Alert archive / Massachusetts / Areal Flood Warnings in 2011
Areal Flood Warning 12, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this areal flood warning at Aug 28, 2011, 1:24 AM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut. It was in force for 24 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 28, 2011, 1:24 AM EDT (05:24 UTC)
- Expired
- Aug 29, 2011, 1:15 AM EDT
- In force
- 24 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Capitol Planning Region, CT, Franklin County, MA, Hampden County, MA, Hampshire County, MA
The radar
The Boston radar (KBOX), 125 km from the middle of the area, began a volume at 05:26 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.
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 5.4 hours before the alert went out and 113 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
- 450 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 27, 10:50 PM EDT, 2 hours 34 minutes earlier.
Area forecast discussion, Aug 27, 10:50 PM EDT, 2 hours 34 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 28, 8:38 AM EDT | Special Weather Statement | BOX | Bristol, Franklin, Hampden, Hampshire, Worcester | 57 min |
| Aug 28, 8:58 AM EDT | Areal Flood Warning | BOX | Middlesex, Worcester | 16 hr |
| Aug 28, 10:02 AM EDT | Areal Flood Advisory | BOX | Barnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 1 more | 3 hr |
| Aug 28, 10:30 AM EDT | River Flood Warning | BOX | Worcester | 8 hr |
| Aug 28, 1:05 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire | 3 hr |
| Aug 28, 1:19 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire | 8 hr |
| Aug 28, 1:38 PM EDT | River Flood Warning | BOX | Worcester | 16 hr |
| Aug 28, 1:38 PM EDT | River Flood Warning | BOX | Worcester | 24 hr |
| Aug 28, 2:49 PM EDT | River Flood Warning | BOX | Hampden, Hampshire | 14 hr |
| Aug 28, 3:46 PM EDT | River Flood Warning | BOX | Franklin, Hampshire | 54 hr |
| Aug 28, 3:46 PM EDT | River Flood Warning | BOX | Hampden, Hampshire | 68 hr |
| Aug 28, 3:46 PM EDT | River Flood Warning | BOX | Hampden | 69 hr |
| Aug 28, 3:46 PM EDT | River Flood Warning | BOX | Hampden | 53 hr |
| Aug 28, 5:43 PM EDT | River Flood Warning | BOX | Hampden | 67 hr |
| Aug 28, 6:37 PM EDT | River Flood Warning | BOX | Middlesex | 19 hr |
| Aug 28, 8:06 AM EDT | Special Weather Statement | BOX | Kent, Newport, Washington | 39 min |
| Aug 28, 10:21 AM EDT | Areal Flood Advisory | BOX | Washington | 3 hr |
| Aug 28, 5:02 AM EDT | River Flood Warning | BOX | Capitol Planning Region | 32 hr |
| Aug 28, 5:02 AM EDT | River Flood Warning | BOX | Capitol Planning Region | 4 days |
| Aug 28, 1:38 PM EDT | River Flood Warning | BOX | Capitol Planning Region | 51 hr |
| Aug 28, 5:43 PM EDT | River Flood Warning | BOX | Capitol Planning Region, Lower Connecticut River Valley Planning Region | 6 days |
| Aug 28, 5:43 PM EDT | River Flood Warning | BOX | Capitol Planning Region, Lower Connecticut River Valley Planning Region | 5 days |
Nearby
Areal Flood Warnings in Massachusetts, 2011Areal Flood Warnings in Connecticut, 2011Every areal flood warning in 2011
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.