A strong low pressure system moved across Quebec during Monday, April 19th. Winds ahead of the associated cold front were 20 to 40 mph (with higher gusts) from the south and southwest from late morning into the evening of April 19th.
Every event with a place to put it; 9 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 episode as NWS BTV wrote it up.
A strong low pressure system moved across Quebec during Monday, April 19th. Winds ahead of the associated cold front were 20 to 40 mph (with higher gusts) from the south and southwest from late morning into the evening of April 19th.
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 Burlington, VT wrote its last area forecast discussion before the first event at Apr 19, 10:50 AM EST, 2 hours 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 1150 AM EDT MON APR 19 2004 HAVE OPTED TO UPDATE THE GOING FCST FOR SOME FIRST AND SECOND PERIOD CHANGES. CF TO MOVE DOWN ACRS SRN CANADA TODAY AND THEN ACRS THE FA TONITE. 11-12Z RUC SHOWS TEMPS TO GET UP INTO THE M60S-M70S TODAY WITH S-SW SFC WINDS AT 10-25G3035KTS TODAY. FEW TWEAKS TO FIRST PERIOD TEMPS/WINDS BASED ON THIS DATA AND LATEST MESO-ETA BUFR DATA. LOW-LVL MSTR TO INCREASE ACRS THE FA LATE TODAY. LOW-LVL LAPSE RATES TO BE HI ACRS THE FA THIS AFTERNOON. SOME MID-LVL MSTR TO AFFECT THE NRN TIER ZONES THIS AFTERNOON. PW VALUES LOOK TO BE AOB 1.1 ACRS THE FA TODAY. RUC SHOWS MOCLDY SKIES ACRS THE FA WITH PCPN TO AFFECT THE FA BY LATER TODAY. H85 WINDS TO BE 25-50+KTS FROM THE W-SW ACRS THE FA TODAY. H7 WINDS TO BE 55-70KTS FROM THE SW ACRS THE FA TODAY. SOME AGEOSTROPHIC MOTION NOTED ACRS THE FA AT H85/7 TODAY. BUFCAN/88D MOSAIC/LTG DATA SHOWS SOME CONVECTION ACRS SRN CANADA ATTM. ENVIRONMENT ACRS THE FA TODAY AGAIN APPEARS TO BE MODERATELY TO HIGHLY SHEARED WITH LOW INSTABILITY. FEEL THAT ANY CONVECTION THAT DOES MAKE IT ACRS THE FA TODAY AND INTO TONITE WILL NEED TO BE WATCHED FOR SOME LINE ORGANIZATION AND/OR TAPPING OF THE STRONGER WINDS THAT ARE ALOFT ACRS THE REGION. EVEN IF THIS DOESN/T HAPPEN... SYNOPTIC WINDS SHOULD BE GUSTING TO 20-50 KTS ACRS THE FA... ESPECIALLY ACRS THE WRN AND CENTRAL ZONES TODAY DUE TO THE SW ORIENTATION OF THE WINDS. WILL CONT WITH THE WIND HEADLINES WHERE THEY CURRENTLY ARE AND MENTION THE CHC FOR SOME HIR WINDS WITH ANY CONVECTION BY LATER TODAY IN THAT STATEMENT. CHANGES TO THE GOING FIRST TWO PERIODS OF THE FCST INCORPORATE THE ABOVE THINKING AND SOME OTHER COSMETIC CHANGES. WRK ZONES AND UPDATED ZFP/NPW/GRIDS ALL GONE. LATER... MURRAY .PREV DISCUSSION...FROM 212 AM EDT... FCST CHALLENGE IS WINDS AND POTENTIAL FOR SVR WX THRU THIS EVENING. CRNT BIG PIC SHOWS MID/UPPER LVL RIDGE ACRS SE CONUS ATTM EXTENDING