Alert archive / Massachusetts / Flash Flood Warnings in 2007
Flash Flood Warning 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at May 10, 2007, 6:27 PM EDT for Franklin County, Massachusetts. It was in force for 93 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 10, 2007, 6:27 PM EDT (22:27 UTC)
- Expired
- May 10, 2007, 8:00 PM EDT
- In force
- 93 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Franklin County, MA
The radar
The Albany radar (KENX), 121 km from the middle of the area, began a volume at 22:27 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 12:00Z, 10.5 hours before the alert went out and 102 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
- 654 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KBOX 102228
FFWBOX
MAC011-110000-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
627 PM EDT THU MAY 10 2007
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 800 PM EDT
* AT 626 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM NEAR ROWE...OR ABOUT 9 MILES
EAST OF NORTH ADAMS...MOVING NORTH AT 5 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HEATH
AND MONROE
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS ROADS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
LAT...LON 4274 7277 4262 7284 4258 7296 4264 7295
4267 7298 4274 7299
$$
MLE3 follow-up statements
000
WGUS71 KBOX 102253
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
651 PM EDT THU MAY 10 2007
MAC011-110000-
FRANKLIN MA-
651 PM EDT THU MAY 10 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHWESTERN FRANKLIN COUNTY...
AT 647 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING. THIS STORM WAS
LOCATED NEAR ROWE...OR ABOUT 11 MILES EAST OF NORTH ADAMS...MOVING
NORTH AT 5 MPH.
DOPPLER RADAR IS INDICATING RAINFALL RATES OF 2 TO 3 INCHES PER HOUR
WITH THIS THUNDERSTORM. FLASH FLOODING IS LIKELY OCCURRING ACROSS
NORTHWEST FRANKLIN COUNTY...ESPECIALLY IN THE HILLY TERRAIN. SMALL
STREAMS WILL LIKELY OVERFLOW THEIR BANKS. SOME ROADS COULD BE
WASHED OUT.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
LAT...LON 4274 7299 4273 7278 4264 7289 4261 7295
4264 7295 4267 7298
$$
MLE000
WGUS71 KBOX 102331
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
729 PM EDT THU MAY 10 2007
MAC011-110000-
FRANKLIN MA-
729 PM EDT THU MAY 10 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHWESTERN FRANKLIN COUNTY...
AT 725 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING. THIS STORM WAS
LOCATED NEAR ROWE...OR ABOUT 12 MILES EAST OF NORTH ADAMS...MOVING
NORTH AT 5 MPH. DOPPLER RADAR IS INDICATING RAINFALL RATES OF AROUND
2 INCHES PER HOUR IN THE WARNED AREA AND A 3 HOUR TOTAL OF BETWEEN 3
5 INCHES.
FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED
DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED
BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A
FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING
WATER MOVE UP TO HIGHER GROUND.
IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO
STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.
CAMPERS AND HIKERS SHOULD AVOID STREAMS OF CREEKS.
LAT...LON 4274 7299 4273 7278 4265 7291 4264 7294
4267 7298
$$
MLE000
WGUS71 KBOX 102358
FFSBOX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
757 PM EDT THU MAY 10 2007
MAC011-110007-
FRANKLIN MA-
757 PM EDT THU MAY 10 2007
...THE FLASH FLOOD WARNING WILL EXPIRE AT 800 PM EDT FOR NORTHWESTERN
FRANKLIN COUNTY...
THE THUNDERSTORMS HAVE MOVED OUT OF FRANKLIN COUNTY...AND THUS THE
FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 800 PM.
HOWEVER...RUNOFF MAY STILL OCCUR THROUGH 9 PM AND PRODUCE LOCAL
FLOODING OF CREEKS...STREAMS...AS WELL AS ROADS.
LAT...LON 4274 7299 4273 7278 4265 7291 4264 7294
4267 7298
$$
MLEThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 10:20 AM EDT | Marine Weather Statement | BOX | 23 hr | |
| May 10, 2:35 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 40 min |
| May 10, 3:16 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 29 min |
| May 10, 3:37 PM EDT | Flash Flood Warning | BOX | Franklin | 53 min |
| May 10, 3:43 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 32 min |
| May 10, 4:50 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 16 hr |
| May 10, 6:12 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 63 min |
| May 10, 7:15 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 26 min |
Nearby
Flash Flood Warnings in Massachusetts, 2007Every flash flood warning in 2007
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.