Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 170, NWS Albany, NY

August 19, 2011Berkshire County, Massachusetts

NWS Albany, NY issued this severe thunderstorm warning at Aug 19, 2011, 5:24 PM EDT for Berkshire County, Massachusetts. It was in force for 66 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 19, 2011, 5:24 PM EDT (21:24 UTC)
Expired: Aug 19, 2011, 6:30 PM EDT
In force: 66 min
Issued by: NWS Albany, NY
Area: Storm-based polygon

County Berkshire County, MA

The radar

The Albany radar (KENX), 80 km from the middle of the area, began a volume at 21:25 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.

What was reported inside it

Time	Report	Where	Remark
Aug 19, 5:25 PM EDT	HAIL 1	Pittsfield, MA
Aug 19, 5:31 PM EDT	HAIL 1	Pittsfield, MA
Aug 19, 5:36 PM EDT	TSTM WND DMG	Pittsfield, MA	TREE DOWN ON MOBILE HOME

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 1 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 19, 1:04 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.4 hours before the alert went out and 65 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 205 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 940 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

081 
WUUS51 KALY 192124
SVRALY
MAC003-192230-
/O.NEW.KALY.SV.W.0170.110819T2124Z-110819T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
524 PM EDT FRI AUG 19 2011

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BERKSHIRE COUNTY IN WESTERN MASSACHUSETTS...

* UNTIL 630 PM EDT

* AT 521 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  CHESHIRE...OR 6 MILES NORTHEAST OF PITTSFIELD...AND MOVING
  NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   CHESHIRE BY 535 PM EDT...
   SAVOY BY 605 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV OR
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND
EASTERN NEW YORK.

&&

LAT...LON 4255 7297 4249 7297 4239 7300 4237 7302
      4238 7306 4237 7307 4237 7340 4241 7339
      4258 7332 4265 7294
TIME...MOT...LOC 2124Z 247DEG 11KT 4252 7318

$$
TAW/VTK

2 follow-up statements

493 
WWUS51 KALY 192150
SVSALY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
550 PM EDT FRI AUG 19 2011

MAC003-192230-
/O.CON.KALY.SV.W.0170.000000T0000Z-110819T2230Z/
BERKSHIRE MA-
550 PM EDT FRI AUG 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR CENTRAL BERKSHIRE COUNTY...

AT 544 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THERE HAVE BEEN 
SEVERAL REPORTS OF QUARTER SIZE HAIL AND A TREE DOWN WITH THIS 
STORM.  THIS STORM WAS LOCATED NEAR CHESHIRE...OR 10 MILES SOUTH OF 
NORTH ADAMS...MOVING NORTHEAST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  LITTLE EGYPT BY 555 PM EDT...
  SAVOY AND SAVOY CENTER BY 605 PM EDT...
  BRIER BY 615 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV OR
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND
EASTERN NEW YORK.

&&

LAT...LON 4238 7328 4240 7330 4257 7324 4265 7294
      4255 7297 4249 7297 4239 7300 4237 7302
      4238 7306 4237 7307
TIME...MOT...LOC 2148Z 247DEG 11KT 4255 7309

$$
TAW/VTK

212 
WWUS51 KALY 192232
SVSALY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
632 PM EDT FRI AUG 19 2011

MAC003-192241-
/O.EXP.KALY.SV.W.0170.000000T0000Z-110819T2230Z/
BERKSHIRE MA-
632 PM EDT FRI AUG 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BERKSHIRE COUNTY HAS
EXPIRED...

OTHER THUNDERSTORMS CONTINUE TO MOVE ACROSS CENTRAL BERKSHIRE COUNTY 
AT THIS TIME. THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV OR
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND
EASTERN NEW YORK.

LAT...LON 4238 7328 4240 7330 4257 7324 4265 7294
      4255 7297 4249 7297 4239 7300 4237 7302
      4238 7306 4237 7307
TIME...MOT...LOC 2150Z 247DEG 11KT 4255 7308

$$

TAW/VTK

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 Aug 19, 5:11 PM EDT, 13 minutes earlier.

Area forecast discussion, Aug 19, 5:11 PM EDT, 13 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ALBANY NY
511 PM EDT FRI AUG 19 2011

.SYNOPSIS...
A WEAK FRONTAL BOUNDARY MOVING INTO THE REGION WILL CONTINUE TO
TRIGGER SHOWERS AND THUNDERSTORMS ACROSS THE AREA INTO THIS EVENING.
OUTSIDE OF AN ISOLATED SHOWER OR THUNDERSTORM ON SATURDAY SEASONABLE
WEATHER IS EXPECTED AS A NARROW RIDGE OF HIGH PRESSURE MOVES ACROSS
THE REGION. A STRONGER COLD FRONT IS EXPECTED TO MOVE ACROSS THE
REGION SUNDAY AND SUNDAY NIGHT WITH ANOTHER ROUND OF SHOWERS AND
THUNDERSTORMS EXPECTED.

