16E Poses Significant Flood Risk For Desert Southwest, Mid-Atlantic Mess This Week

Written by on September 21, 2015 in Autumn 2015, Summer 2015, Tropical, United States of America with 0 Comments

Record heat has been the focus across Southern California in recent days with highs of 98 in Downtown Los Angeles yesterday. It got to a record 105 in Paso Robles, 104 in Woodland Hillsm and Burbank while Long Beach topped 100.

…HIGH TEMPERATURE REPORTS FOR TODAY…

LOCATION                     TEMP      TIME/DATE       ELEVATION

…LOS ANGELES COUNTY…
SANTA FE DAM                 109 F     0257 PM 09/20   500 FT
NEWHALL PASS                 106 F     0156 PM 09/20   2134 FT
BURBANK (BOB HOPE APT.)      104 F     0253 PM 09/20   778 FT
DEL VALLE                    104 F     0155 PM 09/20   1277 FT
MALIBU CYN.                  104 F     0256 PM 09/20   609 FT
WOODLAND HILLS (6 SW)        104 F     0200 PM 09/20   1305 FT
WHITTIER HILLS               104 F     0257 PM 09/20   950 FT
VAN NUYS APT.                104 F     0334 PM 09/20   799 FT
SAN RAFAEL HILLS             103 F     0256 PM 09/20   1770 FT
SAUGUS                       103 F     0457 PM 09/20   1450 FT
CLAREMONT                    102 F     0155 PM 09/20   1645 FT
EL MONTE APT.                102 F     0345 PM 09/20   295 FT
TONNER CANYON                102 F     0257 PM 09/20   1338 FT
AZUSA                        100 F     0200 PM 09/20   597 FT
SANTA CLARITA                100 F     0200 PM 09/20   1230 FT
MONTEBELLO (2 E)             100 F     0200 PM 09/20   246 FT
LITTLE TUJUNGA               100 F     0354 PM 09/20   1390 FT
POMONA APT.                  100 F     0247 PM 09/20   1010 FT
POPPY PARK                   100 F     0256 PM 09/20   2759 FT
SADDLEBACK BUTTE             100 F     0256 PM 09/20   2590 FT
TOPANGA                      100 F     0257 PM 09/20   1600 FT
PACOIMA (WHITEMAN APT.)      100 F     0347 PM 09/20   1003 FT

…SAN LUIS OBISPO COUNTY…
PASO ROBLES APT              105 F     0357 PM 09/20   810 FT
ARROYO GRANDE                102 F     0154 PM 09/20   1047 FT
LAS TABLAS                   102 F     0307 PM 09/20   967 FT

…SANTA BARBARA COUNTY…
LOS PRIETOS                  102 F     1235 PM 09/20   982 FT
SANTA YNEZ APT.              100 F     0235 PM 09/20   671 FT

…VENTURA COUNTY…
CASITAS                      103 F     1209 PM 09/20   639 FT
TEMESCAL                     103 F     0212 PM 09/20   1124 FT
PIRU                         102 F     1200 PM 09/20   1040 FT
OJAI                         100 F     1200 PM 09/20   765 FT

OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING
EQUIPMENT AND EXPOSURE. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.

However, temps are now gradually as humidity increases and showers and storms begin to develop as far west as LA.

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Flooding rainfall becomes the focus further east today through Wednesday as the combination of a low spinning off San Diego and a high over the Four Corners pulls rich tropical moisture associated with sixteen E up into the Desert Southwest.

two_pac_2d0(3)

noaa

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This thing has a LOT of moisture with it and factoring in daytime heating and you’ve got a highly energetic and explosive atmosphere.

72 hour rain totals

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Latest view

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GFS surface through the next 24 hours.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

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Screen_shot_2015_09_21_at_3_57_11_AM

Drought remains a major problem throughout the West.

20150915_west_trd

However there has been improvement in the last 6 months.

20150915_west_chng_6M

Meanwhile models show the organisation of a low just off the Eastern Seaboard this week that’s likely to bring coastal gales and flooding. The very warm waters are likely to feedback, enhancing the offshore system and this looks to be a multiday mess from the Carolinas up through Virginia, Delaware, Maryland into New Jersey mid to late this week.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

CFS 2m temp anomalies next 15 days.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

See video for the discussion.

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