548  
FXUS06 KWBC 261956  
PMDMRD  
PROGNOSTIC DISCUSSION FOR 6 TO 10 AND 8 TO 14 DAY OUTLOOKS  
NWS CLIMATE PREDICTION CENTER COLLEGE PARK, MD  
300 PM EDT TUE MARCH 26 2024  
 
6-10 DAY OUTLOOK FOR APR 01 - 05 2024  
 
DYNAMICAL MODEL FORECASTS ARE IN GOOD AGREEMENT ON THE OVERALL LARGE-SCALE MEAN  
500-HPA HEIGHT PATTERN DURING THE 6-10 DAY PERIOD, BUT ONLY IN FAIR AGREEMENT  
WITH MODEL SOLUTIONS FROM YESTERDAY. AT THE START OF THE PERIOD, A STRONG RIDGE  
IS CENTERED NEAR GREENLAND, WITH ALL ENSEMBLE MEANS SHOWING A CLOSED MID-LEVEL  
HIGH WITH 500-HPA HEIGHTS OF 555 TO 561 DAM. TO THE SOUTH, A STRONG TROUGH IS  
CENTERED OVER OR NEAR ATLANTIC CANADA, AND THE ENSEMBLE MEANS ALL SHOW EITHER A  
CLOSED 500-HPA LOW OR A STRONG OPEN WAVE. ALL ENSEMBLE MEANS ARE CONSIDERABLY  
FARTHER EAST WITH THIS FEATURE THAN YESTERDAY. THE CANADIAN ENSEMBLE MEAN SHOWS  
LOWER 500-HPA HEIGHTS (AS LOW AS 524 DAM) THAN THE GEFS OR EUROPEAN ENSEMBLE  
MEAN (APPROXIMATELY 535 DAM), AND HAS MORE OF A CLOSED-OFF CIRCULATION. THESE  
TWO FEATURES ARE REPRESENTATIVE OF A STRONG NEGATIVE PHASE OF THE NORTH  
ATLANTIC OSCILLATION (NAO). THE STRONGLY NEGATIVE NAO WEAKENS WITH TIME, BUT IS  
EXPECTED TO REMAIN NEGATIVE THROUGH THE NEXT TWO WEEKS. IN APRIL, A NEGATIVE  
NAO CORRELATES WITH BELOW-NORMAL TEMPERATURES ACROSS MUCH OF THE CONTIGUOUS  
UNITED STATES (CONUS), ESPECIALLY WEST OF THE MISSISSIPPI RIVER, AND WITH  
ABOVE-NORMAL PRECIPITATION IN PARTS OF THE FAR WEST, THE CENTRAL GREAT PLAINS,  
AND MUCH OF THE SOUTHEAST. HISTORICALLY, THERE HAS BEEN CONSIDERABLE  
VARIABILITY, SO THESE CORRELATIONS AREN’T HARD-AND-FAST RULES, BUT THESE  
TEMPERATURE AND PRECIPITATION PATTERNS ARE GENERALLY FAVORED IN THE MEAN DURING  
THE 6-10 DAY AND 8-14 DAY PERIODS.  
 
OTHER FEATURES OVER OR NEAR NORTH AMERICA AT THE START OF THE 6-10 DAY FORECAST  
PERIOD INCLUDE A SIGNIFICANT MID-LEVEL FROM PARTS OF SIBERIA, EASTWARD ACROSS  
ALASKA, WITH NEGATIVE 500-HPA ANOMALIES COVERING THE STATE. MEANWHILE, A  
COMPARATIVELY WEAK MID-LEVEL RIDGE IS FORECAST TO EXTEND FROM WESTERN CANADA  
THROUGH THE PACIFIC NORTHWEST AND INTO THE NORTH PACIFIC, WITH MAXIMUM POSITIVE  
500-HPA ANOMALIES TOPPING OUT AT 12 TO 18 DAM. SOMEWHAT ABOVE-NORMAL 500-HPA  
HEIGHTS ARE ALSO SHOWN BY ALL ENSEMBLE MEANS OVER THE EASTERN CONUS, THOUGH  
500-HPA ANOMALIES ARE EXPECTED TO REMAIN BELOW 12 DAM. BETWEEN THESE TWO  
RIDGES, A POSITIVELY-TILTED MID-LEVEL TROUGH IS FORECAST, WITH ITS AXIS  
STRETCHING FROM THE CENTRAL GREAT PLAINS INTO THE SOUTHWEST. THIS PATTERN  
FAVORS A SURFACE LOW PRESSURE SYSTEM MOVING FROM THE GREAT PLAINS INTO THE  
NORTHEAST EARLY IN THE PERIOD, BRINGING MODERATE TO HEAVY PRECIPITATION TO THE  
OHIO VALLEY AND NORTHEAST, WHILE A TRAILING FRONTAL SYSTEM COULD TRIGGER  
ABOVE-NORMAL PRECIPITATION IN PARTS OF THE SOUTHEAST AS WELL.  
 
