Alert archive / Connecticut / Flash Flood Warnings in 2014
Flash Flood Warning 3, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at May 17, 2014, 1:58 AM EDT for Capitol Planning Region, Connecticut; Hampden County, Massachusetts. It was in force for 3 hr. 1 report 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
- May 17, 2014, 1:58 AM EDT (05:58 UTC)
- Expired
- May 17, 2014, 5:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The Brookhaven radar (KOKX), 119 km from the middle of the area, began a volume at 05:57 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 |
|---|---|---|---|
| May 17, 2:48 AM EDT | FLASH FLOOD | Hartford, CT | SOUTH CHAPEL STREET CLOSED DUE TO FLOODING |
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, 6.0 hours before the alert went out and 118 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
- 77 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 402 m²/s²
- 0-3 km storm-relative helicity
- 538 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
510
WGUS51 KBOX 170558
FFWBOX
CTC003-MAC013-170900-
/O.NEW.KBOX.FF.W.0003.140517T0558Z-140517T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
158 AM EDT SAT MAY 17 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HARTFORD COUNTY IN NORTHERN CONNECTICUT...
SOUTHWESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 500 AM EDT
* AT 152 AM EDT...DOPPLER RADAR INDICATED A LINE OF HEAVY RAIN EXTENDING FROM
SOUTH OF LONG ISLAND UP ACROSS THE WARNED AREA. RAINFALL RATES OF ONE HALF
TO AN INCH AND A HALF PER HOUR ARE INDICATED BY RADAR. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SPRINGFIELD...HARTFORD...NEW BRITAIN...BRISTOL...
MANCHESTER...CHICOPEE...EAST HARTFORD...ENFIELD...SOUTHINGTON...
WESTFIELD...HOLYOKE...GLASTONBURY...NEWINGTON...WINDSOR...AGAWAM...
WEST SPRINGFIELD...WETHERSFIELD...SOUTH WINDSOR...FARMINGTON...
BERLIN...ROCKY HILL...AVON...PLAINVILLE...LONGMEADOW...SUFFIELD...
WINDSOR LOCKS AND GRANBY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RAPID AND POTENTIALLY LIFE THREATENING FLOODING OF SMALL STREAMS AND
ROADWAYS IS IMMINENT. HEAD TO HIGHER GROUND IMMEDIATELY. DO NOT DRIVE
THROUGH FLOODED ROADS. 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 4195 7290 4197 7289 4198 7290 4216 7290
4218 7261 4168 7255 4160 7290
$$
AEDNearby
Flash Flood Warnings in Connecticut, 2014Flash Flood Warnings in Massachusetts, 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.