Alert archive / Massachusetts / Flash Flood Warnings in 2008
Flash Flood Warning 8, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Jul 23, 2008, 4:47 PM EDT for Bristol County, Norfolk County, Plymouth County, Massachusetts. It was in force for 88 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
- Jul 23, 2008, 4:47 PM EDT (20:47 UTC)
- Expired
- Jul 23, 2008, 6:15 PM EDT
- In force
- 88 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bristol County, MA, Norfolk County, MA, Plymouth County, MA
The radar
The Boston radar (KBOX), 18 km from the middle of the area, began a volume at 21:02 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, 8.8 hours before the alert went out and 87 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
- 891 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 581 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KBOX 232047
FFWBOX
MAC005-021-023-232215-
/O.NEW.KBOX.FF.W.0008.080723T2047Z-080723T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
447 PM EDT WED JUL 23 2008
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN NORFOLK COUNTY IN EASTERN MASSACHUSETTS...
THIS INCLUDES THE CITY OF WEYMOUTH...
NORTHEASTERN BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...
PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS...
THIS INCLUDES THE CITIES OF...PLYMOUTH...BROCKTON...
* UNTIL 615 PM EDT
* AT 444 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM THUNDERSTORMS TRACKING OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITMAN...
WEST BRIDGEWATER...STOUGHTON...ROCKLAND...RAYNHAM...RANDOLPH...
PLYMPTON...PEMBROKE...KINGSTON...HOLBROOK...HANSON...HANOVER...
HALIFAX...EASTON...EAST BRIDGEWATER...CANTON...BRIDGEWATER...
BRAINTREE...AVON AND ABINGTON
TORRENTIAL RAINS ARE EXPECTED AS THUNDERSTORMS CROSS THROUGH THE
AREA. RAINFALL OF 1 TO 2 INCHES COULD FALL IN JUST 20 MINUTES. DO
NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
LAT...LON 4169 7087 4193 7108 4219 7120 4228 7095
4227 7092 4190 7059
TIME...MOT...LOC 2046Z 180DEG 0KT 4193 7107
$$
NMBThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 1:34 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 3 hr |
| Jul 23, 2:18 PM EDT | Flood Watch | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 36 hr |
| Jul 23, 3:10 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 65 min |
| Jul 23, 3:35 PM EDT | Special Marine Warning | BOX | 55 min | |
| Jul 23, 3:50 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Worcester | 44 min |
| Jul 23, 3:51 PM EDT | Flash Flood Warning | BOX | Bristol | 84 min |
| Jul 23, 4:04 PM EDT | Tornado Warning | BOX | Bristol | 25 min |
| Jul 23, 4:21 PM EDT | Tornado Warning | BOX | Bristol, Plymouth | 28 min |
| Jul 23, 4:36 PM EDT | High Surf Advisory | BOX | Bristol, Dukes, Nantucket | 48 hr |
| Jul 23, 4:38 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex, Suffolk | 3 hr |
| Jul 23, 4:54 PM EDT | Special Marine Warning | BOX | 96 min | |
| Jul 23, 5:03 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 40 min |
| Jul 23, 6:06 PM EDT | Special Marine Warning | BOX | 39 min | |
| Jul 23, 7:24 PM EDT | Special Marine Warning | BOX | 66 min |
Nearby
Flash Flood Warnings in Massachusetts, 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.