Alert archive / Guam / Typhoon Warnings in 2015
Typhoon Warning 3, NWS Guam
NWS Guam issued this typhoon warning at Jul 4, 2015, 3:15 AM CDT. It was in force for 23 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2015, 3:15 AM CDT (08:15 UTC)
- Expired
- Jul 5, 2015, 1:57 AM CDT
- In force
- 23 hr
- Issued by
- NWS Guam
The text
As transmitted, in the capitals the NWS used until 2016.
883 WTPQ81 PGUM 040719 HLSPQ1 URGENT - IMMEDIATE BROADCAST REQUESTED TROPICAL CYCLONE LOCAL STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 515 PM CHST SAT JUL 4 2015 ...TROPICAL STORM CHAN-HOM SLOWLY MOVING NORTH-NORTHWEST... .NEW INFORMATION... A TYPHOON WARNING IS IN EFFECT FOR TINIAN AND SAIPAN. A TROPICAL STORM WARNING IS IN EFFECT FOR ROTA. .AREAS AFFECTED... THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS. .WATCHES/WARNINGS... A TYPHOON WARNING IS NOW IN EFFECT FOR SAIPAN AND TINIAN AND THEIR COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...ARE EXPECTED WITHIN 24 HOURS. A TROPICAL STORM WARNING IS NOW IN EFFECT FOR ROTA AND THEIR COASTAL WATERS. TROPICAL STORM CONDITIONS...INCLUDING WINDS OF 39 TO 73 MPH...ARE EXPECTED WITHIN 24 HOURS. A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...ARE POSSIBLE WITHIN 48 HOURS. A FLASH FLOOD WATCH IS IN EFFECT FOR GUAM...ROTA...TINIAN AND SAIPAN. .STORM INFORMATION... AT 100 PM CHST...0300 UTC...THE CENTER OF TROPICAL STORM CHAN-HOM WAS LOCATED NEAR LATITUDE 12.7 DEGREES NORTH AND LONGITUDE 148.2 DEGREES EAST. THIS IS ABOUT 240 MILES EAST-SOUTHEAST OF GUAM... 225 MILES EAST-SOUTHEAST OF ROTA...AND 235 MILES SOUTHEAST OF SAIPAN AND TINIAN. MAXIMUM SUSTAINED WINDS REMAIN AT 50 MPH. CHAN-HOM IS MOVING NORTH-NORTHWEST AT 10 MPH. .SITUATION OVERVIEW... TROPICAL STORM CHAN-HOM IS EXPECTED TO TURN NORTHWEST TONIGHT AND BECOME A TYPHOON BEFORE IT PASSES NEAR SAIPAN SUNDAY AFTERNOON OR EVENING. .PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... PUT YOUR DISASTER PREPAREDNESS PLAN INTO ACTION. MAKE SURE YOU HAVE ENOUGH FOOD AND WATER FOR A FEW DAYS...AS WELL AS FUEL FOR VEHICLES AND GENERATORS. PREPARE YOUR PROPERTY FOR TROPICAL STORM OR TYPHOON CONDITIONS...POSSIBLE SUNDAY OR SUNDAY NIGHT. THE CURRENT FORECAST BRINGS THE CENTER OF CHAN-HOM NEAR SAIPAN SUNDAY AFTERNOON OR EVENING...BUT UNCERTAINTY REMAINS IN THE FORECAST TRACK AND INTENSITY. THUS...EVEN THOUGH SAIPAN...TINIAN AND ROTA ARE THE ONLY LOCATIONS UNDER A WARNING...RESIDENTS OF GUAM SHOULD STILL PAY CLOSE ATTENTION TO THE LATEST FORECASTS AND ADVISORIES AND CONTINUE PREPARATIONS. THERE IS STILL TIME FOR UNFORESEEN CHANGES THAT COULD PUT GUAM AT GREATER RISK. FOR MARINERS...SAFELY SECURE YOUR CRAFT AND MAKE PLANS TO LEAVE IT FOR ADEQUATE LAND BASED SHELTER. SMALL CRAFT SHOULD RETURN TO PORT. CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST INFORMATION. && .NEXT UPDATE... THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN TIYAN AROUND 9 PM CHST...OR SOONER IF CONDITIONS WARRANT. GUZ001-PMZ151-041445- /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ GUAM-GUAM COASTAL WATERS- 515 PM CHST SAT JUL 4 2015 ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... CONTINUE PREPARATIONS FOR THE POSSIBILITY OF TROPICAL STORM CONDITIONS IF CHAN-HOM'S TRACK CHANGES. LISTEN FOR UPDATED FORECASTS AND STATEMENTS AND POSSIBLE WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE POSSIBLE SUNDAY AFTERNOON OR EVENING. WINDS WILL SUBSIDE LATE SUNDAY NIGHT AND MONDAY. SEAS OF 10 TO 12 FEET ARE EXPECTED THROUGH MONDAY. