On June 24, a weak wave of low pressure had moved northeastward through New England. In its wake, it left a stationary front boundary along the New England coast.
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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 ALY wrote it up.
On June 24, a weak wave of low pressure had moved northeastward through New England. In its wake, it left a stationary front boundary along the New England coast. The air mass over southeastern New York State was moist and fairly unstable and there was considerable environmental wind shear over the region. On the evening of June 25, a supercell thunderstorm formed in Dutchess County. This thunderstorm briefly produced an F1 tornado, which was on the ground 15 to 30 seconds cutting a path a half mile long and 150 yards wide in the vicinity of Lagrangeville..
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 Albany, NY wrote its last area forecast discussion before the first event at Jun 25, 2:34 PM EST, 3 hours 41 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ALBANY NY 334 PM EDT SUN JUN 25 2006 .SHORT TERM /TONIGHT THROUGH WEDNESDAY/... RADAR AND SATELLITE SHOW THE BAND OF RAIN MAKING STEADY PROGRESS NORTH NOW. MOSTLY RAIN...BUT SOME EMBEDDED CONVECTIVE ELEMENTS...WHICH MAY PRODUCE A RUMBLE OF THUNDER FROM TIME TO TIME THROUGH THIS EVENING. RAIN WILL SPREAD ACROSS THE ENTIRE REGION OVERNIGHT...AND WITH THE MOISTURE AND CLOUDS...TEMPERATURES NOT AS COOL AS LAST NIGHT. SOME HINTS OF A LOW LEVEL JET SEGMENT BEGINNING TO GET ORGANIZED IN THE MID ATLANTIC REGION...AND AS BAND OF MOISTURE CONTINUES TO SHIFT NORTH AND WEST...RAIN WILL CONTINUE TO EXPAND...AND CONTAIN SOME CONVECTIVE ELEMENTS. AS UPPER RIDGE OFF NEW ENGLAND AMPLIFIES...SOME SLIGHT STABILIZING INFLUENCE NOSES THROUGH NEW ENGLAND INTO THE HUDSON VALLEY THROUGH MONDAY...SO BEST CHANCES OF RAIN SHIFT TO WESTERN AREAS LATER TONIGHT AND THROUGH MONDAY. SOME OF THE CONVECTIVE ELEMENTS...AND SOME OF THE TERRAIN EFFECTS IN THE CATSKILLS AND ADIRONDACKS WILL PRODUCE LOCALIZED HEAVY RAINFALL AND LOCALIZED SMALL STREAM RISES. ANY LOCALIZED MINOR NUISANCE FLOODING WILL BE HANDLED IN SHORT TERM PRODUCTS. FLOOD THREAT NOT WIDESPREAD ENOUGH FOR A FLOOD WATCH. PLUMES...SREFS AND MREFS SUGGEST BEST CHANCES AT HEAVIEST RAINS WEST OF THE HUDSON VALLEY...AND MAYBE JUST WEST OF THE CATSKILLS AND ADIRONDACKS. UPPER SYSTEM SLOW TO EVOLVE IN THE GREAT LAKES AND OHIO VALLEY WILL CONTINUE TO HELP STEER DEEPER MOISTURE ACROSS THE EASTERN U.S....AND UPPER JET SEGMENT EVOLVES IN SUCH A WAY THAT ENHANCED BOUNDARY LAYER FLOW CONTINUES OVER WESTERN AREAS THROUGH TUESDAY. BY TUESDAY NIGHT AND WEDNESDAY...MEAN UPPER TROUGH AXIS SHIFTS EAST...UPPER ENERGY ORIGINATING FROM THE TROPICS WILL TRACK THROUGH THE REGION...AND STRONG LOW LEVEL JET SEGMENT PROVIDES SOME ENHANCED LOW LEVEL FORCING...SO ENHANCED RAIN CHANCES SHIFT EAST THROUGH OUR AREA AND INTO NEW ENGLAND THROUGH TUESDAY NIGHT AND WEDNESDAY. BASED ON MREFS...ANOTHER LOCALIZED FLOOD THREAT WITH TUESDAY NIGHT AND WEDNESDAY RAINS. && .LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/... MEAN UPPER TROUGH AXIS REMAINS WEST OF THE REGION...THROUGH MUCH OF THE WEEK...BUT AS UPPER RIDGE OFF NEW ENGLAND DEAMPLIFIES AND IS MORE SUPPRESSED...AND MEAN UPPER FLOW TURNS MORE SOUTHWEST. THIS WILL RESULT IN MORE SCATTERED SHOWER AND THUNDERSTORM ACTIVITY...BUT STILL ABOVE CLIMO RAINFALL CHANCES. BOUNDARY LAYER TEMPERATURES WILL RISE A BIT...AND BETTER CHANCES AT PERIODS OF SUN LATER IN THE WEEK...SO TEMPERATURES WILL BE NEAR TO A LITTLE ABOVE NORMAL. SOME BEGINNING HINTS AT PATTERN CHANGING DURING NEXT WEEKEND