Alert archive / New York / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 17, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at May 21, 2013, 6:24 PM EDT for Columbia County, Dutchess County, New York; Northwest Hills Planning Region, Connecticut. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 21, 2013, 6:24 PM EDT (22:24 UTC)
- Expired
- May 21, 2013, 7:30 PM EDT
- In force
- 66 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
Counties Northwest Hills Planning Region, CT, Columbia County, NY, Dutchess County, NY
The radar
The Albany radar (KENX), 83 km from the middle of the area, began a volume at 22:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 21, 1:40 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.4 hours before the alert went out and 85 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 98 J/kg
- Mixed-layer CIN
- -172 J/kg
- Mixed-layer LCL
- 819 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at May 21, 4:32 PM EDT, 1 hour 52 minutes earlier.
Area forecast discussion, May 21, 4:32 PM EDT, 1 hour 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ALBANY NY 432 PM EDT TUE MAY 21 2013 .SYNOPSIS... WARM AND HUMID CONDITIONS WILL CONTINUE THE NEXT FEW DAYS WITH SHOWERS AND THUNDERSTORMS POSSIBLE. SOME OF THUNDERSTORMS COULD BE STRONG TO SEVERE EARLY THIS EVENING AND TOMORROW. A COLD FRONT WILL APPROACH THE REGION ON THURSDAY...AND MOVE EAST OF THE REGION ON FRIDAY WITH COOLER AND DRIER AIR FILTERING IN FOR THE HOLIDAY WEEKEND. && .NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/... SEVERE THUNDERSTORM WATCH UNTIL 9 PM EDT FOR EASTERN NEW YORK AND WESTERN NEW ENGLAND... AS 415 PM EDT...IMPRESSIVE LARGE HAIL PRODUCING THUNDERSTORMS HAVE DEVELOPED IN THE CAPITAL REGION...AND POINTS JUST TO THE SOUTH. THE CELLS HAVE EXHIBITED HAIL MONSTER LIKE CHARACTERISTICS WITH SOME ELEVATED HAIL CORES /> 50 DBZS/ WAY ABOVE THE -20C HEIGHT. IN SOME CASES...EXCEEDING 40 KFT AGL !!! A QUICK MESOANALYIS SHOWS A WEAK SFC LOW/MESO LOW IS MOVING ACROSS THE CNTRL PORTION OF THE FCST AREA...WITH THE WINDS TO THE NORTHEAST AT KGFL...AND S/SW AT KPOU...AND SE WINDS OVER ALY. THE FCST AREA GOT INTO A WELL DEFINED WARM SECTOR...WHERE TEMPS SOARED INTO THE MID AND U80S...ESPECIALLY FROM THE CAPITAL REGION/MOHAWK VALLEY SOUTHWARD. A FEW 90S HAVE OCCURRED IN THE MID HUDSON VALLEY. THE FRONT LOOKS LIKE IT IS JUST CLIPPING THE DACKS...LAKE GEORGE SARATOGA REGION...AND S-CNTRL VT. SFC DEWPTS HAVE RISEN INTO THE MID AND U60S OVER A LARGE PORTION OF THE FCST AREA. THE LATEST SPC MESO ANALYSIS PAGE INDICATES SBCAPES HAVE REACHED 2000-3500+ J/KG FROM THE CAPITAL DISTRICT SOUTH AND EAST...AND LESS INSTABILITY NORTHWARD /1000-2000 J/KG/. THE 0-6 KM BULK SHEAR ARE NOT OVERLY IMPRESSIVE IN THE SRN ZONES /BASICALLY SOUTH OF ALY/ WITH LESS THAN 30 KTS...BUT TO THE NORTH THE SHEAR VALUES ARE 30-40 KTS. MID LEVEL LAPSE RATES ARE APPROACHING THE 6.5 C/KM RANGE. THE CONVECTION SEEMS TO REFIRING ON THE AXIS OF 2000+ J/KG SBCAPE VALUES...AND THE RIM OF THE 30 KT SHEAR VALUES. THE LATEST MAGLENTA INDEX INDICATES A MAJOR SEVERE EVENT /HINGING ON THE LARGE CAPE