Alert archive / Massachusetts / Flash Flood Warnings in 2014
Flash Flood Warning 5, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at May 23, 2014, 8:22 PM EDT for Hampden County, Massachusetts. It was in force for 113 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, 2014, 8:22 PM EDT (00:22 UTC)
- Expired
- May 23, 2014, 10:15 PM EDT
- In force
- 113 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
County Hampden County, MA
The radar
The Boston radar (KBOX), 110 km from the middle of the area, began a volume at 00:25 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 00:00Z, 0.4 hours before the alert went out and 140 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
502
WGUS51 KBOX 240022
FFWBOX
CTC013-MAC013-240215-
/O.NEW.KBOX.FF.W.0005.140524T0022Z-140524T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
822 PM EDT FRI MAY 23 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN TOLLAND COUNTY IN NORTHERN CONNECTICUT...
SOUTHEASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 1015 PM EDT
* AT 820 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO 1.50 INCHES OF RAIN HAS
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
VERNON...MANSFIELD...EAST LONGMEADOW...ELLINGTON...
TOLLAND...WILBRAHAM...COVENTRY...STAFFORD...SOMERS...
WILLINGTON...COLUMBIA...HAMPDEN...BOLTON AND ANDOVER.
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 4211 7253 4209 7233 4171 7225 4173 7246
4181 7247 4181 7250 4194 7251 4195 7249
4203 7251 4203 7252
$$
FRANK1 follow-up statement
826
WGUS71 KBOX 240049
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
849 PM EDT FRI MAY 23 2014
CTC013-MAC013-240215-
/O.CON.KBOX.FF.W.0005.000000T0000Z-140524T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TOLLAND CT-HAMPDEN MA-
849 PM EDT FRI MAY 23 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR
NORTHWESTERN TOLLAND AND SOUTHEASTERN HAMPDEN COUNTIES...
AT 846 PM EDT...DOPPLER RADAR INDICATED SHOWERS AND EMBEDDED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
THREE INCHES OF RAIN HAVE ALREADY FALLEN JUST EAST OF BOLTON AND
NORTH OF ANDOVER IN CONNECTICUT. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY...PARTICULARLY EAST OF BOLTON AND NORTH OF ANDOVER IN
CONNECTICUT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING IS ISSUED FOR RAPID AND POTENTIALLY LIFE
THREATENING FLOODING. IN URBAN AREAS AVOID FLOODED ROADS AND OBEY
ROAD CLOSURES. THOSE NEAR SMALL STREAMS MUST HEAD FOR HIGHER GROUND
IMMEDIATELY.
&&
LAT...LON 4211 7253 4209 7233 4171 7225 4173 7246
4181 7247 4181 7250 4194 7251 4195 7249
4203 7251 4203 7252
$$
FRANKThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 9:28 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire | 2 hr |
| May 23, 10:14 PM EDT | Areal Flood Advisory | BOX | Hampden | 2 hr |
| May 24, 5:41 PM EDT | Special Weather Statement | BOX | Franklin | 49 min |
Nearby
Flash Flood Warnings in Massachusetts, 2014Flash Flood Warnings in Connecticut, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.