Alert archive / Massachusetts / Flash Flood Warnings in 2013
Flash Flood Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at May 23, 2013, 2:01 PM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 23, 2013, 2:01 PM EDT (18:01 UTC)
- Expired
- May 23, 2013, 4:00 PM EDT
- In force
- 119 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 102 km from the middle of the area, began a volume at 18:02 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.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.0 hours before the alert went out and 86 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
- 24 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 1246 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
415
WGUS51 KBOX 231801
FFWBOX
MAC011-013-015-232000-
/O.NEW.KBOX.FF.W.0001.130523T1801Z-130523T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
201 PM EDT THU MAY 23 2013
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
CENTRAL AND WESTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 400 PM EDT
* AT 158 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN WITHIN THE WARNED AREA. RADAR INDICATES RAINFALL RATES
OF UP TO ONE INCH IN 15 MINUTES. AS A RESULT...FLASH FLOODING IS
EXPECTED IN THE WARNED AREA. URBAN AREAS WILL BE PARTICULARLY AT
RISK.
* SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
GREENFIELD...HUNTINGTON...WILLIAMSBURG...CHESTERFIELD...
WESTHAMPTON...GOSHEN...LEYDEN...DEERFIELD...EAST WINDSOR...
BERNARDSTON...WARWICK...MIDDLEFIELD...CHESTER...BUCKLAND...
COLRAIN...HAWLEY...WORTHINGTON...SHELBURNE...ASHFIELD...HEATH...
CUMMINGTON...CHARLEMONT...PLAINFIELD...SUNDERLAND...CONWAY...
WHATELY...NORTHFIELD...GILL...MONTAGUE AND ERVING.
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.
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 4238 7301 4239 7301 4261 7296 4274 7289
4272 7228 4268 7227 4266 7223 4219 7287
4227 7300 4231 7300 4231 7303 4233 7306
4238 7307
$$
NMBThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 10:12 AM EDT | Small Craft Advisory | BOX | 12 hr | |
| May 23, 1:29 PM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 2 hr |
| May 23, 3:20 PM EDT | Areal Flood Advisory | BOX | Hampden | 115 min |
| May 23, 5:00 PM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire, Worcester | 2 hr |
| May 23, 6:03 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.