Courtesy of the National Weather Service a division of NOAA
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On This Date In Carolina Weather History...
Raleigh reaches its all time record high temperature of 105 degrees on July
23, 1952 (also reached on August 18, 1988).
Carolina Weather Forecast
***Hurricane Dolly***
***Tropical Storm Cristobal***
New local forecasts are coming for all US zip codes. The new forecasts
will include: 7-day forecast, hourly forecast, detailed description for next 7
days and more. Stay tuned for updates.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
954 AM EDT WED JUL 23 2008
SYNOPSIS...
A FRONT WILL APPROACH THE AREA FROM THE NORTHWEST
BRINGING SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND
TONIGHT. THIS FRONT WILL PUSH THROUGH MOST OF CENTRAL NORTH
CAROLINA BY SUNRISE THURSDAY... USHERING IN SLIGHTLY COOLER
AND LESS HUMID AIR.
NEAR TERM /THROUGH TONIGHT
AS OF 940 AM WEDNESDAY...
RECENTLY UPDATED FORECAST AS BROKEN LINE OF CONVECTION HAS
DEVELOPED ALONG LEE SIDE TROUGH IN THE WESTERN PIEDMONT.
PER 12Z UPPER AIR ANALYSIS...MID LEVEL TROUGH IMMEDIATELY SE OF
REGION INITIATED/SUSTAINING CONVECTION. AS AIR MASS EAST OF LINE
CONTINUES TO DESTABILIZE WITH FULL SUN...EXPECT LINE OF
CONVECTION TO INTENSITY AS IT ENTERS THE EASTERN
PIEDMONT/SANDHILLS BY MID DAY/EARLY AFTERNOON. HAVE INCLUDED
MENTION OF LOCALLY HEAVY RAIN AS DEEP SW FLOW THROUGH
COLUMN WILL LEAD TO TRAINING OF CELLS OVER THE SAME LOCALES.
OTHERWISE...A MID LEVEL TROUGH OVER THE OHIO VALLEY WILL DROP
INTO NORTH CAROLINA TODAY AND FLATTEN AND WEAKEN AS IT LIFTS
NORTHEAST LATE TONIGHT. DECENT COUPLET FOR THIS TIME OF YEAR
BETWEEN LOW LEVEL CONVERGENCE AND UPPER DIVERGENCE.
PRECIPITABLE WATERS APPROACH 1.75 TO TWO INCHES TOWARD
SUNSET WITH MID LEVEL WINDS 25 TO 30 KNOTS. MID LEVEL
TEMPERATURE LAPSE RATES RELATIVELY UNIMPRESSIVE BUT LIFTED
INDICES MINUS THREE TO FIVE WITH CAPE VALUES 1500 TO 2200. THUS
EXPECT MORE LOCATIONS THAN NOT TO GET RAIN WITH ONE HALF TO
THREE QUARTER INCH TOTALS COMMON.
STORMS SHOULD BE RELATIVELY PROGRESSIVE...LIMITING HEAVY RAINS
TO AREAS WHERE THUNDERSTORMS TRAIN BEHIND ONE ANOTHER.
GIVEN THE ABOVE PARAMETERS THE SEVERE THREAT FOR TODAY
LOOKS TO BE DOWNBURST WINDS WITH FEWER SEVERE STORMS THAN
TUESDAY. TRIGGER TEMPERATURES FOR CONVECTION IN THE UPPER
80S... WHICH SHOULD BE REACHED EARLY TO MID AFTERNOON.
CLOUDS AND RAIN WILL PREVENT FULL SUN HIGH TEMPERATURES
FROM BEING REACHED. THUS LOW LEVEL THICKNESS PERHAPS TOO
WARM. AFTERNOON HIGHS 88 TO 92 MOST LOCATIONS.
THUNDERSTORMS AND SEVERE POTENTIAL CONTINUE INTO TONIGHT
BEFORE SUBSIDING TOWARD MIDNIGHT. RAIN SHOULD BEGIN TO CLEAR
THE NORTHWEST PIEDMONT AROUND MIDNIGHT OR SHORTLY AFTER...
AND MOST AREAS TO THE EAST AS SUNRISE APPROACHES.
OVERNIGHT LOWS SHOULD BE HELD BY THE WARMTH OF THE FALLEN
RAINS AND PERHAPS SOME FOG FORMATION. THE AIR MASS IS
FORECAST TO STILL BE RELATIVELY MOIST AT SUNRISE EAST OF
HIGHWAY 220. THUS WILL STAY NEAR TO SLIGHTLY ABOVE GUIDANCE
WITH COOLEST TEMPERATURES WEST. MORNING LOWS 65 WEST TO 72
SOUTHEAST.
SHORT TERM /THURSDAY THROUGH FRIDAY
AS OF 300 AM...
MODELS HAPPY TO LINGER TROUGH OVER THE COASTAL PLAIN FOR A
MORNING CHANCE OF RAIN EAST OF HIGHWAY ONE...BUT THE
AFTERNOON SHOULD BE DRY. GIVEN THE AVAILABLE MOISTURE AND
INSTABILITY FRIDAY... THE CURRENT SLIGHT CHANCES FOR A
THUNDERSTORMS ARE REASONABLE AND RETAINED.
AFTERNOON HIGHS OF 87 TO 90 THURSDAY WILL EDGE UPWARD A BIT
FRIDAY. THURSDAY NIGHT LOWS MOSTLY MID 60S.