Much bright Sun. (On Enquiry) calm below till half past III in the Afternoon, then West Sea-Breeze: South-West Breeze above till half past IV. Calm bright Evening.
Also the upper Stratum of Clouds thin and white, in quick Motion, when seen from below till Noon: at which Time the Sky was almost cloudless: and, from above the upper Stratum, were seen, interspersed, Multitudes of detached Thunder-Clouds in large Masses, rising at Intervals, in the Middle of the upper Surfaces of white Clouds, and stretching above them.
Friday and Saturday moderate: South and South-West Breeze.
Sunday the 11th. The Planet Mercury stationary.
Cloudy Morn. South-West Breeze. Thermom. at 60 at Noon. Barom. above, Changeable, viz. at 291⁄2. Much thunder and Rain in the Afternoon.
212. Quere, Had the Thunder-Clouds on Thursday, tho’ not remarked by any from below, yet visible to a great Extent from the Balloon above them,—any Connexion with the Thunder that happened three Days after?
Weather, to be prognosticated, by Sight, from the Balloon
Answer: It appears to the Observer, that the Thunder was gradually collecting in the Air from Thursday till Sunday: and if so; will not Balloons, when more frequent, prognosticate the Weather, by Sight, better than any other known Methods?
