Watermelon Gazpacho

Name: Watermelon Gazpacho
Ingredients: 1 small seedless watermelon (about 4 pounds), rind removed; 3 English cucumbers (about 2 pounds), peeled and seeded; 2 cups chopped tomatoes (about 4 tomatoes); 1/4 cup sherry vinegar; 1 1/2 teaspoons kosher salt, plus more to taste; 1/4 teaspoon black pepper, plus more to taste; 3 tablespoons extra-virgin olive oil, divided; 6 scallions, thinly sliced (about 2/3 cup); 1/2 cup chopped fresh cilantro; 1/4 cup fresh lime juice (about 2 limes); 2 small jalapeño chiles, seeded and minced (about 2 tablespoons)