Area Forecast Discussion
Issued by NWS Bismarck, ND

Home | Current Version | Previous Version | Graphics & Text | 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 KBIS 271716
AFDBIS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
1216 PM CDT SUN JUL 27 2014

.UPDATE...
ISSUED AT 1204 PM CDT SUN JUL 27 2014

PERSISTENT CLOUD COVER REMAINS OVER THE AREA IN NRLY FLOW IN THE
WAKE OF DEPARTING LOW OVER THE GREAT LAKES REGION. CURRENT
SATELLITE TRENDS ALONG WITH SHORT TERM GUIDANCE SUGGESTS THE
CLOUDS ARE HERE TO STAY THROUGH MOST OF THE DAY. WITH THAT...HAVE
ADJUSTED CLOUD COVER UP INTO THIS EVENING AND HAVE DROPPED HIGH
TEMPS A BIT. UPDATES HAVE BEEN SENT.

UPDATE ISSUED AT 925 AM CDT SUN JUL 27 2014

ONLY CHANGE FOR MORNING UPDATE IS TO UP CLOUD COVER A BIT. CURRENT
TRENDS ARE KEEPING CLOUD COVER AROUND LONGER THAN PREVIOUSLY
THOUGHT...THOUGH STILL EXPECT IT TO DECREASE SOME BY AFTERNOON.
UPDATES HAVE BEEN SENT.

UPDATE ISSUED AT 625 AM CDT SUN JUL 27 2014

INITIALIZED THE GRIDS WITH THE LOW CLOUD SATELLITE CHANNEL AND THAT
BEEFED UP THE CLOUD COVER A BIT ACROSS MOST OF THE WEST AND
CENTRAL. SATELLITE LOOPS SHOWING STRATO CU A LITTLE MORE PERVASIVE
THIS MORNING. THE TREND WILL STILL BE DECREASING CLOUDS BY THIS
AFTERNOON AS THE UPPER LOW LEAVES THE AREA.

&&

.SHORT TERM...(TODAY AND TONIGHT)
ISSUED AT 308 AM CDT SUN JUL 27 2014

LATEST WATER VAPOR IMAGERY SHOWS AN UPPER CLOSED LOW OVER NORTHERN
MINNESOTA WITH A COMPENSATING NORTHERLY TO NORTHWESTERLY FLOW INTO
NORTH DAKOTA. FOG/STRATUS LOOP AND SURFACE OBSERVATIONS SHOW SEVERAL
POCKETS OF BKN/OVC LOW CLOUDS CONTINUING TO MOVE FROM NORTHERN
NORTH DAKOTA INTO CENTRAL NORTH DAKOTA. PER HRRR CEILING
FORECAST...EXPECT THESE CLOUDS TO LINGER THROUGH MID MORNING THEN
LIFT INTO A FAIRLY LARGE SCT/BKN STRATOCUMULUS FIELD THROUGH THE
AFTERNOON. ENOUGH INSTABILITY WILL EXIST OVER THE FAR SOUTHERN
JAMES RIVER VALLEY/EASTERN LAMOURE AND DICKEY COUNTIES PER
GFS/ECMWF FOR AN ISOLATED AFTERNOON SHOWER OR THUNDERSHOWER. THE
REST OF WESTERN AND CENTRAL NORTH DAKOTA WILL BE DRY. 850MB TEMPS
GENERALLY THE SAME OR 1C COOLER OVER SATURDAYS. WITH CLOUDS
LINGERING MORE ACROSS THE NORTH AND EAST...HIGH TEMPERATURES WILL
ONLY REACH THE LOWER 70S. EXPECT HIGHS IN THE MID/UPPER 70S WEST
THROUGH SOUTH CENTRAL. FOR SUNDAY NIGHT...A SURFACE HIGH PRESSURE
WILL SPREAD ACROSS NORTH CENTRAL NORTH DAKOTA WITH A CLEAR SKY AND
COOL TEMPERATURES. OVERNIGHT LOWS WILL BE AROUND 50F.

.LONG TERM...(MONDAY THROUGH SATURDAY)
ISSUED AT 308 AM CDT SUN JUL 27 2014

THE MAIN FEATURE IN THE EXTENDED PERIOD WILL BE A BLOCKING
WEATHER PATTERN FEATURING A LONG WAVE TROUGH OVER THE EASTERN US
AND A RIDGE OVER THE WEST. THIS WILL LEAVE THE NORTHERN PLAINS
GENERALLY CUTOFF FROM GULF MOISTURE AND POPS THROUGH THE PERIOD ARE
LOW. ALTHOUGH NORTHWEST FLOW CAN OFTEN BRING SURPRISE CONVECTION AS
WEAK IMPULSES ARE INEVITABLE EMBEDDED IN THE NORTHWEST FLOW FOR
NOW WILL LEAVE THIS PERIOD DRY. FOR TEMPERATURES EXPECT A GRADUAL
MODERATING TREND FROM BELOW NORMAL TEMPERATURES MONDAY TO NEAR OR
ABOVE NORMAL BY THE WEEKEND.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z MONDAY AFTERNOON)
ISSUED AT 1204 PM CDT SUN JUL 27 2014

MVFR CIGS WILL REMAIN OVER CENTRAL AND WESTERN NORTH DAKOTA
THROUGH MUCH OF THE DAY BEFORE IMPROVING FROM WEST TO EAST LATE
THIS AFTERNOON INTO THIS EVENING.


.BIS WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

UPDATE...JJS
SHORT TERM...KS
LONG TERM...WAA
AVIATION...JJS





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