Alert archive / Massachusetts / Flash Flood Warnings in 2014
Flash Flood Warning 21, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Jul 15, 2014, 9:56 PM EDT for Franklin County, Massachusetts; Cheshire County, New Hampshire. It was in force for 3 hr. 2 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
- Jul 15, 2014, 9:56 PM EDT (01:56 UTC)
- Expired
- Jul 16, 2014, 1:00 AM EDT
- In force
- 3 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), 133 km from the middle of the area, began a volume at 01:58 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 |
|---|---|---|---|
| Jul 15, 11:04 PM EDT | FLASH FLOOD | Winchester, NH | ROUTE 119 BY THE COVERED BRIDGE FLOODED OUT |
| Jul 15, 11:37 PM EDT | FLASH FLOOD | Winchester, NH | ROUTE 119 BY COVERED BRIDGE CLOSED DUE TO FLOODING... ONE SIDE OF ROAD PARTIALLY WASHED OUT. OLD WESTPORT ROAD FLOODING INTO RESIDENCE. |
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 00:00Z, 1.9 hours before the alert went out and 113 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
- 504 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
274
WGUS51 KBOX 160156
FFWBOX
MAC011-NHC005-160500-
/O.NEW.KBOX.FF.W.0021.140716T0156Z-140716T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
956 PM EDT TUE JUL 15 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
SOUTHWESTERN CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE...
* UNTIL 100 AM EDT
* AT 954 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN ARE
ESTIMATED TO HAVE ALREADY FALLEN ACROSS THE WARNED AREA. FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GREENFIELD...SWANZEY...WINCHESTER...HINSDALE...CHESTERFIELD...
NORTHFIELD...MARLBOROUGH...TROY...BERNARDSTON...GILL...RICHMOND...
WARWICK...LEYDEN AND SOUTH VERNON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RAPID AND POTENTIALLY LIFE THREATENING FLOODING OF SMALL STREAMS AND
ROADWAYS IS IMMINENT. HEAD TO HIGHER GROUND IMMEDIATELY...ESPECIALLY
AS FLOODING IS DIFFICULT TO SEE AT NIGHT. DO NOT DRIVE THROUGH
FLOODED ROADS. FIND ALTERNATE ROUTES. 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 MUST HEAD FOR HIGHER GROUND
IMMEDIATELY.
&&
LAT...LON 4290 7218 4263 7242 4263 7262 4273 7261
4273 7246 4276 7247 4277 7249 4277 7252
4278 7251 4281 7255 4291 7241
$$
SIPPRELLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 8:48 PM EDT | Special Weather Statement | BOX | Franklin | 57 min |
| Jul 15, 10:29 PM EDT | Special Weather Statement | BOX | Worcester | 46 min |
| Jul 15, 11:14 PM EDT | Special Weather Statement | BOX | Middlesex | 61 min |
| Jul 15, 11:49 PM EDT | Special Weather Statement | BOX | Bristol, Plymouth | 56 min |
| Jul 15, 11:51 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 3 hr |
| Jul 16, 12:31 AM EDT | Special Weather Statement | BOX | Bristol, Plymouth | 59 min |
| Jul 16, 12:55 AM EDT | Special Marine Warning | BOX | 65 min | |
| Jul 16, 4:33 AM EDT | Special Weather Statement | BOX | Dukes | 57 min |
| Jul 16, 4:44 AM EDT | Areal Flood Advisory | BOX | Barnstable, Bristol, Dukes, Plymouth | 2 hr |
| Jul 16, 7:38 AM EDT | Flash Flood Warning | BOX | Bristol | 3 hr |
| Jul 16, 8:32 AM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 118 min |
| Jul 16, 9:23 AM EDT | Special Weather Statement | BOX | Essex, Norfolk, Suffolk | 52 min |
| Jul 16, 10:30 AM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 4 hr |
| Jul 16, 2:09 PM EDT | Special Weather Statement | BOX | Essex, Norfolk, Suffolk | 81 min |
| Jul 16, 2:32 PM EDT | Flash Flood Warning | BOX | Essex, Middlesex | 3 hr |
| Jul 16, 2:46 PM EDT | Special Weather Statement | BOX | Essex, Suffolk | 59 min |
| Jul 16, 2:49 PM EDT | Flash Flood Warning | BOX | Essex, Middlesex, Suffolk | 3 hr |
| Jul 16, 3:35 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 24 hr | |
| Jul 15, 8:21 PM EDT | Special Weather Statement | BOX | Cheshire | 39 min |
| Jul 15, 10:20 PM EDT | Flash Flood Warning | BOX | Cheshire, Hillsborough | 3 hr |
Nearby
Flash Flood Warnings in Massachusetts, 2014Flash Flood Warnings in New Hampshire, 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.