Alert archive / Massachusetts / Areal Flood Warnings in 2018
Areal Flood Warning 29, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this areal flood warning at Jul 25, 2018, 10:10 PM EDT for Franklin County, Hampden County, Hampshire 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
- Jul 25, 2018, 10:10 PM EDT (02:10 UTC)
- Expired
- Jul 26, 2018, 1:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 121 km from the middle of the area, began a volume at 02:15 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, 2.2 hours before the alert went out and 105 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
- 574 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.7
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 Jul 25, 7:21 PM EDT, 2 hours 49 minutes earlier.
Area forecast discussion, Jul 25, 7:21 PM EDT, 2 hours 49 minutes before
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</html>Hazardous weather outlook, Jul 25, 3:50 PM EDT, 6 hours 20 minutes before
Hazardous Weather Outlook National Weather Service Boston/Norton MA 350 PM EDT Wed Jul 25 2018 CTZ002>004-MAZ002>021-026-RIZ001>007-262000- Hartford CT-Tolland CT-Windham CT-Western Franklin MA- Eastern Franklin MA-Northern Worcester MA-Central Middlesex MA- Western Essex MA-Eastern Essex MA-Western Hampshire MA- Western Hampden MA-Eastern Hampshire MA-Eastern Hampden MA- Southern Worcester MA-Western Norfolk MA-Southeast Middlesex MA- Suffolk MA-Eastern Norfolk MA-Northern Bristol MA- Western Plymouth MA-Eastern Plymouth MA-Southern Bristol MA- Southern Plymouth MA-Northern Middlesex MA-Northwest Providence RI- Southeast Providence RI-Western Kent RI-Eastern Kent RI-Bristol RI- Washington RI-Newport RI- 350 PM EDT Wed Jul 25 2018 ...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING... This Hazardous Weather Outlook is for northern Connecticut, central Massachusetts, eastern Massachusetts, northeastern Massachusetts, southeastern Massachusetts, western Massachusetts, northern Rhode Island and southern Rhode Island. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. In addition, strong thunderstorms may be capable of producing minor wind damage, such as downed branches or weakened trees. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MAZ022>024-RIZ008-262000- Barnstable MA-Dukes MA-Nantucket MA-Block Island RI- 350 PM EDT Wed Jul 25 2018 This Hazardous Weather Outlook is for southeastern Massachusetts and southern Rhode Island. .DAY ONE...This afternoon and tonight. Localized flash flooding of urban areas and small streams is possible into Thursday. In addition, strong thunderstorms may be capable of producing minor wind damage, such as downed branches or weakened trees. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. ANZ230>237-250-251-254>256-262000- Boston Harbor-Cape Cod Bay-Nantucket Sound-Vineyard Sound- Buzzards Bay-Rhode Island Sound-Narragansett Bay-Block Island Sound- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary-Massachusetts Bay and Ipswich Bay- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 350 PM EDT Wed Jul 25 2018 This Hazardous Weather Outlook is for Massachusetts and Rhode Island coastal waters. .DAY ONE...This afternoon and tonight. Heavy rain with a few strong thunderstorms are possible into Thursday morning. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. For the latest updates, please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:32 AM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 28 min |
| Jul 26, 3:00 AM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 30 min |
| Jul 26, 3:45 AM EDT | Special Weather Statement | BOX | Middlesex | 45 min |
| Jul 26, 1:24 PM EDT | Special Weather Statement | BOX | Worcester | 51 min |
| Jul 26, 1:30 PM EDT | Special Weather Statement | BOX | Worcester | 45 min |
| Jul 26, 2:35 PM EDT | Special Weather Statement | BOX | Worcester | 55 min |
| Jul 26, 2:43 PM EDT | Special Weather Statement | BOX | Middlesex | 62 min |
| Jul 26, 3:35 PM EDT | Special Weather Statement | BOX | Norfolk, Suffolk | 55 min |
| Jul 26, 4:20 PM EDT | Special Weather Statement | BOX | Norfolk | 40 min |
| Jul 26, 5:32 PM EDT | Special Weather Statement | BOX | Barnstable, Bristol, Plymouth | 88 min |
| Jul 25, 10:13 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 2 hr |
Nearby
Areal Flood Warnings in Massachusetts, 2018Every areal flood warning in 2018
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.