Overall Green alert Tropical Cyclone for JULIAN-21
Off-shore
Impact Single TC
Impact based on all weather systems in the area

Impact

Tropical Cyclone JULIAN-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source ECMWF
Exposed countries
Exposed population No people in Category 1 or higher
Maximum wind speed 83 km/h
Maximum storm surge 1.3 m (29 Aug 16:45 UTC)
Vulnerability --

GDACS Score

GDACS alert score for Tropical Cyclones is 0.5 (GREEN Alert), 1.5 (ORANGE Alert), 2.5 (RED Alert)
For more info on GDACS alert score click here.
  Wind Storm surge Rainfall GDACS score
ECMWF Current 83 km/h 1.3 m 132 mm 0.5
ECMWF Overall 72 km/h 1.3 m 132 mm 0.5

Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

Wind

72 km/h

No people by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

No exposed population (in Tropical Storm or higher) based on the bulletin of 29 Aug 2021 12:00 UTC

See TC classification SSHS


Wind Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Winds (km/h) Pop in Cat. 1 or higher TS Cat. 1 Cat. 2 Cat. 3 Cat. 4 Cat. 5 Countries
GREEN 1 28 Aug 2021 12:00 65 -
- - - - - Canada
GREEN 2 29 Aug 2021 00:00 61 - - - - - - -
GREEN 3 29 Aug 2021 12:00 104 - - - - - - -
Download:





Impact estimation for the next 72h




Rain exposed population - AoIs

No exposed population (greater than 50mm) based on the bulletin of 29 Aug 2021 12:00 UTC

Rain Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 28 Aug 2021 12:00 69 - - - - - - -
Blue 2 29 Aug 2021 00:00 83 - - - - - - -
Blue 3 29 Aug 2021 12:00 198 - - - - - - -




Impact estimation for the next 72h

StormSurge

1.3 m

The maximum Storm surge height is  1.3m in Great Brule, Canada. This height is estimated for 29 Aug 2021 16:45 UTC .

The JRC has developed an experimental global storm surge model, which is run after each advisory issued by the regional tropical cyclone centres. The calculations are published about 20 minutes after a new advisory is detected by GDACS. The calculations identify the populated places affected by storm surge up to three days in advance, using the forecasted track. When forecasts change, the associated storm surge changes too and alert levels may go up or down. All links, data, statistics and maps refer to the latest available calculation. If the calculation for the last advisory is not completed, the latest available calculation is shown.