INTO THE OHIO VALLEY AND MID ATLANTIC STATES. HELPING BUILD RIDGE IS S/W ENERGY AND ASSOCIATED SFC FRNT OVER THE NORTHERN PLAINS...WHICH IS DIGGING MID/UPPER LVL TROF ACRS THAT REGION. PLENTY OF CONVECTION/LIGHTNING ASSOCIATED WITH DUAL JET STRUCTURE AND SFC FRNT ACRS THE NORTHERN PLAINS. THIS CONVECTIVE ACTIVITY AND SFC FRNT WL APPROACH OUR CWA TODAY AND INCREASE OUR CHCS FOR TS. OTHERWISE... BASED ON RAOB DATA AND WATER VAPOR TRENDS MESO-ETA INITIALIZED WELL WITH ULVL JETS AND ASSOCIATED 25H DIVERGENCE AND HAD GOOD PLACEMENT OF 5H VORTS. LATEST SFC ANALYSIS PLACES STRONG WARM FRNT ACRS THE CENTRAL GREAT LAKES INTO WESTERN NY AND OVER SOUTHERN NJ ATTM. THE COMBINATION OF AN ELEVATED LAYER OF INSTABILITY AND STRONG MID LVL LIFT FROM WAA HELPED IN THE DEVELOPMENT OF SCT TS THIS EVENING ACRS OUR FA. LATEST RADAR TRENDS CONT TO SHOW THIS PRECIP LIFTING INTO NORTHERN NEW ENGLAND. MEANWHILE...A STRONG TO SEVERE LINE OF TS CONTS ALONG THE SFC COLD FRNT ACRS THE UPPER MIDWEST ATTM AND WL MOVE TOWARD OUR FA TAFTN. MES0-ETA ALSO INITIALIZED WELL WITH SFC FEATURES AND ASSOCIATED QPF WITH FRNT...THEREFORE WL LEAN TOWARD FOR THIS PACKAGE. TODAY-TONIGHT...MID/UPPER LVL RIDGE SHIFTS FROM OHIO VALLEY TO THE EAST COAST TODAY AS STRONG LLVL WAA CONTS AHEAD OF APPROACHING COLD FRNT. PROGGED 85H TEMPS NEAR 13C AND 925MB TEMPS NEAR 18C SUPPORT HIGHS WELL INTO THE 70S ACRS OUR FA. THE COMBINATION OF STRONG SFC LOW PRES MVING FROM THE GREAT LAKES INTO SOUTHERN CANADA AND SFC HIGH PRES OVER THE CAROLINAS WL CREATE WINDY CONDITIONS OVER THE FA. ALSO...MODELS INDICATE 85H JET OF 50 TO 60KTS ACRS OUR WESTERN FA TAFTN AND BUFKIT SOUNDINGS SHOW ATMOSPHERE WL BECMG WELL MIXED DURING THE AFTN. ALSO...BUFKIT SHOWS GOOD MOMENTUM TRANSFER OF 45KTS TO GROUND BY THIS AFTN. WL ISSUE WIND ADVISORY FOR NNY...CPV...AND WESTERN SLOPES OF THE GREEN MTNS FOR TODAY INTO THE EVENING. THE NEXT QUESTION IS POTENTIAL FOR SVR. FIRST PRE-FRONTAL TROF PUSHES ACRS OUR FA BY 18Z TODAY...WITH BAND OF MID LVL MOISTURE/LIFT...BUT LIMITED INSTABILITY. BY 21Z A STRONG SFC COLD FRNT WL APPROACH WESTERN CWA. MESO-ETA/LOCAL WS-ETA SHOWS LINE OF CONVECTION DEVELOPING ALONG THE FRNT. LLVL INSTABILITY PARAMETERS LOOK MARGINAL FOR STRONG CONVECTION WITH CAPES AT 500 J/KG...TT AROUND 50...VGP AXIS OF AROUND 0.15. FEEL WITH SFC TEMPS WELL INTO THE 70S AND DWPTS INTO THE 50S WL SUPPORT SFC BASED CAPES VALUES AOA 1000 J/KG THIS AFTN. ALSO...STRONG DUAL JET COUPLET AT 25H WL HELP TO ENHANCE ULVL DIVERGENCE...GOOD SFC CONVERGENCE WITH FRNT...AND 7H THETA E AXIS ACRS OUR FA WL HELP IN THE DEVELOPMENT OF CONVECTION. WL MENTION LIKELY POPS THIS EVENING BASED ON GOOD ULVL DYNAMICS AND PLENTY OF MID LVL