THE PATTERN IS FAIRLY PROGRESSIVE OVER THE 5-DAY PERIOD. 500-HPA HEIGHTS ARE  
FORECAST TO RISE SHARPLY ACROSS ALASKA DURING THE PERIOD, WITH POSITIVE 500-HPA  
HEIGHT ANOMALIES EXPECTED TO COVER AT LEAST THE SOUTHERN PART OF THE STATE BY  
THE END OF THE PERIOD. MEANWHILE, THE BROAD RIDGE IN THE EAST IS FORECAST TO  
SHIFT EASTWARD INTO THE NORTH ATLANTIC AND WEAKEN EARLY IN THE PERIOD AS THE  
WESTERN MID-LEVEL TROUGH PUSHES INTO THE EASTERN CONUS, WITH NEGATIVE HEIGHTS  
STRETCHING EASTWARD WELL INTO THE NORTH ATLANTIC. THE EUROPEAN ENSEMBLE MEAN  
OFFERS A DIFFERENT SOLUTION, ENDING THE PERIOD WITH NEGATIVE 500-HPA HEIGHTS  
LIMITED TO THE NORTH ATLANTIC, AND WEAKLY ABOVE-NORMAL 500-HPA ANOMALIES  
EXTENDING SOUTHWARD, FROM THE STRONG MID-LEVEL RIDGE OVER GREENLAND INTO THE  
GREAT LAKES AND NORTHEASTERN CONUS. AT THIS TIME, THE CANADIAN ENSEMBLE MEAN  
AND GEFS SOLUTIONS ARE GENERALLY FAVORED. TO THE WEST, 500-HPA HEIGHTS ARE  
FORECAST TO DROP DURING THE PERIOD, LEAVING SOME SEMBLANCE OF A MID-LEVEL  
TROUGH IN THE WEST. MODELS ARE NOT CONSISTENT IN THEIR HANDLING OF THIS  
FEATURE, WITH THE GEFS SHOWING A FAIRLY DEEP MID-LEVEL TROUGH WHILE THE  
CANADIAN ENSEMBLE MEAN IS MUCH WEAKER. THE EUROPEAN ENSEMBLE MEAN FALLS BETWEEN  
THE OTHER TWO, AND IS FAVORED AS A COMPROMISE BETWEEN THE STRONGER AND WEAKER  
DYNAMIC MODELS. OVERALL, MODEL OUTPUT IS SLIGHTLY WEAKER THAN YESTERDAY WITH  
FEATURES AFFECTING NORTH AMERICA, ESPECIALLY WITH THE MID-LEVEL TROUGH OVER THE  
CENTRAL AND SOUTHWESTERN CONUS AT THE START OF THE PERIOD.  
 
THE MODEL INCONSISTENCIES RESULT IN CONFLICTING SIGNALS IN THEIR RAW AND  
DERIVED TEMPERATURE AND PRECIPITATION FORECASTS. MOST TOOLS ARE IN DECENT  
AGREEMENT SHOWING BELOW-NORMAL TEMPERATURES IN THE SOUTHWEST. MOST TOOLS ALSO  
SHOW BELOW-NORMAL TEMPERATURES IN THE NORTHERN GREAT PLAINS AND ACROSS CENTRAL  
AND WESTERN ALASKA, AND ABOVE-NORMAL TEMPERATURES ALONG THE SOUTH ATLANTIC  
COAST. HOWEVER, THERE ARE SIGNIFICANT INCONSISTENCIES IN THE INTERIOR  
SOUTHEAST, THE NORTHEAST, THE LOWER MISSISSIPPI VALLEY, AND SOUTHEASTERN  
ALASKA. OVERALL, THE BIAS CORRECTED AND CALIBRATED TOOLS ARE SIGNIFICANTLY  
WARMER THAN THE RAW ENSEMBLE OUTPUT. GENERALLY, A BLEND OF THE RAW AND  
CORRECTED TOOLS WAS FAVORED. SIGNIFICANTLY ENHANCED ODDS OF BELOW-NORMAL  
TEMPERATURES ARE FORECAST FOR THE SOUTHWEST, AND SIMILARLY INCREASED ODDS OF  
ABOVE-NORMAL TEMPERATURES COVER THE SOUTH ATLANTIC STATES, WHICH ARE THE TWO  
REGIONS WHERE GUIDANCE IS IN BEST AGREEMENT. ELSEWHERE, EITHER NEAR-NORMAL  
TEMPERATURES ARE FAVORED, OR ODDS ONLY LEAN SLIGHTLY TOWARD ONE EXTREME. ODDS  
OF COLDER THAN NORMAL TEMPERATURES EXCEED 40 PERCENT OVER THE WESTERN GREAT  
LAKES, NORTHERN GREAT PLAINS, CENTRAL ROCKIES, AND A BROAD PART OF MAINLAND  
ALASKA, WHERE TOOLS WERE IN SLIGHTLY BETTER AGREEMENT THAN MOST OTHER AREAS.  
 
