| November 22 11:00 h (November 22 17:00 GMT)
In the last 24 hours the surveillance system of Popocatépetl volcano recorded 75 low-intensity exhalations, along with emissions of steam, gas and sometimes small amounts of ash. The most important were recorded yesterday at 16:52 h (local time) (image 1),and at 18:12 h (image 2).
Yesterday evening it was observed a non-stop emission of steam and gas which winds carried eastward (image 3) (image).
Overnight it was observed intense incandescence, increasing at the time of the major exhalations (image 4).
At the time of this report there is no visibility to the volcano because cloudy conditions. Nevertheless, during the morning it was observed with a flashing steam and gas emission dispersed eastward by winds (imagen 5).
At November 6, with the support of the Federal Police, an overflight to reconnoiter the crater of the volcano was made. During the flight, dome 53, emplaced during the activity of the night of the 4th to the 5th of November, was seen and estimated to be 250 m in diameter and 30 m thick (VIDEO 1). The presence of this dome could imply the occurrence of
explosions in the following days or weeks, as has happened on previous occasions, and does not imply, for the moment, a change in the alert level.
This type of activity is included within the scenarios
Volcanic Traffic Light Yellow Phase 2.
The scenarios foreseen for this phase are:
1. Explosive activity of low to intermediate level.
2. Ash fall in nearby towns.
3. Possibility of short range pyroclastic flows and mudflows .
Special emphasis is placed on the following recommendations:
1. Continue the safety radius of 12 km, so staying in that area is not allowed.
2. Keep the controlled traffic between Santiago Xalitzintla and San Pedro Nexapa through Paso de Cortés.
3. Civil Protection authorities, keep your preventive procedures, in accordance with their operational plans.
4. People, be alert to the official information disseminated.
In case of ashfall, address the following recommendations:
• Cover nose and mouth with a wet handkerchief or face mask.
• Clean eyes and throat with pure water.
• Avoid contact lenses to reduce eye irritation.
• Close windows or cover them up, and stay indoors as much as possible.
Popocatepetl Volcano monitoring is performed continuously 24 hours a day. Any change in activity will be reported in due course.