Storm Surge Exposed population - AoIs


Storm Surge Exposed locations

Calculation based on the bulletin of 29 Aug 2021 12:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
29 Aug 2021 16:45 Great Brule Canada  1.3
29 Aug 2021 16:45 Spencers Cove Canada  1.3
29 Aug 2021 16:45 Come By Chance Canada  1.3
29 Aug 2021 16:45 Sunnyside Canada  1.3
29 Aug 2021 16:45 Chance Cove Canada  1.3
29 Aug 2021 16:45 Woody Island Canada  1.3
29 Aug 2021 16:45 Sound Island Canada  1.3
29 Aug 2021 16:45 Swift Current Canada  1.2
29 Aug 2021 20:45 Tacks Beach Canada  1.0
30 Aug 2021 08:45 Bartletts Harbour Canada  0.9
30 Aug 2021 08:45 Bird Cove Canada  0.9
30 Aug 2021 08:45 Saint Barbe Canada  0.9
29 Aug 2021 20:45 Harbour Buffet Canada  0.9
29 Aug 2021 19:15 Seal Cove Canada  0.8
29 Aug 2021 19:15 Little Bay Canada  0.8
29 Aug 2021 19:15 Hermitage-Sandy Hill Canada  0.8
29 Aug 2021 19:15 Hermitage Canada  0.8
29 Aug 2021 19:15 Harbour Breton Canada  0.8
31 Aug 2021 17:30 Bellevue Canada  0.7
31 Aug 2021 17:30 Chapel Arm Canada  0.7
31 Aug 2021 17:30 Dildo Canada  0.7
31 Aug 2021 17:30 New Harbour Canada  0.7
31 Aug 2021 17:30 Greens Harbour Canada  0.7
31 Aug 2021 17:30 Cavendish Canada  0.7
31 Aug 2021 17:45 Heart's Delight-Islington Canada  0.7
31 Aug 2021 17:45 Heart's Content Canada  0.7
31 Aug 2021 17:45 Little Heart's Ease Canada  0.7
29 Aug 2021 20:45 Clattice Harbour Canada  0.7
29 Aug 2021 20:45 Monkstown Canada  0.7
31 Aug 2021 17:45 Saint Jones Within Canada  0.6
31 Aug 2021 17:45 Southport Canada  0.6
31 Aug 2021 17:45 New Perlican Canada  0.6
31 Aug 2021 17:45 Winterton Canada  0.6
30 Aug 2021 08:45 Flower Cove Canada  0.6
01 Sep 2021 06:45 Hickman's Harbour Canada  0.6
01 Sep 2021 06:45 Deer Harbour Canada  0.6
31 Aug 2021 14:45 Cooks Harbour Canada  0.6
31 Aug 2021 14:45 Raleigh Canada  0.6
01 Sep 2021 06:45 Hants Harbour Canada  0.6
01 Sep 2021 06:45 Victoria Canada  0.6
31 Aug 2021 15:00 Ship Cove Canada  0.6
29 Aug 2021 20:45 Merasheen Canada  0.6
29 Aug 2021 20:45 Red Island Canada  0.6
01 Sep 2021 06:45 Burgoynes Cove Canada  0.6
01 Sep 2021 06:45 Ivanhoe Canada  0.6
29 Aug 2021 18:30 Grand Bank Canada  0.6
29 Aug 2021 18:30 Grand Beach Canada  0.6
30 Aug 2021 01:30 Forteau Canada  0.6
30 Aug 2021 01:30 L' Anse-au-Loup Canada  0.6
01 Sep 2021 06:45 Old Bonaventure Canada  0.6
30 Aug 2021 05:45 Little Barasway Canada  0.6
30 Aug 2021 05:45 Placentia Canada  0.6
30 Aug 2021 05:45 Argentia Canada  0.6
30 Aug 2021 05:45 Dunville Canada  0.6
30 Aug 2021 05:45 Fox Harbour Canada  0.6
01 Sep 2021 06:45 Brownsdale Canada  0.6
30 Aug 2021 01:30 Green Island Cove Canada  0.6
29 Aug 2021 17:45 Pools Cove Canada  0.6
29 Aug 2021 17:45 Belleoram Canada  0.6
29 Aug 2021 17:45 Rencontre East Canada  0.6
31 Aug 2021 15:00 North Boat Harbour Canada  0.5
01 Sep 2021 06:45 Old Perlican Canada  0.5
01 Sep 2021 06:45 Lower Island Cove Canada  0.5
