Alert archive / Rhode Island / Flash Flood Warnings in 2008

Flash Flood Warning 3, NWS Boston/Norton, MA

June 24, 2008Kent County, Washington County, Rhode Island

NWS Boston/Norton, MA issued this flash flood warning at Jun 24, 2008, 2:26 PM EDT for Kent County, Washington County, Rhode Island. It was in force for 94 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
Jun 24, 2008, 2:26 PM EDT (18:26 UTC)
Expired
Jun 24, 2008, 4:00 PM EDT
In force
94 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Flood severity
None

Counties Kent County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 52 km from the middle of the area, began a volume at 18:28 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

Chatham, MA (KCHH), launched 12:00Z, 6.4 hours before the alert went out and 134 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.

Skew-T log-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 2008-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 228 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2008-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
228 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KBOX 241826
FFWBOX
RIC003-009-242000-
/O.NEW.KBOX.FF.W.0003.080624T1826Z-080624T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
226 PM EDT TUE JUN 24 2008

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN KENT COUNTY IN RHODE ISLAND...
  NORTHEASTERN WASHINGTON COUNTY IN RHODE ISLAND...

* UNTIL 400 PM EDT

* AT 223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SLOW-MOVING THUNDERSTORM PRODUCING TORRENTIAL RAINFALL OVER
  THE WARNED AREA. RAINFALL RATES OF OVER 2 INCHES PER HOUR ARE
  STILL POSSIBLE THROUGH AT LEAST 330 PM.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST
  WARWICK...WEST GREENWICH AND EAST GREENWICH

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 4167 7169 4172 7145 4156 7145 4154 7166
TIME...MOT...LOC 1826Z 180DEG 0KT 4163 7165

$$
MEKSTER
1 follow-up statement
000 
WGUS71 KBOX 242001
FFSBOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
401 PM EDT TUE JUN 24 2008

RIC003-009-242011-
/O.EXP.KBOX.FF.W.0003.000000T0000Z-080624T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON RI-KENT RI-
401 PM EDT TUE JUN 24 2008

...THE FLASH FLOOD WARNING HAS EXPIRED FOR EASTERN KENT AND
NORTHEASTERN WASHINGTON COUNTIES...

THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA AND RAIN HAS 
STOPPED.  THE FLASH FLOOD WARNING HAS EXPIRED AND WILL NOT BE 
REISSUED.

LAT...LON 4167 7169 4172 7145 4156 7145 4154 7166
TIME...MOT...LOC 1826Z 180DEG 0KT 4163 7165

$$

RLG

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 12:19 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Newport, Washington56 min
Jun 24, 12:54 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Newport, Providence, Washington13 min
Jun 24, 1:06 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Newport, Providence39 min
Jun 24, 1:23 PM EDTSevere Thunderstorm WarningBOXKent, Providence, Washington67 min
Jun 24, 1:27 PM EDTSevere Thunderstorm WarningBOXNewport33 min
Jun 24, 1:35 PM EDTSevere Thunderstorm WarningBOXProvidence32 min
Jun 24, 1:38 PM EDTAreal Flood AdvisoryBOXBristol, Kent, Newport, Providence, Washington3 hr
Jun 24, 2:01 PM EDTSevere Thunderstorm WarningBOXProvidence59 min
Jun 24, 2:22 PM EDTSevere Thunderstorm WarningBOXKent, Newport, Washington33 min
Jun 24, 2:40 PM EDTFlash Flood WarningBOXBristol, Kent, Providence95 min
Jun 24, 2:47 PM EDTSevere Thunderstorm WarningBOXBristol, Newport22 min
Jun 24, 6:25 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Providence, Washington21 min
Jun 24, 6:41 PM EDTSevere Thunderstorm WarningBOXBristol, Kent, Newport, Washington31 min

Nearby

Flash Flood Warnings in Rhode Island, 2008Every flash flood warning in 2008

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.