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...EXCESSIVE HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
MONDAY EVENING BELOW 4000 FEET...
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED AN EXCESSIVE
HEAT WATCH BELOW 4000 FEET FOR PORTIONS OF SOUTHERN NEVADA...
SOUTHEAST CALIFORNIA AND NORTHWEST ARIZONA...WHICH IS IN EFFECT
FROM THURSDAY MORNING THROUGH MONDAY EVENING.
* EXPECTED TEMPERATURES:
LAS VEGAS AND BARSTOW...107 TO 112.
COLORADO RIVER VALLEY...110 TO 118.
DEATH VALLEY...122 TO 127.
KINGMAN...102 TO 105.
* TIMING: VERY HOT TEMPERATURES ARE EXPECTED THURSDAY THROUGH THE
WEEKEND AND POSSIBLY INTO EARLY NEXT WEEK. THE HOTTEST DAYS ARE
EXPECTED TO BE OVER THE WEEKEND.
GREATEST IMPACTS: CHILDREN...PETS...THE ELDERLY...THE
HOMELESS...AND PEOPLE WITH CHRONIC AILMENTS ARE THE MOST
SUSCEPTIBLE TO HEAT-RELATED ILLNESS. HEAT EXHAUSTION...CRAMPS OR
IN EXTREME CASES HEAT STROKE CAN RESULT FROM PROLONGED EXPOSURE TO
THESE CONDITIONS. FRIENDS...RELATIVES...AND NEIGHBORS SHOULD CHECK
ON PEOPLE WHO MAY BE AT RISK.
The Southern Heat Wave continues, in my city, the temperatures are supposed to stay in the 90's through June! Well, never mind the outdoors . Weather Channel says it will stay consistently in mid-upper 90's. Weather Channels says it will go to low 90's, but will also hit 100 thrice. Either way, it will suck!
Dewpoints above 70 F/21 C since 9AM today. Disgusting weather. The rain this afternoon didn't even provide relief. Just a hot rain. This reminds me of summer 2013.
Oops from yesterdays, never pressed the button.
Was around 60°F with near 100% humidity since around sunrise. Pouring rain till 11, then misty. Just thick clouds this evening. Very cozy.
NATIONAL WEATHER SERVICE CHARLESTON SC
137 PM EDT TUE JUN 16 2015
.SYNOPSIS... ATLANTIC HIGH PRESSURE WILL REMAIN THE DOMINANT FEATURE OVER THE SOUTHEASTERN UNITED STATES THROUGH THIS WEEKEND WHILE A TROUGH OF
LOW PRESSURE PERSISTS INLAND. HIGH PRESSURE WILL THEN WEAKEN OVER
THE AREA EARLY NEXT WEEK.
.NEAR TERM /THROUGH TONIGHT/...
ANOTHER DAY OF OPPRESSIVE HEAT IS IN STORE AS THE REGION REMAINS
DIRECTLY UNDER AN EXPANSIVE UPPER LEVEL RIDGE. AT THE
SURFACE...A WEST-EAST ORIENTED HIGH PRESSURE RIDGE AXIS IS
CENTERED JUST NORTH OF THE BAHAMAS...WHILE A PIEDMONT TROUGH
LINGERS JUST NORTHWEST OF THE LOCAL AREA.
COMPRESSIONAL HEATING...DOWNSLOPE FLOW ALOFT AND VERY GOOD
INSOLATION DUE TO LIMITED CLOUD COVER WILL RESULT IN A VERY HOT
DAY ONCE AGAIN...WITH TEMPERATURES LIKELY TO REACH A DEGREE OR SO
HIGHER THAN OBSERVED VALUES MONDAY. THEREFORE...THE FORECAST
INDICATES HIGHS OF 99-101 FOR ALL AREAS INLAND FROM THE IMMEDIATE
COAST WHERE HIGHS SHOULD ONCE AGAIN BE IN THE LOWER TO MID 90S. AS
OF EARLY AFTERNOON...DEW POINT VALUES ARE RUNNING UPWARDS OF 2 DEGREES
WARMER THAN THE SAME TIME MONDAY...BUT SHOULD STILL MIX OUT INTO
THE MID AND UPPER 60S INLAND WHILE SURGING INTO THE MID 70S ALONG
THE COAST BEHIND THE SEA BREEZE. THE COMBINED EFFECT OF THE HOT
TEMPERATURES AND HUMIDITY WILL RESULT IN HEAT INDEX VALUES UPWARDS
OF 105-109 FOR MANY PARTS OF THE AREA THIS AFTERNOON...WITH HEAT
INDICES IN A FEW LOCATIONS POSSIBLY REACHING AS HIGH AS 112. THEREFORE...THE HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM.
LARGE SCALE SUBSIDENCE AND A WARM MID LEVEL ENVIRONMENT WILL KEEP
DIURNAL CONVECTION SPOTTY AND BRIEF AT BEST. ISOLATED
SHOWERS/TSTMS POSSIBLE MID TO LATE AFTERNOON...MAINLY WELL
INLAND.
