Alert archive / Massachusetts / Flash Flood Warnings in 2014
Flash Flood Warning 39, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Aug 13, 2014, 1:59 PM EDT for Franklin County, Hampshire County, Massachusetts. It was in force for 4 hr. 4 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 13, 2014, 1:59 PM EDT (17:59 UTC)
- Expired
- Aug 13, 2014, 6:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Franklin County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 107 km from the middle of the area, began a volume at 17:59 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 13, 2:09 PM EDT | FLASH FLOOD | Deerfield, MA | PORTIONS OF WAPPING ROAD CLOSED DUE TO FLOODING |
| Aug 13, 2:23 PM EDT | FLASH FLOOD | Greenfield, MA | ARCH STREET CLOSED DUE TO FLOODING |
| Aug 13, 2:47 PM EDT | FLASH FLOOD | Gill, MA | BASEMENT FLOODED WITH 1 FOOT OF WATER ON WALNUT STREET |
| Aug 13, 2:50 PM EDT | FLASH FLOOD | Northampton, MA | ELM STREET FROM THE HIGH SCHOOL THROUGH NONOTUCK STREET 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
Albany, NY (KALY), launched 12:00Z, 6.0 hours before the alert went out and 91 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 723 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
919
WGUS51 KBOX 131759
FFWBOX
MAC011-015-132200-
/O.NEW.KBOX.FF.W.0039.140813T1759Z-140813T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
159 PM EDT WED AUG 13 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 600 PM EDT
* AT 158 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
VERY HEAVY RAIN ACROSS THE WARNED AREA. RAINFALL OF UP TO 2 INCHES
PER HOUR IS EXPECTED WITH THE THUNDERSTORMS. AS A RESULT...FLASH
FLOODING IS EXPECTED.
* THERE IS A RISK FOR URBAN...POOR DRAINAGE AND SMALL STREAM FLASH
FLOODING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AMHERST...NORTHAMPTON...GREENFIELD...ORANGE...DEERFIELD...
BELCHERTOWN...MONTAGUE...HADLEY...SUNDERLAND...HATFIELD...
NORTHFIELD...WILLIAMSBURG...HUNTINGTON...BERNARDSTON...BUCKLAND...
CONWAY...SHELBURNE...LEVERETT...ERVING...SHUTESBURY...ASHFIELD...
COLRAIN...WESTHAMPTON...GILL...WHATELY...CHESTER...PELHAM...
CHARLEMONT...CHESTERFIELD AND WORTHINGTON.
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 4273 7270 4272 7229 4233 7235 4232 7288
4233 7288 4233 7289 4234 7290 4234 7294
4235 7295 4232 7299
$$
NMB2 follow-up statements
563
WGUS71 KBOX 131935
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
335 PM EDT WED AUG 13 2014
MAC011-015-132200-
/O.CON.KBOX.FF.W.0039.000000T0000Z-140813T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAMPSHIRE MA-FRANKLIN MA-
335 PM EDT WED AUG 13 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
CENTRAL HAMPSHIRE AND FRANKLIN COUNTIES...
AT 327 PM EDT...DOPPLER RADAR INDICATED THAT THE MAIN BAND OF HEAVY
RAIN WITHIN THE WARNING AREA HAD MOVED EAST OF I-91. THIS
PRECIPITATION WAS MOVING GRADUALLY EASTWARD. UP TO AN ADDITIONAL
HALF INCH OF RAIN IS POSSIBLE THROUGH 430 PM FROM AMHERST AND
LEVERETT NORTHWARD TO NORTHFIELD.
SOME SMALL STREAMS IN THE AREA ARE RISING SHARPLY...AND SMALL STREAM
FLOODING IS POSSIBLE THROUGH LATE THIS AFTERNOON. ANY URBAN AND POOR
DRAINAGE FLOODING EAST OF I-91 MAY BE EXACERBATED BY ONGOING
RAINFALL. ALONG AND WEST OF I-91 IN NORTHERN MASSACHUSETTS...ANY
STANDING WATER FROM POOR DRAINAGE FLOODING SHOULD START TO GRADUALLY
RECEDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING IS ISSUED FOR RAPID AND POTENTIALLY LIFE
THREATENING FLOODING. IN URBAN AREAS AVOID FLOODED ROADS AND OBEY
ROAD CLOSURES. THOSE NEAR SMALL STREAMS SHOULD MONITOR CONDITIONS
AND HEAD HIGHER GROUND IMMEDIATELY IF FLOODWATERS ENCROACH.
