Hazardous operations, rocket launching 032059Z to 032140Z jun, alternate 042036Z to 042117Z jun in area…

Original warning text

WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   032059Z TO 032140Z JUN, ALTERNATE
   042036Z TO 042117Z JUN IN AREA BOUND BY
   A. 28-39N 080-38W, 29-11N 080-15W,
      29-31N 079-40W, 30-08N 079-05W,
      31-13N 078-11W, 31-52N 077-18W,
      32-12N 076-38W, 32-35N 076-05W,
      32-29N 076-01W, 32-02N 076-30W,
      30-45N 077-48W, 29-56N 078-55W,
      29-17N 079-36W, 28-50N 080-04W,
      28-29N 080-22W, 28-25N 080-36W,
      28-38N 080-39W.
   B. 30-08N 079-05W, 31-13N 078-11W,
      31-52N 077-18W, 32-12N 076-38W,
      32-35N 076-05W, 32-29N 076-01W,
      32-02N 076-30W, 30-45N 077-48W,
      29-56N 078-55W.
2. CANCEL NAVAREA IV 436/17.
3. CANCEL THIS MSG 042217Z JUN 17.

Activity windows · 2 in this warning

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.