VALUES/. CAPE=2000 J/KG (APPROX) MAX SOUNDING WIND=40 KTS EHI=0.5 STORM SPEED=20 KTS SRH=125 THE SVR CONVECTION SHOULD SIMMER DOWN EARLY THIS EVENING...BUT THE APPROACHING SHORT-WAVE FROM EXTREME SE ONTARIO...AND NRN LAKE ONTARIO WILL IMPACT OUR NRN ZONES BTWN BTWN 7 PM-10 PM. THE INSTABILITY WILL BE WANING...AND WE KEPT GUSTY WINDS IN THE FORECAST. POPS WERE RAISED TO CATEGORICAL AND HIGH LIKELY VALUES...AND LOCATIONS NORTH OF THE MOHAWK VALLEY COULD GET SOME DECENT RAINFALL. THE BEST LOW-LEVEL CONVERGENCE AND ISENTROPIC LIFT SETS UP IN THESE AREAS. THE SHOWALTER VALUES ARE STILL BELOW 0C...SO SOME ELEVATED INSTABILITY WILL BE A ROUND...SO WE WILL KEEP A CHANCE OF THUNDER IN. OVERNIGHT MINS WILL BE ON THE MURKY SIDE WITH TEMPS IN THE U50S TO M60S FOR LOWS. && .SHORT TERM /6 AM WEDNESDAY MORNING THROUGH THURSDAY NIGHT/... TOMORROW...THE SFC BOUNDARY WILL LIFT NORTHWARD AS A WARM FRONT AGAIN...AND THE FCST AREA GETS BACK INTO THE WARM SECTOR. ANOTHER SHORT-WAVE WILL BE APPROACHING FROM THE ERN GREAT LAKES IN THE MID TO LATE AFTERNOON. SBCAPES ARE EXPECTED TO INCREASE 1000-2500 J/KG AGAIN OVER THE SRN TWO THIRDS OF THE FCST AREA WITH 0-6 KM BULK SHEAR VALUES ONLY 25-30 KTS OR SO PRIOR TO 00Z...BUT THEN THEY INCREASE BTWN 00Z-06Z BASED ON THE NAM/GFS. THE LAPSE RATES DON/T STEEPEN TO 6.5C/KM UNTIL AROUND 00Z TOO. OUR THINKING IS FOR A LATER CONVECTIVE EVENT TOMORROW IN THE LATE AFTERNOON INTO THE EARLY EVENING. SPC HAS MOST OF THE AREA OUTLOOKED /EXCEPT WRN NEW ENGLAND/. HAVE DECIDED TO USE ENHANCED WORDING FOR SOME STORMS MAY BE SEVERE IN THE AFTERNOON UNTIL MIDNIGHT. THE GUIDANCE USUALLY STRUGGLES WITH PREFRONTAL TROUGHS...AND ONE LOOKS POSSIBLE LATE TOMORROW AFTERNOON INTO THE EARLY EVENING FOR STRONG TO SEVERE CONVECTION. PWATS WILL CONTINUE TO RUN A FEW STANDARD DEVIATIONS ABOVE NORMAL WITH VALUES OF 1.25-1.75"...AND SFC DEWPTS WILL BE IN THE 60S AGAIN. SOME HEAVY DOWNPOURS WILL BE POSSIBLE WITH ANY CONVECTION. WILL CONTINUE TO HIGHLIGHT TOMORROWS SEVERE THREAT. OUR LOCAL WRF INDICATES A SQUALL LINE MAY BE MOVING ACROSS W-CNTRL NY BY 00Z/THU IN THE 3KM BASE REF. THIS WILL CONTINUE TO BE MONITORED. HIGHS TOMORROW IN THE U70S TO L80S OVER THE MTNS...AND M80S TO U80S IN THE VALLEYS. LOWS WILL MAINLY BE IN THE 60S WED NIGHT WITH SULTRY SUMMERLIKE CONDITIONS. THU-THU NIGHT...TRICKY FORECAST FOR STRONG TO SEVERE CONVECTION ON THU WITH THE COLD FRONT STILL TO THE WEST. THE BETTER JET DYNAMICS DURING THE AFTERNOON WITH APPRECIABLE MOISTURE AND INSTABILITY IN PLACE. THE QUESTION WILL BE HOW MUCH HEATING OCCURS WITH CLOUD COVER BEING AND ISSUE. LOCATIONS FROM THE CAPITAL DISTRICT SOUTH AND EAST MAY HAVE THE BEST CHC FOR DESTABILIZATION AND SEVERE WEATHER. NO SPC OUTLOOK YET...BUT DEFINITELY COULD SEE ONE LATER FOR PARTS OF THE REGION. WILL MENTION SOME STRONG TO SEVERE THUNDERSTORMS MAY BE POSSIBLE AGAIN ON THU. THE FRONT MOVES THROUGH SLOWLY...WITH SHOWERS PERSISTING THROUGH THE OVERNIGHT. A WEAK WAVE MOVE ALONG THE BOUNDARY TOO. THE COLD ADVECTION WILL SLOWLY SEEP INTO THE REGION WITH LOWS IN THE 50S TO L60S BY DAYBREAK FRI. HIGHS WILL GENERALLY BE IN THE 70S ON THU. && .LONG