&&

.NEAR TERM /UNTIL 6 AM SATURDAY MORNING/...
SEVERE THUNDERSTORM WATCH #791 REMAINS IN EFFECT UNTIL 9 PM FOR
SCHOHARIE...ALBANY...RENSSELAER COUNTIES AND TO THE SOUTH AND EAST
ACROSS THE REST OF OUR FORECAST AREA. HAVE STRONG TO SEVERE
CONVECTION OCCURRING ACROSS THE AREA WITH A CONCENTRATION OF
STORMS ACROSS THE EASTERN CATSKILLS AND ACROSS SOUTHERN VERMONT
AND THE BERKSHIRES AT THIS TIME 4 PM. STORMS ARE SLOW MOVING AND
BACKBUILDING AND PRODUCING HEAVY RAINFALL SO LOCALIZED FLOODING
HAS BEEN A PROBLEM. THERMODYNAMIC HAVE BEEN SUFFICIENT FOR SOME
HAIL AND WIND DAMAGE HOWEVER...DEEP LAYER MEAN FLOW IS WEAK SO
ORGANIZED SEVERE STORMS ARE NOT LIKELY.

CONVECTION DISSIPATE AS THE EVENING PROGRESS AND SKIES CLEAR OUT.
CONDITIONS WILL BE FAVORABLE FOR THE DEVELOPMENT OF RADIATION FOG
ESPECIALLY IN THE RIVER VALLEYS.

&&

.SHORT TERM /6 AM SATURDAY MORNING THROUGH SUNDAY NIGHT/...
UPPER LEVEL LOW WILL REMAIN IN THE VICINITY OF HUDSON BAY CANADA
THIS WEEKEND. SHORT WAVE ENERGY WILL MOVE INTO THE LONGWAVE TROUGH
DIGGING IT OVER THE GREAT LAKES/OHIO VALLEY REGION AND NORTHEASTERN
UNITED STATES.

ON SATURDAY WILL HAVE WEAK RIDGING AT THE SURFACE OVER THE REGION.
CAN NOT COMPLETELY RULE OUT THE CHANCE FOR A SHOWER OR THUNDERSTORM
DURING THE DAY WITH HEATING...OTHERWISE SUMMER TEMPERATURES WITH
HIGHS MAINLY IN THE LOWER TO MID 80S.

ON SUNDAY...WILL HAVE LARGE SCALE ASCENT ACROSS THE REGION AS THE
AMPLIFYING UPPER TROUGH APPROACHES. A STRONG COLD FRONT IS EXPECTED
TO CROSS THE REGION SUNDAY AND SUNDAY. MODEL GUIDANCE INDICATES A
WEAK LOW WILL DEVELOP OVER ALONG THE NEW YORK STATE CANADA BORDER
WHICH WILL SLOW THE PASSAGE OF THE FRONTAL BOUNDARY. HAVE INCREASE
POPS TO LIKELY. WIDESPREAD RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE
POSSIBLE. WILL BE HUMID WITH SEASONABLE TEMPERATURES.

&&

.LONG TERM /MONDAY THROUGH FRIDAY/...
LONGWAVE TROUGH WILL DOMINATE MUCH OF THE TIME. UPPER TROUGH AXIS
WILL SWING THROUGH MONDAY IN THE WAKE OF THE COLD FRONT SO CAN NOT
RULE OUT THE CHANCE FOR A SHOWER. WEAK RIDGING BUILDS IN AT THE
SURFACE AND ALOFT FOR TUESDAY...DRY WITH SLIGHTLY BELOW NORMAL
TEMPERATURES. HOWEVER...THE LONGWAVE TROUGH RETURNS MID WEEK AND
ANOTHER COLD FRONT APPROACHES AND CROSS THE REGION BY LATE IN THE
WEEK RETURNING THE THREAT FOR STORMS TO THE AREA.

