Alert archive / Rhode Island / Flash Flood Warnings in 2015
Flash Flood Warning 8, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Jul 27, 2015, 9:34 AM EDT for Newport County, Rhode Island; Bristol 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
- Jul 27, 2015, 9:34 AM EDT (13:34 UTC)
- Expired
- Jul 27, 2015, 12:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bristol County, MA, Newport County, RI
The radar
The Boston radar (KBOX), 43 km from the middle of the area, began a volume at 13:33 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 27, 11:12 AM EDT | FLOOD | Tiverton, RI | SIGNIFICANT ROAD FLOODING ON MAIN AND BUGERMASH RD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 1.6 hours before the alert went out and 98 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
- 636 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
215
WGUS51 KBOX 271334
FFWBOX
MAC005-RIC005-271630-
/O.NEW.KBOX.FF.W.0008.150727T1334Z-150727T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
934 AM EDT MON JUL 27 2015
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL BRISTOL COUNTY IN SOUTHEASTERN MASSACHUSETTS...
NORTHEASTERN NEWPORT COUNTY IN RHODE ISLAND...
* UNTIL 1230 PM EDT
* AT 931 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
VERY HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FALL RIVER...DARTMOUTH...PORTSMOUTH...MIDDLETOWN...TIVERTON...
WESTPORT AND LITTLE COMPTON.
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.
MOST FLOOD DEATHS OCCUR IN VEHICLES. TURN AROUND...DONT DROWN.
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 4150 7106 4153 7105 4156 7107 4152 7107
4155 7112 4152 7109 4152 7121 4163 7123
4162 7124 4153 7123 4153 7128 4162 7127
4164 7121 4167 7119 4167 7104 4150 7103
$$
THOMPSON2 follow-up statements
989
WGUS71 KBOX 271437
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1037 AM EDT MON JUL 27 2015
MAC005-RIC005-271630-
/O.CON.KBOX.FF.W.0008.000000T0000Z-150727T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BRISTOL MA-NEWPORT RI-
1037 AM EDT MON JUL 27 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 PM EDT FOR
SOUTH CENTRAL BRISTOL AND NORTHEASTERN NEWPORT COUNTIES...
AT 1040 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS MOST OF THE WARNED AREA WITH NEW THUNDERSTORMS
APPROACHING THE AREA. HEAVY RAINFALL EXCEEDING 2 INCHES PER HOUR IN
SOME LOCATIONS IS LIKELY THROUGH LATE MORNING IN THE MIDDLETOWN...
PORTSMOUTH AND TIVERTON AREAS OF SOUTHEAST RHODE ISLAND AS WELL AS
ACROSS PORTIONS OF FALL RIVER AND WESTPORT IN SOUTHEAST
MASSACHUSETTS.
FLASH FLOODING IS STILL LIKELY TO OCCUR IN THE WARNED AREA. THERE IS
A RISK OF FLOODED AND WASHED OUT ROADWAYS THAT MAY BECOME UNSAFE TO
PASS THROUGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN VEHICLES. TURN AROUND...DONT DROWN.
A FLASH FLOOD WARNING IS ISSUED FOR RAPID AND POTENTIALLY LIFE
THREATENING FLOODING. IN URBAN AREAS AVOID FLOODED ROADS AND OBEY
ROAD CLOSURES. THOSE NEAR SMALL STREAMS MUST HEAD FOR HIGHER GROUND
IMMEDIATELY.
&&
LAT...LON 4150 7106 4153 7105 4156 7107 4152 7107
4155 7112 4152 7109 4152 7121 4163 7123
4162 7124 4153 7123 4153 7128 4162 7127
4164 7121 4167 7119 4167 7104 4150 7103
$$
THOMPSON794
WGUS71 KBOX 271557
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1157 AM EDT MON JUL 27 2015
MAC005-RIC005-271605-
/O.CAN.KBOX.FF.W.0008.000000T0000Z-150727T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BRISTOL MA-NEWPORT RI-
1157 AM EDT MON JUL 27 2015
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL BRISTOL AND NORTHEASTERN
NEWPORT COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS TAPERED OFF...AND FLASH FLOODING IS NO LONGER
EXPECTED TO POSE A THREAT. DRIVERS SHOULD STILL USE
CAUTION...HOWEVER...AS SOME ROADWAYS MAY NEED SOME TIME FOR THE
WATER TO DRAIN.
LAT...LON 4150 7106 4153 7105 4156 7107 4152 7107
4155 7112 4152 7109 4152 7121 4163 7123
4162 7124 4153 7123 4153 7128 4162 7127
4164 7121 4167 7119 4167 7104 4150 7103
$$
THOMPSONThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 2:26 AM EDT | Special Weather Statement | BOX | Bristol | 49 min |
| Jul 27, 3:14 AM EDT | Special Weather Statement | BOX | Bristol | 61 min |
| Jul 27, 8:58 AM EDT | Special Weather Statement | BOX | Newport | 62 min |
| Jul 27, 11:18 AM EDT | Special Weather Statement | BOX | Bristol, Newport | 57 min |
| Jul 27, 12:53 AM EDT | Special Weather Statement | BOX | Suffolk | 37 min |
| Jul 27, 4:00 AM EDT | Special Weather Statement | BOX | Bristol, Plymouth | 60 min |
| Jul 27, 4:55 AM EDT | Special Weather Statement | BOX | Bristol | 65 min |
| Jul 27, 9:58 AM EDT | Special Marine Warning | BOX | 47 min | |
| Jul 27, 11:49 AM EDT | Special Weather Statement | BOX | Bristol | 56 min |
| Jul 27, 12:45 PM EDT | Special Weather Statement | BOX | Franklin | 60 min |
| Jul 27, 1:02 PM EDT | Special Weather Statement | BOX | Franklin | 58 min |
| Jul 27, 1:11 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 64 min |
| Jul 27, 1:13 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire | 3 hr |
| Jul 27, 1:57 PM EDT | Special Weather Statement | BOX | Franklin | 63 min |
| Jul 27, 2:29 PM EDT | Special Weather Statement | BOX | Middlesex | 61 min |
| Jul 27, 2:38 PM EDT | Special Weather Statement | BOX | Franklin | 67 min |
| Jul 27, 3:09 PM EDT | Flash Flood Warning | BOX | Franklin | 3 hr |
| Jul 27, 4:06 PM EDT | Special Weather Statement | BOX | Hampshire | 39 min |
| Jul 27, 4:25 PM EDT | Special Weather Statement | BOX | Middlesex | 50 min |
| Jul 27, 4:27 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire | 2 hr |
| Jul 27, 5:01 PM EDT | Special Weather Statement | BOX | Suffolk | 59 min |
| Jul 27, 6:10 PM EDT | Special Weather Statement | BOX | Hampden | 65 min |
| Jul 27, 6:15 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 46 min |
| Jul 27, 6:28 PM EDT | Special Weather Statement | BOX | Essex | 47 min |
| Jul 27, 6:33 PM EDT | Special Marine Warning | BOX | 57 min |
Nearby
Flash Flood Warnings in Rhode Island, 2015Flash Flood Warnings in Massachusetts, 2015Every flash flood warning in 2015
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.