01 Sep 2021 06:45 Caplin Cove Canada  0.5
29 Aug 2021 18:00 Fortune Canada  0.5
31 Aug 2021 16:15 Eddies Cove Canada  0.5
29 Aug 2021 18:15 Garnish Canada  0.5
29 Aug 2021 18:15 Barrasway de Plate Canada  0.5
01 Sep 2021 06:30 Southern Bay Canada  0.5
01 Sep 2021 06:30 Princeton Canada  0.5
01 Sep 2021 06:30 Trinity Canada  0.5
01 Sep 2021 06:30 Port Rexton Canada  0.5
29 Aug 2021 18:00 Marystown Canada  0.5
29 Aug 2021 18:15 English Harbour West Canada  0.5
31 Aug 2021 16:00 West St Modeste Canada  0.5
31 Aug 2021 16:00 Pinware Canada  0.5
29 Aug 2021 18:30 Saint Pierre St. Pierre and Miquelon  0.5
30 Aug 2021 17:30 Little Bay Canada  0.5
30 Aug 2021 17:30 Port Anson Canada  0.5
30 Aug 2021 17:30 Roberts Arm Canada  0.5
30 Aug 2021 17:30 Little Bay Island Canada  0.5
30 Aug 2021 17:30 Lushes Bight Canada  0.5
30 Aug 2021 17:30 Pilley's Island Canada  0.5
30 Aug 2021 17:30 Beaumont Canada  0.5
30 Aug 2021 15:45 Big Brook Canada  0.5
30 Aug 2021 15:30 Red Bay Canada  0.5
01 Sep 2021 06:30 Grates Cove Canada  0.5
01 Sep 2021 06:30 Bay de Verde Canada  0.5
30 Aug 2021 17:45 Herring Neck Canada  0.5
30 Aug 2021 17:45 Hornwood Canada  0.5
30 Aug 2021 17:45 Port Albert Canada  0.5
30 Aug 2021 17:45 Victoria Cove Canada  0.5
30 Aug 2021 17:45 Change Islands Canada  0.5
30 Aug 2021 17:45 Frederickton Canada  0.5
30 Aug 2021 17:45 Island Harbour Canada  0.5
29 Aug 2021 14:45 Mosquito Canada  0.5
29 Aug 2021 14:45 Admirals Beach Canada  0.5
29 Aug 2021 14:45 Gaskiers Canada  0.5
29 Aug 2021 14:45 Saint Mary's Canada  0.5
29 Aug 2021 14:45 Riverhead Canada  0.5
29 Aug 2021 14:45 Saint Josephs Canada  0.5
31 Aug 2021 16:30 Carmanville Canada  0.5
31 Aug 2021 16:30 Little Seldom Canada  0.5
31 Aug 2021 16:30 Seldom Canada  0.5
31 Aug 2021 16:30 Ladle Cove Canada  0.5
31 Aug 2021 15:30 Gander Bay Canada  0.5
30 Aug 2021 17:30 Moreton's Harbour Canada  0.5
30 Aug 2021 17:30 Summerford Canada  0.5
30 Aug 2021 17:30 Birchy Bay Canada  0.5
30 Aug 2021 17:30 Boyds Cove Canada  0.5
29 Aug 2021 14:45 Saint Vincent's Canada  0.5
29 Aug 2021 19:15 Miqeulon St. Pierre and Miquelon  0.5
30 Aug 2021 17:00 Leading Tickles Canada  0.5
30 Aug 2021 17:00 Leading Tickles South Canada  0.5
30 Aug 2021 17:00 Point Leamington Canada  0.5
30 Aug 2021 17:00 Paradise Cove Canada  0.5
30 Aug 2021 17:00 Cottrells Cove Canada  0.5
30 Aug 2021 17:15 Musgrove Harbour Canada  0.5
01 Sep 2021 06:30 Port Union Canada  0.4
01 Sep 2021 06:30 Catalina Canada  0.4
01 Sep 2021 02:00 Indian Tickle Canada  0.4
29 Aug 2021 21:00 Ship Cove Canada  0.4
31 Aug 2021 06:00 Grady Harbour Canada  0.4
31 Aug 2021 16:15 Harry's Harbour Canada  0.4
29 Aug 2021 14:45 Branch Canada  0.4
29 Aug 2021 19:45 Pass Island Canada  0.4
29 Aug 2021 19:45 Pushthrough Canada  0.4
01 Sep 2021 06:15 Indian Pond Canada  0.4
01 Sep 2021 06:15 Kelligrews Canada  0.4
01 Sep 2021 06:15 Foxtrap Canada  0.4