SIMILAR ISSUES ARE FOUND IN THE RAW AND REFORECAST PRECIPITATION OUTPUT FROM  
THE ENSEMBLES, WITH A FEW AREAS OF AGREEMENT, BUT LARGER AREAS WHERE SIGNALS  
ARE INCONSISTENT, RESULTING IN LOWER CONFIDENCE. GUIDANCE IS FAIRLY CONSISTENT  
REGARDING THE STORM AND TRAILING COLD FRONT MOVING THROUGH THE EAST EARLY IN  
THE 6-10 DAY PERIOD, SO ODDS OF ABOVE-NORMAL PRECIPITATION EXCEED 40 PERCENT  
OVER THIS BROAD AREA. THE LIKELIHOOD OF ABNORMALLY WET WEATHER EXCEEDS 50  
PERCENT IN A SMALL AREA CENTERED OVER THE UPPER OHIO VALLEY, WHERE GUIDANCE IS  
MOST CONSISTENT IN FAVORING WETNESS. THERE IS A STRONG CONSENSUS SHOWING  
ENHANCED ODDS OF ABOVE-NORMAL PRECIPITATION IN THE SOUTHWEST, ALTHOUGH LOW  
NORMALS THIS TIME OF YEAR MEANS RELATIVELY LIGHT PRECIPITATION TOTALS WILL  
VERIFY AS ABOVE NORMAL. ODDS OF SURPLUS PRECIPITATION EXCEED 60 PERCENT IN AND  
NEAR SOUTHERN ARIZONA. RISING HEIGHTS PUT ALASKA UNDER CYCLONICALLY-CURVED  
MID-LEVEL FLOW AND ABOVE-NORMAL MOISTURE ADVECTION FROM THE NORTH PACIFIC, SO  
ODDS FAVOR WETNESS STATEWIDE, WITH THE BEST CHANCES IN CENTRAL AND SOUTHWESTERN  
PARTS OF THE MAINLAND. BELOW-NORMAL PRECIPITATION IS SLIGHTLY FAVORED NEAR THE  
NORTHWESTERN PACIFIC COAST REGION.  
 
A MID-LEVEL TROUGH NEAR HAWAII FAVORS COOLER AND WETTER THAN NORMAL CONDITIONS  
THERE.  
 
THE OFFICIAL 6-10 DAY 500-HPA HEIGHT BLEND CONSISTS OF 50% OF TODAY'S GFS  
SUPERENSEMBLE MEAN CENTERED ON DAY 8, 20% OF TODAY'S 0Z EUROPEAN ENSEMBLE MEAN  
CENTERED ON DAY 8, 10% OF TODAY'S OPERATIONAL 0Z ECMWF CENTERED ON DAY 8, AND  
20% OF TODAY'S 0Z CANADIAN ENSEMBLE MEAN CENTERED ON DAY 8  
 
 
FORECAST CONFIDENCE FOR THE 6-10 DAY PERIOD: ABOUT AVERAGE, 3 OUT OF 5, DUE TO  
DECENT AGREEMENT ON THE PREDICTED CIRCULATION PATTERN, OFFSET BY THE  
PROGRESSIVE CIRCULATION PATTERN AND SOME SIGNIFICANT DIFFERENCES AMONG THE  
FORECAST TOOLS.  
 