&&

.AVIATION /20Z FRIDAY THROUGH WEDNESDAY/...
SEVERE THUNDERSTORM WATCH #791 IS IN EFFECT UNTIL 9 PM FOR
SCHOHARIE...ALBANY...RENSSELAER COUNTIES AND TO THE SOUTH AND EAST
ACROSS THE REST OF OUR FORECAST AREA. HAVE STRONG TO SEVERE
CONVECTION OCCURRING ACROSS THE AREA WITH A CONCENTRATION OF STORMS
ACROSS THE EASTERN CATSKILLS AND ACROSS SOUTHERN VERMONT AND THE
BERKSHIRES AT THIS TIME 4 PM. STORMS ARE SLOW MOVING AND
BACKBUILDING AND PRODUCING HEAVY RAINFALL SO LOCALIZED FLOODING HAS
BEEN A PROBLEM. THERMODYNAMIC HAVE BEEN SUFFICIENT FOR SOME HAIL AND
WIND DAMAGE HOWEVER...DEEP LAYER MEAN FLOW IS WEAK SO ORGANIZED
SEVERE STORMS ARE NOT LIKELY.

CONVECTION DISSIPATE AS THE EVENING PROGRESS AND SKIES CLEAR OUT.
CONDITIONS WILL BE FAVORABLE FOR MVFR-IFR RADIATION FOG TO DEVELOP
ESPECIALLY AT KGFL OVERNIGHT. FOG WILL BURN OFF EARLY SATURDAY
MORNING.

OUTLOOK...
SUN...VFR-MVFR WITH A CHC OF -SHRA/-TSRA.
MON...VFR. SLIGHT CHC -SHRA/-TSRA.
TUE-WED...VFR. NO SIG WX.

&&

.FIRE WEATHER...
A WEAK FRONTAL BOUNDARY MOVING INTO THE REGION WILL CONTINUE TO
TRIGGER SHOWERS AND THUNDERSTORMS ACROSS THE AREA INTO THIS
EVENING. OUTSIDE OF AN ISOLATED SHOWER OR THUNDERSTORM ON
SATURDAY...SEASONABLE WEATHER IS EXPECTED AS A NARROW RIDGE OF
HIGH PRESSURE MOVES ACROSS THE REGION. A STRONGER COLD FRONT IS
EXPECTED TO MOVE ACROSS THE REGION SUNDAY AND SUNDAY NIGHT WITH
ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS EXPECTED.

&&

.HYDROLOGY...
A SLOW MOVING COMPLEX OF THUNDERSTORMS IS CURRENTLY WORKING ITS WAY
ACROSS THE CWA...PRODUCING VERY HEAVY RAINFALL IN MANY LOCATIONS.
ADVISORY LEVEL SMALL STREAM AND POOR DRAINAGE RAINFALL IS FAIRLY
WIDESPREAD...WITH ISOLATED LOCATIONS EXPERIENCING FLASH FLOODING
FROM TRAINING AND BACKBUILDING THUNDERSTORMS. HEAVY RAINFALL THREAT
IS EXPECTED TO DIMINISH INTO THE EVENING HOURS.

SUNDAY AND SUNDAY EVENING...THE POSSIBILITY EXISTS FOR US TO PICK UP
ANOTHER WIDESPREAD INCH TO TWO INCHES OF RAIN...WILL MONITOR
FORECAST AMOUNTS AS THE SOIL SHOULD BE FAIRLY WET AREAWIDE AFTER
TODAYS ROUND OF CONVECTION.

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...IAA
NEAR TERM...IAA
SHORT TERM...IAA
LONG TERM...IAA
AVIATION...IAA
FIRE WEATHER...IAA
HYDROLOGY...WESTERGARD

Hazardous weather outlook, Aug 19, 1:18 PM EDT, 4 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
118 PM EDT FRI AUG 19 2011

CTZ001-013-MAZ001-025-NYZ040-047>049-051>054-058>061-063>066-201730-
NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN BERKSHIRE-
SOUTHERN BERKSHIRE-MONTGOMERY-SCHOHARIE-WESTERN SCHENECTADY-
EASTERN SCHENECTADY-WESTERN ALBANY-EASTERN ALBANY-WESTERN RENSSELAER-
EASTERN RENSSELAER-WESTERN GREENE-EASTERN GREENE-WESTERN COLUMBIA-
EASTERN COLUMBIA-WESTERN ULSTER-EASTERN ULSTER-WESTERN DUTCHESS-
EASTERN DUTCHESS-
118 PM EDT FRI AUG 19 2011

...SEVERE THUNDERSTORM WATCH 791 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWESTERN
CONNECTICUT...WESTERN MASSACHUSETTS AND EAST CENTRAL NEW YORK.

.DAY ONE...THIS AFTERNOON AND 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.