&&
LAT...LON 4273 7270 4272 7229 4233 7235 4232 7288
4233 7288 4233 7289 4234 7290 4234 7294
4235 7295 4232 7299
$$
NMB427
WGUS71 KBOX 132158
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
558 PM EDT WED AUG 13 2014
MAC011-015-132201-
/O.EXP.KBOX.FF.W.0039.000000T0000Z-140813T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAMPSHIRE MA-FRANKLIN MA-
558 PM EDT WED AUG 13 2014
...THE FLASH FLOOD WARNING FOR CENTRAL HAMPSHIRE AND FRANKLIN
COUNTIES WILL EXPIRE AT 600 PM EDT...
ACROSS THE GREATER GREENFIELD AND DEERFIELD AREA IN NORTHWEST
MASSACHUSETTS...THE WIDESPREAD RAIN HAS COME TO AN END. ISOLATED
SHOWERS ARE POSSIBLE INTO EARLY THIS EVENING...BUT THIS IS NOT
EXPECTED TO CREATE ANY RENEWED FLOODING IN THE AREA. IN URBAN AREAS
SOME STANDING WATER MAY REMAIN...AND THE WATER IS EXPECTED TO
GRADUALLY RECEDE DURING EARLY THIS EVENING.
STREAMS AND SMALL RIVERS HAVE GENERALLY CRESTED OR ARE IN
CREST...THIS INCLUDES THE GREEN RIVER AT COLRAIN AND THE NORTH RIVER
AT SHATTUCKVILLE WHICH CRESTED BELOW FLOOD STAGE...AND THE MILL
RIVER AT NORTHAMPTON WHICH CRESTED AROUND ITS 11 FOOT FLOOD STAGE
LATE THIS AFTERNOON. THESE STREAMS AND SMALL RIVERS ARE EXPECTED TO
GRADUALLY RECEDE OVER THE NEXT FEW HOURS. LARGER RIVERS WILL
EXPERIENCE FURTHER RISES...BUT ARE EXPECTED TO REMAIN WITHIN THEIR
BANKS.
SINCE THE THREAT OF FLASH FLOODING HAS SUBSIDED...THE FLASH FLOOD
WARNING IS BEING ALLOWED TO EXPIRE. OBEY ANY ROAD CLOSURES DUE TO
LINGERING FLOODWATERS. DO NOT CROSS AREAS WHERE WATER COVERS THE
ROAD.
LAT...LON 4273 7270 4272 7229 4233 7235 4232 7288
4233 7288 4233 7289 4234 7290 4234 7294
4235 7295 4232 7299
$$
NMBThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:58 AM EDT | Areal Flood Advisory | BOX | Worcester | 2 hr |
| Aug 13, 10:33 AM EDT | Coastal Flood Advisory | BOX | Barnstable, Essex, Nantucket, Norfolk, Plymouth, Suffolk | 5 hr |
| Aug 13, 10:59 AM EDT | Areal Flood Advisory | BOX | Bristol, Middlesex, Norfolk, Worcester | 4 hr |
| Aug 13, 11:24 AM EDT | Flash Flood Warning | BOX | Bristol, Norfolk, Worcester | 4 hr |
| Aug 13, 12:43 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire | 2 hr |
| Aug 13, 1:30 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire | 4 hr |
| Aug 13, 3:46 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire, Middlesex, Worcester | 4 hr |
| Aug 13, 4:23 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 32 min |
| Aug 13, 4:28 PM EDT | Special Marine Warning | BOX | 62 min | |
| Aug 13, 5:00 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 4 hr |
| Aug 13, 6:16 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex | 119 min |
Nearby
Flash Flood Warnings in Massachusetts, 2014Every 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.