Alert archive / Massachusetts / Flash Flood Warnings in 1992
Flash Flood Warning 12, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Aug 9, 1992, 7:54 PM EDT for Barnstable County, Massachusetts. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1992, 7:54 PM EDT (23:54 UTC)
- Expired
- Aug 9, 1992, 10:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Barnstable County, MA
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 11.9 hours before the alert went out and 25 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
- 7 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOS 092350 FFWBOS MAC001-100200- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BOSTON MA 754 PM EDT SUN AUG 9 1992 THE NATIONAL WEATHER SERVICE IN BOSTON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MASSACHUSETTS ...BARNSTABLE COUNTY HEAVY RAIN HAS PRODUCED FLOODING OF ROADWAYS ALL ALONG THE CAPE. POLICE REPORT FLOODING ALONG THE MID CAPE HIGHWAY. RADAR SHOWS MORE RAIN WILL MOVE OVER THE CAPE DURING THE NEXT COUPLE OF HOURS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. JRS
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 9, 5:04 PM EDT, 2 hours 50 minutes before
SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE PROVIDENCE RI 503 PM EDT SUN AUG 9 1992 ...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE TO AFFECT THE RHODE ISLAND COAST... AT 450 PM...WEATHER RADAR SHOWED STRONG THUNDERSTORMS ACCOMPANIED BY TORRENTIAL RAINS AFFECTING MUCH OF COASTAL RHODE ISLAND OVER WASHINGTON AND NEWPORT COUNTIES. THESE STORMS HAVE DUMPED VERY HEAVY AMOUNTS OF RAIN...ESPECIALLY OVER NEWPORT COUNTY RESULTING IN STREET FLOODING. A WEATHER SPOTTER IN ADAMSVILLE REPORTED 2.1 INCHES OF RAIN IN 1 HOUR BETWEEN 3 AND 4 PM. ANOTHER SPOTTER IN TIVERTON REPORTED 3 INCHES IN A 2 HOUR PERIOD BETWEEN 230 AND 430 PM. THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 15 TO 20 MPH...AND OCCASIONAL TORRENTIAL DOWNPOURS WILL CONTINUE TO AFFECT WASHINGTON AND NEWPORT COUNTIES THROUGH 6 PM. IF YOU ARE TRAVELING ACROSS THE RHODE ISLAND COAST EARLY THIS EVENING... USE EXTRA CAUTION AND TIME DUE TO VERY HEAVY RAIN AND FLOODED ROADS. CADIMA
Special weather statement, Aug 9, 5:25 PM EDT, 2 hours 29 minutes before
CTZALL-092300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 525 PM EDT SUN AUG 9 1992 ...THE SEVERE THUNDERSTORM WATCH CONTINUES FOR WESTERN MASSACHUSETTS AND WESTERN CONNECTICUT HAS EXPIRED... AT 525 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS ACROSS SOUTHEAST NEW LONDON COUNTY. TORRENTIAL DOWNPOURS HAVE CAUSED SOME POOR DRAINAGE PROBLEMS IN THE NEW LONDON AND GROTON AREA AND ON UP INTO NORWICH. THE MOVEMENT OF PRECIPITATION HAS BEEN EAST AT 15 MILE AN HOUR. OTHER SHOWERS AND A FEW THUNDERSTORMS WERE MOVING ACROSS LITCHFIELD COUNTY. BRIEF HEAVY DOWNPOURS CAN BE EXPECTED AS THIS LINE CONTINUES TO MOVE EASTWARD ACROSS NORTHWEST CONNECTICUT. DO NOT ATTEMPT TO CROSS ROADWAYS IF WATER COVERS THE ROADS. SEKELSKY
Special weather statement, Aug 9, 5:30 PM EDT, 2 hours 24 minutes before
CTZALL-092300- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE HARTFORD CT 525 PM EDT SUN AUG 9 1992 ...THE SEVERE THUNDERSTORM WATCH CONTINUES FOR WESTERN MASSACHUSETTS AND WESTERN CONNECTICUT HAS EXPIRED... AT 525 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS ACROSS SOUTHEAST NEW LONDON COUNTY. TORRENTIAL DOWNPOURS HAVE CAUSED SOME POOR DRAINAGE PROBLEMS IN THE NEW LONDON AND GROTON AREA AND ON UP INTO NORWICH. THE MOVEMENT OF PRECIPITATION HAS BEEN EAST AT 15 MILE AN HOUR. OTHER SHOWERS AND A FEW THUNDERSTORMS WERE MOVING ACROSS LITCHFIELD COUNTY. BRIEF HEAVY DOWNPOURS CAN BE EXPECTED AS THIS LINE CONTINUES TO MOVE EASTWARD AC6ROSS NORTHWEST CONNECTICUT. DO NOT ATTEMPT TO CROSS ROADWAYS IF WATER COVERS THE ROADS. SEKELSKY ...CORRECTED FOR HEADER...
