Annex B
TIMELINE OF
ACTIVITIES PRIOR
TO 24-25 JUNE
RAINFALL EVENT
17-20 June
Localised torrential downpours continued with
many Flash Warnings issued.
Thu 21 June
News Release issued to highlight unseasonable
weather over the midsummer period.[12]
Fri 22 June
Two potential disruptive heavy rainfall events
identified for the weekend and early part of the following week:
Scotland on Saturday/Sunday and a developing low later Sunday
and into Monday. NSWWS Early Warning issued.
Sat 23 June
Flash messages issued for downpours across E/NE
England. Long period Flash message (>25 mm/24hr) for Scotland.
Updated Early Warning for later on Sunday and during Monday with
highest probabilities for disruption in southern and eastern areas
of the UK, still some doubts about the exact track of the low.
Sun 24 June
Early Warning updated with highest probabilities
for disruption in an arc from Yorkshire and Humberside to the
Welsh Borders, with rainfall totals of "up to 100 mm or so".
Confidence in the track and depth of the low had increased, with
model solutions converging and strong signals from high resolution
models for 80-100mm. All EA flood forecasting duty officers contacted.
Mon 25 June
Flash Warnings issued for heavy and persistent
rain across the high risk areas during the day.
12 http://www.metoffice.gov.uk/corporate/pressoffice/2007/pr20070621.html Back
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