AS MEAN UPPER TROUGH AXIS TRIES TO TREND EAST OF THE REGION...BRINGING POTENTIALLY DRYER WEATHER. A PERIOD OF ORGANIZED CONVECTION CAN BE EXPECTED WITH THE FRONTAL PASSAGE...BUT TIMING SPECULATIVE AT THIS POINT...PERHAPS TOWARD FRIDAY OR FRIDAY NIGHT...STAY TUNED. && .AVIATION... CONDITIONS AT KGFL AND KALB WILL DETERIORATE FROM VFR TO WIDESPREAD MVFR CIGS/VSBYS BY 01Z AT KALB AND BY 04Z AT KGFL AS SHOWERS SLOWLY SPREAD NORTH. MVFR CONDITIONS ARE THEN LIKELY TO PERSIST THROUGH THE END OF THE PERIOD DUE TO SHRA/BR/HZ. EXCEPT FOR PERIODS OF VFR VSBYS UNTIL SUNSET...THERE WILL BE MVFR CIGS/VSBYS AT KPOU THROUGH THE PERIOD DUE TO SHRA/BR/HZ. ISOLD TSRA ARE POSSIBLE AT ALL THREE LOCATIONS THROUGH ABOUT 06Z. SURFACE WINDS WILL BE LIGHT THROUGH TONIGHT...WITH SOUTHERLY WINDS ON MONDAY AT 10 TO 15 KTS. && .HYDROLOGY... NUMEROUS SHRA FINALLY SPREADING NORTHWARD INTO THE HSA...WITH MOST OF THE FORECAST AREA GETTING BETWEEN A HALF AND ONE AND A HALF INCH OF RAIN BY MIDDAY MONDAY AS THE STATIONARY BOUNDARY LIFTS TO THE NORTH AND WEST TONIGHT. THE BOUNDARY WILL CONTINUE NORTH AND WEST WITH MOST OF THE HEAVIER PCPN OUT OF THE FORECAST AREA BY TUESDAY MORNING. LOCALIZED TWO TO THREE INCH RAIN TOTALS ARE POSSIBLE OVER THE NEXT 48 HOURS...BUT MOST AREAS WILL GET WELL UNDER TWO INCHES. EVEN IF THREE INCH TOTALS DO OCCUR...UNLESS IT FALLS IN 6 HOURS OR LESS...THERE SHOULD BE LITTLE IF ANY HYDRO PROBLEMS. NERFC FORECASTS KEEP ALL GAGED RIVERS AND STREAMS WELL BELOW FLOOD. THIS IS BASED ON RAIN TOTALS OF AN INCH TO AN INCH AND A HALF OVER THE NEXT 36-48 HOURS. NO FLOOD WATCHES WILL BE ISSUED AT THIS TIME. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...NONE. MA...NONE. NY...NONE. VT...NONE. && NAS/MAGLARAS
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE ALBANY NY 415 PM EDT SUN JUN 25 2006 CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066- 082>084-VTZ013>015-261100- NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN BERKSHIRE- SOUTHERN BERKSHIRE-NORTHERN HERKIMER-HAMILTON-SOUTHERN HERKIMER- SOUTHERN FULTON-MONTGOMERY-NORTHERN SARATOGA-NORTHERN WARREN- NORTHERN WASHINGTON-SCHOHARIE-WESTERN SCHENECTADY- EASTERN SCHENECTADY-SOUTHERN SARATOGA-WESTERN ALBANY- EASTERN ALBANY-WESTERN RENSSELAER-EASTERN RENSSELAER- WESTERN GREENE-EASTERN GREENE-WESTERN COLUMBIA-EASTERN COLUMBIA- WESTERN ULSTER-EASTERN ULSTER-WESTERN DUTCHESS-EASTERN DUTCHESS- NORTHERN FULTON-SOUTHEAST WARREN-SOUTHERN WASHINGTON-BENNINGTON- WESTERN WINDHAM-EASTERN WINDHAM- 415 PM EDT SUN JUN 25 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN CONNECTICUT...WESTERN MASSACHUSETTS...EAST CENTRAL NEW YORK AND SOUTHERN VERMONT. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF NON SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT. ANY THUNDERSTORMS THAT FORM WILL BE SCATTERED. INDIVIDUAL THUNDERSTORMS WILL MOVE FROM WEST SOUTHWEST TO EAST NORTHEAST AT 15 TO 20 MILES AN HOUR. THEY MAY PRODUCE LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE IS A CHANCE OF NON SEVERE THUNDERSTORMS ON MONDAY AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Albany radar (KENX), 105 km away, was scanning. The volume nearest the first event began at 23:14 UTC.
1 tornado. Local standard time, as filed.
An Emergency Manager reported that a tornado occurred at Lagrangeville. The tornado was on the ground between 15 and 30 seconds traveling half a mile and cutting a path 150 yards wide.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2006Every state in 2006This day in weather historyThe tornado archive for New York, 2006Warnings in New York, June 2006
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: 5521903.