Alert archive / Massachusetts / Flash Flood Warnings in 2014
Flash Flood Warning 38, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Aug 13, 2014, 1:30 PM EDT for Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut. It was in force for 4 hr. 6 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, 1:30 PM EDT (17:30 UTC)
- Expired
- Aug 13, 2014, 5:30 PM EDT
- In force
- 4 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Capitol Planning Region, CT, Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 109 km from the middle of the area, began a volume at 17:30 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, 1:30 PM EDT | FLASH FLOOD | West Springfield, MA | ROUTE 5 SOUTH...AT LEAST 6 INCHES OF WATER COVERING ROAD. CAR FLOATING INSIDE WEST CENTRAL TUNNEL ON ROUTE 5 SOUTH. ROUTE 5 AND ELM STREET FLOODED. |
| Aug 13, 2:20 PM EDT | FLASH FLOOD | Springfield, MA | 6 TO 12 INCHES OF WATER UNDER THE RAILROAD OVERPASS AT DWIGHT STREET |
| Aug 13, 2:39 PM EDT | FLASH FLOOD | Springfield, MA | EAST COLUMBUS AVENUE UNDERPASS FLOODED AND IMPASSABLE |
| Aug 13, 2:40 PM EDT | FLASH FLOOD | Westhampton, MA | MUDDY RIVER FLOWING OVER LOW SECTION OF SOUTH ROAD RT 66 |
| Aug 13, 2:45 PM EDT | FLASH FLOOD | Chicopee, MA | BROADWAY STREET AND SAINT JAMES AVENUE FLOODED AND IMPASSABLE |
| 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, 5.5 hours before the alert went out and 100 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.
025
WGUS51 KBOX 131730
FFWBOX
CTC003-013-MAC013-015-132130-
/O.NEW.KBOX.FF.W.0038.140813T1730Z-140813T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
130 PM EDT WED AUG 13 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN TOLLAND COUNTY IN NORTHERN CONNECTICUT...
NORTHERN HARTFORD COUNTY IN NORTHERN CONNECTICUT...
HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
SOUTHWESTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 530 PM EDT
* AT 126 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN...WITH THE HEAVIEST RAIN AS OF 126 PM IN THE EAST
SLOPES OF THE BERKSHIRES FROM CHESTER TO TOLLAND MA. RAINFALL
RATES OF UP TO 1 TO 2 INCHES PER HOUR ARE POSSIBLE IN THE WARNING
AREA INTO MID AFTERNOON. URBAN AND POOR DRAINAGE FLASH
FLOODING...AS WELL AS SMALL STREAM FLASH FLOODING...ARE THREATS.
FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SPRINGFIELD...CHICOPEE...ENFIELD...WESTFIELD...HOLYOKE...AMHERST...
WINDSOR...NORTHAMPTON...AGAWAM...WEST SPRINGFIELD...SOUTH
WINDSOR...SIMSBURY...LUDLOW...BLOOMFIELD...AVON...SOUTH HADLEY...
EASTHAMPTON...LONGMEADOW...SUFFIELD...EAST LONGMEADOW...
BELCHERTOWN...WILBRAHAM...WINDSOR LOCKS...PALMER...SOMERS...EAST
WINDSOR...CANTON...SOUTHWICK...MONSON AND GRANBY.
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.
&&
LAT...LON 4215 7303 4227 7300 4231 7300 4231 7303
4232 7303 4234 7248 4213 7234 4181 7263
4181 7295 4189 7294 4190 7291 4197 7289
4197 7303 4204 7301 4204 7306 4209 7307
4215 7307
$$
NMB2 follow-up statements
556
WGUS71 KBOX 131924
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
324 PM EDT WED AUG 13 2014
CTC003-013-MAC013-015-132130-
/O.CON.KBOX.FF.W.0038.000000T0000Z-140813T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TOLLAND CT-HARTFORD CT-HAMPDEN MA-HAMPSHIRE MA-
324 PM EDT WED AUG 13 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
NORTHWESTERN TOLLAND...NORTHERN HARTFORD...HAMPDEN AND SOUTHWESTERN
HAMPSHIRE COUNTIES...
