Alert archive / Massachusetts / Flash Flood Warnings in 2014

Flash Flood Warning 9, NWS Boston/Norton, MA

June 26, 2014Essex County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Jun 26, 2014, 4:03 AM EDT for Essex County, Massachusetts. It was in force for 117 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: Jun 26, 2014, 4:03 AM EDT (08:03 UTC)
Expired: Jun 26, 2014, 6:00 AM EDT
In force: 117 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: None

County Essex County, MA

The radar

The Boston radar (KBOX), 80 km from the middle of the area, began a volume at 08:04 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, 8.1 hours before the alert went out and 126 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 863 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

510 
WGUS51 KBOX 260803
FFWBOX
MAC009-261000-
/O.NEW.KBOX.FF.W.0009.140626T0803Z-140626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
403 AM EDT THU JUN 26 2014

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ESSEX COUNTY IN NORTHEAST MASSACHUSETTS...

* UNTIL 600 AM EDT

* AT 400 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE 
  WARNED AREA.  DOPPLER RADAR IS ESTIMATING THAT 1 TO 2 INCHES OF 
  RAIN HAS ALREADY FALLEN AND HEAVY RAIN IS EXPECTED TO CONTINUE FOR 
  AT LEAST THE NEXT HOUR.  FLASH FLOODING IS EXPECTED TO BEGIN 
  SHORTLY...PARTICULARLY IN PEABODY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LYNN...PEABODY...SALEM...BEVERLY...GLOUCESTER...SAUGUS...DANVERS...
  WAKEFIELD...MARBLEHEAD...NORTH READING...SWAMPSCOTT...IPSWICH...
  LYNNFIELD...MIDDLETON...BOXFORD...HAMILTON...ROCKPORT...NEWBURY...
  TOPSFIELD...ROWLEY...MANCHESTER...WENHAM AND ESSEX.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4270 7077 4270 7078 4277 7081 4270 7083
      4267 7075 4266 7075 4265 7076 4269 7064
      4266 7059 4258 7066 4261 7066 4253 7078
      4256 7079 4253 7090 4251 7082 4246 7089
      4249 7105 4261 7106 4278 7081

$$

FRANK

1 follow-up statement

843 
WGUS71 KBOX 260924
FFSBOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
524 AM EDT THU JUN 26 2014

MAC009-260932-
/O.CAN.KBOX.FF.W.0009.000000T0000Z-140626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ESSEX MA-
524 AM EDT THU JUN 26 2014

...THE FLASH FLOOD WARNING FOR CENTRAL ESSEX COUNTY IS CANCELLED...

THE HEAVIEST RAIN HAS ENDED AND ADDITIONAL FLOODING IS NOT EXPECTED. 
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
 

LAT...LON 4270 7077 4270 7078 4277 7081 4270 7083
      4267 7075 4266 7075 4265 7076 4269 7064
      4266 7059 4258 7066 4261 7066 4253 7078
      4256 7079 4253 7090 4251 7082 4246 7089
      4249 7105 4261 7106 4278 7081

$$

FRANK

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 8:21 PM EDT	Flash Flood Warning	BOX	Franklin	6 hr
Jun 25, 10:03 PM EDT	Areal Flood Advisory	BOX	Hampshire	117 min
Jun 25, 11:12 PM EDT	Areal Flood Advisory	BOX	Franklin	2 hr
Jun 25, 11:31 PM EDT	Areal Flood Advisory	BOX	Hampden, Hampshire	119 min
Jun 26, 12:14 AM EDT	Areal Flood Advisory	BOX	Middlesex, Worcester	2 hr
Jun 26, 1:56 AM EDT	Areal Flood Advisory	BOX	Essex, Middlesex, Worcester	2 hr
Jun 26, 3:39 AM EDT	Areal Flood Advisory	BOX	Essex, Middlesex, Norfolk, Suffolk	66 min
Jun 26, 4:28 AM EDT	Small Craft Advisory	BOX		11 hr
Jun 26, 3:39 PM EDT	Small Craft Advisory for Hazardous Seas	BOX		12 hr
Jun 26, 5:49 PM EDT	Areal Flood Advisory	BOX	Bristol	56 min

Nearby

Flash Flood Warnings in Massachusetts, 2014 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.