Alert archive / Massachusetts / Flash Flood Warnings in 2003
Flash Flood Warning 11, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Aug 12, 2003, 8:23 PM EDT for Worcester 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
- Aug 12, 2003, 8:23 PM EDT (00:23 UTC)
- Expired
- Aug 12, 2003, 11:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Worcester County, MA
The radar
The Boston radar (KBOX), 77 km from the middle of the area, began a volume at 00:24 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, 0.4 hours before the alert went out and 162 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
- 2388 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 820 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KBOX 130027 FFWBOX MAC027-130330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TAUNTON MA 823 PM EDT TUE AUG 12 2003 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * FLASH FLOOD WARNING FOR SMALL STREAMS... CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS * UNTIL 1130 PM EDT. * AT 819 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH TORRENTIAL RAINFALL OVER RUTLAND...OR ABOUT 9 MILES NORTHWEST OF WORCESTER. THE THUNDERSTORMS WERE MOVING EAST AT 10 MPH. THE MUSCHOPAUGE BROOK...SOUTH WACHUSETT BROOK AND MILL BROOK NEAR RUTLAND MASSACHUSETTS WERE NEAR BANKFUL AT 820 PM...AND SHOULD RISE SLIGHTLY ABOVE BANKFUL BETWEEN 9 AND 10 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO RIVERS AND STREAMS. EVEN THE SMALLEST STREAMS CAN BECOME KILLERS IN TORRENTIAL RAINS. IF YOU LIVE ALONG A FLOOD PRONE STREAM NOW IS THE TIME TO TAKE ACTION TO PROTECT LIFE AND PROPERTY. RAPID RISES ON SMALL RIVERS AND STREAMS CAN FLOOD HOMES...BUSINESSES AND ROADWAYS WITHOUT WARNING. $$ LAT...LON 4234 7199 4234 7188 4242 7187 4242 7200 STRAUSS
2 follow-up statements
000 WGUS71 KBOX 130141 CCA FFSBOX MAC027-130330- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 940 PM EDT TUE AUG 12 2003 ...FLASH FLOOD WARNING FOR SMALL STREAMS REMAINS IN EFFECT FOR CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS UNTIL 1130 PM... SHOWERS AND THUNDERSTORMS WHICH BROUGHT TORRENTIAL RAINS TO CENTRAL MASSACHUSETTS HAVE BEGUN TO DIMINISH IN INTENSITY AND COVERAGE. HOWEVER...REPORTS INDICATE SMALL STREAM FLOODING AND ROAD CLOSURES OCCURRING IN THE RUTLAND AREA. PORTIONS OF THE MUSCHOPAUGE BROOK...SOUTH WACHUSETT BROOK AND MILL BROOK IN THE RUTLAND AREA REMAIN ABOVE BANKFUL AT 930 PM. THEREFORE THE FLASH FLOOD WARNING FOR SMALL STREAMS IN CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS REMAINS IN EFFECT UNTIL 1130 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO RIVERS AND STREAMS. EVEN THE SMALLEST STREAMS CAN BECOME KILLERS IN TORRENTIAL RAINS. IF YOU LIVE ALONG A FLOOD PRONE STREAM NOW IS THE TIME TO TAKE ACTION TO PROTECT LIFE AND PROPERTY. RAPID RISES ON SMALL RIVERS AND STREAMS CAN FLOOD HOMES...BUSINESSES AND ROADWAYS WITHOUT WARNING. ...THE FLASH FLOOD WARNING FOR EAST CENTRAL WORCESTER COUNTY HAS BEEN ALLOWED TO EXPIRE... SHOWERS AND THUNDERSTORMS WHICH BROUGHT TORRENTIAL DOWNPOURS THIS EVENING ACROSS THE WESTBOROUGH AND NORTHBOROUGH AREAS IN EAST CENTRAL WORCESTER COUNTY HAVE MOVED EAST AND ARE BEGINNING TO DIMINISH IN INTENSITY. ROAD CLOSURES WERE REPORTED ON ROUTES 30 AND 135 IN WESTBOROUGH AT 740 PM AS WELL AS ROUTE 20...KENDALL ROAD AND PINEHAVEN DRIVE IN NORTHBOROUGH BETWEEN 7 AND 8 PM. REPORTS IN THESE AREAS INDICATE THAT THE POOR DRAINAGE AND STREET FLOODING WHICH HAD OCCURRED EARLIER THIS EVENING...IS NOW IMPROVING. SCATTERED SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED IN CENTRAL MASSACHUSETTS OVERNIGHT...HOWEVER...THERE IS NO IMMINENT THREAT OF FLOODING AT THIS TIME. ONCE AGAIN...THE FLASH FLOOD WARNING FOR EAST CENTRAL WORCESTER COUNTY AS BEEN ALLOWED TO EXPIRE. $$ STRAUSS
000 WGUS71 KBOX 130348 CCA FFSBOX MAC027-130500- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 1150 PM EDT TUE AUG 12 2003 ...FLASH FLOOD WARNING FOR SMALL STREAMS IN CENTRAL WORCESTER COUNTY HAS BEEN ALLOWED TO EXPIRE... SHOWERS AND THUNDERSTORMS WHICH BROUGHT TORRENTIAL RAINS TO CENTRAL MASSACHUSETTS HAVE DIMINISHED. REPORTS INDICATED THAT SMALL STREAM FLOODING AND ROAD CLOSURES OCCURRED IN THE RUTLAND AREA EARLIER THIS EVENING...AND THAT CURRENTLY CONDITIONS ARE IMPROVING. SCATTERED SHOWERS AND THUNDERSTORMS ARE STILL EXPECTED IN CENTRAL MASSACHUSETTS OVERNIGHT...HOWEVER...THERE IS NO IMMINENT THREAT OF FLOODING AT THIS TIME. ONCE AGAIN...THE FLASH FLOOD WARNING FOR CENTRAL WORCESTER COUNTY HAS BEEN ALLOWED TO EXPIRE. $$ STRAUSS
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 3:00 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 45 min |
| Aug 13, 3:27 PM EDT | Special Marine Warning | BOX | 93 min | |
| Aug 13, 3:27 PM EDT | Special Marine Warning | BOX | 93 min | |
| Aug 13, 3:29 PM EDT | Special Marine Warning | BOX | 22 hr | |
| Aug 13, 3:29 PM EDT | Special Marine Warning | BOX | 22 hr | |
| Aug 13, 4:50 PM EDT | Special Marine Warning | BOX | 70 min | |
| Aug 13, 4:50 PM EDT | Special Marine Warning | BOX | 70 min | |
| Aug 13, 4:51 PM EDT | Special Marine Warning | BOX | 21 hr | |
| Aug 13, 4:51 PM EDT | Special Marine Warning | BOX | 21 hr | |
| Aug 13, 5:20 PM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 40 min |
| Aug 13, 5:51 PM EDT | Flash Flood Warning | BOX | Plymouth | 3 hr |
| Aug 13, 7:17 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 28 min |
| Aug 13, 7:28 PM EDT | Flash Flood Warning | BOX | Bristol | 3 hr |
| Aug 13, 7:40 PM EDT | Special Marine Warning | BOX | 21 hr | |
| Aug 13, 7:40 PM EDT | Special Marine Warning | BOX | 65 min |
Nearby
Flash Flood Warnings in Massachusetts, 2003Every flash flood warning in 2003
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.