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET TONIGHT MAY BUILD TO 11 TO 14 FEET SUNDAY AFTERNOON. ...INLAND FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT. $$ GUZ002-PMZ152-041445- /O.NEW.PGUM.TR.W.0004.150704T0631Z-000000T0000Z/ /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ ROTA-ROTA COASTAL WATERS- 515 PM CHST SAT JUL 4 2015 ...A TROPICAL STORM WARNING IS IN EFFECT... ...A TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... CONTINUE PREPARATIONS FOR TROPICAL STORM CONDITIONS...EXPECTED BY SUNDAY AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE EXPECTED ON SUNDAY...AND TYPHOON FORCE WINDS ARE POSSIBLE LATE SUNDAY IF CHAN-HOM SHIFTS ITS TRACK SOUTHWARD. WINDS WILL SUBSIDE LATE SUNDAY NIGHT AND MONDAY. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET TODAY MAY BUILD TO DANGEROUS LEVELS OF 17 TO 22 FEET SUNDAY EVENING ESPECIALLY ACROSS TINIAN AND SAIPAN. DANGEROUS SURF WILL SUBSIDE BY MONDAY MORNING. COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING SHORES AS CHAN-HOM APPROACHES. ...INLAND FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT. $$ GUZ003-004-PMZ153-154-041445- /O.NEW.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/ TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS- 515 PM CHST SAT JUL 4 2015 ...TYPHOON WARNING IS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... COMPLETE PREPARATIONS FOR TYPHOON CONDITIONS...EXPECTED BY SUNDAY AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE EXPECTED ON SUNDAY...AND TYPHOON FORCE WINDS ARE LIKELY LATE SUNDAY AS CHAN-HOM PASSES NEAR SAIPAN. WINDS WILL SUBSIDE LATE SUNDAY NIGHT AND MONDAY. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 20 FEET SUNDAY AFTERNOON NEAR THE CENTER. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET WILL BUILD TO DANGEROUS LEVELS OF 15 TO 20 FEET SUNDAY AFTERNOON AND EVENING. DANGEROUS SURF WILL SUBSIDE BY MONDAY MORNING. COASTAL INUNDATION OF 2 TO 3 FEET IS EXPECTED ALONG EAST FACING SHORES AS CHAN-HOM APPROACHES. ...INLAND FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT. $$
4 follow-up statements
886 WTPQ81 PGUM 041343 HLSPQ1 URGENT - IMMEDIATE BROADCAST REQUESTED TROPICAL STORM CHAN-HOM (09W) LOCAL STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 1143 PM CHST SAT JUL 4 2015 ...TROPICAL STORM CHAN-HOM NEARLY STATIONARY... .AREAS AFFECTED... THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS. .WATCHES/WARNINGS... A TYPHOON WARNING REMAINS IN EFFECT FOR SAIPAN AND TINIAN AND THEIR COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...ARE EXPECTED WITHIN 24 HOURS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND THEIR COASTAL WATERS. TROPICAL STORM CONDITIONS...INCLUDING WINDS OF 39 TO 73 MPH...ARE EXPECTED WITHIN 24 HOURS. A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...ARE POSSIBLE WITHIN 48 HOURS. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND SAIPAN. .STORM INFORMATION... AT 10 PM CHST...THE CENTER OF TROPICAL STORM CHAN-HOM (09W) WAS LOCATED NEAR LATITUDE 13.5N...LONGITUDE 146.4E...OR ABOUT 90 MILES EAST-SOUTHEAST OF ROTA...ABOUT 130 MILES EAST OF GUAM AND 120 MILES SOUTH-SOUTHEAST OF TINIAN AND SAIPAN. MAXIMUM SUSTAINED WINDS REMAIN AT 50 MPH. CHAN-HOM IS NEARLY STATIONARY .SITUATION OVERVIEW... LATEST RADAR IMAGERY INDICATES THAT THE CENTER HAS SLOWED TO THE EAST OF GUAM. HOWEVER...CHAN-HOM IS EXPECTED TO RESUME MOVING NORTHWEST LATER TONIGHT. CHAN-HOM IS EXPECTED TO CONTINUE IN THIS DIRECTION ALTHOUGH SOME ERRATIC MOTION IS STILL POSSIBLE OVER THE NEXT 12 TO 24 HOURS. .PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... YOUR DISASTER PREPAREDNESS PLAN SHOULD BE COMPLETED. STAY INDOORS IN A STURDY STRUCTURE UNTIL WINDS HAVE SUBSIDED SUNDAY OR SUNDAY NIGHT. UNCERTAINTY REMAINS IN THE FORECAST TRACK AND INTENSITY. THUS...EVEN THOUGH SAIPAN...TINIAN AND ROTA ARE THE ONLY LOCATIONS UNDER A WARNING...RESIDENTS OF GUAM SHOULD STILL PAY CLOSE ATTENTION TO THE LATEST FORECASTS AND ADVISORIES AND CONTINUE PREPARATIONS. THERE IS STILL TIME FOR UNFORESEEN CHANGES THAT COULD PUT GUAM AT GREATER RISK. FOR MARINERS...SAFELY SECURE YOUR CRAFT AND LEAVE IT FOR ADEQUATE LAND BASED SHELTER. SMALL