Alert archive / New Hampshire / Flash Flood Warnings in 2014

Flash Flood Warning 7, NWS Boston/Norton, MA

June 25, 2014Cheshire County, New Hampshire; Franklin County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Jun 25, 2014, 8:21 PM EDT for Cheshire County, New Hampshire; Franklin County, Massachusetts. It was in force for 6 hr. 18 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: Jun 25, 2014, 8:21 PM EDT (00:21 UTC)
Expired: Jun 26, 2014, 2:03 AM EDT
In force: 6 hr
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: None

Counties Franklin County, MA, Cheshire County, NH

The radar

The Albany radar (KENX), 132 km from the middle of the area, began a volume at 00:22 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
Jun 25, 8:45 PM EDT	FLASH FLOOD	Keene, NH	FLOODED IMPASSABLE ROADS AT ROXBURY STREET... COLONIAL DRIVE AND OLD WALPOLE ROAD
Jun 25, 8:59 PM EDT	FLASH FLOOD	Keene, NH	PORTIONS OF ROXBURY STREET CLOSED DUE TO FLOODING
Jun 25, 10:23 PM EDT	FLASH FLOOD	Colrain, MA	MAIN ROAD NEAR THE TOWN COMMON AT INTERSECTION OF ROUTE 112 AND JACKSONVILLE ROAD FLOODED AND IMPASSABLE
Jun 25, 10:52 PM EDT	FLASH FLOOD	Greenfield, MA	ARCH STREET FLOODED UNDER THE BRIDGE WITH CAR STUCK
Jun 25, 10:52 PM EDT	FLASH FLOOD	Greenfield, MA	PORTION OF HIGH STREET ROUTE 2A FLOODED AND IMPASSABLE
Jun 25, 11:00 PM EDT	FLASH FLOOD	Colrain, MA	FIRE DEPARTMENT UNIT REPORTS SECTION OF NORTH GREEN RIVER ROAD WASHED OUT AND IMPASSABLE
Jun 25, 11:08 PM EDT	FLASH FLOOD	Greenfield, MA	PORTIONS OF ELM STREET AND FORBES COURT FLOODED AND IMPASSABLE...ALSO TWO HOMES ON FORBES COURT FLOODED
Jun 25, 11:10 PM EDT	FLASH FLOOD	Greenfield, MA	ROUTE 2A NEAR THE STOP AND SHOP FLOODED UP TO 4 FEET OF WATER AND CLOSED
Jun 25, 11:17 PM EDT	FLASH FLOOD	Colrain, MA	FIRE DEPARTMENT CLOSING NORTHERN PORTION OF NORTH GREEN RIVER ROAD TO THE VERMONT BORDER DUE TO EARLIER WASHOUT
Jun 25, 11:27 PM EDT	FLASH FLOOD	Greenfield, MA	CHAPMAN STREET AND RIVERSIDE DRIVE NEAR THE GREEN RIVER BOTH FLOODED AND IMPASSABLE...APARTMENT BUILDING ON RIVERSIDE DRIVE ALSO FLOODED
Jun 25, 11:31 PM EDT	FLASH FLOOD	Colrain, MA	GREENFIELD ROAD CLOSED DUE TO FLOODING
Jun 25, 11:52 PM EDT	FLASH FLOOD	Gill, MA	FLOODED BASEMENT UP TO 8 INCHES OF WATER IN A HOME ON WALNUT STREET
Jun 25, 11:58 PM EDT	FLASH FLOOD	Colrain, MA	TWO TREES DOWN ON WIRES ON SOUTH GREEN RIVER ROAD DUE TO SATURATED GROUND AND FLOODING
Jun 26, 12:08 AM EDT	FLASH FLOOD	Greenfield, MA	NORTH STREET FLOODED AND IMPASSABLE
Jun 26, 12:11 AM EDT	FLASH FLOOD	Greenfield, MA	SANDERSTOWN STREET NEAR HIGH STREET CLOSED DUE TO FLOODING...CAR STUCK IN FLOOD WATERS
Jun 26, 12:27 AM EDT	FLASH FLOOD	Colrain, MA	TREES DOWN ON ROAD DUE TO EROSION OF ROADWAY IN SOUTH GREEN RIVER AND NELSON ROADS...ONE LARGE ROCK BLOCKING ROADWAY
Jun 26, 12:36 AM EDT	FLASH FLOOD	Greenfield, MA	ROBBINS ROAD NEAR THE MOHAWK TRAIL ROUTE 2 FLOODED...DOWN TO ONE LANE OPEN
Jun 26, 1:00 AM EDT	FLASH FLOOD	Greenfield, MA	CAR STUCK IN FLOOD WATERS ON NASHS MILL ROAD...CLEARED BY 106 AM. ROAD CLOSED...IMPASSABLE DUE TO FLOODING.