01 Sep 2021 06:15 Bell Island Canada  0.4
01 Sep 2021 06:15 Wabana Canada  0.4
01 Sep 2021 06:15 Topsail Canada  0.4
01 Sep 2021 06:15 Portugal Cove Canada  0.4
01 Sep 2021 06:15 Bauline Canada  0.4
01 Sep 2021 06:15 Bay Roberts Canada  0.4
01 Sep 2021 06:15 Harbour Grace Canada  0.4
01 Sep 2021 06:15 Conception Harbour Canada  0.4
01 Sep 2021 06:15 Colliers Canada  0.4
01 Sep 2021 06:15 Brigus Canada  0.4
01 Sep 2021 06:15 Upper Island Cove Canada  0.4
01 Sep 2021 06:15 Harbour Main Canada  0.4
01 Sep 2021 06:15 Holyrood Canada  0.4
29 Aug 2021 19:30 Saint Shotts Canada  0.4
31 Aug 2021 17:00 Main Brook Canada  0.4
01 Sep 2021 06:15 Carbonear Canada  0.4
29 Aug 2021 19:30 McCallum Canada  0.4
31 Aug 2021 01:45 Bonavista Canada  0.4
31 Aug 2021 01:45 Elliston Canada  0.4
31 Aug 2021 16:15 Triton West Canada  0.4
29 Aug 2021 19:15 Francois Canada  0.4
01 Sep 2021 06:15 Freshwater Canada  0.4
01 Sep 2021 06:15 Salmon Cove Canada  0.4
01 Sep 2021 06:15 Perrys Cove Canada  0.4
31 Aug 2021 16:30 Sop's Arm Canada  0.4
31 Aug 2021 16:30 Browns Cove Canada  0.4
31 Aug 2021 16:30 Jackson's Arm Canada  0.4
31 Aug 2021 16:30 Purbeck's Cove Canada  0.4
31 Aug 2021 16:30 Westport Canada  0.4
31 Aug 2021 16:30 Bear Cove Canada  0.4
29 Aug 2021 19:30 Rencontre West Canada  0.4
30 Aug 2021 06:15 Pouch Cove Canada  0.4
30 Aug 2021 06:15 Torbay Canada  0.4
30 Aug 2021 06:15 Flat Rock Canada  0.4
30 Aug 2021 06:15 St. John's Canada  0.4
29 Aug 2021 19:45 Point Lance Canada  0.4
31 Aug 2021 05:45 Packs Harbour Canada  0.4
31 Aug 2021 16:30 Coney Arm Canada  0.4
31 Aug 2021 16:45 Seal Cove Canada  0.4
01 Sep 2021 08:00 Trepassey Canada  0.4
01 Sep 2021 08:00 Portugal Cove South Canada  0.4
01 Sep 2021 06:00 Western Bay Canada  0.4
29 Aug 2021 21:00 Angels Cove Canada  0.4
31 Aug 2021 15:15 Fogo Canada  0.4
31 Aug 2021 15:15 Joe Batt's Arm Canada  0.4
31 Aug 2021 16:45 Wild Cove Canada  0.4
29 Aug 2021 18:15 Point Crewe Canada  0.4
29 Aug 2021 18:15 Point May Canada  0.4
31 Aug 2021 17:15 Fleur de Lys Canada  0.4
31 Aug 2021 17:15 Coachman's Cove Canada  0.4
31 Aug 2021 17:15 Woodstock Canada  0.4
31 Aug 2021 17:15 Pacquet Canada  0.4
31 Aug 2021 16:45 Little Harbour Deep Canada  0.4
30 Aug 2021 15:00 Rexons Cove Canada  0.4
30 Aug 2021 15:00 Georges Cove Canada  0.4
30 Aug 2021 15:00 Snug Harbour Canada  0.4
30 Aug 2021 15:00 Square Island Canada  0.4
30 Aug 2021 15:00 Fishing Ships Harbour Canada  0.4
31 Aug 2021 16:45 Baie Verte Canada  0.4
29 Aug 2021 21:15 Saint Josephs Canada  0.4
31 Aug 2021 17:15 Horse Islands Canada  0.4
31 Aug 2021 17:30 Exploits Canada  0.4
29 Aug 2021 19:45 Saint Bride's Canada  0.4
29 Aug 2021 21:15 Baine Harbour Canada  0.3
29 Aug 2021 21:15 Parkers Cove Canada  0.3
31 Aug 2021 15:45 Tilting Canada  0.3
31 Aug 2021 17:15 Round Harbour Canada  0.3
31 Aug 2021 17:15 Tilt Cove Canada  0.3
31 Aug 2021 17:15 La Scie Canada  0.3