TERM /FRIDAY THROUGH TUESDAY/... COOLER AND DRY WEATHER EXPECTED FOR THE HOLIDAY WEEKEND. HAVE FOLLOWED THE WEATHER PREDICTION CENTER'S GUIDANCE WHICH FAVORS THE ECMWF ENSEMBLE MEAN WHICH HAS THE SUPPORT OF THE GEFS MEANS. WPC INDICATES THE DETERMINISTIC/OPERATIONAL RUNS OF THE ECMWF AND GFS DEVIATE SIGNIFICANTLY ENOUGH FROM THE STEADIER MEANS THAT THEY WERE NOT INCORPORATION INTO THEIR FORECAST. CANADIAN HIGH PRESSURE WILL BUILD INTO THE REGION AS WE HEAD INTO THE WEEKEND BEHIND THE DEPARTING LOW PRESSURE SYSTEM. WILL HAVE LINGER SHOWERS ON FRIDAY AS THE LOW PRESSURE SYSTEM MOVES OFF THE EAST. ON SATURDAY...THE REGION WILL BE UNDER CYCLONIC FLOW. THE HIGH WILL SHIFT EASTWARD ACROSS THE REGION AND OFFSHORE EARLY NEXT WEEK. SATURDAY IS EXPECTED TO BE THE COOLEST DAY WITH HIGHS MAINLY IN THE MID 50S TO MID 60S...AROUND 10 DEGREE BELOW NORMAL. TEMPERATURES WILL GRADUALLY MODERATE AS THE HIGH SHIFTS TO THE EAST WITH NEAR SEASONABLE TEMPERATURES FOR MONDAY. THE GROWING SEASON IS UNDERWAY ACROSS THE MID HUDSON VALLEY... GREATER CAPITAL DISTRICT...LAKE GEORGE SARATOGA REGION...THE MOHAWK VALLEY...EASTERN CATSKILLS...TACONICS...BERKSHIRES...BENNINGTON AND EASTERN WINDHAM COUNTIES VT AND LITCHFIELD COUNTY. IT WILL START ON MAY 25TH FOR THE SOUTHERN ADIRONDACKS AND WESTERN WINDHAM COUNTY. AT THIS TIME...NIGHTTIME LOWS FRIDAY NIGHT/SATURDAY MORNING AND SATURDAY NIGHT/SUNDAY MORNING ARE EXPECTED TO BE IN THE 40S IN THE VALLEYS AND 30S ACROSS THE HIGHER TERRAIN. WITH THE EXPANSION OF THE GROWING SEASON BY THIS TIME FROST ADVISORIES WOULD BE LIKELY NEEDED FOR THE HIGHER TERRAIN. TEMPERATURES ACROSS THE SOUTHERN ADIRONDACKS COULD BE COLDER WHICH WOULD LEAD TO THE NEED FOR A FREEZE WARNING. && .AVIATION /21Z TUESDAY THROUGH SUNDAY/... CONVECTION...SOME SEVERE THUNDERSTORMS...HAS BEEN OCCURRING MAINLY TO THE SOUTH OF THE FRONTAL BOUNDARY DRAPED ACROSS THE AREA AS A WEAK MESO LOW MOVES ALONG THE BOUNDARY. CONVECTION SHOULD SIMMER DOWN BY EARLY THIS EVENING...HOWEVER AN APPROACHING SHORT WAVE FROM THE WEST WILL BRING THREAT OF CONVECTION BACK TO THE AREA ESPECIALLY ACROSS THE NORTHERN PORTION OF THE LOCAL AREA TONIGHT. ONCE AGAIN EXPECTING A LULL WEDNESDAY MORNING WITH RENEWED CHANCES FOR CONVECTION AS THE FRONTAL BOUNDARY LIFTS NORTHWARD AS A WARM FRONT AGAIN...AND THE AREA GETS BACK INTO THE WARM SECTOR. HAVE NORTHEAST FLOW TO THE NORTH OF BOUNDARY AND SOUTHEAST TO SOUTH OF THE BOUNDARY. WILL BE BECOME LIGHT OVERNIGHT. WITH THE BOUNDARY EXPECTED TO LIFT NORTHWARD A SOUTHERLY FLOW WILL DEVELOP ACROSS THE AREA. OUTLOOK... WED NIGHT...VFR/MVFR WITH IFR POSSIBLE. -SHRA/-TSRA BECOMING LIKELY. THU...MVFR WITH IFR POSSIBLE. -SHRA/-TSRA LIKELY. FRI...MAINLY VFR. CHC -SHRA. SAT-SUN...VFR. NO SIG WX. && .FIRE WEATHER... NO FIRE WEATHER CONCERNS THROUGH FRIDAY. OCCASIONAL SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THURSDAY NIGHT. RH VALUES WILL INCREASE TO 85 TO 100 PERCENT TONIGHT...AND WEDNESDAY NIGHT...AND LOWER TO 45 TO 60 PERCENT TOMORROW AFTERNOON. TH WINDS ARE EXPECTED TO BE MAINLY LESS THAN 10 MPH TONIGHT THROUGH WEDNESDAY NIGHT...EXCEPT STRONGER GUSTS WILL BE POSSIBLE WITH THUNDERSTORMS. && .HYDROLOGY... NO WIDESPREAD HYDRO SERVICE AREAS PROBLEMS ARE EXPECTED THE NEXT 5 DAYS. SOME LOCALLY HEAVY DOWNPOURS OF RAINFALL MAY OCCUR TODAY THROUGH THURSDAY NIGHT WITHIN ANY THUNDERSTORMS. 