Alert archive / Rhode Island / Flash Flood Warnings in 2017
Flash Flood Warning 7, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Jul 12, 2017, 4:26 PM EDT for Kent County, Providence County, Rhode Island; Northeastern Connecticut Planning Region, Connecticut. It was in force for 2 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
- Jul 12, 2017, 4:26 PM EDT (20:26 UTC)
- Expired
- Jul 12, 2017, 6:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Northeastern Connecticut Planning Region, CT, Kent County, RI, Providence County, RI
The radar
The Boston radar (KBOX), 84 km from the middle of the area, began a volume at 20:26 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 |
|---|---|---|---|
| Jul 12, 4:55 PM EDT | FLOOD | West Greenwich, RI | STREET FLOODING AT ROUTE 102 AND PLAIN MEETING HOUSE ROAD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.4 hours before the alert went out and 111 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
- 529 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 1143 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted.
604
WGUS51 KBOX 122026
FFWBOX
CTC013-015-RIC003-007-122230-
/O.NEW.KBOX.FF.W.0007.170712T2026Z-170712T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Taunton MA
426 PM EDT WED JUL 12 2017
The National Weather Service in Taunton has issued a
* Flash Flood Warning for...
Southern Windham County in northern Connecticut...
Southeastern Tolland County in northern Connecticut...
Southwestern Kent County in Rhode Island...
Southwestern Providence County in Rhode Island...
* Until 630 PM EDT
* At 424 PM EDT, Doppler radar indicated thunderstorms repeatedly
producing heavy rainfall within the warned area. Up to two inches
of rain have already fallen. Flash flooding is expected to begin
shortly. Small stream flooding is a risk, along with significant
ponding of water in urban and poor drainage areas.
* Some locations that will experience flooding include...
Mansfield, Windham, Plainfield, Willimantic, Killingly, Tolland,
Coventry, Griswold, Scituate, Hebron, Brooklyn, Lebanon, West
Greenwich, Columbia, Canterbury, Foster, Lisbon, Pomfret, Sterling
and Andover.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means that flooding will occur quickly, and
could be life threatening for those who try to drive through flooded
roads or underpasses. Find alternate routes. Those near small streams
need to get to higher ground immediately.
&&
LAT...LON 4160 7179 4164 7179 4163 7196 4166 7213
4166 7216 4171 7224 4169 7227 4167 7227
4165 7232 4163 7233 4163 7241 4184 7240
4179 7159 4160 7156
$$
NMBThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 10:15 AM EDT | Flash Flood Watch | BOX | Bristol, Kent, Newport, Providence, Washington | 11 hr |
| Jul 12, 12:34 PM EDT | Special Weather Statement | BOX | Bristol | 41 min |
| Jul 12, 2:32 PM EDT | Special Weather Statement | BOX | Providence | 43 min |
| Jul 12, 2:53 PM EDT | Flash Flood Warning | BOX | Providence | 112 min |
| Jul 12, 3:03 PM EDT | Special Weather Statement | BOX | Providence | 42 min |
| Jul 12, 3:10 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 50 min |
| Jul 12, 3:26 PM EDT | Flash Flood Warning | BOX | Bristol, Newport, Providence | 2 hr |
| Jul 12, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 35 min |
| Jul 12, 3:47 PM EDT | Areal Flood Advisory | BOX | Kent, Providence | 58 min |
| Jul 12, 4:26 PM EDT | Special Weather Statement | BOX | Kent | 49 min |
| Jul 12, 4:38 PM EDT | Severe Thunderstorm Warning | BOX | Kent, Washington | 31 min |
| Jul 12, 5:19 PM EDT | Areal Flood Advisory | BOX | Providence | 56 min |
| Jul 12, 5:21 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 35 min |
| Jul 12, 5:36 PM EDT | Flash Flood Warning | BOX | Providence | 114 min |
| Jul 12, 12:53 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 67 min |
| Jul 12, 1:07 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 53 min |
| Jul 12, 1:22 PM EDT | Severe Thunderstorm Warning | BOX | 38 min | |
| Jul 12, 1:57 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 41 min |
| Jul 12, 3:27 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 63 min |
| Jul 12, 5:01 PM EDT | Special Weather Statement | BOX | 44 min | |
| Jul 12, 5:43 PM EDT | Special Weather Statement | BOX | 47 min |
Nearby
Flash Flood Warnings in Rhode Island, 2017Flash Flood Warnings in Connecticut, 2017Every flash flood warning in 2017
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.