A warm front gradually moved northward across east central New York during the afternoon hours of Sunday, June 27th. A severe thunderstorm developed along the boundary over Columbia County.
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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.
A warm front gradually moved northward across east central New York during the afternoon hours of Sunday, June 27th. A severe thunderstorm developed along the boundary over Columbia County.
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 27, 3:23 PM EST, 33 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ALBANY NY 423 PM EDT SUN JUN 27 2010 .SYNOPSIS... A WARM FRONT WILL MOVE TO OUR NORTH TONIGHT...IT WILL BE A WARM AND MUGGY NIGHT. SURFACE LOW PRESSURE WILL PASS TO OUR NORTH INTO NEW ENGLAND MONDAY...DRAGGING A COLD FRONT ACROSS THE AREA. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY THIS SYSTEM AS IT MOVES THROUGH WITH SOME STORMS PRODUCING HEAVY DOWNPOURS AND GUSTY WINDS. A MUCH COOLER AIRMASS WILL BE USHERED IN THE MID TO LATE WEEK PERIOD. && .NEAR TERM /UNTIL 6 AM MONDAY MORNING/... WARM FRONT SNAKES EASTWARD FROM LOW PRESSURE OVER THE WESTERN GREAT LAKES ACROSS NEW YORK STATE INTO SOUTHERN/CENTRAL NEW ENGLAND. LAPS SHOWS CAPE VALUES INCREASING WITH HEATING ESPECIALLY ON THE WARM SIDE OF THE BOUNDARY. FORCING WILL REMAIN WEAK INTO THIS EVENING...UNTIL THE LOW LEVEL JET MOVES IN AND STRENGTHENS OVERNIGHT. HAVE SMALL SHORT WAVES MOVING THROUGH FAST FLOW ON THE SOUTHERN PERIPHERY OF THE UPPER LOW NEAR JAMES BAY WHICH THE MODELS HAVE A TOUGH TIME RESOLVING. BULK SHEAR 0-6KM QUITE STRONG ACROSS REGION AROUND 50 KNOTS...HOWEVER MID LEVEL LAPSE RATES ARE RATHER WEAK. THE BOUNDARY WILL PROVIDE FOCUS FOR CONVECTION. THE GFS IS A BIT QUICKER MOVING THE FRONT NORTH TONIGHT THAN THE NAM. THE STORM PREDICTION CENTER DOES HAVE WESTERN AND SOUTHERN PORTIONS OF THE FORECAST AREA IN SLIGHT RISK FOR SEVERE THUNDERSTORMS...ALONG AND TO THE SOUTH OF THE BOUNDARY. WILL HIGHLIGHT IN HAZARDOUS WEATHER OUTLOOK. WILL BE A WARM AND MUGGY NIGHT WITH LOWS IN THE MID 60S TO LOWER 70S WITH INCREASING DEW POINTS. && .SHORT TERM /6 AM MONDAY MORNING THROUGH TUESDAY NIGHT/... BEST CHANCES FOR SEVERE THUNDERSTORMS WILL BE MAINLY SOUTH AND EAST OF THE CAPITAL DISTRICT MONDAY AFTERNOON WHERE WILL HAVE BEST INSTABILITY AND FORCING. WILL BE IN THE WARM SECTOR MONDAY WITH HIGH DEW POINTS IN THE UPPER 60S TO LOWER 70S. MODELS ARE IN FAIRLY GOOD AGREEMENT PASSING SURFACE LOW TO OUR NORTH INTO NORTHERN NEW ENGLAND AND SWEEPING THE COLD FRONT ACROSS THE AREA. THE GFS IS A BIT FASTER THAN THE NAM AND ECMWF. THUNDERSTORMS SHOULD BE ONGOING MONDAY MORNING WITH COVERAGE INCREASING WITH HEATING. ALONG AND SOUTH OF THE COLD FRONT MODERATE INSTABILITY WILL DEVELOP. AN UPPER LEVEL JET STREAK WILL MOVE INTO THE REGION AND THE MODELS CONTINUE TO INDICATE THE LOCAL AREA WILL BE UNDER THE RIGHT REAR ENTRANCE REGION. MAIN THREAT DAMAGING WINDS. ALSO...PRECIPITABLE WATER VALUES ARE FORECAST TO INCREASE UP TO ABOUT 2 INCHES...SO SOME STORMS WILL PRODUCE