Alert archive / Massachusetts / Areal Flood Warnings in 2008
Areal Flood Warning 5, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this areal flood warning at Aug 15, 2008, 4:36 PM EDT for Plymouth County, Massachusetts. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 15, 2008, 4:36 PM EDT (20:36 UTC)
- Expired
- Aug 15, 2008, 7:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
County Plymouth County, MA
The radar
The Boston radar (KBOX), 33 km from the middle of the area, began a volume at 20:36 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, 8.6 hours before the alert went out and 73 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
- 149 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boston/Norton, MA wrote its last area forecast discussion before this areal flood warning went out at Aug 15, 4:10 PM EDT, 26 minutes earlier.
Area forecast discussion, Aug 15, 4:10 PM EDT, 26 minutes before
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</html>Hazardous weather outlook, Aug 15, 4:28 PM EDT, 8 minutes before
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</html>In the hours before
Special weather statement, Aug 15, 2:38 PM EDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 238 PM EDT FRI AUG 15 2008 MAZ005-013-015>019-151915- CENTRAL MIDDLESEX COUNTY MA-EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-NORTHERN BRISTOL MA-SUFFOLK MA-WESTERN NORFOLK MA-WESTERN PLYMOUTH MA- 238 PM EDT FRI AUG 15 2008 AT 236 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40 MPH AND SMALL HAIL 2 MILES WEST OF WALPOLE...OR ABOUT 6 MILES NORTHEAST OF FRANKLIN...MOVING EAST AT 37 MPH. THIS THUNDERSTORM SHOULD BE NEAR... CANTON AND STOUGHTON BY 250 PM EDT... BRAINTREE AND RANDOLPH BY 300 PM EDT... HINGHAM AND WEYMOUTH BY 310 PM EDT... COHASSET AND 6 MILES NORTHWEST OF NORWELL BY 320 PM EDT. HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED AREAS. BELK
Special weather statement, Aug 15, 2:51 PM EDT, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 251 PM EDT FRI AUG 15 2008 MAZ013-015-016-151915- EASTERN NORFOLK MA-SUFFOLK MA-WESTERN NORFOLK MA- 251 PM EDT FRI AUG 15 2008 AT 250 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40 MPH AND SMALL HAIL 2 MILES NORTHEAST OF WALPOLE...OR ABOUT 10 MILES NORTHEAST OF FRANKLIN...MOVING NORTHEAST AT 19 MPH. THE THUNDERSTORM WILL BE NEAR... CANTON AND WESTWOOD BY 300 PM EDT... HYDE PARK AND 6 MILES SOUTHEAST OF ROSLINDALE BY 310 PM EDT... RANDOLPH AND MILTON BY 320 PM EDT. HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED AREAS. BELK
Special weather statement, Aug 15, 2:57 PM EDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 257 PM EDT FRI AUG 15 2008 MAZ012-013-015-016-RIZ001-151930- EASTERN NORFOLK MA-NORTHWEST PROVIDENCE RI-SOUTHERN WORCESTER MA-SUFFOLK MA-WESTERN NORFOLK MA- 257 PM EDT FRI AUG 15 2008 AT 254 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40 MPH AND SMALL HAIL OVER FRANKLIN...MOVING NORTHEAST AT 25 MPH. THIS THUNDERSTORM SHOULD BE NEAR... NORFOLK AND FOXBOROUGH BY 310 PM EDT... CANTON AND SHARON BY 320 PM EDT... AND STOUGHTON AND RANDOLPH BY 330 PM EDT. HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED AREAS. BELK
Special weather statement, Aug 15, 3:39 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 339 PM EDT FRI AUG 15 2008 MAZ012-RIZ001-152015- NORTHWEST PROVIDENCE RI-SOUTHERN WORCESTER MA- 339 PM EDT FRI AUG 15 2008 AT 336 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40 MPH AND SMALL HAIL 3 MILES SOUTH OF MILLVILLE...OR ABOUT 5 MILES WEST OF WOONSOCKET...MOVING EAST AT 7 MPH. THIS THUNDERSTORM SHOULD BE NEAR... MILLVILLE BY 350 PM EDT... WOONSOCKET AND 7 MILES NORTH OF LINCOLN BY 410 PM EDT... AND CUMBERLAND BY 420 PM EDT. HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED AREAS. BELK
Special weather statement, Aug 15, 3:44 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 344 PM EDT FRI AUG 15 2008 CTZ003-004-MAZ011-152015- EASTERN HAMPDEN MA-TOLLAND CT-WINDHAM CT- 344 PM EDT FRI AUG 15 2008 AT 341 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 40 MPH AND SMALL HAIL 3 MILES WEST OF UNION...OR ABOUT 10 MILES NORTH OF MANSFIELD...MOVING NORTHEAST AT 6 MPH. THIS THUNDERSTORM SHOULD BE NEAR...UNION BY 410 PM EDT...AND HOLLAND BY 420 PM EDT. HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED AREAS. BELK
Special weather statement, Aug 15, 4:09 PM EDT, 27 minutes before
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</html>The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 3:05 PM EDT | Areal Flood Advisory | BOX | Norfolk | 3 hr |
| Aug 15, 3:31 PM EDT | Areal Flood Warning | BOX | Norfolk | 3 hr |
| Aug 15, 3:48 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk | 42 min |
| Aug 15, 3:51 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Worcester | 39 min |
| Aug 15, 4:11 PM EDT | Areal Flood Advisory | BOX | Plymouth | 3 hr |
| Aug 15, 4:55 PM EDT | Areal Flood Advisory | BOX | Hampden, Middlesex, Norfolk, Suffolk, Worcester | 3 hr |
| Aug 15, 5:10 PM EDT | Areal Flood Advisory | BOX | Hampden | 3 hr |
| Aug 15, 6:09 PM EDT | Areal Flood Advisory | BOX | Middlesex, Worcester | 3 hr |
| Aug 15, 6:17 PM EDT | Areal Flood Warning | BOX | Capitol Planning Region | 3 hr |
Nearby
Areal Flood Warnings in Massachusetts, 2008Every areal 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.