Flash Flood Watch in effect for surrounding mountain areas
The National Weather Service has issued a Flash Flood Watch for the Riverside County Mountains and San Bernardino County Mountains. The Flash Flood Watch will remain in effect through Wednesday morning.
Moderate to heavy rainfall will bring the potential for flash flooding late Tuesday morning into Wednesday morning. Heavy rain is expected Tuesday afternoon and into Tuesday evening. Rain totals in some mountain areas could reach four inches. Flash Flooding will especially be a threat for recent burn areas.
The full text from the National Weather Service is copied below:
Flash Flood Watch
FLOOD WATCHNATIONAL WEATHER SERVICE SAN DIEGO CA349 AM PST TUE DEC 2 2014…FLASH FLOOD WATCH FOR THE COASTAL…VALLEY…AND MOUNTAIN AREASLATE THIS MORNING INTO EARLY WEDNESDAY MORNING….DEEP SUBTROPICAL MOISTURE WILL MOVE INTO SOUTHERN CALIFORNIATODAY BRINGING MODERATE TO HEAVY RAIN AND THE POTENTIAL FORFLASH FLOODING FOR LATE THIS MORNING THROUGH EARLY WEDNESDAYMORNING. THE GREATEST THREAT FOR FLASH FLOODING AND DEBRIS FLOWSWILL BE ON STEEP COASTAL MOUNTAIN SLOPES AND IN AND BELOW THERECENT BURN AREAS. MODERATE TO HEAVY RAIN IN THE COASTAL ANDVALLEY AREAS WILL PRODUCE URBAN FLOODING…ESPECIALLY IN LOW-LYING AND OTHER POORLY DRAINED AREAS. THERE IS SOME RISK FOR FLASHFLOODING WEST OF THE MOUNTAINS SHOULD VERY INTENSE RAINFALLDEVELOP.CAZ043-050-056-058-022230-/O.CON.KSGX.FF.A.0011.141202T1700Z-141203T1800Z//00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/SAN DIEGO COUNTY COASTAL AREAS-SAN DIEGO COUNTY VALLEYS-RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-349 AM PST TUE DEC 2 2014…FLASH FLOOD WATCH REMAINS IN EFFECT FROM 9 AM PST THIS MORNINGTHROUGH WEDNESDAY MORNING…THE FLASH FLOOD WATCH CONTINUES FOR* LOCATIONS…A PORTION OF SOUTHWEST CALIFORNIA…INCLUDING THE FOLLOWING AREAS…RIVERSIDE COUNTY MOUNTAINS…SAN DIEGO COUNTY COASTAL AREAS…SAN DIEGO COUNTY MOUNTAINS AND SAN DIEGO COUNTY VALLEYS.* FROM 9 AM PST THIS MORNING THROUGH WEDNESDAY MORNING* RAINFALL…RAIN WILL DEVELOP THIS MORNING. RAINFALL WILL BECOME HEAVY AT TIMES THIS AFTERNOON INTO EARLY THIS EVENING. SHOWERS WILL CONTINUE INTO WEDNESDAY. THROUGH EARLY WEDNESDAY…RAINFALL IS EXPECTED TO RANGE FROM AROUND 1.5 INCHES AT THE COAST TO 2 TO 4 INCHES ON THE COASTAL MOUNTAIN SLOPES WITH LOCALLY GREATER AMOUNTS.* IMPACTS…FLASH FLOODING AND MUD AND DEBRIS FLOWS IN THE MOUNTAINS AND RECENTLY BURNED AREAS. COASTAL AND VALLEY AREAS WILL LIKELY HAVE URBAN FLOODING…WITH A SMALL RISK OF FLASH FLOODING SHOULD VERY HEAVY SHOWERS DEVELOP.PRECAUTIONARY/PREPAREDNESS ACTIONS…A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEADTO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTIONSHOULD FLASH FLOOD WARNINGS BE ISSUED.&&$$17 FLOOD WATCHNATIONAL WEATHER SERVICE SAN DIEGO CA349 AM PST TUE DEC 2 2014…FLASH FLOOD WATCH FOR THE COASTAL…VALLEY…AND MOUNTAIN AREASLATE THIS MORNING INTO EARLY WEDNESDAY MORNING….DEEP SUBTROPICAL MOISTURE WILL MOVE INTO SOUTHERN CALIFORNIATODAY BRINGING MODERATE TO HEAVY RAIN AND THE POTENTIAL FORFLASH FLOODING FOR LATE THIS MORNING THROUGH EARLY WEDNESDAYMORNING. THE GREATEST THREAT FOR FLASH FLOODING AND DEBRIS FLOWSWILL BE ON STEEP COASTAL MOUNTAIN SLOPES AND IN AND BELOW THERECENT BURN AREAS. MODERATE TO HEAVY RAIN IN THE COASTAL ANDVALLEY AREAS WILL PRODUCE URBAN FLOODING…ESPECIALLY IN LOW-LYING AND OTHER POORLY DRAINED AREAS. THERE IS SOME RISK FOR FLASHFLOODING WEST OF THE MOUNTAINS SHOULD VERY INTENSE RAINFALLDEVELOP.CAZ042-048-055-057-022230-/O.CON.KSGX.FF.A.0011.141202T1700Z-141203T1400Z//00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ORANGE COUNTY COASTAL AREAS-SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-SAN BERNARDINO COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-349 AM PST TUE DEC 2 2014…FLASH FLOOD WATCH REMAINS IN EFFECT FROM 9 AM PST THIS MORNINGTHROUGH LATE TONIGHT…THE FLASH FLOOD WATCH CONTINUES FOR* LOCATIONS…A PORTION OF SOUTHWEST CALIFORNIA…INCLUDING THE FOLLOWING AREAS…ORANGE COUNTY COASTAL AREAS…SAN BERNARDINO COUNTY MOUNTAINS…SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE AND SANTA ANA MOUNTAINS AND FOOTHILLS.* FROM 9 AM PST THIS MORNING THROUGH LATE TONIGHT* RAINFALL…RAIN WILL DEVELOP THIS MORNING. RAINFALL WILL BECOME HEAVY AT TIMES THIS AFTERNOON INTO EARLY THIS EVENING. SHOWERS WILL CONTINUE INTO WEDNESDAY. THROUGH EARLY WEDNESDAY…RAINFALL IS EXPECTED TO RANGE FROM AROUND 1.5 INCHES AT THE COAST TO 2 TO 4 INCHES ON THE COASTAL MOUNTAIN SLOPES WITH LOCALLY GREATER AMOUNTS.* IMPACTS…FLASH FLOODING AND MUD AND DEBRIS FLOWS IN THE MOUNTAINS AND RECENTLY BURNED AREAS…INCLUDING THE SILVERADO FIRE IN THE SANTA ANA MOUNTAINS. COASTAL AND VALLEY AREAS WILL LIKELY HAVE URBAN FLOODING…WITH A SMALL RISK OF FLASH FLOODING SHOULD VERY HEAVY SHOWERS DEVELOP.PRECAUTIONARY/PREPAREDNESS ACTIONS…AN EXTENDED PERIOD OF HEAVY RAINFALL MAY RESULT IN DEBRIS FLOWSIN THE SILVERADO FIRE IN THE SANTA ANA MOUNTAINS. FOR FURTHERINFORMATION ON DEBRIS FLOW HAZARDS…VISIT THE FOLLOWING USGSWEBSITE AT (HTTP://NHSS.CR.USGS.GOV/)&&$$
