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Tropical Storm Laura (2008)

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Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On September 26, a large extratropical area of low pressure developed along a frontal system west of the Azores. The low intensified into the equivalent of a hurricane with winds of 80 mph (130 km/h) at 12:00  UTC on September 27. Over the following days, the low lost its frontal features and weakened as it traveled westward. By September 29, the low developed sufficient convection around the center, and the NHC classified it as Subtropical Storm Laura at 06:00 UTC. The subtropical designation was due to the storm's proximity to an upper-level low. At the time, Laura had peak winds of 60 mph (95 km/h), based on estimates from satellite imagery. The storm's wind field contracted as it moved northward, steered by the remnants of Hurricane Kyle over Atlantic Canada. On September 30, Laura's structure transitioned into a tropical cyclone, based on more organized convection, and the storm's distance from the upper-level low. This was despite the storm moving over colder waters at a relatively high latitude. Cold air and increasingly colder water temperatures caused Laura to lose tropical characteristics on October 1, as it became a remnant low to the southeast of Newfoundland. On October 2, the remnants of Laura became extratropical and re-intensified, attaining hurricane-force winds the next day to the southeast of Greenland. The storm turned to the east and was absorbed by a large extratropical cyclone on October 4 to the west of the British Isles. [1] [2] [3] [4]

Impact

Tropical Storm Laura
Laura 30 sept 2008 1655Z.jpg
Tropical Storm Laura at peak intensity on September 30
Wettest tropical cyclones and their remnants in the United Kingdom
Highest-known totals
PrecipitationStormLocationRef.
Rankmmin
1150.05.91 Bertha 2014 Inverness, Highland [5]
2135.05.31 Charley 1986 Abergwyngregyn, Gwynedd [6]
3130.05.12 Nadine 2012 Ravensworth, North Yorkshire [7]
476.02.99 Lili 1996 Chale Bay, Isle of Wight [8]
561.72.43 Zeta 2020 Chipping, Lancashire [9]
648.81.92 Grace 2009 Capel Curig, Conwy [10]
742.21.66 Gordon 2006 Wainfleet All Saints, Lincolnshire [11]
838.01.50 Gonzalo 2014 Glenmoriston, Highland [12]
931.01.22 Bill 2009 Shap, Cumbria [13]
1030.01.18 Laura 2008 Windermere, Cumbria [14]

Laura's remnants contributed to heavy rainfall across portions of Great Britain on October 5, causing floods that closed several roads. [15] [16] One person had to be rescued from her car after driving into a flooded street. The UK Environment Agency issued 76 flood watches and 21 severe flood warnings as a result of the rainfall. [17] On October 8, the remnants of Laura contributed to heavy rainfall in the Netherlands reaching 113 mm (4.4 in), [18] [19] Streets and homes in the village of Hippolytushoef were inundated. The large amounts of precipitation broke the daily and monthly rainfall records for October, which were previously set in 2006. [20] Gradually passing through Norway, the remnants of the storm caused significant damage to electric utilities. As a result, more than 10,000 people lost power in southern parts of the country. [21]

See also

References

  1. ↑ Richard J. Pasch (February 4, 2009). "Tropical Storm Laura Tropical Cyclone Report" (PDF). National Hurricane Center . Retrieved February 7, 2009.
  2. ↑ Stacy Stewart (September 29, 2008). "Subtropical Storm Laura Discussion One". National Hurricane Center. Retrieved September 29, 2008.
  3. ↑ Robbie Berg and Richard Pasch (September 30, 2008). "Tropical Storm Laura Discussion Six". National Hurricane Center. Retrieved September 30, 2008.
  4. ↑ Robbie Berg and Richard Pasch (September 30, 2008). "Tropical Storm Laura Discussion Seven". National Hurricane Center. Retrieved October 1, 2008.
  5. ↑ "Ex-hurricane Bertha" (PDF). Met Office. Met Office. Retrieved 15 October 2022.
  6. ↑ "Hydrological Data UK 1986 Yearbook" (PDF). Natural Environment Research Council. British Geological Survey Institute of Hydrology. Retrieved 15 October 2022.
  7. ↑ "Hydrological Summary for the United Kingdom - September 2012" (PDF). Natural Environment Research Council. British Geological Survey Institute of Hydrology. Retrieved 15 October 2022.
  8. ↑ David Longshore (1998). Encyclopedia of Hurricanes, Typhoons, and Cyclones, New Edition. New York: Facts on File. p. 110. ISBN   9781438118796 . Retrieved 2013-06-19.
  9. ↑ Finch, Fiona. "Warning over cost of record rainfall in Lancashire". Lancashire Post. Retrieved 15 October 2022.
  10. ↑ "Review of UK weather on 06/10/09". BBC Weather. 7 October 2009. Archived from the original on 11 October 2009. Retrieved 7 October 2009.
  11. ↑ "September 2006 UK Review". United Kingdom Met Office. 2006. Archived from the original on October 2, 2012. Retrieved May 9, 2011.
  12. ↑ "Top UK wind speeds as Gonzalo's remnants felt". Met Office Blog. Met Office. Retrieved 15 October 2022.
  13. ↑ Laura Harding (August 27, 2009). "More rain expected in parts of UK". The Independent. Retrieved November 19, 2009.
  14. ↑ "Tropical storm brings floods". Westmorland Gazette. Retrieved 15 October 2022.
  15. ↑ Paul Simons (October 4, 2008). "Weather: torrential rain expected as strong winds hit Wales and the South West". The Times. London. Retrieved October 5, 2008.[ dead link ]
  16. ↑ Staff Writer (2008). "Tropical storm brings floods". The Westmorland Gazette. Retrieved October 5, 2008.
  17. ↑ Kaya Burgess (October 6, 2008). "Met Office issues warning of more rain and floods". The Times. London. Retrieved May 18, 2009.[ dead link ]
  18. ↑ Rob Sluijter (2008). "5 oktober 2008: Wateroverlast in het noordwesten" (in Dutch). KNMI. Archived from the original on November 15, 2012. Retrieved October 8, 2008.
  19. ↑ Meteo Consult (2008). "De Noord-Hollandse 'zondvloed' nader bekeken" (in Dutch). Meteo Consult. Archived from the original on July 24, 2011. Retrieved October 8, 2008.
  20. ↑ KNMI (October 6, 2008). "De Noord-Hollandse 'zondvloed' nader bekeken" (in Dutch). Meteo Consult. Archived from the original on July 24, 2011. Retrieved May 8, 2009.
  21. ↑ Agnes Svalastog (October 5, 2008). "Kraftig uvær på Østlandet" (in Norwegian). NRK. Retrieved February 7, 2009.

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