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Thunder Storms and Flash Flooding hits Southwest California Sept 2014
Moisture from Pacific Tropical Storm Norbert and monsoonal
moisture will combine to produce showers and thunderstorms over parts of
the Southwest/Southern California/Great Basin and into parts of the
Southern/Central Rockies through Tuesday.
BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
109 PM PDT SUN SEP 7 2014
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR…
NORTHWESTERN RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA…
THIS INCLUDES THE CITIES OF…RIVERSIDE…MORENO VALLEY…
SOUTHWESTERN SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA…
THIS INCLUDES THE CITIES OF…SAN BERNARDINO…RIALTO…REDLANDS…
FONTANA…
* UNTIL 415 PM PDT
* AT 100 PM PDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS NEAR RIVERSIDE AND SAN BERNARDINO WHICH WILL LIKELY
PRODUCE FLASH FLOODING. THE THUNDERSTORMS WERE NEARLY STATIONARY.
INTERSTATES 10 AND 215 MAY BE IMPACTED.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
RUNNING SPRINGS…RUBIDOUX…PEDLEY…MUSCOY…LOMA LINDA…
HIGHLAND…CRESTLINE…COLTON AND BLOOMINGTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE…TURN AROUND…DONT DROWN.
El Niño 2014 Wet weather in the West Coast
El Niño Page
Are we going to have a El Niño this year?
More information will be posted soon
Beaumont, CA Flash Flood Warning is in effect – LIVE WEBCAM
Beaumont, CA 92223 Live Storm Cam
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FLASH FLOOD WARNING FOR…
NORTHWESTERN RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA…
SOUTHWESTERN SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA…
THIS INCLUDES THE CITIES OF…FOREST FALLS…YUCAIPA…REDLANDS…
* UNTIL 545 PM PDT
* AT 142 PM PDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM STORMS OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MENTONE…
FOREST FALLS…RUNNING SPRINGS AND HIGHLAND
* DRAINAGE IN THE FOREST FALLS AREAS INCLUDE MILLS CREEK…PROSPECT
CREEK…AND CLARKS CREEK…WHICH WILL LIKELY RUN HIGH AND OVERFLOW
THEIR BANKS.
Tropical Storm JULIETTE develops over Baja California Peninsula
Noaa has issued this message about the current status of Tropical Storm Juliette. It is also expected to bring showers to parts of Southern California by Friday Evening and Early Saturday.
THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON NEWLY FORMED
TROPICAL STORM JULIETTE…WHICH IS APPROACHING CABO SAN LUCAS ON
THE SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA.
1. A BROAD AREA OF LOW PRESSURE IS LOCATED ABOUT 800 MILES SOUTH-
SOUTHWEST OF THE SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA.
DEVELOPMENT…IF ANY…OF THIS SYSTEM IS EXPECTED TO BE SLOW TO
OCCUR DURING THE NEXT COUPLE OF DAYS WHILE IT MOVES NORTHEASTWARD
OR NORTH-NORTHEASTWARD AT ABOUT 10 MPH. THIS SYSTEM HAS A LOW
CHANCE…10 PERCENT…OF BECOMING A TROPICAL CYCLONE DURING THE
NEXT 48 HOURS. THIS SYSTEM IS FORECAST TO REACH COOLER WATERS IN
TWO TO THREE DAYS AND SIGNIFICANT DEVELOPMENT AFTER THAT TIME IS
NOT EXPECTED. THIS SYSTEM HAS A LOW CHANCE…20 PERCENT… OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 5 DAYS.
2. SHOWER ACTIVITY ASSOCIATED WITH AN AREA OF LOW PRESSURE LOCATED
ABOUT 1500 MILES WEST-SOUTHWEST OF THE SOUTHERN TIP OF THE BAJA
CALIFORNIA PENINSULA HAS BECOME A LITTLE BETTER ORGANIZED.
CONDITIONS ARE MARGINALLY FAVORABLE FOR ADDITIONAL DEVELOPMENT OF
THIS SYSTEM DURING THE NEXT FEW DAYS. THIS DISTURBANCE HAS A LOW
CHANCE…20 PERCENT…OF BECOMING A TROPICAL CYCLONE DURING THE
NEXT 48 HOURS…AND A MEDIUM CHANCE…30 PERCENT…OF BECOMING A
TROPICAL CYCLONE DURING THE NEXT 5 DAYS.
