Alert archive / Massachusetts / Flash Flood Warnings in 2013
Flash Flood Warning 8, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Jun 18, 2013, 2:46 PM EDT for 5 counties in Massachusetts. It was in force for 3 hr. 1 report 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 18, 2013, 2:46 PM EDT (18:46 UTC)
- Expired
- Jun 18, 2013, 5:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 38 km from the middle of the area, began a volume at 18:46 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 18, 3:15 PM EDT | FLASH FLOOD | Framingham, MA | ROUTE 9 CLOSED AT THE ROUTE 126 UNDERPASS 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
Chatham, MA (KCHH), launched 12:00Z, 6.8 hours before the alert went out and 109 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
- 21 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 1306 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
249
WGUS51 KBOX 181846
FFWBOX
MAC017-021-023-025-027-182145-
/O.NEW.KBOX.FF.W.0008.130618T1846Z-130618T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
246 PM EDT TUE JUN 18 2013
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS...
SUFFOLK COUNTY IN EASTERN MASSACHUSETTS...
CENTRAL NORFOLK COUNTY IN EASTERN MASSACHUSETTS...
NORTH CENTRAL PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS...
EASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
* UNTIL 545 PM EDT
* AT 241 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY. TRAINED SPOTTERS HAVE REPORTED THESE STORMS CAN
DROP 1.25 INCHES OF RAIN WITHIN 30 MINUTES. AREAS PRONE TO FLASH
FLOODING INCLUDE ROUTE 9 FROM METRO WEST INTO BOSTON.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOSTON...QUINCY...NEWTON...FRAMINGHAM...BROOKLINE...WEYMOUTH...
MILFORD...WESTON...MARLBOROUGH...BRAINTREE...WATERTOWN...
RANDOLPH...NEEDHAM...WESTWOOD...NORWOOD...WELLESLEY...MILTON...
DEDHAM...HULL...NATICK...WAYLAND...SUDBURY...MEDFIELD...CANTON...
HINGHAM...SCITUATE...COHASSET...NORWELL...SHERBORN AND HOLLISTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE THROUGH FLOODED
ROADS. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE
FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE
ROAD. TURN AROUND...DONT DROWN.
A FLASH FLOOD WARNING IS ISSUED FOR RAPID AND POTENTIALLY LIFE
THREATENING FLOODING. IN URBAN AREAS AVOID FLOODED ROADWAYS AND OBEY
ROAD CLOSURES. THOSE LIVING ALONG STREAMS AND CREEKS SHOULD MOVE TO
HIGHER GROUND IMMEDIATELY TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 4216 7073 4213 7162 4238 7159 4237 7100
4235 7103 4234 7104 4235 7095 4233 7105
4230 7105 4233 7095 4229 7102 4228 7102
4231 7096 4227 7096 4225 7096 4229 7094
4233 7094 4230 7089 4226 7085 4220 7071
$$
DUNTEN3 follow-up statements
962
WGUS71 KBOX 181921
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
321 PM EDT TUE JUN 18 2013
MAC017-021-023-025-027-182145-
/O.CON.KBOX.FF.W.0008.000000T0000Z-130618T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX MA-SUFFOLK MA-NORFOLK MA-PLYMOUTH MA-WORCESTER MA-
321 PM EDT TUE JUN 18 2013
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR
SOUTHERN MIDDLESEX...SUFFOLK...CENTRAL NORFOLK...NORTH CENTRAL
PLYMOUTH AND EASTERN WORCESTER COUNTIES...
AT 319 PM EDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS
PRODUCING HEAVY RAIN IN FRAMINGHAM WITH A PORTION OF ROUTE 9 CLOSED
IN FRAMINGHAM. FLASH FLOODING IS OCCURRING OR IS EXPECTED TO BEGIN
SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOSTON...QUINCY...NEWTON...FRAMINGHAM...BROOKLINE...WEYMOUTH...
MILFORD...WESTON...MARLBOROUGH...BRAINTREE...WATERTOWN...RANDOLPH...
NEEDHAM...WESTWOOD...NORWOOD...WELLESLEY...MILTON...DEDHAM...HULL...
NATICK...WAYLAND...SUDBURY...MEDFIELD...CANTON...HINGHAM...
SCITUATE...COHASSET...NORWELL...SHERBORN AND HOLLISTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL WILL CAUSE RAPID FLOODING OF SMALL STREAMS...STREETS
AND UNDERPASSES...INCLUDING LOW LYING AND POOR DRAINAGE AREAS. DO
NOT DRIVE THROUGH FLOODED ROADS.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE THROUGH FLOODED
ROADS. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE
FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE
ROAD. TURN AROUND...DONT DROWN.