AT 322 PM EDT...DOPPLER RADAR INDICATED THAT POCKETS OF HEAVY RAIN
LINGERED OVER AND EAST OF THE I-91 CORRIDOR. THIS PRECIPITATION WAS
GRADUALLY MOVING EASTWARD. UP TO AN ADDITIONAL HALF INCH OF RAIN MAY
OCCUR THROUGH 430 PM.
PORTIONS OF THE WARNING AREA RECEIVED SUBSTANTIAL RAINS. AN
OBSERVER IN WESTHAMPTON MASSACHUSETTS REPORTED 3.10 INCHES OF
RAINFALL IN 2 HOURS. SOME SMALL STREAMS IN THE AREA ARE RISING
SHARPLY...AND SMALL STREAM FLOODING IS POSSIBLE THROUGH LATE THIS
AFTERNOON. ANY URBAN AND POOR DRAINAGE FLOODING ALONG AND EAST OF
I-91 MAY BE EXACERBATED BY ONGOING RAINFALL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN VEHICLES. TURN AROUND...DONT DROWN.
A FLASH FLOOD WARNING IS ISSUED FOR RAPID AND POTENTIALLY LIFE
THREATENING FLOODING. IN URBAN AREAS AVOID FLOODED ROADS AND OBEY
ROAD CLOSURES. THOSE NEAR SMALL STREAMS SHOULD HEAD FOR HIGHER
GROUND IMMEDIATELY SHOULD FLOODWATERS APPROACH.
&&
LAT...LON 4215 7303 4227 7300 4231 7300 4231 7303
4232 7303 4234 7248 4213 7234 4181 7263
4181 7295 4189 7294 4190 7291 4197 7289
4197 7303 4204 7301 4204 7306 4209 7307
4215 7307
$$
NMB403
WGUS71 KBOX 132130
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
530 PM EDT WED AUG 13 2014
CTC003-013-MAC013-015-132133-
/O.EXP.KBOX.FF.W.0038.000000T0000Z-140813T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TOLLAND CT-HARTFORD CT-HAMPDEN MA-HAMPSHIRE MA-
530 PM EDT WED AUG 13 2014
...THE FLASH FLOOD WARNING FOR NORTHWESTERN TOLLAND...NORTHERN
HARTFORD...HAMPDEN AND SOUTHWESTERN HAMPSHIRE COUNTIES WILL EXPIRE AT
530 PM EDT...
ACROSS THE GREATER SPRINGFIELD AREA SOUTHWARD INTO NORTH CENTRAL
CONNECTICUT...THE WIDESPREAD RAIN HAS COME TO AN END. SCATTERED
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 IS EXPECTED TO GRADUALLY RECEDE
DURING EARLY THIS EVENING.
SMALL STREAMS HAVE GENERALLY CRESTED OR ARE IN CREST...THIS INCLUDES
THE MILL RIVER AT NORTHAMPTON WHICH HAS CRESTED NEAR ITS 11 FOOT
FLOOD STAGE. 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.
LAT...LON 4215 7303 4227 7300 4231 7300 4231 7303
4232 7303 4234 7248 4213 7234 4181 7263
4181 7295 4189 7294 4190 7291 4197 7289
4197 7303 4204 7301 4204 7306 4209 7307
4215 7307
$$
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, 1:59 PM EDT | Flash Flood Warning | BOX | Franklin, 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 |
| Aug 13, 5:38 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 52 min |
| Aug 13, 6:17 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 3 hr |
| Aug 13, 8:17 AM EDT | Flash Flood Warning | BOX | Northeastern Connecticut Planning Region | 4 hr |
Nearby
Flash Flood Warnings in Massachusetts, 2014Flash Flood Warnings in Connecticut, 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.