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Dust Over Bab-el-Mandeb Strait

12.5N 42.5E

June 9th, 2013 Category: Dust Storms MODISAqua

Red Sea – June 9th, 2013

Dust hangs over the Bab-el-Mandeb Strait, which connects the Red Sea (upper left) to the Gulf of Aden (right). The dust is most concentrated over the nation of Djibouti and southern Eritrea, by the entrance to the strait itself, although it also veils parts of Yemen, Ethiopia and Somalia.

View of Tropical Cyclone 04A at Peak Intensity

8.8N 55.0E

December 27th, 2012 Category: Tropical Storms

Tropical Depression ARB 02 – December 23rd, 2012

Enhanced image

Track of Tropical Depression ARB 02 - December 22nd, 2012 © Univ. of Wisconsin

Track of TD ARB 02

Deep Depression ARB 02, or Tropical Cyclone 04A, began as a low pressure area over the Arabian Sea on 19 December and was active until 25 December, just off the coast of the Horn of Africa. This image shows the storm while it was near its peak intensity, which included winds of 55 km/h (35 mph) (3-min) and central pressure of 1002 mbar (hPa). No deaths associated with the storm have been reported.

Tropical Cyclone 04A Weakening

9.1N 56.4E

December 25th, 2012 Category: Tropical Storms

Tropical Depression ARB 02 – December 23rd, 2012

Enhanced image

Track of Tropical Depression ARB 02 - December 22nd, 2012 © Univ. of Wisconsin

Track of TD ARB 02

Deep Depression ARB 02, or Tropical Cyclone 04A, began as a low pressure area over the Arabian Sea near 7.3°N and 70.7°E on 19 December. It slowly tracked westwards, organizing itself and intensifying into a Depression by 1100 UTC of 22 December.

The Joint Typhoon Warning Center (JTWC) upgraded the storm into a Tropical Cyclone by 0300 UTC of 23 December, followed by Deep Depression status by the morning hours of the same day. However the storm encountered a strong wind sheer on 24 December, causing its low-level circulation center to fully expose, prompting JTWC to issue the final advisory on the storm. Further weakening ensued, and the IMD downgraded ARB 02 into a low pressure area on 25 December.

Tropical Cyclone 04A Still Moving Towards Somalia

9.5N 53.6E

December 24th, 2012 Category: Tropical Storms

Tropical Depression ARB 02 – December 22nd, 2012

Enhanced image

Track of Tropical Depression ARB 02 - December 22nd, 2012 © Univ. of Wisconsin

Track of TD ARB 02

As of 0600 UTC, 24 December 2012, Deep Depression ARB 02, or Tropical Cyclone 04A, was located near latitude 8.3°N and longitude 53.8°E, about 430 km southeast of Ras Binnah.

The storm is forecast to intensify further and move west-southwestwards towards the Somalia coast in the next 48 hours. Maximum sustained winds are at 55 km/h (35 mph) gusting to 75 km/h (45 mph). Central pressure is estimated at 1002 hPa.

Tropical Cyclone 04A Expected to Make Landfall Over Somalia

8.0N 55.8E

December 24th, 2012 Category: Tropical Storms

Tropical Depression ARB 02 – December 22nd, 2012

Enhanced image

Track of Tropical Depression ARB 02 - December 22nd, 2012 © Univ. of Wisconsin

Track of TD ARB 02

Deep Depression ARB 02 has strengthened into Tropical Cyclone 04A. The system is currently located approximately 280 nm southeast of Cape Guardafui, Somalia, after tracking westward at 17 knots over the past six hours.

Animated enhanced infrared satellite imagery shows the system has maintained organization and deep convective bands around a well-defined low level circulation center. The cyclone continues to exhibit good outflow on the poleward side which is countering the negative effects of moderate (15-20 knot) easterly vertical wind shear (VWS), as evident on animated water vapor satellite imagery. Maximum significant wave height is 16 feet.

With little change in the upper level environment along the forecast track, TC 04A is expected to maintain its current intensity until it makes landfall along the northeast coast of Somalia after TAU 24. The system will dissipate over land by TAU 36 due to increased vws and land interaction.

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