VERY HEAVY DOWNPOURS. WILL HAVE ENHANCED WORDING FOR GUSTY WINS AND HEAVY RAINS IN ZONES. WILL GET VERY WARM AND WITH HIGH DEW POINTS BE VERY COMFORTABLE MONDAY. HEAT INDICES WARE EXPECTED TO WARM INTO THE LOWER 90S ACROSS MUCH OF THE AREA. HEIGHT FALLS THROUGH TUESDAY NIGHT AS UPPER LEVEL LOW MOVES SOUTHEAST ACROSS EASTERN CANADA. WILL HAVE CYCLONIC FLOW ACROSS REGION WITH SURFACE HIGH PRESSURE NOT EXPECTED TO BEGIN TO BUILD IN UNTIL TUESDAY NIGHT. COOLER AIR WILL FILTER IN ON WESTERLY WINDS TUESDAY...WITH SEASONABLE TEMPERATURES EXPECTED. && .LONG TERM /WEDNESDAY THROUGH SUNDAY/... THE EXTENDED PERIOD WILL BEGIN WITH A CLOSED LOW MOVING ACROSS THE ST. LAWRENCE VALLEY FOR WEDNESDAY INTO THURSDAY. WITH THIS LOW REMAINING NORTH OF THE REGION...MOST OF THE PRECIP ASSOCIATED WITH THIS SYSTEM WILL REMAIN NORTH OF THE US/CANADA BORDER. HOWEVER...DUE TO THE COLD AIR ALOFT...SOME ISOLD INSTABILITY SHOWERS ARE POSSIBLE FOR AREAS NORTH OF THE CAPITAL REGION FOR WED-THURS. ELSEWHERE...JUST SOME PASSING CU WILL DOMINATE THE SKY WITH DRY CONDITIONS. THE MAIN IMPACT OF THIS SYSTEM ON OUR AREA WILL BE RATHER COOL TEMPERATURES. WITH 850 HPA TEMPS AS LOW AS 3-7 DEGREES C AT TIMES...MAX TEMPS ON WED AND THURS WILL ONLY REACH THE LOW TO MID 70S IN THE VALLEYS...WITH 60S GENERALLY ACROSS THE HIGHER TERRAIN. LOWS WILL GENERALLY BE IN THE LOW 50S IN THE VALLEYS...WITH 40S IN THE HILLS AND MOUNTAINS. EVEN SOME MID-UPPER 30S WILL BE POSSIBLE FOR THE HIGHEST TERRAIN ALONG THE SPINE OF THE SOUTHERN GREEN MOUNTAINS...AS WELL AS THE INDIAN LAKE RANGE OF THE SOUTHERN DACKS. THE UPPER LOW WILL MOVE NORTHEASTWARD AND AWAY FROM THE REGION FOR FRIDAY...ALLOWING FOR HIGH PRESSURE AT THE SFC TO MOVE INTO THE REGION. A BUILDING RIDGE ACROSS THE MISSISSIPPI VALLEY WILL SPREAD EASTWARD THROUGH THE WEEKEND. THIS WILL KEEP THE DRY WEATHER IN PLACE THROUGH THE UPCOMING WEEKEND ALONG WITH MODERATING TEMPS. HIGHS IN THE CAPITAL REGION WILL REACH THE UPPER 70S FOR FRI...WITH LOW 80S FOR SAT...AND MID 80S FOR SUNDAY. && .AVIATION /20Z SUNDAY THROUGH FRIDAY/... SOME CONVECTION DEVELOPING AND MOVING EASTWARD ALONG A WARM FRONT OVER CENTRAL NY. HAVE INCLUDED VCSH AT KGFL AND KALB THIS AFTERNOON...BUT DELAYED VCSH AT KPOU UNTIL EVENING AS SOME CLEARING HAS OCCURRED THERE. OTHERWISE...CLOUDS WILL INCREASE THIS AFTERNOON AND EVENING. TONIGHT...MAINLY AFTER MIDNIGHT...A MORE ORGANIZED CONVECTIVE COMPLEX MAY IMPACT THE TAF SITES. HAVE INCLUDED -SHRA/SHRA IN TAFS STARTING AT 05Z ALONG WITH CB. MVFR VSBYS AND CIGS POSSIBLE WITH THIS FEATURE AROUND 08Z/09Z AT KALB AND KGFL...WHILE BRUNT OF THIS CONVECTIVE COMPLEX MAY REMAIN NORTH OF KPOU UNTIL LATE MONDAY MORNING. WINDS OUT OF THE S TO SSW WILL CONTINUE THIS AFTERNOON... DECREASING BRIEFING OVERNIGHT AT KGFL AND KPOU. SOME GUSTY WINDS MAY ACCOMPANY THE AFOREMENTIONED CONVECTIVE COMPLEX IN THE EARLY MORNING HOURS. LATE MONDAY MORNING...SOUTHERLY WINDS WILL INCREASE 8-13 KTS WITH GUSTS AROUND 20 KTS BY AFTERNOON...AHEAD OF A COLD FRONT. OUTLOOK... MON NIGHT...VFR...WITH CHC OF -SHRA MAINLY IN THE EVENING. TUE-FRI...VFR...NO SIG WX. && .FIRE WEATHER... A WARM FRONT WILL MOVE TO OUR NORTH TONIGHT...IT WILL BE A WARM AND MUGGY NIGHT. SURFACE LOW PRESSURE WILL PASS TO OUR NORTH INTO NORTHERN NEW ENGLAND MONDAY...DRAGGING A COLD FRONT ACROSS THE AREA. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY THIS SYSTEM AS IT MOVES THROUGH WITH SOME STORMS PRODUCING HEAVY DOWNPOURS AND GUSTY WINDS. A MUCH COOLER AIRMASS WILL BE USHERED IN THE MID TO LATE WEEK PERIOD. RELATIVE HUMIDITIES WILL RECOVER 90 TO NEAR 100 PERCENT TONIGHT AND DROP TO MINIMUMS OF 50 TO 60 PERCENT MONDAY AFTERNOON. A RECOVERY TO 95 TO NEAR 100 PERCENT IS EXPECTED MONDAY NIGHT WITH MINIMUMS OF 40 TO 50 PERCENT TUESDAY AFTERNOON. LIGHT SOUTHERLY WINDS WILL INCREASING OVERNIGHT AND BECOMING GUSTY ON MONDAY. WINDS WILL SHIFT TO THE WEST WITH THE PASSAGE OF A COLD FRONT. && .HYDROLOGY... A WARM FRONT WILL CONTINUE TO MOVE NORTHWARD ACROSS THE AREA TONIGHT AND WILL BE A FOCUS FOR CONVECTION. SURFACE LOW PRESSURE WILL PASS TO OUR NORTH INTO NORTHERN NEW ENGLAND MONDAY...DRAGGING A COLD FRONT ACROSS THE AREA ACCOMPANIED BY CONVECTION. PRECIPITABLE WATER VALUES ARE FORECAST TO INCREASE UP TO ABOUT 2 INCHES...THIS SOME STORMS WILL PRODUCE VERY HEAVY DOWNPOURS WHICH COULD RESULT IN MINOR URBAN FLOODING OF POOR DRAINAGE AND LOW LYING AREAS...ALONG WITH RAPID RISES ON SMALL STREAMS CREEKS. HOWEVER...THE POTENTIAL FOR RIVER FLOODING APPEARS MINIMAL AT THIS TIME. RIVER AND STREAM FLOW IS GENERALLY NEAR NORMAL. FOR DETAILS ON SPECIFIC AREA RIVERS AND LAKES...INCLUDING OBSERVED AND FORECAST RIVER AND LAKE LEVELS... PLEASE VISIT THE ADVANCED HYDROLOGIC PREDICTION SERVICE /AHPS/GRAPHS ON OUR WEBSITE. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...NONE. NY...NONE. MA...NONE. VT...NONE. && SYNOPSIS...IAA NEAR TERM...IAA SHORT TERM...IAA LONG TERM...FRUGIS AVIATION...KGM FIRE WEATHER...IAA HYDROLOGY...IAA
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ALBANY NY 454 PM EDT SUN JUN 27 2010 CTZ001-013-MAZ001-025-NYZ047-051>054-058>061-063>066-VTZ013>015- 281100- NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN BERKSHIRE- SOUTHERN BERKSHIRE-SCHOHARIE-WESTERN ALBANY-EASTERN ALBANY- WESTERN RENSSELAER-EASTERN RENSSELAER-WESTERN GREENE-EASTERN GREENE- WESTERN COLUMBIA-EASTERN COLUMBIA-WESTERN ULSTER-EASTERN ULSTER- WESTERN DUTCHESS-EASTERN DUTCHESS-BENNINGTON-WESTERN WINDHAM- EASTERN WINDHAM- 454 PM EDT SUN JUN 27 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN CATSKILLS...SOUTHERN PORTION OF THE CAPITAL DISTRICT...MID HUDSON VALLEY...TACONICS... BERKSHIRES...NORTHWESTERN CONNECTICUT AND SOUTHERN VERMONT. .DAY ONE...TONIGHT. WIDELY SCATTERED THUNDERSTORMS WILL OCCUR THIS EVENING IN THE VICINITY OF A WARM FRONT MOVING GRADUALLY NORTH ACROSS THE AREA. THERE IS A SLIGHT CHANCE A STORM OR TWO COULD BECOME SEVERE PRODUCING DAMAGING WINDS. THE STORMS WILL MOVE EASTERLY AT 25 TO 30 MPH. THERE IS A CHANCE FOR NON SEVERE THUNDERSTORMS OVERNIGHT AS A COLD FRONT APPROACHES FROM THE WEST. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THUNDERSTORMS ARE LIKELY MONDAY WITH A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS...ESPECIALLY DURING THE AFTERNOON HOURS AS A COLD FRONT MOVES ACROSS THE AREA. THE MAIN THREAT WILL BE FOR DAMAGING WINDS. THE STORMS WILL MOVE EASTERLY AT 30 TO 40 MPH. IN ADDITION...STORMS WILL PRODUCE HEAVY DOWNPOURS WHICH WILL LIKELY CAUSE PONDING OF WATER IN LOW LYING AND POOR DRAINAGE AREAS AND RAPID RISES ON SMALL STREAMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. NYZ032-033-038>043-048>050-082>084-281100- NORTHERN HERKIMER-HAMILTON-SOUTHERN HERKIMER-SOUTHERN FULTON- MONTGOMERY-NORTHERN SARATOGA-NORTHERN WARREN-NORTHERN WASHINGTON- WESTERN SCHENECTADY-EASTERN SCHENECTADY-SOUTHERN SARATOGA- NORTHERN FULTON-SOUTHEAST WARREN-SOUTHERN WASHINGTON- 454 PM EDT SUN JUN 27 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN ADIRONDACKS...MOHAWK VALLEY INCLUDING SCHENECTADY...SARATOGA LAKE GEORGE REGION. .DAY ONE...TONIGHT. CHANCES FOR THUNDERSTORMS WILL INCREASE OVERNIGHT AS A COLD FRONT APPROACHES FROM THE WEST. SOME OF THE STORMS COULD BECOME STRONG PRODUCING GUSTY WINDS...ESPECIALLY ACROSS THE SOUTHERN ADIRONDACKS. THE STORMS WILL MOVE EASTERLY AT 30 TO 40 MPH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THUNDERSTORMS ARE LIKELY MONDAY AS A COLD FRONT MOVES ACROSS THE AREA. SOME OF THE STORMS COULD BECOME STRONG PRODUCING GUSTY WINDS. THE STORMS WILL MOVE EASTERLY AT 30 TO 40 MPH. IN ADDITION...STORMS WILL PRODUCE HEAVY DOWNPOURS WHICH WILL LIKELY CAUSE PONDING OF WATER IN LOW LYING AND POOR DRAINAGE AREAS AND RAPID RISES ON SMALL STREAMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALBANY NY 415 PM EDT SUN JUN 27 2010 NYZ058>061-272115- EASTERN COLUMBIA NY-WESTERN COLUMBIA NY-EASTERN GREENE NY- WESTERN GREENE NY- 415 PM EDT SUN JUN 27 2010 ...A STRONG THUNDERSTORM IN COLUMBIA COUNTY IN EAST CENTRAL NEW YORK... GREENE COUNTY IN EAST CENTRAL NEW YORK... AT 410 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING...WINDS AROUND 50 MPH...AND HEAVY RAIN. THIS STORM WAS LOCATED NEAR COXSACKIE...OR ABOUT 11 MILES NORTHWEST OF HUDSON...AND MOVING EAST AT 25 MPH. THE THUNDERSTORM WILL BE NEAR... COXSACKIE AND NEW BALTIMORE BY 420 PM EDT COXSACKIE BY 425 PM EDT KINDERHOOK AND VALATIE BY 435 PM EDT CHATHAM BY 445 PM EDT CHATHAM AND PHILMONT BY 450 PM EDT AUSTERLITZ BY 505 PM EDT SOME WEAK ELEVATED ROTATION HAS BEEN OBSERVED WITH THIS STRONG STORM. RAINFALL AMOUNTS WILL RANGE FROM A TENTH OF AN INCH TO A HALF AN INCH. TAW
The Albany radar (KENX), 55 km away, was scanning. The volume nearest the first event began at 20:54 UTC.
2 thunderstorm wind. Local standard time, as filed.
Several trees were reported down in Martindale due to strong thunderstorm winds. One tree was reported to be blocking a road.
Trees were reported down due to strong thunderstorm winds resulting in the closure of Route 22, all lanes, south of Route 23 in Hillsdale.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2010Every state in 2010This day in weather historyWarnings in New York, June 2010
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: 232730, 232731.