Does Tropical Storm Ivo have a more powerful brother? More Rain for Southern California…
It looks like more rain may be on the way for Southern California, as we have a 60% Chance another Tropical Storm is forming just South of Mexico.
NOAA NHC Message
THIS SYSTEM HAS A HIGH CHANCE…60 PERCENT…OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS…AND A HIGH
CHANCE…80 PERCENT… OF BECOMING A TROPICAL CYCLONE DURING THE
NEXT 5 DAYS WHILE IT MOVES WEST-NORTHWESTWARD AT 15 MPH. LOCALLY
HEAVY RAINFALL IS EXPECTED TO CONTINUE OVER PORTIONS OF SOUTHERN
MEXICO DURING THE NEXT FEW DAYS IN ASSOCIATION WITH THE LOW…AND
INTERESTS IN THAT AREA SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.
We have an area of Low pressure to our South and another High pressure west of Central California.
Expected the High and Low pressure convergence to possibly generate more thunder storms and flash flooding to Western States thru Sunday.
Sources:
http://www.weather.gov/satellite#ir
http://www.nws.noaa.gov/outlook_tab.php
http://radar.weather.gov/Conus/southrockies.php
UPDATED: Flash Flood Watch for Beaumont/Banning and Low Deserts Extended thru Wednesday
Monsoonal moisture and moisture from the remnants of Tropical Storm Ivo will continue to increase today and spread slightly farther west into portions of the inland valleys.
LIGHT TO MODERATE SHOWERS ARE EXPECTED TO CONTINUE BEYOND 5 PM.
AT 330 PM AN AREA OF SHOWERS EXTENDED FROM NEAR CAMPO…NORTH TO
THE LUCERNE VALLEY AREA. THERE WERE ALSO MODERATE SHOWERS BETWEEN
ONTARIO AND WRIGHTWOOD. THE SHOWERS WERE MOVING NORTH AT ABOUT 20
MPH. RAINFALL AMOUNTS OF UP TO 0.05 INCHES PER HOUR CAN BE
EXPECTED FROM THE HEAVIEST SHOWERS.
MONSOONAL MOISTURE AND MOISTURE FROM THE REMNANTS OF TROPICAL
STORM IVO WILL CONTINUE TO INCREASE TODAY AND SPREAD SLIGHTLY
FARTHER WEST INTO PORTIONS OF THE INLAND VALLEYS. IT IS POSSIBLE
THAT CLOUD COVER COULD MAKE FOR A LITTLE LESS THUNDERSTORM
ACTIVITY THIS AFTERNOON…BUT IF THUNDERSTORMS DO FORM…HEAVY
RAINFALL AND FLASH FLOODING ARE LIKELY…ESPECIALLY IN THE
MOUNTAINS AND DESERTS WITH ISOLATED FLASH FLOODING IN THE INLAND
VALLEYS. THERE SHOULD BE BETTER SURFACE HEATING TOMORROW…AND SO
ANOTHER ROUND OF WIDESPREAD THUNDERSTORMS AND HEAVY SHOWERS IS
LIKELY TUESDAY AFTERNOON THROUGH EARLY EVENING IN THE MOUNTAINS
AND DESERTS…SO THE FLASH FLOOD WATCH WAS EXTENDED THROUGH
TUESDAY EVENING FOR THOSE AREAS. HEAVY RAINFALL IN BURN AREAS OF
THE PAST 2 YEARS WILL LIKELY LEAD TO MUD AND DEBRIS FLOWS NEAR
AND BELOW THOSE BURN AREAS. ISOLATED THUNDERSTORMS WITH LOCALLY
HEAVY RAINFALL ARE ALSO POSSIBLE THROUGH LATE TONIGHT THROUGH
EARLY TUESDAY MORNING DUE TO AN UPPER DISTURBANCE MOVING THROUGH.
Inland Empire braces for Tropical Storm ivo remnants expected to bring rain showers thunder storms
Expect some wet weather and thunder storm rolling in soon, when the remnants of Tropical Storm ivo approach the west coast. It may be gaining speed..
