Hazardous operations, space debris: a. 191815Z to 191845Z dec, alternate 200925Z dec to 091030Z jan in area…

Original warning text

GULF OF MEXICO.
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS:
   A. 191815Z TO 191845Z DEC, ALTERNATE
      200925Z DEC TO 091030Z JAN
      IN AREA WITHIN NINE MILES OF
      28-51.00N 080-13.80W.
   B. 191810Z TO 191840Z DEC, ALTERNATE
      201750Z DEC TO 061140Z JAN
      IN AREA WITHIN NINE MILES OF
      29-48.00N 080-40.01W.
   C. 191805Z TO 191835Z DEC, ALTERNATE
      200935Z DEC TO 061135Z JAN
      IN AREA WITHIN NINE MILES OF
      30-54.85N 080-15.00W.
   D. 191015Z TO 191045Z DEC, ALTERNATE
      210930Z DEC TO 051225Z JAN
      IN AREA WITHIN NINE MILES OF
      29-42.85N 086-10.86W.
   E. 201815Z TO 201845Z DEC, ALTERNATE
      210935Z DEC TO 081120Z JAN
      IN AREA WITHIN NINE MILES OF
      29-48.00N 087-30.00W.
   F. 210920Z TO 210950Z DEC, ALTERNATE
      211740Z DEC TO 090225Z JAN
      IN AREA WITHIN NINE MILES OF
      29-16.56N 084-12.00W.
   G. 191835Z TO 191905Z DEC, ALTERNATE
      200935Z DEC TO 060325Z JAN
      IN AREA WITHIN NINE MILES OF
      28-06.00N 083-54.00W.
2. CANCEL NAVAREA IV 1447/23.
3. CANCEL THIS MSG 091130Z JAN 24.

Activity windows · 14 in the telegram

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