Area Forecast Discussion
Issued by NWS Duluth, MN

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FXUS63 KDLH 212002
AFDDLH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DULUTH MN
302 PM CDT SUN SEP 21 2014

.SHORT TERM...(THIS EVENING THROUGH MONDAY)
ISSUED AT 301 PM CDT SUN SEP 21 2014

MOST OF THE CLOUDS HAVE DISSIPATED ACROSS THE CWA THIS
AFTERNOON...WITH A RIBBON OF THICKER CLOUDS REMAINING JUST WEST OF
THE NORTHLAND. THE RAP HAS BEEN CONSISTENT ON BRINGING SOME OF
THESE CLOUDS BACK INTO OUR WESTERN/NORTHERN ZONES TONIGHT. THERE
IS SOME EASTWARD MOVEMENT TOWARD KOOCHICHING COUNTY OVER THE LAST
SEVERAL SATELLITE IMAGES. WE HAVE DO BRING AN INCREASE IN CLOUDS
OVER PARTS OF THE WEST/NORTH TONIGHT.

HIGH PRESSURE WILL KEEP THE CWA DRY THROUGH MONDAY WITH MORE SUN
EXPECTED.

LOWS TONIGHT WILL DROP INTO THE UPPER THIRTIES TO LOWER FORTIES.
WE WENT ON THE LOW END OF GUIDANCE AND EVEN DROPPED TEMPS A BIT
MORE OVER PARTS OF OUR FAR NORTHEAST ZONES AND FROM KHYR TO KPBH.
LATER SHIFTS WILL HAVE TO MONITOR TEMPS CLOSELY AS IF THEY DROP A
BIT MORE THAN EXPECTED...SOME PATCHY FROST IS POSSIBLE. FOG WILL
ALSO BE POSSIBLE TONIGHT.

HIGHS MONDAY WILL BE SEVERAL DEGREES ABOVE NORMAL...AND RANGE FORM
THE MID SIXTIES TO AROUND SEVENTY.

.LONG TERM...(MONDAY NIGHT THROUGH SUNDAY)
ISSUED AT 301 PM CDT SUN SEP 21 2014

DRY CONDITIONS EXPECTED EARLY IN THE WEEK WITH AN UPPER LEVEL RIDGE
BUILDING EWD ACROSS THE UPPER MIDWEST/WRN GREAT LAKES AREA. AT THE
SFC A 1025MB HIGH WILL TRANSLATE EWD THROUGH THE SRN GREAT LAKES. A
SLY FLOW WILL DEVELOP BEHIND THE DEPARTING HIGH AND AHEAD OF THE
NEXT INCOMING AREA OF LOW PRESSURE. THIS NEXT SYSTEM WILL TRACK FROM
THE ROCKIES THROUGH THE CENTRAL PLAINS DURING THE DAY TUESDAY. THE
MAIN FORCING WILL REMAIN ALOFT ASSOCIATED WITH THE UPPER LOW...WHICH
WILL RUN INTO A BLOCKING HIGH TO THE EAST AND LIFT TO THE NE THROUGH
NRN MN AND WRN LAKE SUPERIOR LATE TUE NIGHT AND THROUGH THE DAY WED.
RAIN SHOWERS WILL ACCOMPANY THIS SYSTEM...AND REMAIN CONFINED TO
AREAS NORTH OF MN HIGHWAY 210 AND EWD ALONG THE SOUTH SHORE IN NW
WI. RAINFALL AMTS ARE EXPECTED TO BE LIGHT. A BROAD HIGH AMPLITUDE
RE-ENFORCING UPPER LEVEL RIDGE IS EXPECTED TO BUILD THROUGH THE
CENTRAL U.S. ON THURSDAY...AND INTO THE GREAT LAKES BY FRIDAY. THIS
HIGH PRESSURE WILL KEEP CONDITIONS DRY AND WARM THROUGH FRIDAY AND
INTO THE WEEKEND. TEMPERATURES THROUGH THE WEEK WILL REMAIN
RELATIVELY WARM WITH HIGHS IN THE UPPER 60S AND 70S...AND OVERNIGHT
LOWS IN THE 50S.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z MONDAY AFTERNOON)
ISSUED AT 1220 PM CDT SUN SEP 21 2014

WEAK TRAILING UPPER WAVE WILL EXIT THE REGION TO THE SE TODAY BUT
ALLOW THE MID LEVEL VFR/MVFR CLOUD COVER TO PERSIST THROUGH THE
AFTERNOON. HIGH PRESSURE WILL BUILD IN TONIGHT AND ALLOW DRIER AIR
TO MIX IN...ALONG WITH LIGHT WINDS. CONDITIONS WILL BECOME
FAVORABLE FOR FOG TONIGHT AND EARLY MON MORNING. STILL SOME
UNCERTAINTY REGARDING THE TIMING AND AREAL EXTENT OF THE FOG...SO
JUST WENT WITH TEMPO GRPS AT ALL TERMINALS. VFR CONDITIONS WILL
RETURN BY LATE MON MORNING.


&&

.PRELIMINARY POINT TEMPS/POPS...
DLH  44  69  48  70 /   0   0   0   0
INL  42  71  45  74 /   0   0   0   0
BRD  44  70  47  72 /   0   0   0   0
HYR  40  67  44  73 /   0   0   0   0
ASX  44  67  47  72 /   0   0   0   0

&&

.DLH WATCHES/WARNINGS/ADVISORIES...
MN...NONE.
WI...NONE.
LS...NONE.
&&

$$

SHORT TERM...MELDE
LONG TERM...BJT
AVIATION...BJT






USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.