MOISTURE/LIFT. SOUNDINGS AND LLVL WIND PROFILES SUGGEST POTENTIAL OF DAMAGING WINDS AS PRIMARY SVR WX THREAT LATE THIS AFTN AND EVENING. TONIGHT...SFC COLD FRNT CLRS CWA BY 06Z AND LLVL CAA DEVELOPS. WL MENTION CLRING SKIES LATE AS SFC HIGH PRES BUILDS INTO OUR FA. TUESDAY...STRONG SFC HIGH PRES MVS ACRS OUR FA. BUFKIT SOUNDINGS AND MOISTURE PROFILES SHOW PLENTY OF DRY AIR AND SUBSIDENCE OVER REGION...THEREFORE WL MENTION MS SKIES. PROGGED 85H TEMPS SUPPORT HIGHS BACK INTO THE 50S WITH NW WINDS AT 10 TO 15 MPH. WEDNESDAY-THURSDAY...MID/UPPER LVL RIDGE BUILDS ACRS NE CONUS AS LLVL WAA DEVELOPS OVER OUR FA. LIFT ASSOCIATED 5H AND STRONG WAA WL MENTION CHC POPS LATE WEDS INTO THURS. THIS NEXT SYSTEM LOOKS VERY SIMILAR TO YESTERDAYS WAA EVENT AND TODAYS SFC COLD FROPA. PROGGED 85H TEMPS BTWN 2-4C WEDS SUPPORT HIGHS NEAR 60...WITH U60S/L70S EXPECTED FOR THURS BEFORE FROPA. TABER .BTV WATCHES/WARNINGS/ADVISORIES... .VT...WIND ADVISORY THRU THIS EVENING VTZ001-002-005-009-011-016>019 .NY...WIND ADVISORY THRU THIS EVENING NYZ026>031-034-035-087. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BURLINGTON VT 630 AM EDT MON APR 19 2004 NYZ026>031-034-035-087-VTZ001>012-016>019-191230- CALEDONIA-EASTERN ADDISON-EASTERN CHITTENDEN-EASTERN CLINTON- EASTERN ESSEX-EASTERN FRANKLIN-EASTERN RUTLAND-ESSEX-GRAND ISLE- LAMOILLE-NORTHERN FRANKLIN-NORTHERN ST. LAWRENCE-ORANGE-ORLEANS- SOUTHEASTERN ST. LAWRENCE-SOUTHERN FRANKLIN- SOUTHWESTERN ST. LAWRENCE-WASHINGTON-WESTERN ADDISON- WESTERN CHITTENDEN-WESTERN CLINTON-WESTERN ESSEX-WESTERN FRANKLIN- WESTERN RUTLAND-WINDSOR- 630 AM EDT MON APR 19 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHERN VERMONT AS WELL AS NORTHERN NEW YORK. .DAY ONE...TODAY: A WIND ADVISORY IS IN EFFECT TODAY THROUGH THIS EVENING FOR ALL OF NORTHERN NEW YORK AND MUCH OF WESTERN VERMONT. SOUTHWEST WINDS WILL INCREASE TO 25 TO 35 MILES PER HOUR TODAY WITH GUSTS TO 50 MILES PER HOUR. WINDS WILL SHIFT INTO THE NORTHWEST TONIGHT AND THEN GRADUALLY DECREASE. THERE IS ALSO A CHANCE OF THUNDERSTORMS THIS AFTERNOON AND TONIGHT ACROSS THE ENTIRE REGION. THERE IS A SLIGHT CHANCE THAT THE THUNDERSTORMS MAY CONTAIN DAMAGING WINDS, ESPECIALLY ACROSS NORTHERN NEW YORK. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY: NO HAZARDOUS WEATHER IS EXPECTED. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.
The national radar mosaic for the moment the first event began.
9 strong wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Vermont in 2004Every state in 2004This day in weather historyWarnings in Vermont, April 2004
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: 5393902, 5393903, 5393904, 5393905, 5393906, 5393907, 5393908, 5393909, 5393910.