01 Sep 2021 07:30 Marys Harbour Canada  0.3
01 Sep 2021 07:30 Lodge Bay Canada  0.3
01 Sep 2021 07:30 Saint Lewis Canada  0.3
01 Sep 2021 07:30 Spear Harbour Canada  0.3
01 Sep 2021 07:30 Loran Canada  0.3
01 Sep 2021 07:30 Battle Harbour Canada  0.3
31 Aug 2021 16:45 Great Harbour Deep Canada  0.3
31 Aug 2021 17:15 Williamsport Canada  0.3
31 Aug 2021 17:15 Canada Harbour Canada  0.3
31 Aug 2021 17:15 Englee Canada  0.3
01 Sep 2021 07:00 Carrolls Cove Canada  0.3
31 Aug 2021 17:15 Shoe Cove Canada  0.3
01 Sep 2021 07:45 Cape Race Canada  0.3
31 Aug 2021 16:15 Nipper's Harbour Canada  0.3
31 Aug 2021 15:15 Henley Harbour Canada  0.3
31 Aug 2021 17:30 Goose Cove Canada  0.3
30 Aug 2021 06:00 Cape Broyle Canada  0.3
30 Aug 2021 06:00 Ferryland Canada  0.3
30 Aug 2021 06:00 Tors Cove Canada  0.3
30 Aug 2021 06:00 Mobile Canada  0.3
30 Aug 2021 06:00 Witless Bay Canada  0.3
30 Aug 2021 06:00 Bay Bulls Canada  0.3
31 Aug 2021 17:00 Roddickton Canada  0.3
31 Aug 2021 17:00 Conche Canada  0.3
30 Aug 2021 17:15 Twillingate Canada  0.3
29 Aug 2021 20:30 Rock Harbour Canada  0.3
30 Aug 2021 06:00 Fermeuse Canada  0.3
29 Aug 2021 14:45 Cappahayden Canada  0.3
01 Sep 2021 06:45 Lumsden Canada  0.3
01 Sep 2021 06:45 Wesleyville Canada  0.3
01 Sep 2021 06:45 Newtown Canada  0.3
01 Sep 2021 06:45 Cape Freels Canada  0.3
30 Aug 2021 16:45 Burlington Canada  0.3
30 Aug 2021 06:00 Petty Harbour Canada  0.3
01 Sep 2021 07:15 Renews Canada  0.3
31 Aug 2021 17:00 Grey Islands Harbour Canada  0.3
01 Sep 2021 06:30 Badger's Quay Canada  0.3
01 Sep 2021 06:30 Greenspond Canada  0.3
30 Aug 2021 15:00 Williams Harbour Canada  0.3
01 Sep 2021 03:00 Batteau Harbour Canada  0.3
01 Sep 2021 03:00 Spotted Island Canada  0.3
01 Sep 2021 03:00 Black Tickle Canada  0.3
31 Aug 2021 16:45 Croque Canada  0.3
31 Aug 2021 16:45 Saint Juliens Canada  0.3
01 Sep 2021 06:30 Newman's Cove Canada  0.3
31 Aug 2021 17:30 Saint Anthony Canada  0.3
31 Aug 2021 17:30 Great Brehat Canada  0.3
31 Aug 2021 17:30 Saint Anthony Bight Canada  0.3
29 Aug 2021 20:45 Burin Canada  0.3
01 Sep 2021 06:15 Plate Cove Canada  0.3
01 Sep 2021 06:15 Tickle Cove Canada  0.3
01 Sep 2021 06:15 Open Hall Canada  0.3
01 Sep 2021 06:15 Keels Canada  0.3
01 Sep 2021 06:45 Saint Brendan's Canada  0.3
01 Sep 2021 06:30 Salvage Canada  0.3
31 Aug 2021 15:15 Quirpon Canada  0.3
31 Aug 2021 15:45 Saint Lunaire-Griquet Canada  0.3
29 Aug 2021 18:45 Lamaline Canada  0.3
01 Sep 2021 07:00 Flat Islands Canada  0.3
29 Aug 2021 20:15 Lawn Canada  0.3
01 Sep 2021 07:15 Venison Island Canada  0.3
01 Sep 2021 07:15 Comfort Bight Canada  0.3
01 Sep 2021 07:15 Frenchmans Island Canada  0.3
29 Aug 2021 20:15 Saint Lawrence Canada  0.2
01 Sep 2021 09:45 Little Burnt Bay Canada  0.2
01 Sep 2021 09:00 Lewisporte Canada  0.2
01 Sep 2021 09:00 Campbellton Canada  0.2
01 Sep 2021 09:00 Loon Bay Canada  0.2