SEVERE THUNDERSTORMS ARE LIKELY THIS AFTERNOON. THESE STORMS ARE CAPABLE
OF PRODUCING HAIL STONES ONE INCH IN DIAMETER OR GREATER...AND
DAMAGING WINDS 58 MPH OR GREATER THIS AFTERNOON INTO THE EARLY
EVENING. THE THUNDERSTORMS WILL FORM AHEAD OF A COLD FRONT...AND
MOVE TO THE EAST AT 10 TO 20 MPH.

DUE TO THE SLOW MOVEMENT...THE CHANCE FOR ISOLATED HEAVY RAINFALL
AMOUNTS THAT COULD RESULT IN LOCALIZED PONDING OF WATER.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NYZ032-033-038-039-041>043-050-082>084-VTZ013>015-201730-
NORTHERN HERKIMER-HAMILTON-SOUTHERN HERKIMER-SOUTHERN FULTON-
NORTHERN SARATOGA-NORTHERN WARREN-NORTHERN WASHINGTON-
SOUTHERN SARATOGA-NORTHERN FULTON-SOUTHEAST WARREN-
SOUTHERN WASHINGTON-BENNINGTON-WESTERN WINDHAM-EASTERN WINDHAM-
118 PM EDT FRI AUG 19 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL NEW YORK AND
SOUTHERN VERMONT.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS CAPABLE OF
PRODUCING HAIL STONES ONE INCH IN DIAMETER OR GREATER...AND
DAMAGING WINDS 58 MPH OR GREATER THIS AFTERNOON INTO THE EARLY
EVENING. THE THUNDERSTORMS WILL FORM AHEAD OF A COLD FRONT...AND
MOVE TO THE EAST AT 10 TO 20 MPH.

DUE TO THE SLOW MOVEMENT...THE CHANCE FOR ISOLATED HEAVY RAINFALL
AMOUNTS THAT COULD RESULT IN LOCALIZED PONDING OF WATER.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Special weather statement, Aug 19, 4:29 PM EDT, 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
429 PM EDT FRI AUG 19 2011

VTZ013-014-192115-
BENNINGTON VT-WESTERN WINDHAM VT-
429 PM EDT FRI AUG 19 2011

...A STRONG THUNDERSTORM IN

  BENNINGTON COUNTY IN SOUTHERN VERMONT...
  WINDHAM COUNTY IN SOUTHERN VERMONT...

AT 426 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...WINDS
AROUND 50 MPH...FREQUENT LIGHTNING...AND HEAVY RAIN.  THIS STORM WAS
LOCATED NEAR SHAFTSBURY...OR ABOUT OVER ARLINGTON...AND MOVING
NORTHEAST AT 10 MPH.

THE THUNDERSTORM WILL BE NEAR...
ARLINGTON BY 435 PM EDT
STRATTON AND 7 MILES WEST OF WEST WARDSBORO BY 515 PM EDT

LAT...LON 4323 7290 4302 7274 4290 7318 4305 7326
TIME...MOT...LOC 2029Z 243DEG 8KT 4300 7312

TAW/VTK

Special weather statement, Aug 19, 4:41 PM EDT, 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
441 PM EDT FRI AUG 19 2011

MAZ001-192115-
NORTHERN BERKSHIRE MA-
441 PM EDT FRI AUG 19 2011

...A STRONG THUNDERSTORM IN

  BERKSHIRE COUNTY IN WESTERN MASSACHUSETTS...

AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...WINDS
AROUND 50 MPH...FREQUENT LIGHTNING...AND HEAVY RAIN.  THIS STORM WAS
LOCATED OVER EXTREME EAST CENTRAL BERKSHIRE COUNTY...OR ABOUT 13
MILES EAST OF PITTSFIELD...AND MOVING EAST AT 5 MPH.

THE THUNDERSTORM WILL BE NEAR...
RURAL EASTERN BERKSHIRE COUNTY AT 500 PM EDT

IN ADDITION TO LARGE HAIL AND STRONG WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND
EASTERN NEW YORK.

LAT...LON 4246 7299 4244 7299 4240 7300 4239 7305
      4241 7305 4251 7302 4254 7299 4253 7296
TIME...MOT...LOC 2041Z 254DEG 5KT 4247 7301

KGM/HWJIV

Special weather statement, Aug 19, 4:45 PM EDT, 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
445 PM EDT FRI AUG 19 2011

NYZ052>054-192115-
EASTERN ALBANY NY-EASTERN RENSSELAER NY-WESTERN RENSSELAER NY-
445 PM EDT FRI AUG 19 2011

...A STRONG THUNDERSTORM IN

  ALBANY COUNTY IN EAST CENTRAL NEW YORK...
  RENSSELAER COUNTY IN EAST CENTRAL NEW YORK...

AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...WINDS
AROUND 50 MPH...FREQUENT LIGHTNING...AND HEAVY RAIN.  THIS STORM WAS
LOCATED NEAR ALBANY AND MOVING NORTHEAST AT 10 MPH.

THE THUNDERSTORM WILL BE NEAR...
MENANDS BY 455 PM EDT
LATHAM BY 500 PM EDT
WATERVLIET BY 505 PM EDT
WYANTSKILL...WYNANTSKILL AND WEST SAND LAKE BY 510 PM EDT
TROY...GREEN ISLAND...CENTER BRUNSWICK AND 7 MILES NORTHWEST OF
AVERILL PARK BY 515 PM EDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND
EASTERN NEW YORK.

LAT...LON 4281 7353 4265 7348 4254 7379 4270 7391
TIME...MOT...LOC 2044Z 239DEG 9KT 4267 7374

TAW/VTK

Special weather statement, Aug 19, 4:58 PM EDT, 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
458 PM EDT FRI AUG 19 2011

NYZ063>066-192130-
WESTERN ULSTER NY-EASTERN ULSTER NY-WESTERN DUTCHESS NY-
EASTERN DUTCHESS NY-
458 PM EDT FRI AUG 19 2011

...A STRONG THUNDERSTORM IN

  ULSTER COUNTY IN EAST CENTRAL NEW YORK...
  DUTCHESS COUNTY IN EAST CENTRAL NEW YORK...

AT 453 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...FREQUENT
LIGHTNING...AND HEAVY RAIN.  THIS STORM WAS LOCATED NEAR
STAATSBURG...OR ABOUT 7 MILES SOUTH OF KINGSTON...AND MOVING
NORTHEAST AT 20 MPH.

THE THUNDERSTORM WILL BE NEAR...
PORT EWEN AND KINGSTON BY 505 PM EDT
RHINEBECK AND 8 MILES SOUTHEAST OF LAKE KATRINE BY 515 PM EDT
9 MILES NORTHWEST OF STANFORDVILLE BY 520 PM EDT
8 MILES WEST OF PINE PLAINS BY 530 PM EDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND
EASTERN NEW YORK.

LAT...LON 4158 7396 4158 7405 4160 7407 4161 7412
      4159 7412 4158 7412 4159 7419 4160 7425
      4163 7427 4200 7401 4197 7357 4157 7389
      4157 7397
TIME...MOT...LOC 2058Z 217DEG 18KT 4185 7394

KGM/HWJIV

Local storm report, Aug 19, 5:01 PM EDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
501 PM EDT FRI AUG 19 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0435 PM     TSTM WND DMG     1 SE NEW PALTZ          41.74N 74.07W
08/19/2011                   ULSTER             NY   911 CALL CENTER

            TREES DOWN ALONG MAIN STREET.

&&

ROKEEFE

Special weather statement, Aug 19, 5:12 PM EDT, 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
512 PM EDT FRI AUG 19 2011

MAZ001-025-192145-
SOUTHERN BERKSHIRE MA-NORTHERN BERKSHIRE MA-
512 PM EDT FRI AUG 19 2011

...A STRONG THUNDERSTORM IN

  BERKSHIRE COUNTY IN WESTERN MASSACHUSETTS...

AT 507 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...FREQUENT
LIGHTNING...AND HEAVY RAIN.  THIS STORM WAS LOCATED NEAR
PITTSFIELD...AND MOVING NORTHEAST AT 15 MPH.

THE THUNDERSTORM WILL BE NEAR...
CHESHIRE BY 535 PM EDT
SAVOY BY 545 PM EDT

LAT...LON 4255 7297 4249 7297 4239 7300 4237 7302
      4238 7306 4237 7307 4237 7340 4241 7339
      4258 7332 4265 7294
TIME...MOT...LOC 2111Z 247DEG 11KT 4250 7322

TAW/VTK

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 19, 3:17 PM EDT	Special Weather Statement	ALY	Berkshire	28 min
Aug 19, 4:01 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	44 min
Aug 19, 4:04 PM EDT	Special Weather Statement	ALY	Berkshire	26 min
Aug 19, 4:21 PM EDT	Areal Flood Advisory	ALY	Berkshire	3 hr
Aug 19, 4:41 PM EDT	Special Weather Statement	ALY	Berkshire	34 min
Aug 19, 5:12 PM EDT	Special Weather Statement	ALY	Berkshire	33 min
Aug 19, 5:53 PM EDT	Special Weather Statement	ALY	Berkshire	37 min
Aug 19, 6:18 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	41 min
Aug 19, 6:41 PM EDT	Special Weather Statement	ALY	Berkshire	34 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.