Alert archive / Massachusetts / Areal Flood Warnings in 2023
Areal Flood Warning 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this areal flood warning at Apr 23, 2023, 1:53 PM EDT for Hampshire County, Massachusetts. It was in force for 6 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
- Apr 23, 2023, 1:53 PM EDT (17:53 UTC)
- Expired
- Apr 23, 2023, 7:41 PM EDT
- In force
- 6 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
County Hampshire County, MA
The radar
The Albany radar (KENX), 118 km from the middle of the area, began a volume at 17:54 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
Brookhaven, NY (KOKX), launched 12:00Z, 5.9 hours before the alert went out and 165 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 595 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 180 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 Apr 23, 11:45 AM EDT, 2 hours 8 minutes earlier.
Area forecast discussion, Apr 23, 11:45 AM EDT, 2 hours 8 minutes before
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</html>Hazardous weather outlook, Apr 23, 4:10 AM EDT, 9 hours 43 minutes before
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Local storm report, Apr 23, 8:25 AM EDT, 5 hours 28 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 |
|---|---|---|---|---|
| Apr 22, 9:08 PM EDT | Special Weather Statement | BOX | Hampden | 52 min |
| Apr 22, 10:02 PM EDT | Special Marine Warning | BOX | 58 min | |
| Apr 22, 10:50 PM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 40 min |
| Apr 22, 11:19 PM EDT | Special Marine Warning | BOX | 26 min | |
| Apr 22, 11:21 PM EDT | Special Weather Statement | BOX | Bristol | 39 min |
| Apr 23, 1:39 AM EDT | Special Marine Warning | BOX | 36 min | |
| Apr 23, 1:42 AM EDT | Special Weather Statement | BOX | Washington | 48 min |
| Apr 23, 1:56 AM EDT | Severe Thunderstorm Warning | BOX | Kent, Washington | 49 min |
| Apr 23, 2:38 AM EDT | Special Weather Statement | BOX | Providence | 52 min |
| Apr 22, 9:53 PM EDT | Special Weather Statement | BOX | 52 min | |
| Apr 22, 10:30 PM EDT | Special Weather Statement | BOX | 45 min | |
| Apr 23, 12:52 AM EDT | Special Weather Statement | BOX | 38 min | |
| Apr 23, 2:31 AM EDT | Special Weather Statement | BOX | 44 min | |
| Apr 23, 4:45 AM EDT | Special Weather Statement | BOX | 90 min | |
| Apr 23, 1:39 PM EDT | Areal Flood Warning | BOX | Capitol Planning Region | 5 hr |
Nearby
Areal Flood Warnings in Massachusetts, 2023Every areal flood warning in 2023
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.