Alert archive / Massachusetts / Flash Flood Warnings in 2014
Flash Flood Warning 32, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Aug 1, 2014, 4:25 PM EDT for Middlesex County, Worcester County, Massachusetts. It was in force for 2 hr. 5 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 1, 2014, 4:25 PM EDT (20:25 UTC)
- Expired
- Aug 1, 2014, 6:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Middlesex County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 47 km from the middle of the area, began a volume at 20:25 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 1, 5:04 PM EDT | FLASH FLOOD | Framingham, MA | CAR STUCK IN FLOOD WATERS AT CODY AND PAXTON ROAD... OCCUPANT TRAPPED AND REMOVED FROM VEHICLE |
| Aug 1, 5:05 PM EDT | FLASH FLOOD | Framingham, MA | CONCORD AND SCHOOL STREET INTERSECTION FLOODED AND IMPASSABLE |
| Aug 1, 5:05 PM EDT | FLASH FLOOD | Framingham, MA | RTE 9 WEST BOUND BY OAK QUEST AVE FLOODED |
| Aug 1, 5:35 PM EDT | FLASH FLOOD | Framingham, MA | QUEENS WAY FLOODED AND IMPASSABLE |
| Aug 1, 5:50 PM EDT | FLASH FLOOD | Framingham, MA | CARS AND TRUCK STUCK IN FLOOD WATERS AT CONCORD AND A STREET |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 8.4 hours before the alert went out and 138 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
- 1 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 1255 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
598
WGUS51 KBOX 012025
FFWBOX
MAC017-027-012230-
/O.NEW.KBOX.FF.W.0032.140801T2025Z-140801T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
425 PM EDT FRI AUG 1 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
SOUTH CENTRAL MIDDLESEX COUNTY IN NORTHEAST MASSACHUSETTS...
* UNTIL 630 PM EDT
* AT 424 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ALONG THE MASS PIKE FROM SOUTHBOROUGH TO FRAMINGHAM.
RAINFALL RATES UP TO 2 INCHES PER HOUR WILL CAUSE RAPID FLOODING
OF ROADS...UNDERPASSES AND OTHER POOR DRAINAGE AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEWTON...FRAMINGHAM...WALTHAM...MARLBOROUGH...NATICK...SUDBURY...
ASHLAND...HOPKINTON...WAYLAND...WESTON...SOUTHBOROUGH AND LINCOLN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RAPID AND POTENTIALLY LIFE THREATENING FLOODING OF STREETS AND
UNDERPASSES IS IMMINENT. DO NOT DRIVE THROUGH FLOODED ROADS AND FIND
ALTERNATE ROUTES.
&&
LAT...LON 4243 7128 4233 7125 4232 7133 4231 7133
4225 7153 4236 7156
$$
JWD4 follow-up statements
212
WGUS71 KBOX 012103
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
503 PM EDT FRI AUG 1 2014
MAC017-027-012230-
/O.CON.KBOX.FF.W.0032.000000T0000Z-140801T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WORCESTER MA-MIDDLESEX MA-
503 PM EDT FRI AUG 1 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
EASTERN WORCESTER AND SOUTH CENTRAL MIDDLESEX COUNTIES...
AT 502 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
TORRENTIAL RAINFALL FROM MARLBOROUGH TO FRAMINGHAM...SUDBURY AND
WAYLAND.
RADAR ESTIMATES AS MUCH AS 4 INCHES OF RAIN HAS FALLEN SO FAR.
ANOTHER 1 TO 2 INCHES OF RAIN WILL FALL THROUGH 630 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RAPID AND POTENTIALLY LIFE THREATENING FLOODING OF STREETS AND
UNDERPASSES IS IMMINENT. DO NOT DRIVE THROUGH FLOODED ROADS AND FIND
ALTERNATE ROUTES.
&&
LAT...LON 4243 7128 4233 7125 4232 7133 4231 7133
4225 7153 4236 7156
$$
JWD124
WGUS71 KBOX 012118
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
518 PM EDT FRI AUG 1 2014
MAC027-012126-
/O.CAN.KBOX.FF.W.0032.000000T0000Z-140801T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WORCESTER MA-
518 PM EDT FRI AUG 1 2014
...THE FLASH FLOOD WARNING FOR EASTERN WORCESTER COUNTY IS
CANCELLED...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.
&&
LAT...LON 4243 7128 4233 7125 4232 7133 4231 7133
4227 7146 4237 7151
$$
MAC017-012230-
/O.CON.KBOX.FF.W.0032.000000T0000Z-140801T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX MA-
518 PM EDT FRI AUG 1 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
SOUTH CENTRAL MIDDLESEX COUNTY...
