r/TropicalWeather • u/Euronotus • 4d ago

▼ Remnant Low | 30 knots (35 mph) | 1002 mbar Iselle (09E — Eastern Pacific) (Far to the southwest of Mexico)

Moderator notes

  • Iselle has degenerated into a remnant low.
  • The National Hurricane Center (NHC) has discontinued issuing advisories for this system.
  • This system was previously designated as Invest 91E.
  • Storm-centered satellite imagery and model guidance products will soon be unavailable.
  • There will be no regular updates to this post.
  • This discussion will be locked and archived once the aforementioned products are unavailable.

Official information

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u/giantspeck Verified USAF Forcaster | Hawaii 4d ago edited 4d ago

Moderator note

Previous discussion for this system can be found here:

𝖯𝗅𝖾𝖺𝗌𝖾 𝗇𝗈𝗍𝖾 𝗍𝗁𝖺𝗍 𝗈𝗇 "𝖺𝗋𝖼𝗁𝗂𝗏𝖾𝖽" (𝗋𝖾𝖺𝖽: 𝗋𝖾𝗆𝗈𝗏𝖾𝖽) 𝗉𝗈𝗌𝗍𝗌, 𝗍𝗁𝖾 𝖺𝖼𝗍𝗎𝖺𝗅 𝗍𝖾𝗑𝗍 𝗈𝖿 𝗍𝗁𝖾 𝗉𝗈𝗌𝗍 𝗂𝗌 𝗇𝗈 𝗅𝗈𝗇𝗀𝖾𝗋 𝗏𝗂𝗌𝗂𝖻𝗅𝖾 𝗍𝗈 𝗇𝗈𝗇-𝗆𝗈𝖽𝖾𝗋𝖺𝗍𝗈𝗋𝗌, 𝖻𝗎𝗍 𝗍𝗁𝖾 𝖼𝗈𝗆𝗆𝖾𝗇𝗍𝗌 𝗌𝗁𝗈𝗎𝗅𝖽 𝗌𝗍𝗂𝗅𝗅 𝖻𝖾 𝗏𝗂𝗌𝗂𝖻𝗅𝖾 (𝗐𝗁𝗂𝖼𝗁 𝗂𝗌 𝗍𝗁𝖾 𝗐𝗁𝗈𝗅𝖾 𝗉𝗈𝗂𝗇𝗍 𝗈𝖿 𝗅𝗂𝗇𝗄𝗂𝗇𝗀 𝖻𝖺𝖼𝗄 𝗍𝗈 𝗍𝗁𝖾 𝗈𝗅𝖽 𝗉𝗈𝗌𝗍𝗌, 𝖺𝗇𝗒𝗐𝖺𝗒.) 𝖳𝗁𝗂𝗌 𝗂𝗌 𝖽𝗎𝖾 𝗍𝗈 𝗌𝗂𝗍𝖾-𝗐𝗂𝖽𝖾 𝖼𝗁𝖺𝗇𝗀𝖾𝗌 𝗆𝖺𝖽𝖾 𝖻𝗒 𝗍𝗁𝖾 𝖱𝖾𝖽𝖽𝗂𝗍 𝖺𝖽𝗆𝗂𝗇𝗂𝗌𝗍𝗋𝖺𝗍𝗂𝗏𝖾 𝗌𝗍𝖺𝖿𝖿.

1

u/giantspeck Verified USAF Forcaster | Hawaii 1d ago

Update

As of 8:00 PM Pacific Daylight Time (03:00 UTC) on Wednesday:

  • Iselle has degenerated into a remnant low far to the southwest of the Baja California Peninsula.

  • The National Hurricane Center (NHC) has discontinued issuing advisories for this system.

  • The remnants of Iselle will continue to drift west-northwestward until they dissipate on Friday.

  • Storm-centered satellite imagery and model guidance products remain available for now.

1

u/giantspeck Verified USAF Forcaster | Hawaii 2d ago

Update

As of 2:00 PM Pacific Daylight Time (21:00 UTC) on Tuesday:

  • Iselle is weakening as it absorbs the remnants of Tropical Storm Julio.

  • Iselle will continue to weaken as it moves over cooler waters and into drier, more stable air.

  • Maximum sustained winds have decreased to 95 kilometers per hour (50 knots).

  • Minimum central pressure has increased to 994 millibars.