Alert archive / Massachusetts / Flash Flood Warnings in 2013
Flash Flood Warning 57, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Sep 3, 2013, 8:06 PM EDT for Barnstable County, Massachusetts. It was in force for 114 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
- Sep 3, 2013, 8:06 PM EDT (00:06 UTC)
- Expired
- Sep 3, 2013, 10:00 PM EDT
- In force
- 114 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
County Barnstable County, MA
The radar
The Boston radar (KBOX), 87 km from the middle of the area, began a volume at 00:09 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
Chatham, MA (KCHH), launched 00:00Z, 0.1 hours before the alert went out and 34 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
- 421 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
008
WGUS51 KBOX 040006
FFWBOX
MAC001-040200-
/O.NEW.KBOX.FF.W.0057.130904T0006Z-130904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
806 PM EDT TUE SEP 3 2013
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN BARNSTABLE COUNTY IN SOUTHEAST MASSACHUSETTS...
* UNTIL 1000 PM EDT
* AT 806 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PROVINCETOWN...EASTHAM...WELLFLEET AND TRURO.
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.
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 4181 7000 4191 7000 4193 7002 4193 7007
4190 7007 4203 7009 4205 7012 4203 7018
4204 7016 4204 7022 4205 7022 4206 7009
4203 7004 4182 6994
$$
MD1 follow-up statement
067
WGUS71 KBOX 040156
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
956 PM EDT TUE SEP 3 2013
MAC001-040206-
/O.EXP.KBOX.FF.W.0057.000000T0000Z-130904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARNSTABLE MA-
956 PM EDT TUE SEP 3 2013
...THE FLASH FLOOD WARNING FOR NORTHEASTERN BARNSTABLE COUNTY WILL
EXPIRE AT 1000 PM EDT...
THE HEAVY RAIN HAS ENDED...HOWEVER SOME AREAS MAY TAKE SOME
ADDITIONAL TIME TO DRAIN. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES
AND WATCH FOR FLOODED AREAS.
LAT...LON 4181 7000 4191 7000 4193 7002 4193 7007
4190 7007 4203 7009 4205 7012 4203 7018
4204 7016 4204 7022 4205 7022 4206 7009
4203 7004 4182 6994
$$
MDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 8:03 PM EDT | Areal Flood Advisory | BOX | Barnstable | 117 min |
| Sep 3, 9:11 PM EDT | Special Marine Warning | BOX | 49 min |
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.