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

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 0.4 hours before the alert went out and 212 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: 166 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 117 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.

389 
WGUS51 KBOX 260021
FFWBOX
MAC011-NHC005-260215-
/O.NEW.KBOX.FF.W.0007.140626T0021Z-140626T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
821 PM EDT WED JUN 25 2014

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
  WESTERN CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE...

* UNTIL 1015 PM EDT

* AT 820 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KEENE...GREENFIELD...DEERFIELD...MONTAGUE...SWANZEY...WINCHESTER...
  HINSDALE...WALPOLE...CHESTERFIELD...NORTHFIELD...MARLBOROUGH...
  BERNARDSTON...ALSTEAD...BUCKLAND...CONWAY...SHELBURNE...
  WESTMORELAND...ASHFIELD...COLRAIN...GILL...WHATELY...CHARLEMONT...
  STODDARD...RICHMOND...GILSUM...WARWICK...MARLOW...SURRY...NELSON
  AND LEYDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING IS ISSUED FOR RAPID AND POTENTIALLY LIFE
THREATENING FLOODING. IN URBAN AREAS AVOID FLOODED ROADS AND OBEY
ROAD CLOSURES. THOSE NEAR SMALL STREAMS MUST HEAD FOR HIGHER GROUND
IMMEDIATELY.

&&

LAT...LON 4311 7206 4243 7264 4257 7295 4274 7281
      4273 7246 4277 7249 4277 7252 4288 7256
      4292 7252 4295 7254 4300 7245 4305 7247
      4308 7244 4313 7244

$$

NOCERA

4 follow-up statements

006 
WGUS51 KBOX 260209
FFWBOX
MAC011-NHC005-260415-
/O.EXT.KBOX.FF.W.0007.000000T0000Z-140626T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1009 PM EDT WED JUN 25 2014

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
  WESTERN CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE...

* UNTIL 1215 AM EDT

* AT 1007 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO FOUR INCHES OF RAIN HAVE 
  ALREADY FALLEN ACROSS NORTHWEST FRANKLIN AND WESTERN CHESHIRE 
  COUNTY. ADDITIONAL RAINFALL WILL CONTINUE THE THREAT FOR FLASH 
  FLOODING UNTIL ABOUT MIDNIGHT.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KEENE...GREENFIELD...DEERFIELD...MONTAGUE...SWANZEY...WINCHESTER...
  HINSDALE...WALPOLE...CHESTERFIELD...NORTHFIELD...MARLBOROUGH...
  BERNARDSTON...ALSTEAD...BUCKLAND...CONWAY...SHELBURNE...
  WESTMORELAND...ASHFIELD...COLRAIN...GILL...WHATELY...CHARLEMONT...
  STODDARD...RICHMOND...GILSUM...WARWICK...MARLOW...SURRY...NELSON
  AND LEYDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 4311 7206 4243 7264 4257 7295 4274 7281
      4273 7246 4277 7249 4277 7252 4288 7256
      4292 7252 4295 7254 4300 7245 4305 7247
      4308 7244 4313 7244

$$

NOCERA

825 
WGUS71 KBOX 260257
FFSBOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1057 PM EDT WED JUN 25 2014

MAC011-NHC005-260415-
/O.CON.KBOX.FF.W.0007.000000T0000Z-140626T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN MA-CHESHIRE NH-
1057 PM EDT WED JUN 25 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR
NORTHWESTERN FRANKLIN AND WESTERN CHESHIRE COUNTIES...

AT 1050 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN CONTINUING  
ACROSS THE WARNED AREA WITH FLASH FLOODING IN PROGRESS.  SOME 
LOCATIONS HAVE ALREADY RECEIVED 3 TO 4 INCHES OF RAIN.  AN 
ADDITIONAL 1 TO 3 INCHES OF RAIN WILL OCCUR IN THE WARNED AREA OVER 
THE NEXT HOUR OR TWO. 

FLASH FLOODING IS ALREADY OCCURRING...ESPECIALLY IN THE COLRAIN 
AREA.  THERE ARE ALSO REPORTS OF FLASH FLOODING OCCURRING IN 
GREENFIELD MA AND KEENE NH.  TURN AROUND DO NOT DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS DIFFICULT TO SEE AT NIGHT. HEAD TO HIGHER GROUND
IMMEDIATELY AND DO NOT DRIVE THROUGH FLOODED ROADS. FIND ALTERNATE
ROUTES.

