1200km south 5R8 26-28-08-2009

1200 km path to the south coast of Madagascar

- On 25/08/2009 we had very nice weather conditions. Clear blue sky all day, no wind.
- On 26/08/2009 morning, we had rain and lower T°, a cold front was reaching us. Rainy wx all day until early evening.
- Then, i started to get rx at 1200km.....on 26/08/2009 1943 utc - last peak was on 27/08/2009 at 2150 utc
- On the south of Madagascar there is a high pressure cell growing, between 2 cold fronts.
- See on the visible map, how the weather looks like on the south of Madagascar ; a belt of "clear" weather is forming.

The general situation :

1-The Hepburn predictions

2-The radiosounding data

290 48 303.3 310.3 303.7


 310 51 305.6 316.4 306.3

3-The predicted data from NOAA Air Resources Laboratory - GDAS1 Profile




South 5R8 25sep2009 12z	South 5R8 25sep2009 21z
HEIGHT DT/DZ TDIFF CRITICAL INVERSION 401. 0.000 -0.1 619. 0.000 0.0 842. 0.000 0.1 1069. 0.000 0.1 1538. 0.003 1.3 2032. 0.011 5.3 ** 2557. 0.008 4.3 3115. 0.009 5.1 3711. 0.006 3.3 4346. 0.004 2.5 5027. 0.005 3.5 5760. 0.002 1.6 6551. 0.003 2.2 7414. 0.002 1.9 8366. 0.004 3.9 9434. 0.005 4.8 10667. 0.009 10.7 12134. 0.006 8.5 13961. 0.011 19.8 16478. 0.015 37.8 20716. 0.023 95.5 26496. 0.030 **	HEIGHT DT/DZ TDIFF CRITICAL INVERSION 411. 0.000 0.0 629. 0.000 -0.1 851. 0.000 0.1 1078. 0.000 0.1 1545. 0.002 0.8 2039. 0.017 8.4 ** 2569. 0.011 5.8 3131. 0.005 2.8 3730. 0.007 4.1 4370. 0.005 3.5 5057. 0.004 3.0 5794. 0.001 0.5 6588. 0.003 2.1 7455. 0.003 2.4 8409. 0.003 2.7 9480. 0.004 4.6 10709. 0.006 7.9 12166. 0.008 11.1 13996. 0.011 20.2 16508. 0.014 34.5 20743. 0.022 94.5 26525. 0.030 **
South 5R8 26sep2009 03z	South 5R8 26sep2009 12z
HEIGHT DT/DZ TDIFF CRITICAL INVERSION 410. 0.000 0.0 628. 0.000 0.0 850. 0.000 0.0 1076. 0.000 0.1 1543. 0.002 1.0 2038. 0.022 11.0 ** 2571. 0.011 5.6 3139. 0.007 3.7 3742. 0.003 2.1 4382. 0.003 1.9 5067. 0.003 2.3 5802. 0.002 1.3 6595. 0.003 2.2 7461. 0.003 2.7 8418. 0.004 3.4 9490. 0.004 4.6 10718. 0.005 6.1 12175. 0.008 12.1 14006. 0.011 20.5 16505. 0.012 31.1 20727. 0.024 26482. 0.029 **	HEIGHT DT/DZ TDIFF CRITICAL INVERSION 409. 0.000 0.0 627. 0.000 0.1 849. 0.000 0.1 1076. 0.001 0.2 1545. 0.007 3.5 ** 2047. 0.021 10.7 2583. 0.004 2.4 3148. 0.004 2.0 3748. 0.005 3.1 4390. 0.006 3.6 5077. 0.004 2.9 5816. 0.003 1.9 6615. 0.002 1.3 7484. 0.003 2.7 8442. 0.003 2.4 9512. 0.003 2.9 10732. 0.004 4.6 12179. 0.010 13.9 14000. 0.010 19.0 16494. 0.015 36.4 20734. 0.022 95.0 26506. 0.029 **
South 5R8 26sep2009 18z	South 5R8 27sep2009 03z
HEIGHT DT/DZ TDIFF CRITICAL INVERSION 419. 0.000 -0.1 638. 0.000 0.0 860. 0.000 0.1 1087. 0.001 0.3 1557. 0.012 5.5 ** 2060. 0.016 7.9 2594. 0.004 2.3 3159. 0.005 3.0 3760. 0.007 4.3 4404. 0.006 3.6 5094. 0.004 2.6 5836. 0.002 1.4 6635. 0.001 1.1 7504. 0.003 2.3 8461. 0.002 2.0 9529. 0.002 2.2 10746. 0.005 5.7 12189. 0.009 12.6 14010. 0.012 22.4 16515. 0.013 33.3 20737. 0.023 96.6 26510. 0.029 **	HEIGHT DT/DZ TDIFF CRITICAL INVERSION 410. 0.000 0.0 628. 0.000 0.0 851. 0.001 0.1 1079. 0.002 0.4 1550. 0.012 5.6 ** 2053. 0.012 6.2 2586. 0.006 3.2 3151. 0.007 4.0 3754. 0.007 4.5 4400. 0.005 3.4 5091. 0.002 1.7 5831. 0.001 1.0 6629. 0.002 1.9 7500. 0.003 2.9 8459. 0.001 1.3 9527. 0.002 2.4 10742. 0.003 4.2 12195. 0.013 19.1 14029. 0.009 16.5 16517. 0.012 29.7 20727. 0.024 26484. 0.029 **
South 5R8 27sep2009 12z	South 5R8 27sep2009 18z
HEIGHT DT/DZ TDIFF CRITICAL INVERSION 406. 0.000 0.0 626. 0.000 0.0 849. 0.001 0.3 1078. 0.006 1.4 1554. 0.014 6.9 ** 2060. 0.008 4.1 2595. 0.006 3.0 3162. 0.006 3.4 3766. 0.006 3.7 4411. 0.005 3.2 5101. 0.003 2.0 5841. 0.001 0.9 6639. 0.003 2.3 7511. 0.003 2.5 8471. 0.002 2.1 9540. 0.002 1.7 10755. 0.004 4.8 12204. 0.011 16.4 14031. 0.010 17.7 16525. 0.013 31.5 20745. 0.024 26514. 0.030 **	HEIGHT DT/DZ TDIFF CRITICAL INVERSION 418. 0.000 0.0 637. 0.000 -0.1 861. 0.000 0.0 1088. 0.002 0.4 1561. 0.012 5.8 ** 2065. 0.011 5.7 2599. 0.006 3.4 3165. 0.006 3.3 3768. 0.006 3.6 4411. 0.004 2.8 5100. 0.004 2.6 5839. 0.002 1.3 6638. 0.003 2.5 7511. 0.003 2.9 8472. 0.002 2.1 9543. 0.001 1.3 10761. 0.006 7.7 12228. 0.012 17.1 14061. 0.007 12.9 16541. 0.013 31.2 20739. 0.025 26516. 0.031 **

4-The surface pressure chart

5-The visible map

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