Special weather statement, Aug 9, 5:32 PM EDT, 2 hours 22 minutes before
CTZALL-092300- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE HARTFORD CT 525 PM EDT SUN AUG 9 1992 ...THE SEVERE THUNDERSTORM WATCH FOR WESTERN MASSACHUSETTS AND WESTERN CONNECTICUT HAS EXPIRED... AT 525 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS ACROSS SOUTHEAST NEW LONDON COUNTY. TORRENTIAL DOWNPOURS HAVE CAUSED SOME POOR DRAINAGE PROBLEMS IN THE NEW LONDON AND GROTON AREA AND ON UP INTO NORWICH. THE MOVEMENT OF PRECIPITATION HAS BEEN EAST AT 15 MILE AN HOUR. OTHER SHOWERS AND A FEW THUNDERSTORMS WERE MOVING ACROSS LITCHFIELD COUNTY. BRIEF HEAVY DOWNPOURS CAN BE EXPECTED AS THIS LINE CONTINUES TO MOVE EASTWARD ACROSS NORTHBWEST CONNECTICUT. DO NOT ATTEMPT TO CROSS ROADWAYS IF WATER COVERS THE ROADS. SEKELSKY ...CORRECTED FOR HEADER...
Special weather statement, Aug 9, 6:54 PM EDT, 1 hour before
CTZ001-002-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 650 PM EDT SUN AUG 9 1992 ...A STRONG THUNDERSTORM WAS MOVING ACROSS NORTHWEST CONNECTICUT... AT 645 PM...RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL OVER EXTREME NORTHWEST LITCHFIELD COUNTY NEAR SALISBURY AND CANAAN. THE POWERFUL THUNDERSTORM WAS TRACKING SOUTHEAST AT 20 MILES AND HOUR AND WILL REACH THE WINSTED/TORRINGTON AREA BY 720 PM. THIS THUNDERSTORM WAS PART OF A LINE OF SHOWERS AND THUNDERSTORMS THAT STRETCHED FROM SOUTHERN BERKSHIRE COUNTY OF MASSACHUSETTS...ACROSS NORTHWEST CONNECTICUT TO JUST NORTH OF POUGHKEEPSIE IN EASTERN NEW YORK STATE. THIS LINE WAS ALSO MOVING SOUTHEAST AT 20 MILES AN HOUR. IF THREATENING WEATHER APPROACHES YOUR AREA TAKE SHELTER INDOORS
Special weather statement, Aug 9, 7:27 PM EDT, 27 minutes before
MAZ004-100030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WORCESTER MA 726 PM EDT SUN AUG 9 1992 ...A STRONG THUNDERSTORM MOVING INTO CENTRAL MASSACHUSETTS... AT 7.20 PM RADAR SHOWED AN INTENSE THUNDERSTORM OVER SOUTHERN PORTIONS OF THE QUABBIN RESERVOIR. THE STORM WAS ABOUT 7 MILES NORTHWEST OF HARDWICK IN WESTERN WORCESTER COUNTY. THIS THUNDERSTORM CONTAINS VERY HEAVY RAIN AND POSSIBLE SOME SMALL HAIL AND GUSTY WINDS. IT WAS MOVINGx TOWARD THE EAST AT 15 MPH. IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY. DO NOT ATTEMOT TO DRIVE THROUGH FLOODED ROADS. KEHIR
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 3:39 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 66 min |
| Aug 9, 4:45 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 60 min |
| Aug 9, 5:45 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 60 min |
| Aug 9, 6:45 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 2 hr |
Nearby
Flash Flood Warnings in Massachusetts, 1992Every flash flood warning in 1992
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.