1 strong wind, as filed by the National Weather Service.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Juan, PR wrote its last area forecast discussion before the first event at Sep 18, 9:30 AM AST, 5 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 930 AM AST THU SEP 18 2003 DRY WEATHER TO PREVAIL REST OF TODAY IN SPITE OF RETROGRADING UPPER LEVEL LOW EAST OF PUERTO RICO. AVN MODEL BRINGING DRIER AIR TILL 18Z FRIDAY. MODERATE LOW LEVEL FLOW FROM EAST SOUTHEAST SHOULD ALLOW FOR CONVECTION TO BE FOCUSED ALONG THE WEST AND NORTHWEST PART OF PUERTO RICO JUST LIKE YESTERDAY. SOUNDING THIS MORNING SHOWS A MORE STABLE AIRMASS THAN IN THE PAST FOUR DAYS. SHOULD LAST THROUGH FRIDAY MORNING ONLY SINCE MOISTURE INCREASES LOCALLY FRIDAY. MORE SHOWERS AND A FEW MORE THUNDERSTORMS UNDER EAST TO NORTHEAST WINDS./RM 5 AM DISCUSSION.... FEEL THAT WEATHER THE NEXT SEVERAL DAYS WILL BE CONTROLLED BY TYPICAL LOCAL TRENDS...BUT AIDED AT TIMES BY SIGNIFICANT DYNAMIC FORCING...BEGINNING AS EARLY AS THIS AFTERNOON AND CONTINUING INTO/THROUGH THE UPCOMING WEEKEND. THERE MAY NOT BE AN ABUNDANCE OF LOW LEVEL MOISTURE AVAILABLE ALL THE TIME...BUT SHOULD BE SUFFICIENT TO ALLOW FOR THE DEVELOPMENT OF SHOWERS AND A FEW THUNDERSTORMS... WITH LOW TO MID LEVEL FLOW DICTATING AREAL PLACEMENT. TUTT LOW TO OUR EAST-NORTHEAST ALREADY CLOSED OFF AND IS EXPECTED TO MOVE SLOWLY...BUT STEADILY SOUTHWEST AND THEN WEST-SOUTHWEST TOWARD AND THEN ACROSS THE LOCAL AREA DURING THE NEXT 24 TO 72 HOURS AND BEYOND...BRINGING INCREASING INSTABILITY AND MORE FAVORABLE DYNAMICS. IN FACT...AS NICELY SHOWN IN UPPER LEVEL ANALYSES AND GFS MODEL DATA AND AS INDICATED BY WATER VAPOR IMAGERY AND YESTERDAYS NCEP TROPICAL DESK DISCUSSION...IMPRESSIVE 40-60 KNOT WIND MAX ON WEST SIDE OF TUTT LOW WILL BEGIN TO AFFECT PARTS OF THE NORTHEAST CARIBBEAN TODAY AND MAY BE JUST CLOSE ENOUGH TO FA TODAY AS WELL... TO ENHANCE LOCAL CONVECTION THIS AFTERNOON AND TONIGHT AND POSSIBLY ON FRIDAY AS WELL. THEREAFTER...MID TO UPPER LEVEL LOW/TROUGH ITSELF WILL BE NEARBY TO ALSO ENHANCE CONVECTION. BASED ON PAST SCENARIOS OF THIS KIND AND AS MENTIONED IN OUR PREVIOUS AFD...WE MAY SEE A COUPLE OF THUNDERSTORMS THIS AFTERNOON AND FRIDAY AFTERNOON APPROACHING SEVERE LIMITS AND THIS COULD ALSO BE THE CASE DURING THE WEEKEND. FOR COASTAL WATERS...ALTHOUGH SMALLER...PERSISTENT NORTHWEST SWELLS WILL CONTINUE ACROSS LOCAL ATLANTIC WATERS AND CARIBBEAN PASSAGES TODAY AND THEN BUILD AGAIN TONIGHT...BUT ESPECIALLY FRIDAY AND FRIDAY NIGHT IN YET ANOTHER PULSE OF NORTHWEST SWELL...BEFORE SUBSIDING AGAIN SATURDAY. FAIRLY TRANQUIL WIND CONDITIONS EXPECTED NEXT SEVERAL DAYS...IN FACT SHOULD GENERALLY BE 15 KNOTS OR LESS IN MOST AREAS THROUGH MONDAY. PLEASE REFER TO ZFP AND CWF FOR FORECAST DETAILS. SJU... .PR...NONE. .VI...NONE. EQUIPMENT...NO PROBLEMS AT THIS TIME. SEELEY
PRZ001>013-VIZ001-002-AMZ710>750-182200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 611 AM AST THU SEP 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO. .TODAY AND TONIGHT...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON...ESPECIALLY OVER THE CENTRAL AND WESTERN INTERIOR AND NORTHWEST SECTIONS OF PUERTO RICO. ALTHOUGH NO SIGNIFICANT FLOODING IS EXPECTED TODAY...A FEW LOCATIONS COULD RECEIVE ENOUGH RAINFALL TO RESULT IN AT LEAST SOME URBAN AND SMALL STREAM FLOODING. IN ADDITION...MUDSLIDES ARE POSSIBLE OVER AREAS OF STEEP TERRAIN. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. .FRIDAY THROUGH WEDNESDAY...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP IN THE AFTERNOONS ACROSS SECTIONS OF PUERTO RICO. SOME LOCALIZED URBAN OR SMALL STREAM FLOODING IS POSSIBLE. NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS. .TODAY AND TONIGHT...SCATTERED SHOWERS AND AN ISOLATED THUNDERSTORM OR TWO ARE POSSIBLE ACROSS THE U.S. VIRGIN ISLANDS TODAY. NO SIGNIFICANT FLOODING IS EXPECTED...BUT A COUPLE OF LOCATIONS COULD RECEIVE ENOUGH RAINFALL TO RESULT IN SOME MINOR URBAN OR GUT FLOODING. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. .FRIDAY THROUGH WEDNESDAY...SCATTERED SHOWERS AND AN ISOLATED THUNDERSTORM OR TWO ARE POSSIBLE EACH DAY OVER PARTS OF THE LOCAL ISLANDS. SOME LOCALIZED URBAN OR GUT FLOODING IS POSSIBLE. NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE WEB SITE FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS AT (ALL LOWERCASE LETTERS): HTTP://WWW.SRH.NOAA.GOV/SJU.
1 strong wind. Local standard time, as filed.
A resident of Barrio Las Cumbres Romero in Villalba reported strong gusty winds that blew away some zinc roof shingles from his home.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Puerto Rico in 2003Every state in 2003This day in weather historyWarnings in Puerto Rico, September 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5336942.