MAINLY CLEAR WITH ANOTHER WARM NIGHT AHEAD...LOW TEMPS WILL BE QUITE
SIMILAR TO PREVIOUS MORNINGS...MID/UPPER 70S COAST WITH LOWER 70S IN
SOME INLAND RURAL LOCATIONS TO THE W OF I-95.
.SHORT TERM /WEDNESDAY THROUGH FRIDAY/...
ATLANTIC HIGH PRESSURE WILL REMAIN CENTERED DIRECTLY OVER THE SOUTHEASTERN UNITED STATES THROUGH MID WEEK WHILE A WESTERLY FLOW OCCURS ALOFT. AS A RESULT...A VERY WARM AND SOMEWHAT DRY PATTERN
WILL INITIALLY BE IN PLACE AS STRONG SFC HEATING OCCURS UNDER LARGE
SCALE SUBSIDENCE. THE MAIN ISSUE WILL CONTINUE TO BE HOT AND FAIRLY
HUMID CONDITIONS PRODUCING HEAT INDEX VALUES AROUND 105 DEGREES
DURING PEAK HEATING HOURS EACH AFTERNOON. HEAT INDEX VALUES WILL BE
HIGHLY DEPENDENT ON SFC DEWPTS...WHICH WILL LIKELY MIX OUT INTO THE
MID/UPPER 60S DURING PEAK HEATING EACH AFTERNOON...THEN INCREASE
BEHIND AN INLAND MOVING SEABREEZE DURING LATE AFTERNOON AND EVENING
HOURS.
1000-850MB THICKNESS VALUES CONTINUE TO SUPPORT MAX TEMPS ABOVE 100 DEGREES AWAY FROM THE COAST EACH AFTERNOON...AND GIVEN THE CURRENT
ATMOSPHERIC SETUP...WE COULD SEE A FEW LOCATIONS TOUCH 100 DEGREES
WELL INLAND...AT LEAST ON WEDNESDAY. MAX TEMPS SHOULD BE A DEGREE OR
TWO COOLER THURSDAY AND FRIDAY...MAINLY DUE TO INCREASED SHOWER AND
THUNDERSTORM COVERAGE ASSOCIATED WITH AN INLAND SFC TROUGH THAT
SLOWLY NUDGES CLOSER TO THE SOUTHEAST COAST. LOW TEMPS WILL REMAIN
MILD EACH NIGHT...IN THE MID/UPPER 70S.
.LONG TERM /FRIDAY NIGHT THROUGH MONDAY/...
A LARGE MID LVL RIDGE OF HIGH PRESSURE WILL PERSIST OVER THE SOUTHEASTERN UNITED STATES INTO THE WEEKEND...RESULTING IN A PROLONGED PERIOD OF WARM CONDITIONS. HOWEVER...HIGH TEMPS SHOULD BE
A DEGREE OR TWO COOLER SATURDAY AND SUNDAY AS A SFC TROUGH OF LOW
PRESSURE BECOMES MORE PRONOUNCED OVER THE SOUTHEASTERN UNITED
STATES. MODELS INSIST THAT A LOW OVER THE WESTERN GULF OF MEXICO
WILL EVENTUALLY LIFT NORTH INTO THE CENTRAL UNITED STATES...THEN
TRACK EAST AROUND A RETREATING ATLANTIC RIDGE CURRENTLY OVER THE
AREA. THIS SHOULD PUT THE LOW OVER THE MID ATLANTIC REGION BY LATE
WEEKEND AND LEAD TO INCREASED CHANCES OF SHOWERS AND THUNDERSTORMS
AS THE SFC TROUGH OF LOW PRESSURE BECOMES SLIGHTLY MORE PRONOUNCED
OVER THE SOUTHEASTERN UNITED STATES. A MID LVL TROUGH OF LOW
PRESSURE IS THEN EXPECTED TO SHIFT THROUGH THE MIDWEST AND TO THE
EASTERN SEABOARD EARLY NEXT WEEK...FORCING THE ATLANTIC HIGH TO
RETREAT OVER THE WESTERN ATLANTIC. AS A RESULT...HIGH TEMPS SHOULD
BE A DEGREE OR TWO COOLER ON MONDAY AND TUESDAY NEXT WEEK...WITH
POSSIBLY WIDER SHOWER AND THUNDERSTORM COVERAGE. AT THIS TIME...HAVE
MAINTAINED HIGH TEMPS IN THE MID 90S THROUGH THE WEEKEND...THEN
LOW/MID 90S EARLY NEXT WEEK. OVERNIGHT LOWS WILL REMAIN MILD...IN
THE MID 70S AWAY FROM THE COASTLINE.
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. Weather Channel says it will stay consistently in mid-upper 90's. Weather Channels says it will go to low 90's, but will also hit 100 thrice. Either way, it will suck!
