916  
WTPZ42 KNHC 311435  
TCDEP2  
 
TROPICAL STORM GIL DISCUSSION NUMBER 2  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP072025  
500 AM HST THU JUL 31 2025  
 
GIL CONTINUES TO BECOME BETTER ORGANIZED THIS MORNING.  
GEOSTATIONARY INFRARED IMAGERY SHOW STEADY BURSTS OF EMBEDDED DEEP  
CONVECTION WITH CLOUD TOP TEMPERATURES LESS THAN -80 DEGREES  
CELSIUS. OBJECTIVE AND SUBJECTIVE SATELLITE INTENSITY ESTIMATES  
HAVE INCREASED THIS CYCLE AND RANGE BETWEEN 35 TO 46 KT. THE  
INITIAL INTENSITY IS RAISED TO 45 KT, CLOSEST TO THE TAFB AND  
UW-CIMSS DPRINT ESTIMATES.  
 
THE STORM IS MOVING AT 280/12 KT ALONG THE SOUTHERN SIDE OF A  
SUBTROPICAL RIDGE. THIS MID-LEVEL RIDGE WILL STEER GIL GENERALLY  
WEST-NORTHWESTWARD FOR THE NEXT FEW DAYS, WITH SOME INCREASE IN  
FORWARD MOTION. BY DAY 4, THE WEAKER, MORE SHALLOW CYCLONE IS  
EXPECTED TO TURN MORE WESTWARD IN THE LOW-LEVEL FLOW. THE TRACK  
GUIDANCE ENVELOPE REMAINS TIGHTLY CLUSTERED AND ONLY MINOR CHANGES  
WERE MADE TO THE LATEST NHC TRACK FORECAST.  
 
ATMOSPHERIC AND OCEANIC CONDITIONS APPEAR GENERALLY CONDUCIVE FOR  
GIL TO CONTINUE STRENGTHENING. STATISTICAL INDICATORS EVEN SUGGEST  
AN ABOVE AVERAGE POSSIBILITY OF STRONG-TO-RAPID INTENSIFICATION IN  
THE NEXT DAY OR SO. THUS, THE PREDICTED PEAK INTENSITY HAS BEEN  
RAISED TO 75 KT IN 36 H BASED ON THESE FACTORS AND AN OVERALL  
INCREASE IN THE MODEL INTENSITY GUIDANCE. GIL IS STILL EXPECTED TO  
REACH COOLER WATERS AND A DRY, STABLE AIRMASS IN A COUPLE OF DAYS  
WHICH WILL CAUSE STEADY WEAKENING. THE LATEST NHC INTENSITY  
FORECAST NOW SHOWS GIL BECOMING A POST-TROPICAL CYCLONE BY DAY 4,  
WHEN GLOBAL MODEL SHOW THE CYCLONE WILL LOSE ALL CONVECTION.  
 
 
FORECAST POSITIONS AND MAX WINDS  
 
INIT 31/1500Z 13.2N 116.2W 45 KT 50 MPH  
12H 01/0000Z 13.9N 118.1W 60 KT 70 MPH  
24H 01/1200Z 15.0N 120.9W 70 KT 80 MPH  
36H 02/0000Z 16.4N 124.0W 75 KT 85 MPH  
48H 02/1200Z 17.8N 127.4W 75 KT 85 MPH  
60H 03/0000Z 19.2N 130.8W 65 KT 75 MPH  
72H 03/1200Z 20.3N 134.1W 55 KT 65 MPH  
96H 04/1200Z 21.7N 140.3W 35 KT 40 MPH...POST-TROPICAL  
120H 05/1200Z 22.2N 145.8W 30 KT 35 MPH...POST-TROP/REMNT LOW  
 

 
FORECASTER BUCCI  
 
 
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