8-14 DAY OUTLOOK FOR APR 03 - 09 2024  
 
THE WEEK-2 500-HPA HEIGHT FORECAST IS LESS CERTAIN THAN THE 6-10 DAY PERIOD  
AGAIN TODAY, WITH GREATER DIFFERENCES AMONG THE GEFS, EUROPEAN, AND CANADIAN  
ENSEMBLE MEANS AS RESULT OF UNCERTAINTY IN THE EASTWARD PROGRESSION OF THE  
CIRCULATION PATTERN. TODAY’S GEFS SUPERENSEMBLE IS GIVEN THE GREATEST WEIGHT  
DUE TO ITS MORE CONSISTENT SOLUTION RELATIVE TO YESTERDAY, BUT FORECASTS FROM  
THE EUROPEAN AND CANADIAN ENSEMBLE MEANS ARE ALSO INCLUDED IN THE MANUAL HEIGHT  
BLEND, REFLECTING THE UNCERTAINTY IN THE EVOLUTION OF THE 500-HPA PATTERN. THE  
MANUAL BLEND OF MODEL 500-HPA HEIGHT FORECASTS PREDICTS A STRONG POSITIVE  
HEIGHT ANOMALY OVER THE DAVIS STRAIT, INDICATING A CONTINUATION OF THE NEGATIVE  
PHASE OF THE NORTH ATLANTIC OSCILLATION. MEANWHILE, POSITIVE 500-HPA HEIGHTS  
ARE EXPECTED OVER THE NORTH PACIFIC, EXTENDING INTO ALASKA, WHILE BELOW-NORMAL  
MID-LEVEL HEIGHTS COVER MOST OF THE CONUS, ESPECIALLY IN NORTHEASTERN AND  
SOUTHWESTERN SECTIONS.  
 
THE PROGRESSIVE CIRCULATION PATTERN AND DIFFERENCES AMONG THE MODEL TEMPERATURE  
TOOLS LEADS TO A HIGHLY UNCERTAIN TEMPERATURE OUTLOOK FOR THE WEEK-2 PERIOD  
AGAIN TODAY. ABOVE NORMAL TEMPERATURES ARE FAVORED FOR THE ALEUTIAN ISLANDS,  
SOUTHWESTERN AND NORTHEASTERN MAINLAND ALASKA, FLORIDA, AND PORTIONS OF THE  
GREAT LAKES AND NORTHEAST, BUT ODDS OF UNUSUAL WARMTH EXCEED 40 PERCENT ONLY IN  
SOUTHERN FLORIDA. MEANWHILE, SLIGHTLY ENHANCED ODDS OF SUBNORMAL TEMPERATURES  
COVER A SWATH FROM NORTHWESTERN THROUGH SOUTHEASTERN ALASKA, THE WESTERN HALF  
OF THE CONUS, AND A BAND EXTENDING FROM THE LOWER MISSISSIPPI VALLEY TO THE  
MID-ATLANTIC REGION. IN MOST OF THESE AREAS, THE CHANCES OF BELOW-NORMAL  
TEMPERATURES ARE BELOW 40 PERCENT, BUT MORE CONSISTENCY IN THE SOUTHWEST LEADS  
TO HIGHER PROBABILITIES OF BELOW-NORMAL TEMPERATURES, WITH CHANCES EXCEEDING 50  
PERCENT FROM SOUTHEASTERN CALIFORNIA THROUGH THE SOUTHERN ROCKIES.  
 
INCONSISTENCY AMONG THE TOOLS ALSO KEEPS THE PRECIPITATION FORECAST RELATIVELY  
CONSERVATIVE. WITH LOWER 500-HPA HEIGHTS EXPECTED IN THE NORTHEAST AND  
OFFSHORE, DRIER THAN NORMAL WEATHER IS SLIGHTLY FAVORED IN PARTS OF THE GREAT  
LAKES AND INNER NORTHEAST. ELSEWHERE, A PREPONDERANCE OF TOOLS AND THE NATURE  
OF A PROGRESSIVE PATTERN WOULD FAVOR ABOVE-NORMAL PRECIPITATION, WITH ODDS  
EXCEEDING 40 PERCENT IN THE CENTRAL ROCKIES, THE SOUTHWEST, FLORIDA AND THE  
ADJACENT SOUTHEAST, AND MOST OF MAINLAND ALASKA, WHERE SURFACE LOW PRESSURE AND  
ASSOCIATED FRONTAL SYSTEMS APPEAR MOST LIKELY TO TRIGGER SIGNIFICANT  
PRECIPITATION.  
 