&&
LAT...LON 4216 7073 4213 7162 4238 7159 4237 7100
4235 7103 4234 7104 4235 7095 4233 7105
4230 7105 4233 7095 4229 7102 4228 7102
4231 7096 4227 7096 4225 7096 4229 7094
4233 7094 4230 7089 4226 7085 4220 7071
$$
DUNTEN009
WGUS71 KBOX 182002
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
402 PM EDT TUE JUN 18 2013
MAC017-021-023-025-027-182145-
/O.CON.KBOX.FF.W.0008.000000T0000Z-130618T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX MA-SUFFOLK MA-NORFOLK MA-PLYMOUTH MA-WORCESTER MA-
402 PM EDT TUE JUN 18 2013
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR
SOUTHERN MIDDLESEX...SUFFOLK...CENTRAL NORFOLK...NORTH CENTRAL
PLYMOUTH AND EASTERN WORCESTER COUNTIES...
AT 358 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCED HEAVY
RAIN ACROSS THE WARNED AREA. REPORTS OF FLOODING ACROSS ROADWAYS IN
FRAMINGHAM HAVE BEEN REPORTED.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOSTON...QUINCY...NEWTON...FRAMINGHAM...BROOKLINE...WEYMOUTH...
MILFORD...WESTON...MARLBOROUGH...BRAINTREE...WATERTOWN...RANDOLPH...
NEEDHAM...WESTWOOD...NORWOOD...WELLESLEY...MILTON...DEDHAM...HULL...
NATICK...WAYLAND...SUDBURY...MEDFIELD...CANTON...HINGHAM...
SCITUATE...COHASSET...NORWELL...SHERBORN AND HOLLISTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF(TRUE)
HEAVY RAINFALL WILL CAUSE RAPID FLOODING OF SMALL STREAMS...STREETS
AND UNDERPASSES...INCLUDING LOW LYING AND POOR DRAINAGE AREAS. DO NOT
DRIVE THROUGH FLOODED ROADS.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE THROUGH FLOODED
ROADS. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE
FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE
ROAD. TURN AROUND...DONT DROWN.
&&
LAT...LON 4216 7073 4213 7162 4238 7159 4237 7100
4235 7103 4234 7104 4235 7095 4233 7105
4230 7105 4233 7095 4229 7102 4228 7102
4231 7096 4227 7096 4225 7096 4229 7094
4233 7094 4230 7089 4226 7085 4220 7071
$$
DUNTEN133
WGUS71 KBOX 182139
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
539 PM EDT TUE JUN 18 2013
MAC017-021-023-025-027-182148-
/O.EXP.KBOX.FF.W.0008.000000T0000Z-130618T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX MA-SUFFOLK MA-NORFOLK MA-PLYMOUTH MA-WORCESTER MA-
539 PM EDT TUE JUN 18 2013
...THE FLASH FLOOD WARNING FOR SOUTHERN MIDDLESEX...SUFFOLK...CENTRAL
NORFOLK...NORTH CENTRAL PLYMOUTH AND EASTERN WORCESTER COUNTIES WILL
EXPIRE AT 545 PM EDT...
THE HEAVY RAIN HAS ENDED. FLASH FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. HOWEVER...DRIVERS SHOULD CONTINUE TO BE ALERT FOR
FLOODED ROADWAYS. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS.
&&
LAT...LON 4216 7073 4213 7162 4238 7159 4237 7100
4235 7103 4234 7104 4235 7095 4233 7105
4230 7105 4233 7095 4229 7102 4228 7102
4231 7096 4227 7096 4225 7096 4229 7094
4233 7094 4230 7089 4226 7085 4220 7071
LAT...LON 4216 7073 4213 7162 4238 7159 4237 7100
4235 7103 4234 7104 4235 7095 4233 7105
4230 7105 4233 7095 4229 7102 4228 7102
4231 7096 4227 7096 4225 7096 4229 7094
4233 7094 4230 7089 4226 7085 4220 7071
$$
JWDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 12:53 PM EDT | Special Weather Statement | BOX | Hampden, Hampshire, Middlesex, Worcester | 82 min |
| Jun 18, 1:23 PM EDT | Special Weather Statement | BOX | Worcester | 52 min |
| Jun 18, 1:44 PM EDT | Areal Flood Warning | BOX | Middlesex, Worcester | 3 hr |
| Jun 18, 1:47 PM EDT | Flash Flood Watch | BOX | Bristol, Hampden, Norfolk, Plymouth, Suffolk, Worcester | 7 hr |
| Jun 18, 1:47 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 58 min |
| Jun 18, 1:55 PM EDT | Special Weather Statement | BOX | Hampden | 50 min |
| Jun 18, 2:00 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 60 min |
| Jun 18, 2:17 PM EDT | Flash Flood Warning | BOX | Worcester | 3 hr |
| Jun 18, 2:58 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Worcester | 47 min |
| Jun 18, 3:43 PM EDT | Flash Flood Warning | BOX | Norfolk, Worcester | 3 hr |
| Jun 18, 4:16 PM EDT | Special Weather Statement | BOX | Norfolk | 44 min |
| Jun 18, 4:58 PM EDT | Special Weather Statement | BOX | Bristol | 62 min |
| Jun 18, 5:23 PM EDT | Small Craft Advisory | BOX | 18 hr | |
| Jun 18, 6:45 PM EDT | River Flood Warning | BOX | Middlesex | 8 hr |
Nearby
Flash Flood Warnings in Massachusetts, 2013Every flash flood warning in 2013
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.