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Last update: 10:00, 5 Jul 2026
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Abu Arish is a market town in Jazan Province at the foot of the Fayfa highlands, ~30 km north of Jazan city. It sits at the transition between the Tihama coastal plain and the Fayfa mountain highlands (~1,500-2,000 m elevation) where rainfall is dramatically higher. The Fayfa highlands receive 229-581 mm annually — mostly July-September monsoon — and that rain drains through Abu Arish's valley system toward the Red Sea coast.
The town's position at the highland-to-plain transition makes it a flash-flood funnel. When Indian Ocean monsoon cells deliver intense rainfall to Fayfa highlands just 20 km east, runoff channels down through agricultural valleys toward Abu Arish within 30-45 minutes. The August 2024 regional extreme event (114 mm in one day at Jazan) demonstrated the severity of these events across Jazan Province. Simultaneously, Abu Arish serves as a supply hub for the Farasan Islands fisheries — fishermen and vessels need accurate coastal weather before heading offshore during the monsoon-disrupted August-September season.
RainViewer pulls radar data from regional meteorological networks, updated every 5 minutes.
Peak August-September as Indian Ocean thermal depression drives tropical-fringe convection. 'Kunnah' season: peak fishing season triggered by monsoon winds, also the most dangerous period for boat operations.
'Ghabra' dust storms — named monsoon-onset phenomenon — reduce visibility before the rain begins.
December-March sees light frontal rains; otherwise dry.
Fayfa terraced farms produce mangoes, bananas, and vegetables that pass through Abu Arish market toward Jazan city and beyond. Monsoon storms can flood the highland descent roads (Route 22 from Fayfa) making transport impossible for 2-4 hours. Checking the radar tells distributors whether to stage trucks at Abu Arish or proceed into the highlands.
Abu Arish serves as an inland provisioning hub for fishermen accessing Farasan Islands (~80 km offshore). August-September monsoon creates dangerous sea conditions. Radar combined with marine weather helps fishermen decide whether to depart for the islands or postpone until conditions improve.
Abu Arish valley drainage from Fayfa concentrates runoff that arrives rapidly. A live radar showing intense cells building over the highlands 20 km east tells residents with vehicles parked in low-lying areas to move immediately.
RainViewer aggregates radar data for Saudi Arabia from regional meteorological networks, updated every 5 minutes. Coverage focuses on the populated Hejaz corridor (Jeddah, Makkah, Madinah), the Najd plateau (Riyadh and central oasis cities), and the Eastern Province Gulf coast (Dammam, Al Khobar, Al Jubail). Coverage in remote interior desert and southern highlands varies.
During July-September, monitor for cells building over the Fayfa highlands east of Abu Arish. Monsoon storms typically develop afternoon-evening. If a cell is active over the highlands, flood risk in Abu Arish valley increases within 30-45 minutes.
Abu Arish valley drainage from Fayfa adds an extra flood risk layer that Jazan city's flat coastal position doesn't face. Both experience monsoon rain, but Abu Arish gets the combined coastal rain plus highland runoff. The funnel effect can make flash floods here more intense than at sea-level Jazan.
October-May is the safest window. August-September carries serious flash-flood risk on the mountain descent road. Check the radar before any Fayfa-bound trip during monsoon season.
Fayfa highland monsoon runoff channels through Abu Arish in under 30 minutes — a live radar is essential during August-September.
Standard weather apps update once or twice a day. By then, the flash flood is either done or parked over your location — you've lost the decision window.
Your weather app shows a general monsoon alert. RainViewer shows the intense cell active over Fayfa plateau, 20 km east, drainage reaching Abu Arish in 25 minutes.
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