Alert archive / Connecticut / Flash Flood Warnings in 2014
Flash Flood Warning 34, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Aug 13, 2014, 8:17 AM EDT for Northeastern Connecticut Planning Region, Connecticut. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 13, 2014, 8:17 AM EDT (12:17 UTC)
- Expired
- Aug 13, 2014, 12:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
The radar
The Boston radar (KBOX), 84 km from the middle of the area, began a volume at 12:17 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
Brookhaven, NY (KOKX), launched 12:00Z, 0.3 hours before the alert went out and 116 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
- 8 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 473 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 534 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
441
WGUS51 KBOX 131217
FFWBOX
CTC015-131615-
/O.NEW.KBOX.FF.W.0034.140813T1217Z-140813T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
817 AM EDT WED AUG 13 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WINDHAM COUNTY IN NORTHERN CONNECTICUT...
* UNTIL 1215 PM EDT
* AT 815 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN ACROSS
THE SOUTHERN PORTION OF THE COUNTY. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MANSFIELD...WINDHAM...PLAINFIELD...WILLIMANTIC...KILLINGLY...
PUTNAM...BROOKLYN...WILLINGTON...CANTERBURY...ASHFORD...POMFRET...
STERLING...CHAPLIN...HAMPTON...EASTFORD AND SCOTLAND.
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 4165 7204 4166 7213 4166 7216 4172 7225
4173 7220 4174 7219 4175 7216 4183 7216
4184 7222 4189 7222 4187 7180 4164 7179
$$
FRANK2 follow-up statements
465
WGUS71 KBOX 131304
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
904 AM EDT WED AUG 13 2014
CTC015-131615-
/O.CON.KBOX.FF.W.0034.000000T0000Z-140813T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINDHAM CT-
904 AM EDT WED AUG 13 2014
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT FOR
WINDHAM COUNTY...
AT 900 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN CONTINUED TO FALL
ACROSS THE REGION. THE AREA OF GREATEST CONCERN IS ACROSS SOUTHEAST
WINDHAM COUNTY...WHERE DOPPLER RADAR INDICATES UP TO 3 INCHES OF
RAIN HAS ALREADY FALLEN. A WEATHER STATION IN CANTERBURY HAS
RECEIVED 2.71 INCHES SO FAR.
AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS EXPECTED ACROSS THE REGION.
FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING IS ISSUED FOR RAPID AND POTENTIALLY LIFE
THREATENING FLOODING. IN URBAN AREAS AVOID FLOODED ROADS AND OBEY
ROAD CLOSURES. THOSE NEAR SMALL STREAMS MUST HEAD FOR HIGHER GROUND
IMMEDIATELY.
&&
LAT...LON 4165 7204 4166 7213 4166 7216 4172 7225
4173 7220 4174 7219 4175 7216 4183 7216
4184 7222 4189 7222 4187 7180 4164 7179
$$
FRANK826
WGUS71 KBOX 131617
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1217 PM EDT WED AUG 13 2014
CTC015-131623-
/O.EXP.KBOX.FF.W.0034.000000T0000Z-140813T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINDHAM CT-
1217 PM EDT WED AUG 13 2014
...THE FLASH FLOOD WARNING FOR WINDHAM COUNTY WILL EXPIRE AT 1215 PM
EDT...
THE HEAVY RAIN THAT AFFECTED WINDHAM COUNTY EARLIER TODAY HAS
MOVED OUT OF THE AREA. SCATTERED LIGHT TO MODERATE RAIN SHOWERS
LINGER...BUT THE THREAT FOR FLASH FLOODING HAS SUBSIDED AT THIS
TIME. AS A RESULT...THE FLASH FLOOD WARNING FOR WINDHAM COUNTY IS
BEING ALLOWED TO EXPIRE.
A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 8 PM. THERE IS THE
POTENTIAL FOR ADDITIONAL HEAVY RAINS OVER THE COURSE OF THE
AFTERNOON.
LAT...LON 4165 7204 4166 7213 4166 7216 4172 7225
4173 7220 4174 7219 4175 7216 4183 7216
4184 7222 4189 7222 4187 7180 4164 7179
$$
NMBThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 5:38 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 52 min |
| Aug 13, 6:17 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 3 hr |
| Aug 13, 8:58 AM EDT | Areal Flood Advisory | BOX | Northeastern Connecticut Planning Region | 2 hr |
| Aug 13, 12:43 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 2 hr |
| Aug 13, 1:30 PM EDT | Flash Flood Warning | BOX | Capitol Planning Region | 4 hr |
Nearby
Flash 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.