Heat Advisory issued June 21 at 8:23PM EDT until June 25 at 8:00PM EDT by NWS Charleston WV

ESFGUM This Hydrologic Outlook is for Guam, Rota, Tinian and Saipan. A tropical disturbance could bring heavy rain to the Marianas from Thursday evening through Sunday. Latest model guidance shows a surface trough within Chuuk State that is expected to move northwest over the next couple of days. This trough is expected to develop into a weak circulation Thursday or Friday near the Marianas. Models differ on location and strength of this circulation, however, they do agree that heavy rainfall is likely as early as Thursday, but most likely Friday through the weekend. There is a potential for Guam and