONTOGENETICAL FORCING WILL CONTRIBUTE TO AMPLE FORCING

FOR ASCENT SUPPORTIVE OF MODERATE/LOCALLY HEAVY SNOWFALL

PARTICULARLY TO THE NORTH/NORTHEAST OF A WEAK SURFACE

LOW/EASTWARD-EXTENDING WARM FRONT. THIS WILL RESULT IN A WNW-ESE

ORIENTED CORRIDOR OF MODERATE TO HEAVY SNOWFALL...ESPECIALLY FOR A

3-6 HOUR DURATION...FROM EASTERN IA/NORTHWEST IL INTO

CENTRAL/EAST-CENTRAL IL...AND PORTIONS OF CENTRAL INDIANA/SOUTHWEST

OH BY LATE EVENING/OVERNIGHT. WITH SINGLE DIGIT TEMPERATURES /F/

PREVALENT...RELATIVELY HIGH SNOW-TO-LIQUID RATIOS /AS HIGH AS 25:1/

WILL FURTHER ENHANCE SNOWFALL TOTALS.

 

post-4544-0-47105600-1420504779_thumb.gi

Link to comment
Share on other sites

Hot off the press from the SREF prediction center 

 

 

MESOSCALE DISCUSSION 0028
NWS STORM PREDICTION CENTER NORMAN OK
0629 PM CST MON JAN 05 2015

AREAS AFFECTED...EASTERN IA/NORTH-CENTRAL IL TO CENTRAL
INDIANA/SOUTHWEST OH

CONCERNING...HEAVY SNOW

VALID 060029Z - 060530Z

SUMMARY...MODERATE TO HEAVY SNOW WILL CONTINUE TO DEVELOP
EAST-SOUTHEASTWARD TONIGHT FROM EASTERN IA /INCLUDING I-80 CORRIDOR/
AND NORTHWEST IL INTO CENTRAL PORTIONS OF IL AND INDIANA /ESPECIALLY
ALONG AND NORTH OF THE I-74 CORRIDOR/ INTO SOUTHWEST OH BY LATE
EVENING/OVERNIGHT. SNOWFALL RATES WILL LOCALLY EXCEED 1 IN/HR.

DISCUSSION...A CLIPPER-TYPE AMPLIFYING SHORTWAVE TROUGH CURRENTLY
OVER THE MIDDLE MO VALLEY WILL CONTINUE TO RACE SOUTHEASTWARD AND
REACH THE MIDDLE OH RIVER VALLEY LATE TONIGHT/EARLY TUESDAY. WITHIN
A COLD AIR MASS...RELATED DPVA AND PRECEDING STRONG WARM
ADVECTION/FRONTOGENETICAL FORCING WILL CONTRIBUTE TO AMPLE FORCING
FOR ASCENT SUPPORTIVE OF MODERATE/LOCALLY HEAVY SNOWFALL
PARTICULARLY TO THE NORTH/NORTHEAST OF A WEAK SURFACE
LOW/EASTWARD-EXTENDING WARM FRONT. THIS WILL RESULT IN A WNW-ESE
ORIENTED CORRIDOR OF MODERATE TO HEAVY SNOWFALL...ESPECIALLY FOR A
3-6 HOUR DURATION...FROM EASTERN IA/NORTHWEST IL INTO
CENTRAL/EAST-CENTRAL IL...AND PORTIONS OF CENTRAL INDIANA/SOUTHWEST
OH BY LATE EVENING/OVERNIGHT. WITH SINGLE DIGIT TEMPERATURES /F/
PREVALENT...RELATIVELY HIGH SNOW-TO-LIQUID RATIOS /AS HIGH AS 25:1/
WILL FURTHER ENHANCE SNOWFALL TOTALS.

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...