Monthly Archives: May 2011

Those Orange Dashed Lines

A neighbor called last night to ask about the dashed orange lines on the Caribbean Synoptic Chart. I didn’t know, but I did remember reading about Tropical Waves and I thought they might have something to do with that. I … Continue reading

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No ITCZ

The Intertropical Convergence Zone is not showing up this morning on the Caribbean Synoptic Chart. However, just before sunrise, there were clouds in the area where one would expect the ITCZ. An interesting streak of clouds is running NE-SW across … Continue reading

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Sunny Morning Forecast

Even though the ITCZ is running right through the Pacific slope of Panama, with a low pressure system on either side of the country, the forecast is for a sunny morning in Chiriqui. The rain, possibly aguacerros, will likely come … Continue reading

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Low Pressure System

Yesterday’s low pressure system seems stalled off Costa Rica. We can probably expect weather a lot like yesterday’s – cloudy but little rain.

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Another Sunrise Shower

We had another shower at sunrise, not even enough to register on the rain gauge. There’s a low pressure system off the Pacific coast, and the ITCZ is quite visible on the Caribbean Synoptic Chart. No wonder Hidromet is predicting … Continue reading

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Local Shower

We had a little rain, very little, just at sunrise this morning. Interesting that ETESA should mention local effects in their Hidromet morning bulletin, even though they’re talking about the expected conditions this afternoon: Weather conditions will continue with few … Continue reading

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April Report

The April Report is up. Briefly, we had less rain than last April (thank goodness!), but more than average. A few more details in the report itself.

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Latest ENSO Discussion

The May ENSO discussion is in. It predicts that ENSO-neutral conditions will arrive this month or next. That possibly means close to “average” weather for us, although it may be that local conditions will override the global. A regional report, … Continue reading

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March Report Up, April Coming Soon

The March 2011 report is now up, and with luck the April report will be up this week. Meantime, the April ENSO Discussion has been published, reporting a further weakening of La Niña, although some folks who live in the … Continue reading

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March and April Summaries

The data for March and April are now available for viewing in the 2011 summary table on our archive page. If the March and April rows are still blank, try refreshing the page to get the new image. The reports … Continue reading

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