…POTENTIAL FOR WARM AND HUMID CONDITIONS SUNDAY INTO EARLY NEXT
WEEK WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS…
A TROPICAL DISTURBANCE LOCATED ABOUT 400 MILES SOUTHWEST OF CABO SAN
LUCAS IS EXPECTED TO TRACK NORTHWARD…REACHING THE COAST OF CENTRAL
BAJA BY SUNDAY. THE EXACT TRACK OF THE SYSTEM THEREAFTER IS IN
QUESTION…WITH SOME MODELS SHOWING A TRACK OVER NORTHERN BAJA
MONDAY AND MONDAY NIGHT…AND OTHERS SHOWING THE SYSTEM WOBBLING OFF
THE COAST AND DISSIPATING.
AT THIS TIME…IT APPEARS AS THOUGH MOISTURE WITH THIS TROPICAL
SYSTEM WILL SPREAD INTO NORTHERN BAJA AND THE DESERTS OF SOUTHEAST
CALIFORNIA SUNDAY…WHERE THERE WILL BE THE POTENTIAL FOR HEAVY
RAINFALL. NO RAINFALL IS EXPECTED IN OUR REGION ON SUNDAY.
SUNDAY COULD BECOME A RATHER HOT DAY AS PRESSURE GRADIENTS ARE
FORECAST TO TURN OFFSHORE. THIS COULD ALLOW TEMPERATURES TO SOAR
ABOVE 100 DEGREES ACROSS PORTIONS OF THE VALLEYS…LOWER ELEVATIONS
IN THE MOUNTAINS AND THE ANTELOPE VALLEY…DEPENDING UPON THE AMOUNT
OF MID LEVEL CLOUDINESS THAT SPREADS INTO THE REGION. IN ADDITION…
INLAND PORTIONS OF THE COASTAL PLAIN COULD SEE A GOOD RISE IN
TEMPERATURES.
THERE WILL LIKELY BE SOME INCREASE IN LOW AND MID LEVEL MOISTURE
ACROSS THE REGION MONDAY AND MONDAY NIGHT…BUT IT APPEARS THAT
THE SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WILL BE CONFINED TO
THE MOUNTAINS OF LOS ANGELES COUNTY AND THE ANTELOPE VALLEY.
INCREASED HUMIDITY LEVELS ON MONDAY WILL BRING THE POTENTIAL FOR
INCREASED DISCOMFORT. HOWEVER…THERE SHOULD BE ENOUGH CLOUD COVER
TO KEEP HEAT INDEX VALUES BELOW EXCESSIVE HEAT WARNING THRESHOLDS.
OVERNIGHT LOW TEMPERATURES WILL BE RATHER HIGH SUNDAY NIGHT AND
MONDAY NIGHT…LIKELY REMAINING IN THE 70S IN SOME VALLEY AND
FOOTHILL LOCATIONS…AND POSSIBLY FALLING ONLY TO NEAR 80 DEGREES
IN THE ANTELOPE VALLEY.
SINCE THERE IS STILL A LOT OF UNCERTAINTY WITH THIS SYSTEM…PLEASE
MONITOR WEATHER.GOV/LOSANGELES ON THE INTERNET…OR STAY TUNED TO
NOAA WEATHER RADIO…OR YOUR FAVORITE NEWS SOURCE ON THIS DEVELOPING
WEATHER SITUATION.
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT FRI AUG 23 2013
FOR THE EASTERN NORTH PACIFIC…EAST OF 140 DEGREES WEST LONGITUDE..
THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON RECENTLY
UPGRADED TROPICAL STORM IVO…LOCATED ABOUT A COUPLE HUNDRED MILES
SOUTH-SOUTHWEST OF CABO SAN LUCAS MEXICO.
TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS.
OTHER SYSTEMS WITH FORMATION POTENTIAL BEYOND 48 HOURS…
AN AREA OF LOW PRESSURE COULD FORM SOUTH OF THE SOUTHERN COAST OF
MEXICO BY EARLY NEXT WEEK…AND ENVIRONMENTAL CONDITIONS APPEAR
CONDUCIVE FOR GRADUAL DEVELOPMENT. THIS SYSTEM HAS A LOW CHANCE…
NEAR 0 PERCENT…OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48
HOURS…AND A MEDIUM CHANCE…40 PERCENT…OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 5 DAYS.