Alert archive / Massachusetts / Flash Flood Warnings in 2004
Flash Flood Warning 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Sep 18, 2004, 11:00 AM EDT for Franklin 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 outline as issued.
The facts
- Issued
- Sep 18, 2004, 11:00 AM EDT (15:00 UTC)
- Expired
- Sep 18, 2004, 5:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Counties, with a storm outline in the text
County Franklin County, MA
The radar
The Albany radar (KENX), 108 km from the middle of the area, began a volume at 15:00 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, 3.0 hours before the alert went out and 195 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
- 1385 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KBOX 181507 FFWBOX MAC011-182100- /0..000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TAUNTON MA 1100 AM EDT SAT SEP 18 2004 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * FLASH FLOOD WARNING FOR... FRANKLIN COUNTY IN WESTERN MASSACHUSETTS THIS INCLUDES THE CITY OF GREENFIELD * UNTIL 500 PM EDT * AT 11 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE LIKLIHOOD OF UP TO ANOTHER INCH OF RAIN TO FALL ACROSS FRANKLIN COUNTY ON TOP OF AN ESTIMATED 3 INCHES THAT HAVE ALREADY FALLEN. THE ADDITIONAL RAINFALL WILL LIKELY CAUSE SMALL STREAMS IN FRANKLIN COUNTY TO FLOOD. THE NORTH RIVER AT SHATTUCKVILLE HAS ALREADY SHOWN A RAPID RISE. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHATELY...WARWICK...SHELBURNE...ROWE...NORTHFIELD...MONTAGUE... HEATH...HAWLEY...GILL...ERVING...DEERFIELD...CONWAY...COLRAIN... CHARLEMONT...BUCKLAND...BERNARDSTON AND ASHFIELD. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. LAT...LON 4260 7297 4243 7265 4271 7222 4274 7289 $$ THOMPSON
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 11:50 AM EDT | Flash Flood Warning | BOX | Worcester | 6 hr |
| Sep 18, 12:02 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire | 6 hr |
| Sep 18, 12:24 PM EDT | Special Marine Warning | BOX | 81 min | |
| Sep 18, 12:24 PM EDT | Special Marine Warning | BOX | 81 min | |
| Sep 18, 12:24 PM EDT | Special Marine Warning | BOX | 81 min | |
| Sep 18, 12:24 PM EDT | Special Marine Warning | BOX | 81 min | |
| Sep 18, 2:06 PM EDT | Special Marine Warning | BOX | 84 min | |
| Sep 18, 2:06 PM EDT | Special Marine Warning | BOX | 84 min |
Nearby
Flash Flood Warnings in Massachusetts, 2004Every flash flood warning in 2004
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.