3-HR ZONAL FFG VALUES ARE GENERALLY IN THE 2.4-3.1 INCH RANGE AT THIS TIME...WHICH ARE HIGH FOR MID TO LATE MAY. DUE TO THE SCATTERED NATURE OF THE SHOWERS AND THUNDERSTORMS... BASIN AVERAGE QPF WILL BE HIGHLY VARIABLE THIS WEEK. THE BEST THREAT FOR SEEING SIGNIFICANT AMOUNTS OF SHOWERS OR THUNDERSTORMS WILL BE TONIGHT...AND AGAIN ON THURSDAY AFTERNOON INTO THURSDAY NIGHT. THE HIGHEST AREAL RAINFALL AMOUNTS WILL BE ACROSS THE NRN HALF OF THE FCST AREA BASED ON THE LATEST NERFC QPF WITH 1 TO 2 INCHES POSSIBLE BY THURSDAY MORNING OVER THE SRN DACKS...LAKE GEORGE REGION...AND A THIRD OF AN INCH TO AN INCH SOUTH OF THESE LOCATIONS. HOWEVER...HEAVIER RAINFALL AMOUNTS CAN OCCUR WITH ANY THUNDERSTORMS IN THE HUMID AIR MASS. FOR DETAILS ON SPECIFIC AREA RIVERS AND LAKES...INCLUDING OBSERVED AND FORECAST RIVER STAGES AND LAKE ELEVATIONS...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...WASULA NEAR TERM...WASULA SHORT TERM...WASULA LONG TERM...IAA/NAS AVIATION...IAA/11 FIRE WEATHER...WASULA HYDROLOGY...FRUGIS/WASULA
Hazardous weather outlook, May 21, 4:36 PM EDT, 1 hour 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ALBANY NY 436 PM EDT TUE MAY 21 2013 CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066- 082>084-VTZ013>015-221100- 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- 436 PM EDT TUE MAY 21 2013 ...SEVERE THUNDERSTORM WATCH 203 IN EFFECT UNTIL 9 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWESTERN CONNECTICUT...WESTERN MASSACHUSETTS...EAST CENTRAL NEW YORK AND SOUTHERN VERMONT. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SCATTERED THUNDERSTORMS ARE POSSIBLE AGAIN ON WEDNESDAY INTO WEDNESDAY NIGHT. THE STORM PREDICTION CENTER HAS PLACED MUCH OF THE REGION IN A SLIGHT RISK FOR SEVERE THUNDERSTORMS...WITH LARGE HAIL AND DAMAGING WINDS BEING THE MAIN THREATS. THERE IS ALSO A CHANCE OF THUNDERSTORMS AGAIN ON THURSDAY INTO THURSDAY NIGHT. SOME OF THESE THUNDERSTORMS COULD ALSO BE STRONG TO SEVERE...ESPECIALLY FROM THE CAPITAL REGION SOUTH AND EAST. SOME AREAS OF FROST MAY BE POSSIBLE ON THE HOLIDAY WEEKEND...ESPECIALLY OVER THE HIGHER TERRAIN. .SPOTTER INFORMATION STATEMENT... SKYWARN ACTIVATION IS REQUESTED AT THIS TIME FOR THE FOLLOWING COUNTIES UNTIL 9 PM... IN NORTHWESTERN CONNECTICUT...LITCHFIELD. IN WESTERN MASSACHUSETTS...BERKSHIRE. IN EAST CENTRAL NEW YORK...ALBANY...COLUMBIA...DUTCHESS...FULTON ...GREENE...HAMILTON...HERKIMER...MONTGOMERY...RENSSELAER...SARATOGA ...SCHENECTADY...SCHOHARIE...ULSTER...WARREN AND WASHINGTON. IN SOUTHERN VERMONT...BENNINGTON AND WINDHAM. FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT WWW.WEATHER.GOV/ALBANY
In the hours before
Local storm report, May 21, 5:55 PM EDT, 29 minutes before
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</html>Local storm report, May 21, 6:24 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 2:26 AM EDT | Special Weather Statement | ALY | Hamilton, Herkimer | 64 min |