CRAFT SHOULD REMAIN IN PORT. CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST INFORMATION. && .NEXT UPDATE... THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN TIYAN AROUND 3 AM CHST SUNDAY...OR SOONER IF CONDITIONS WARRANT. GUZ001-PMZ151-042000- /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ GUAM-GUAM COASTAL WATERS- 1143 PM CHST SAT JUL 4 2015 ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... CONTINUE PREPARATIONS FOR THE POSSIBILITY OF TROPICAL STORM CONDITIONS IF CHAN-HOM'S TRACK CHANGES. LISTEN FOR UPDATED FORECASTS AND STATEMENTS AND POSSIBLE WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT. WINDS WILL SUBSIDE MONDAY. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. ...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT. $$ GUZ002-PMZ152-042000- /O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/ /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ ROTA-ROTA COASTAL WATERS- 1143 PM CHST SAT JUL 4 2015 ...TROPICAL STORM WARNING REMAINS IN EFFECT... ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... CONTINUE PREPARATIONS FOR TROPICAL STORM CONDITIONS...EXPECTED BY SUNDAY AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE EXPECTED ON SUNDAY AND SUNDAY NIGHT. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS LEVELS OF 12 TO 15 FEET SUNDAY EVENING. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING SHORES AS CHAN-HOM APPROACHES. ...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT. $$ GUZ003-004-PMZ153-154-042000- /O.CAN.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ /O.CON.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/ TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS- 1143 PM CHST SAT JUL 4 2015 ...TYPHOON WARNING REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS LEVELS OF 12 TO 15 FEET SUNDAY EVENING. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING SHORES AS CHAN-HOM APPROACHES. ...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT. $$
578 WTPQ81 PGUM 041903 HLSPQ1 URGENT - IMMEDIATE BROADCAST REQUESTED TROPICAL STORM CHAN-HOM (09W) LOCAL STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 503 AM CHST SUN JUL 5 2015 ...TROPICAL STORM CHAN-HOM JUST EAST OF GUAM COASTAL WATERS... .AREAS AFFECTED... THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS. .WATCHES/WARNINGS... A TYPHOON WARNING REMAINS IN EFFECT FOR SAIPAN AND TINIAN AND THEIR COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...ARE EXPECTED WITHIN 24 HOURS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND THEIR COASTAL WATERS. TROPICAL STORM CONDITIONS...INCLUDING WINDS OF 39 TO 73 MPH...ARE EXPECTED WITHIN 24 HOURS. A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...ARE POSSIBLE WITHIN 48 HOURS. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND SAIPAN. A FLASH FLOOD WARNING IS IN EFFECT FOR GUAM AND ROTA. .STORM INFORMATION... AT 4 AM CHST...THE CENTER OF TROPICAL STORM CHAN-HOM (09W) WAS LOCATED NEAR LATITUDE 13.8N...LONGITUDE 145.7E...OR ABOUT 40 MILES EAST-SOUTHEAST OF ROTA....ABOUT 65 MILES NORTHEAST OF GUAM...ABOUT 85 MILES SOUTH OF TINIAN...AND 90 MILES SOUTH OF SAIPAN. STORM MOTION WAS WEST-NORTHWEST AT 8 MPH. STORM INTENSITY WAS 45 MPH. .SITUATION OVERVIEW... LATEST RADAR IMAGERY INDICATES THAT THE CENTER IS SLOWLY MOVING TO THE WEST-NORTHWEST AT 8 MPH. CHAN-HOM IS EXPECTED TO TURN TO THE NORTHWEST LATER TODAY BUT ADDITIONAL WOBBLES IN STORM MOVEMENT ARE EXPECTED THROUGH THE MORNING. .PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... YOUR DISASTER PREPAREDNESS PLAN SHOULD BE COMPLETED. STAY INDOORS IN A STURDY STRUCTURE UNTIL WINDS HAVE SUBSIDED SUNDAY OR SUNDAY NIGHT. UNCERTAINTY REMAINS IN THE FORECAST TRACK AND INTENSITY. EVEN THOUGH SAIPAN...TINIAN AND ROTA ARE THE ONLY LOCATIONS UNDER A WARNING...RESIDENTS OF GUAM SHOULD STILL PAY CLOSE