CONTINUED BELOW-NORMAL 500-HPA HEIGHTS, REPRESENTING A CONTINUING WEAK  
MID-LEVEL TROUGH, FAVOR COOLER AND WETTER THAN NORMAL CONDITIONS AGAIN FOR  
WEEK-2 ACROSS HAWAII.  
 
THE OFFICIAL 8-14 DAY 500-HPA HEIGHT BLEND CONSISTS OF: 20% OF TODAY'S 6Z GFS  
ENSEMBLE MEAN CENTERED ON DAY 11, 45% OF TODAY'S GFS SUPERENSEMBLE MEAN  
CENTERED ON DAY 11, 25% OF TODAY'S 0Z EUROPEAN ENSEMBLE MEAN CENTERED ON DAY  
11, AND 10% OF TODAY'S 0Z CANADIAN ENSEMBLE MEAN CENTERED ON DAY 11  
 
FORECAST CONFIDENCE FOR THE 8-14 DAY PERIOD: BELOW AVERAGE, 2 OUT OF 5, WITH  
ONLY FAIR AGREEMENT AMONG MODEL WEEK-2 MEAN 500-HPA HEIGHT PATTERN FORECASTS,  
ALONG WITH DIFFERENCES IN THE DAILY HANDLING OF THE PROGRESSIVE PATTERN, AND  
AMONG MODEL TOOLS FOR PRECIPITATION AND TEMPERATURE.  
 
FORECASTER: RICH TINKER  
 
NOTES:  
 
AUTOMATED FORECASTS ARE ISSUED ON SATURDAY AND SUNDAY. OCCASIONALLY MANUAL  
INTERVENTION IS NECESSARY TO ADDRESS QUALITY CONTROL AND CONSISTENCY ISSUES. IN  
THESE CASES, FORECASTS ARE MANUALLY DRAWN BUT A FULL DISCUSSION IS NOT ISSUED.  
 
THE NOTATION FOR THE CATEGORICAL FORECAST INDICATED ON THE MAPS IS THE SAME AS  
THAT IN THE TABLES: A-ABOVE N-NEAR NORMAL B-BELOW  
 
THE TEMPERATURE MAP SHOWS REGIONS WITH > 33% CHANCE OF BEING WARMER (ORANGE,  
"A"), COLDER (BLUE, "B"), OR CLOSE TO (UNSHADED, "N"). HISTORICAL AVERAGE  
VALUES FOR THE CALENDAR PERIOD OF THE FORECAST (DASHES, "F"). LABELS ON THE  
SHADED LINES GIVE THE PROBABILITY (> 33%) OF THE MORE LIKELY CATEGORY (B OR A).  
PROBABILITY OF N IS ALWAYS < 40%.  
 
THE PRECIPITATION MAP SHOWS REGIONS WITH > 33% CHANCE OF BEING WETTER (GREEN,  
"A"), DRIER (TAN, "B"), OR CLOSE TO (UNSHADED, "N"). HISTORICAL MEDIAN VALUES  
FOR THE CALENDAR PERIOD OF THE FORECAST (DASHES, "INCHES"). LABELS ON THE  
SHADED LINES GIVE THE PROBABILITY (> 33%) OF THE MORE LIKELY CATEGORY (B OR A).  
PROBABILITY OF N IS ALWAYS < 40%.  
 
IN THE SOUTHWEST AND OTHER CLIMATOLOGICALLY DRY REGIONS - THERE WILL BE A  
GREATER THAN 33.3% CHANCE OF NO PRECIPITATION AND OCCASIONALLY EVEN A NORMAL  
(I.E. MEDIAN) VALUE OF ZERO - ESPECIALLY DURING THE DRY SEASONS. IN SUCH CASES  
A FORECAST OF NEAR NORMAL IS EFFECTIVELY A FORECAST OF LITTLE OR NO  
PRECIPITATION.  
 
THE CLIMATE PREDICTION CENTER USES 1991-2020 BASE PERIOD MEANS AS REFERENCE IN  
THE CLIMATE OUTLOOKS.  
 
THE NEXT SET OF LONG-LEAD MONTHLY AND SEASONAL OUTLOOKS WILL BE RELEASED ON  
APRIL 18.  
 