| May 21, 3:34 AM EDT | Special Weather Statement | ALY | Fulton, Hamilton, Montgomery, Saratoga, Schenectady, Warren | 56 min |
| May 21, 2:29 PM EDT | Special Weather Statement | ALY | Columbia | 31 min |
| May 21, 2:34 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene, Rensselaer | 41 min |
| May 21, 2:56 PM EDT | Special Weather Statement | ALY | Rensselaer | 34 min |
| May 21, 2:58 PM EDT | Special Weather Statement | ALY | Schoharie | 32 min |
| May 21, 3:11 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Rensselaer | 64 min |
| May 21, 3:15 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Rensselaer | 60 min |
| May 21, 3:35 PM EDT | Special Weather Statement | ALY | Albany | 25 min |
| May 21, 3:38 PM EDT | Special Weather Statement | ALY | Columbia | 37 min |
| May 21, 3:50 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Greene, Rensselaer | 40 min |
| May 21, 3:53 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer | 67 min |
| May 21, 3:55 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 65 min |
| May 21, 4:00 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Herkimer, Montgomery | 60 min |
| May 21, 4:14 PM EDT | Areal Flood Advisory | ALY | Albany, Columbia, Greene, Rensselaer | 6 hr |
| May 21, 4:41 PM EDT | Severe Thunderstorm Warning | ALY | Columbia | 49 min |
| May 21, 4:57 PM EDT | Tornado Warning | ALY | Columbia, Dutchess | 33 min |
| May 21, 5:06 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Herkimer, Montgomery, Saratoga, Warren | 54 min |
| May 21, 5:18 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess | 42 min |
| May 21, 5:31 PM EDT | Tornado Warning | ALY | Columbia, Dutchess | 29 min |
| May 21, 5:49 PM EDT | Special Weather Statement | ALY | Otsego | 26 min |
| May 21, 6:01 PM EDT | Special Weather Statement | ALY | Saratoga | 29 min |
| May 21, 6:09 PM EDT | Special Weather Statement | ALY | Columbia | 36 min |
| May 21, 6:32 PM EDT | Special Weather Statement | ALY | Warren | 28 min |
| May 21, 6:40 PM EDT | Special Weather Statement | ALY | Hamilton | 65 min |
| May 21, 6:58 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 62 min |
| May 21, 7:08 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 67 min |
| May 21, 7:24 PM EDT | Special Weather Statement | ALY | Herkimer | 36 min |
| May 21, 7:28 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 62 min |
| May 21, 7:51 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Herkimer, Montgomery | 54 min |
| May 21, 7:57 PM EDT | Special Weather Statement | ALY | Washington | 33 min |
| May 21, 4:26 PM EDT | Severe Thunderstorm Warning | ALY | Bennington, Windham | 64 min |
| May 21, 6:48 PM EDT | Special Weather Statement | ALY | Windham | 27 min |
| May 21, 5:56 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 64 min |
| May 21, 7:56 PM EDT | Severe Thunderstorm Warning | ALY | Northwest Hills Planning Region | 34 min |
Nearby
Severe Thunderstorm Warnings in New York, 2013Severe Thunderstorm Warnings in Connecticut, 2013Every severe thunderstorm warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.