ATTENTION TO THE LATEST FORECASTS AND ADVISORIES AND CONTINUE PREPARATIONS. THERE IS STILL TIME FOR UNFORESEEN CHANGES THAT COULD PUT GUAM AT GREATER RISK. FOR MARINERS...SAFELY SECURE YOUR CRAFT AND LEAVE IT FOR ADEQUATE LAND BASED SHELTER. SMALL CRAFT SHOULD REMAIN IN PORT. CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST INFORMATION. && .NEXT UPDATE... THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN TIYAN AROUND 9 AM CHST...OR SOONER IF CONDITIONS WARRANT. GUZ001-PMZ151-050300- /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ GUAM-GUAM COASTAL WATERS- 503 AM CHST SUN JUL 5 2015 ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... COMPLETE PREPARATIONS FOR THE POSSIBILITY OF TROPICAL STORM CONDITIONS IF CHAN-HOM'S TRACK CHANGES. LISTEN FOR UPDATED FORECASTS AND STATEMENTS AND POSSIBLE WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE POSSIBLE TODAY AND TONIGHT. WINDS WILL SUBSIDE MONDAY. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. ...FLOODING... A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH TONIGHT. $$ GUZ002-PMZ152-050300- /O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/ /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ ROTA-ROTA COASTAL WATERS- 503 AM CHST SUN JUL 5 2015 ...TROPICAL STORM WARNING REMAINS IN EFFECT... ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... COMPLETE PREPARATIONS FOR TROPICAL STORM CONDITIONS...EXPECTED BY THIS AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE EXPECTED ON TODAY AND TONIGHT. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS LEVELS OF 12 TO 15 FEET THIS AFTERNOON AND EVENING. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING SHORES AS CHAN-HOM APPROACHES. ...FLOODING... A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT. $$ GUZ003-004-PMZ153-154-050300- /O.CON.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/ TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS- 503 AM CHST SUN JUL 5 2015 ...TYPHOON WARNING REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... TROPICAL STORM FORCE WINDS ARE POSSIBLE TODAY AND TONIGHT. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS LEVELS OF 12 TO 15 FEET SUNDAY EVENING. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING SHORES AS CHAN-HOM APPROACHES. ...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH TONIGHT. $$ $$ ZIOBRO
403 WTPQ81 PGUM 050009 HLSPQ1 URGENT - IMMEDIATE BROADCAST REQUESTED TROPICAL CYCLONE LOCAL STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 1009 AM CHST SUN JUL 5 2015 ...TROPICAL STORM CHAN-HOM PASSING OVER ROTA... .NEW INFORMATION... NONE .AREAS AFFECTED... THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS. .WATCHES/WARNINGS... A TYPHOON WARNING REMAINS IN EFFECT FOR SAIPAN AND TINIAN AND THEIR COASTAL WATERS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND ROTA COASTAL WATERS. A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT COASTAL WATERS. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND SAIPAN. A FLASH FLOOD WARNING IS IN EFFECT FOR GUAM AND ROTA. PLEASE CHECK THE LATEST PUBLIC AND MARINE FORECASTS FOR DETAILED INFORMATION ABOUT ANY ADDITIONAL HAZARDS. .STORM INFORMATION... AT 9 AM CHST...THE CENTER OF TROPICAL STORM CHAN-HOM WAS LOCATED BY RADAR NEAR LATITUDE 14.1N...LONGITUDE 145.1E. THIS IS OVER THE SOUTHWEST TIP OF ROTA...50 MILES NORTH-NORTHEAST OF GUAM...70 MILES SOUTH-SOUTHWEST OF TINIAN AND 80 MILES SOUTH-SOUTHWEST OF SAIPAN. CHAN-HOM WAS MOVING NORTHWEST AT 10 MPH WITH MAXIMUM SUSTAINED WINDS OF 45 MPH. .SITUATION OVERVIEW... CHAN-HOM IS PASSING NORTHWEST ACROSS ROTA...AND IS EXPECTED TO CONTINUE THIS MOTION TODAY AND TONIGHT. .PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY INDOORS IN A STURDY STRUCTURE UNTIL WINDS HAVE SUBSIDED TONIGHT OR MONDAY MORNING. RESIDENTS OF GUAM SHOULD STILL PAY CLOSE ATTENTION