ANALOGS TO THE 5 DAY MEAN OBSERVED PATTERN CENTERED 3 DAYS AGO (D-3)  
FOR THE REGION FROM 20N TO 70N LATITUDE AND 175E TO 60W LONGITUDE  
INCLUDE THE 5 DAY PERIODS CENTERED ON THE FOLLOWING DATES:  
19680405 - 19800319 - 19780311 - 19560312 - 19700328  
 
ANALOGS TO THE 7 DAY MEAN OBSERVED PATTERN CENTERED 4 DAYS AGO (D-4)  
FOR THE REGION FROM 20N TO 70N LATITUDE AND 175E TO 60W LONGITUDE  
INCLUDE THE 7 DAY PERIODS CENTERED ON THE FOLLOWING DATES:  
19680404 - 19730328 - 20080305 - 19520321 - 19780311  
 
6-10 DAY OUTLOOK TABLE  
OUTLOOK FOR APR 01 - 05 2024  
 
STATE TEMP PCPN STATE TEMP PCPN STATE TEMP PCPN  
WASHINGTON A N OREGON A N NRN CALIF N N  
SRN CALIF B A IDAHO N A NEVADA N A  
W MONTANA B A E MONTANA B A WYOMING B A  
UTAH B A ARIZONA B A COLORADO B A  
NEW MEXICO B A N DAKOTA B N S DAKOTA B N  
NEBRASKA B N KANSAS B N OKLAHOMA N N  
N TEXAS N N S TEXAS N N W TEXAS B A  
MINNESOTA B N IOWA B N MISSOURI N N  
ARKANSAS N N LOUISIANA N A WISCONSIN B N  
ILLINOIS B N MISSISSIPPI N A MICHIGAN B A  
INDIANA B A OHIO B A KENTUCKY N A  
TENNESSEE N A ALABAMA N A NEW YORK B A  
VERMONT B A NEW HAMP B A MAINE N A  
MASS B A CONN B A RHODE IS B A  
PENN B A NEW JERSEY B A W VIRGINIA N A  
MARYLAND N A DELAWARE N A VIRGINIA N A  
N CAROLINA A A S CAROLINA A A GEORGIA A A  
FL PNHDL A A FL PENIN A A AK N SLOPE B A  
AK ALEUTIAN N A AK WESTERN B A AK INT BSN B A  
AK S INT B A AK SO COAST B A AK PNHDL N A  
 
 
 
8-14 DAY OUTLOOK TABLE  
OUTLOOK FOR APR 03 - 09 2024  
 
STATE TEMP PCPN STATE TEMP PCPN STATE TEMP PCPN  
WASHINGTON B N OREGON B A NRN CALIF B A  
SRN CALIF B A IDAHO B A NEVADA B A  
W MONTANA B A E MONTANA B A WYOMING B A  
UTAH B A ARIZONA B A COLORADO B A  
NEW MEXICO B A N DAKOTA N A S DAKOTA N A  
NEBRASKA N A KANSAS N A OKLAHOMA B A  
N TEXAS B N S TEXAS B N W TEXAS B N  
MINNESOTA N A IOWA N A MISSOURI N A  
ARKANSAS B A LOUISIANA B A WISCONSIN N N  
ILLINOIS N N MISSISSIPPI B A MICHIGAN N N  
INDIANA N N OHIO N N KENTUCKY B N  
TENNESSEE B A ALABAMA N A NEW YORK N N  
VERMONT A N NEW HAMP A N MAINE A N  
MASS N N CONN N N RHODE IS N N  
PENN N N NEW JERSEY N N W VIRGINIA N N  
MARYLAND N N DELAWARE N N VIRGINIA N N  
N CAROLINA N A S CAROLINA N A GEORGIA N A  
FL PNHDL N A FL PENIN A A AK N SLOPE B A  
AK ALEUTIAN A A AK WESTERN N A AK INT BSN B A  
AK S INT B A AK SO COAST B A AK PNHDL B N  
 
LEGEND  
TEMPS WITH RESPECT TO NORMAL PCPN WITH RESPECT TO MEDIAN  
A - ABOVE N - NEAR NORMAL A - ABOVE N - NEAR MEDIAN  
B - BELOW B - BELOW  
 
THE FORECAST CLASSES REPRESENT AVERAGES FOR EACH STATE. NORMAL  
VALUES - WHICH MAY VARY WIDELY ACROSS SOME STATES - ARE  
AVAILABLE FROM YOUR LOCAL WEATHER SERVICE FORECAST OFFICE.  
 
FOR ADDITIONAL INFORMATION SEE MESSAGE FXUS06 KWBC - ON AWIPS AS  
PMDMRD.  
 

 
 
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