&&

LAT...LON 4311 7206 4243 7264 4257 7295 4274 7281
      4273 7246 4277 7249 4277 7252 4288 7256
      4292 7252 4295 7254 4300 7245 4305 7247
      4308 7244 4313 7244

$$

FRANK

391 
WGUS51 KBOX 260353
FFWBOX
MAC011-NHC005-260715-
/O.EXT.KBOX.FF.W.0007.000000T0000Z-140626T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1153 PM EDT WED JUN 25 2014

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
  WESTERN CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE...

* UNTIL 315 AM EDT

* AT 1149 PM EDT...DOPPLER RADAR CONTINUED TO INDICATE HEAVY RAIN 
  ACROSS THE WARNED AREA. RAINFALL AMOUNTS HAVE ALREADY EXCEEDED 4 
  INCHES AT BOTH COLRAIN AND GREENFIELD MA.  SIGNIFICANT FLASH 
  FLOODING IS ON GOING IN THOSE TWO TOWNS AND TRAVEL IS HIGHLY 
  DISCOURAGED OVERNIGHT!  ADDITIONAL FLASH FLOODING IS EXPECTED 
  ACROSS THE WARNED AREA WITH ANOTHER 1 TO 2 INCHES OF RAIN EXPECTED 
  TO FALL OVER THE NEXT FEW HOURS.  TURN AROUND DO NOT DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS DIFFICULT TO SEE AT NIGHT. HEAD TO HIGHER GROUND
IMMEDIATELY AND DO NOT DRIVE THROUGH FLOODED ROADS. FIND ALTERNATE
ROUTES.

&&

LAT...LON 4311 7206 4243 7264 4257 7295 4274 7281
      4273 7246 4277 7249 4277 7252 4288 7256
      4292 7252 4295 7254 4300 7245 4305 7247
      4308 7244 4313 7244

$$

FRANK

973 
WGUS71 KBOX 260603
FFSBOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
203 AM EDT THU JUN 26 2014

MAC011-NHC005-260612-
/O.CAN.KBOX.FF.W.0007.000000T0000Z-140626T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN MA-CHESHIRE NH-
203 AM EDT THU JUN 26 2014

...THE FLASH FLOOD WARNING FOR NORTHWESTERN FRANKLIN AND WESTERN
CHESHIRE COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND NO ADDITIONAL FLOODING IS EXPECTED. 
PLEASE CONTINUE TO HEED ALL ROAD CLOSURES FROM THE EARLIER HEAVY 
RAIN AND FLOODING.

LAT...LON 4311 7206 4243 7264 4257 7295 4274 7281
      4273 7246 4277 7249 4277 7252 4288 7256
      4292 7252 4295 7254 4300 7245 4305 7247
      4308 7244 4313 7244

$$

FRANK

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 8:12 PM EDT	Special Weather Statement	BOX	Hillsborough	48 min
Jun 25, 9:12 PM EDT	Flash Flood Warning	BOX	Cheshire, Hillsborough	5 hr
Jun 25, 10:12 PM EDT	Areal Flood Advisory	BOX	Cheshire	2 hr
Jun 26, 12:14 AM EDT	Areal Flood Advisory	BOX	Cheshire, Hillsborough	2 hr
Jun 26, 1:56 AM EDT	Areal Flood Advisory	BOX	Hillsborough	2 hr
Jun 25, 10:03 PM EDT	Areal Flood Advisory	BOX	Hampshire	117 min
Jun 25, 11:12 PM EDT	Areal Flood Advisory	BOX	Franklin	2 hr
Jun 25, 11:31 PM EDT	Areal Flood Advisory	BOX	Hampden, Hampshire	119 min
Jun 26, 3:39 AM EDT	Areal Flood Advisory	BOX	Essex, Middlesex, Norfolk, Suffolk	66 min
Jun 26, 4:03 AM EDT	Flash Flood Warning	BOX	Essex	117 min
Jun 26, 4:28 AM EDT	Small Craft Advisory	BOX		11 hr
Jun 26, 3:39 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		12 hr
Jun 26, 5:49 PM EDT	Areal Flood Advisory	BOX	Bristol	56 min

Nearby

Flash Flood Warnings in New Hampshire, 2014 Flash Flood Warnings in Massachusetts, 2014 Every flash flood warning in 2014

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.