TO THE LATEST FORECASTS AND ADVISORIES AND MAINTAIN READINESS AS LONG AS A TYPHOON WATCH IS IN EFFECT. SMALL CRAFT SHOULD REMAIN IN PORT. CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS FOR OFFICIAL STORM INFORMATION. && .NEXT UPDATE... THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN TIYAN AROUND 3 PM...OR SOONER IF CONDITIONS WARRANT. GUZ001-PMZ151-050815- /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ GUAM-GUAM COASTAL WATERS- 1009 AM CHST SUN JUL 5 2015 ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR AREA. MAINTAIN READINESS FOR THE POSSIBILITY OF TROPICAL STORM CONDITIONS. LISTEN FOR UPDATED FORECASTS AND STATEMENTS AND POSSIBLE WARNINGS. && ...WINDS AND SEAS... NORTHWEST WINDS OF 25 TO 35 MPH WILL SHIFT TO WEST THIS AFTERNOON AND TO SOUTHWEST TONIGHT. WINDS WILL DIMINISH EARLY MONDAY. SEAS OF 10 TO 12 FEET WILL PERSIST INTO MONDAY. ...STORM SURGE AND STORM TIDE... EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS... 8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. ...FLOODING... A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING ARE IN EFFECT. ADDITIONAL RAINFALL UP 6 INCHES OR MORE IS POSSIBLE THROUGH TONIGHT. $$ GUZ002-PMZ152-050815- /O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/ /O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ ROTA-ROTA COASTAL WATERS- 1009 AM CHST SUN JUL 5 2015 ...TROPICAL STORM WARNING REMAINS IN EFFECT... ...TYPHOON WATCH REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR AREA. MAINTAIN READINESS FOR TROPICAL STORM CONDITIONS. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... SOUTHWEST WINDS AT 35 TO 45 MPH ARE EXPECTED THIS AFTERNOON. WINDS WILL DIMINISH TO 25 TO 35 MPH TONIGHT. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS... 8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS LEVELS OF 12 TO 15 FEET THIS AFTERNOON AND EVENING. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED AS CHAN-HOM PASSES. ...FLOODING... A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING ARE IN EFFECT. ADDITIONAL RAINFALL UP 6 INCHES OR MORE IS POSSIBLE THROUGH TONIGHT. $$ GUZ003-004-PMZ153-154-050815- /O.CON.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/ TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS- 1009 AM CHST SUN JUL 5 2015 ...TYPHOON WARNING REMAINS IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... SOUTHEAST WINDS AT 30 TO 40 MPH ARE EXPECTED THIS AFTERNOON. WINDS WILL DIMINISH TO 25 TO 35 MPH TONIGHT. SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM PASSES. ...STORM SURGE AND STORM TIDE... EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS... 8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS LEVELS OF 12 TO 15 FEET THIS EVENING. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING SHORES AS CHAN-HOM PASSES. ...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH TONIGHT. $$
709 WTPQ81 PGUM 050557 HLSPQ1 URGENT - IMMEDIATE BROADCAST REQUESTED TROPICAL STORM CHAN-HOM (09W) LOCAL STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 357 PM CHST SUN JUL 5 2015 ...TROPICAL STORM CHAN-HOM PASSING OVER ROTA... .NEW INFORMATION... TYPHOON WARNING FOR TINIAN AND SAIPAN IS CANCELLED. TYPHOON WATCH FOR GUAM AND ROTA IS CANCELLED. A TROPICAL STORM WARNING IS NOW IN EFFECT FOR GUAM. .AREAS AFFECTED... THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS. .WATCHES/WARNINGS... THE TYPHOON WARNING FOR SAIPAN AND TINIAN IS CANCELLED. THE TYPHOON WATCH FOR GUAM AND ROTA IS CANCELLED. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND ROTA WATERS. A TROPICAL STORM WARNING IS NOW IN EFFECT FOR GUAM AND GUAM WATERS. THE FLASH FLOOD WATCH FOR TINIAN AND SAIPAN IS CANCELLED. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM AND ROTA. A FLASH FLOOD WARNING IS IN EFFECT FOR GUAM AND ROTA. PLEASE CHECK THE LATEST PUBLIC AND MARINE FORECASTS FOR DETAILED INFORMATION ABOUT ANY ADDITIONAL HAZARDS FOR TINIAN AND SAIPAN. .STORM INFORMATION... AT 100 PM CHST...0300 UTC...THE CENTER OF TROPICAL STORM CHAN-HOM WAS LOCATED BY RADAR IN THE ROTA CHANNEL NEAR LATITUDE 13.9 DEGREES NORTH AND LONGITUDE 144.9 DEGREES EAST. THIS IS ABOUT 25 MILES NORTH-NORTHEAST OF GUAM...30 MILES SOUTHWEST OF ROTA...95 MILES SOUTH-SOUTHWEST OF TINIAN AND 105 MILES SOUTH- SOUTHWEST OF SAIPAN. .SITUATION OVERVIEW... TROPICAL STORM CHAN-HOM HAS STALLED IN THE ROTA CHANNEL THE LAST TWO HOURS...BUT IS NOW SHOWING INDICATIONS OF LOOPING COUNTER- CLOCKWISE BEFORE HEADING OUT SLOWLY TO THE NORTHWEST. .PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS FOR OFFICIAL STORM INFORMATION. && .NEXT UPDATE... THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN TIYAN AROUND 9 PM...OR SOONER IF CONDITIONS WARRANT. GUZ001-PMZ151-051400- /O.UPG.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ /O.EXA.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/ GUAM-GUAM COASTAL WATERS- 357 PM CHST SUN JUL 5 2015 ...TROPICAL STORM WARNING IN EFFECT... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR AREA. MAINTAIN READINESS FOR TROPICAL STORM CONDITIONS. STAY AWAY FROM COASTLINES. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... SOUTHWEST WINDS AT 35 TO 45 MPH ARE EXPECTED THROUGH THIS EVENING. WINDS WILL DIMINISH TO 25 TO 35 MPH LATE TONIGHT. SEAS OF 10 TO 13 FEET WILL PERSIST THROUGH TONIGHT. ...STORM SURGE AND STORM TIDE... EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS... 8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS POSSIBLE AS CHAN-HOM PASSES. ...FLOODING... A FLASH FLOOD WARNING IS IN EFFECT. ADDITIONAL RAINFALL OF 2 TO 4 INCHES IS POSSIBLE THROUGH TONIGHT. && $$ GUZ002-PMZ152-051400- /O.CAN.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/ /O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/ ROTA-ROTA COASTAL WATERS- 357 PM CHST SUN JUL 5 2015 ...TROPICAL STORM WARNING REMAINS IN EFFECT... ...TYPHOON WATCH IS CANCELLED... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR AREA. MAINTAIN READINESS FOR TROPICAL STORM CONDITIONS. STAY AWAY FROM COASTLINES. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS. && ...WINDS AND SEAS... SOUTH WINDS AT 35 TO 45 MPH ARE EXPECTED THROUGH THIS EVENING. WINDS WILL DIMINISH TO 25 TO 35 MPH LATE TONIGHT. SEAS OF 10 TO 13 FEET WILL PERSIST THROUGH TONIGHT. ...STORM SURGE AND STORM TIDE... EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS... 8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH FACING REEFS THROUGH MONDAY. SURF WILL SUBSIDE BY MONDAY EVENING. COASTAL INUNDATION OF 1 TO 2 FEET IS POSSIBLE AS CHAN-HOM PASSES. ...FLOODING... A FLASH FLOOD WARNING IS IN EFFECT. ADDITIONAL RAINFALL OF 2 TO 4 INCHES IS POSSIBLE THROUGH TONIGHT. $$ GUZ003-004-PMZ153-154-050700- /O.CAN.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/ TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS- 357 PM CHST SUN JUL 5 2015 ...TYPHOON WARNING IS CANCELLED... ...PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY AWAY FROM EXPOSED REEFS AND BEACHES UNTIL HAZARDOUS SURF SUBSIDES. OPERATORS OF SMALL CRAFT SHOULD STAY IN PORT. && ...WINDS AND SEAS... SOUTHWEST WINDS AT 25 TO 30 MPH ARE EXPECTED TONIGHT...DIMINISHING ON MONDAY. SEAS OF 11 TO 14 FEET TONIGHT WILL FALL TO 10 TO 11 FEET ON MONDAY. ...STORM SURGE AND STORM TIDE... FOR DETAILS ON HAZARDOUS SURF...SEE THE LATEST HIGH SURF ADVISORY. ...FLOODING... THE FLASH FLOOD WATCH HAS BEEN CANCELLED. TO FURTHER HEAVY RAIN IS EXPECTED. $$
What forecasters said that day
The local office's own words before this typhoon warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Guam wrote its last area forecast discussion before this typhoon warning went out at Jul 4, 3:00 AM CDT, 15 minutes earlier.