AT 516 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
TORRENTIAL RAINFALL FROM FRAMINGHAM TO SUDBURY AND WAYLAND. RADAR
ESTIMATES AS MUCH AS 4 INCHES OF RAIN HAS FALLEN SO FAR...AND
ANOTHER ONE TO TWO INCHES CAN BE EXPECTED BY 630 PM.
SKYWARN AMATEUR RADIO OPERATORS REPORTED A CAR STUCK IN FLOOD WATERS
IN FRAMINGHAM ON CODY AND PAXTON ROADS. FLOODING WAS ALSO REPORTED
ON PARTS OF ROUTE 9 IN FRAMINGHAM.
DO NOT DRIVE THROUGH FLOODED ROADS!
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RAPID AND POTENTIALLY LIFE THREATENING FLOODING OF STREETS AND
UNDERPASSES IS OCCURRING. DO NOT DRIVE THROUGH FLOODED ROADS AND
FIND ALTERNATE ROUTES.
&&
LAT...LON 4243 7128 4233 7125 4232 7133 4231 7133
4227 7146 4237 7151
$$
JWD335
WGUS71 KBOX 012203
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
603 PM EDT FRI AUG 1 2014
MAC017-012230-
/O.CON.KBOX.FF.W.0032.000000T0000Z-140801T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX MA-
603 PM EDT FRI AUG 1 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
SOUTH CENTRAL MIDDLESEX COUNTY...
AT 602 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN NEAR SUDBURY AND WAYLAND. RAIN HAS ENDED FARTHER SOUTH
NEAR FRAMINGHAM.
RAINFALL WILL SLOWLY SUBSIDE THROUGH THIS EVENING...BUT CONTINUE TO
REMAIN ALERT FOR FLOODED ROADS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RAPID AND POTENTIALLY LIFE THREATENING FLOODING OF STREETS AND
UNDERPASSES IS IMMINENT. DO NOT DRIVE THROUGH FLOODED ROADS AND FIND
ALTERNATE ROUTES.
&&
LAT...LON 4243 7128 4233 7125 4232 7133 4231 7133
4227 7146 4237 7151
$$
JWD975
WGUS71 KBOX 012228
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
628 PM EDT FRI AUG 1 2014
MAC017-012237-
/O.EXP.KBOX.FF.W.0032.000000T0000Z-140801T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX MA-
628 PM EDT FRI AUG 1 2014
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL MIDDLESEX COUNTY WILL
EXPIRE AT 630 PM EDT...
THE HEAVIEST RAIN HAS ENDED...ALTHOUGH SHOWERS CONTINUE TO MOVE
THROUGH SUDBURY AND WAYLAND AT 625 PM. THESE WILL DIMINISH BY 730
PM.
NO ADDITIONAL FLOODING IS EXPECTED. DRIVERS SHOULD STAY AWAY FROM
FLOODED AREAS AND OBEY ANY ROAD CLOSURES.
&&
LAT...LON 4243 7128 4233 7125 4232 7133 4231 7133
4227 7146 4237 7151
$$
JWDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 12:57 PM EDT | Special Weather Statement | BOX | Hampshire | 48 min |
| Aug 1, 1:30 PM EDT | Special Weather Statement | BOX | Hampshire | 45 min |
| Aug 1, 2:24 PM EDT | Areal Flood Advisory | BOX | Franklin, Worcester | 2 hr |
| Aug 1, 3:46 PM EDT | Special Weather Statement | BOX | Middlesex | 44 min |
| Aug 1, 3:55 PM EDT | Areal Flood Advisory | BOX | Middlesex | 2 hr |
| Aug 1, 4:29 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 29 min |
| Aug 1, 4:55 PM EDT | Special Weather Statement | BOX | Essex | 65 min |
| Aug 1, 5:00 PM EDT | Special Marine Warning | BOX | 2 hr | |
| Aug 1, 5:08 PM EDT | Special Weather Statement | BOX | Hampden | 52 min |
| Aug 1, 5:26 PM EDT | Special Weather Statement | BOX | Essex | 64 min |
| Aug 1, 5:37 PM EDT | Areal Flood Advisory | BOX | Essex | 53 min |
| Aug 1, 5:50 PM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 55 min |
| Aug 1, 5:51 PM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 54 min |
| Aug 1, 6:02 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire | 3 hr |
| Aug 1, 6:26 PM EDT | Special Weather Statement | BOX | Hampden | 49 min |
| Aug 1, 6:40 PM EDT | Flash Flood Warning | BOX | Middlesex | 2 hr |
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.