Their discharge has grown by a factor of ten within 24 hours.
The discharge of Geithellnaá was over 480 m3/s at noon 28th Dec., probably the greastest since 1971. The older maximum was 454 m3/s 31.10.1980.
The discharge of Fossá has now exceeded 220 m3/s. The last time it exceeded 200 m3/s was 29.12.2006 but the Fossá river maximum also occurred 31.10.1980, i.e. 395 m3/s.
River discharge
/about-imo/news/nr/3253
in the North and calmer in the East
The low pressure now north of Iceland
30.12.2015
The low is now north of Iceland and wind has started to decrease in the east. See frequently updated maps with wind forecast on our English web.
Forecast for next 24 hrs
/about-imo/news/nr/3258
Largest earthquakes during the last 48 hours | Largest | Icelandic Meteorological office
Largest earthquakes during the last 48 hours
SizeTimeQualityLocation
2.530.04 07:43:3059.590.2 km NNE of Kolbeinsey
2.429.04 20:24:30Check.175.2 km NNE of Kolbeinsey
2.129.04 18:40:07Check.2.9 km NE of Herðubreið
/m/earthquakes/largest
measurements from 13 magnetic observatories worldwide.
As the columns are higher and change colour from green to yellow or red, the Kp-index shows greater magnetic disturbances and one can expect more powerful aurora. The horizontal time-axis shows time of the day today from 0 to 24 hours (UTC - Icelandic standard time) with one column for each 3 hours. Below the main graph there are smaller 3
/weather/articles/nr/2549
over Reykjavík, 24 October 2009. Photo: Guðrún Pálsdóttir.
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Weather information via recorded messageTel: (+354) 902 0600
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subsiding
Warning due to flooding - update
27.2.2013
In accordance with yesterday's forecast, the Ölfusá river reached a maximum discharge of about 1,300 cubic metres per second at 07:30 UTC today. During the last 24 hours, over 17 mm of rainfall has been recorded
/about-imo/news/nr/2662
SizeTimeQualityLocation
2.030.04 14:11:0730.63.5 km NE of Básar
2.530.04 07:43:3059.590.2 km NNE of Kolbeinsey
2.429.04 20:24:30Check.175.2 km NNE of Kolbeinsey
2.129.04 18:40:07Check.2.9 km NE of Herðubreið
Altogether 4 earthquakes
View
All quakes
Quakes 3 and greater
Quakes 2 and greater
Quakes 1 and greater
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100 mm over 24 hours. Rising stream and river
levels are likely on the Snæfellsnes peninsula, around the Eyjafjallajökull and
Mýrdalsjökull ice-caps, and south of the Vatnajökull ice cap. Travellers are cautioned
against fording rivers in these regions.
On behalf of IMO
Elín Björk Jónasdóttir, coordinator of public weather services.
Hrafn Guðmundsson, forecaster on duty
Þorsteinn V. Jónsson
/media/frettir/vedur/2016-10-18_Ovedur_en.pdf
of
low frequency tremor suggestive of volcanic activity.
Earthquakes: Three earthquakes ranging in size from magnitude 0.9 to 1.2 have been
detected beneath Grímsvötn today.
GPS deformation: No change; see status report from 01 November 2010.
Overall assessment: Tremor levels at seismic station 'grf' have reduced slightly in the last
24 hours. Discharge measurements in the Gígja river show
/media/vatnafar/flod/Grimsvotn_status_2010-11-05_IES_IMO.pdf
in Iceland. For instance, at air temperature of -12 °C and wind speed of 12 m/s, the wind-chill equals -24°C in calm weather.
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