Area forecast discussion, Jul 4, 3:00 AM CDT, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
600 PM CHST SAT JUL 4 2015
.SYNOPSIS...
TS CHAN-HOM IS CENTERED ABOUT 190 MILES EAST OF GUAM NEAR 13.2N
AND 147.6E. WHILE CHAN-HOM APPEARED TO BE GETTING ORGANIZED AT
LAST THIS MORNING...ITS SATELLITE SIGNATURE HAS ONCE AGAIN
DETERIORATED THIS AFTERNOON AS IT RUNS AFOUL OF AN UPPER-LEVEL LOW
OVER THE MARIANAS. BUT SATELLITE AND RADAR SHOW PLENTY OF CLOUDS
AND SHOWERS MOVING INTO THE MARIANAS.
&&
.DISCUSSION...
WITH THE FORECAST BASED ON THE 1 PM WARNING FROM JTWC...HAVE
ISSUED A TY WARNING FOR TINIAN AND SAIPAN...AND A TS WARNING FOR
ROTA. CHAN-HOM SHOULD PASS SAIPAN AROUND 4 PM SUNDAY AFTERNOON.
OF COURSE...TYPHOON CONDITIONS FOR TINIAN-SAIPAN ARE PREDICATED ON
CHAN-HOM ACTUALLY ACHIEVING TYPHOON STATUS...AND AS IT CURRENTLY
LOOKS ON SATELLITE THAT DOES NOT SEEM VERY LIKELY. MUCH DEPENDS ON
HOW CHAN-HOM COPES WITH THE EFFECTS OF THE UPPER LOW OVERNIGHT. IN
ANY CASE...IT APPEARS ALL THE ISLANDS WILL GET PLENTY OF RAIN
TONIGHT THROUGH SUNDAY NIGHT...PROMPTING THE FLASH FLOOD WATCH NOW
IN EFFECT.
&&
.EASTERN MICRONESIA...
TROPICAL STORM NANGKA CONTINUES TO MOVE AWAY FROM MAJURO TOWARDS
ENEWETAK ATOLL. THE TROPICAL STORM WARNING IS NO LONGER IN EFFECT
FOR WOTJE AND UTIRIK ATOLLS BUT A TYPHOON WATCH FOR ENEWETAK ATOLL
AND A TROPICAL STORM WATCH CONTINUES FOR KWAJALEIN AND UJAE ATOLLS.
EXPECT STEADILY IMPROVING CONDITIONS OVER THE NEXT COUPLE OF DAYS AT
MAJURO AS NANGKA MOVES AWAY. A DRIER PATTERN IS EXPECTED AT MAJURO
NEXT WEEK WITH A TRADE-WIND PATTERN TRYING TO ESTABLISH ITSELF
ACROSS THE REGION BY THE MIDDLE OF NEXT WEEK. MONSOON-RELATED
SHOWERS AND THUNDERSTORMS ARE PROGGED TO STAY PRIMARILY NORTH OF
KOSRAE FOR THE NEXT SEVERAL DAYS. UNSETTLED WEATHER MAY AFFECT
POHNPEI SUNDAY NIGHT INTO MONDAY NIGHT AS NANGKA MOVES NORTH OF
POHNPEI AND CAUSES A ZONE OF LOW-LEVEL CONVERGENCE TO DEVELOP SOUTH
OF THE TROPICAL STORM OVER POHNPEI. DRIER CONDITIONS WILL RESUME
TUESDAY THROUGH THURSDAY AT POHNPEI AS THE INFLUENCE OF NANGKA WANES
AS IT MOVES NORTH OF CHUUK STATE.
SEA CONDITIONS REMAINS HAZARDOUS FOR POHNPEI AND MAJURO WHILE SEAS
HAVE FALLEN AT KOSRAE ENOUGH TO DROP THE HEADLINE IN THE KOSRAE
FORECAST. SURF WILL GRADUALLY FALL OVER THE NEXT 24 HOURS AND SHOULD
FALL BELOW HAZARDOUS LEVELS AT ALL LOCATIONS BY SUNDAY NIGHT AS
MONSOON GENERATED SWELL AND WIND WAVES DIMINISH.
&&
.WESTERN MICRONESIA...
THE 00Z CHUUK SOUNDING SHOWS IMPRESSIVE 50 KT SOUTHWEST MONSOON FLOW
WITHIN A LAYER FROM 2800 TO 6000 FT AGL. SATELLITE IMAGERY AND ASCAT
DATA SHOW THIS EVENT CONTINUING THROUGH THE AFTERNOON HOURS.
MODELS DO DECREASE WINDS OVER CHUUK TONIGHT AND TOMORROW BUT CHUUK
OBSERVATIONS INDICATE A RELATIVELY HIGH VERTICAL SHEARED ENVIRONMENT
OVER CHUUK WATERS. THUS...HAVE ADDED A WIND SHEAR GROUP AND
INDICATED HIGHER GUSTS IN SHOWERS IN THE FORECAST FOR TONIGHT.
WEATHER WILL IMPROVE SUNDAY AND SUNDAY NIGHT BUT SCATTERED SHOWERS
ARE EXPECTED TO RETURN MONDAY AND TUESDAY AS EFFECTS FROM NANGKA
BECOME REALIZED.
RIDGING WILL KEEP MAINLY DRY WEATHER OVER KOROR THROUGH THE NEXT
SEVERAL DAYS. YAP WEATHER WILL REMAIN UNDER RATHER UNSETTLED WEATHER
FOR THE NEXT COUPLE OF DAYS. DRIER CONDITIONS WILL RESUME TUESDAY AS
CHAN-HOM MOVES INTO THE PHILIPPINE SEA AND DRAGS ACTIVE
MONSOON WEATHER NORTH OF YAP.
FRESH TO OCCASIONALLY STRONG MONSOON FLOW WILL KEEP SWELL AND WIND
WAVES HIGH ENOUGH TO PROLONG HAZARDOUS SURF AT YAP AND KOROR THROUGH
AT LEAST SUNDAY NIGHT. SEAS WILL FALL GRADUALLY OVER THE REST OF THE
WEEKEND ALLOWING THE SMALL CRAFT ADVISORY HEADLINE TO EXPIRE OR BE
CANCELLED BY SUNDAY NIGHT.
THE STRONG MONSOON FLOW WEST OF CHUUK STATE WILL PROMOTE CONTINUED
SWELL GENERATION AND WIND WAVES CAUSING HAZARDOUS SURF TO CONTINUE
ALONG SOUTH AND WEST FACING REEFS THROUGH AT LEAST SUNDAY NIGHT.
&&
.GUM WATCHES/WARNINGS/ADVISORIES...
GU...TYPHOON WATCH FOR GUZ001-002.
FLASH FLOOD WATCH THROUGH MONDAY AFTERNOON FOR GUZ001>004.
TROPICAL STORM WARNING FOR GUZ002.
TYPHOON WARNING FOR GUZ003-004.
MARIANAS WATERS...TYPHOON WATCH FOR PMZ151-152.
TROPICAL STORM WARNING FOR PMZ152.
TYPHOON WARNING FOR PMZ153-154.
&&
MIDDLEBROOKE/WILLIAMSThe office that day
Everything else NWS Guam issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 12:45 AM CDT | Flash Flood Watch | GUM | 50 hr | |
| Jul 4, 1:31 AM CDT | Tropical Storm Warning | GUM | 32 hr | |
| Jul 4, 6:38 AM CDT | Small Craft Advisory | GUM | 6 hr | |
| Jul 4, 6:38 AM CDT | Small Craft Advisory | GUM | 19 hr | |
| Jul 4, 7:51 AM CDT | High Surf Advisory | GUM | 17 hr | |
| Jul 4, 11:18 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Jul 4, 1:36 PM CDT | Flash Flood Warning | GUM | 5 hr | |
| Jul 4, 5:57 PM CDT | Flash Flood Warning | GUM | 6 hr | |
| Jul 4, 5:58 PM CDT | Flash Flood Warning | GUM | 6 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.