Alert archive / Connecticut / Flash Flood Warnings in 1999

Flash Flood Warning 12, NWS Boston/Norton, MA

March 22, 1999Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this flash flood warning at Mar 22, 1999, 7:50 AM EST for Capitol Planning Region, Connecticut. It was in force for 4 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
Mar 22, 1999, 7:50 AM EST (12:50 UTC)
Expired
Mar 22, 1999, 11:45 AM EST
In force
4 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Capitol Planning Region, CT

The radar

The Brookhaven radar (KOKX), 109 km from the middle of the area, began a volume at 12:51 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

Chatham, MA (KCHH), launched 12:00Z, 0.8 hours before the alert went out and 217 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.

Skew-T log-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 1999-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 1999-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 230 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
789 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
230 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBOX 221251
FFWBOS
CTC003-221645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
750 AM EST MON MAR 22 1999

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN HARTFORD COUNTY IN CONNECTICUT
  INCLUDING BURLINGTON

* UNTIL 1145 AM EST

* AT 746 AM EST...THE BURLINGTON BROOK IN BURLINGTON WAS RISING VERY
  RAPIDLY.  FLASH FLOODING IS EXPECTED.  OTHER SMALL RIVERS AND 
  STREAMS WILL LIKELY RISE VERY RAPIDLY OVER THEIR BANKS THIS 
  MORNING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.

VALLEE

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

Local storm report, Mar 22, 6:50 AM EST, 1 hour before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
650 AM EST MON MAR 22 1999

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0630 AM    PETERBOROUGH              NH   NON TSTM WINDS
03/22/99   HILLSBOROUGH                   LARGE TREE BLOWN DOWN ONTO
                                          ROOF OF HOUSE...PER
                                          SPOTTER.

0635 AM    NEW BEDFORD               MA   NON TSTM WINDS
03/22/99   BRISTOL                        A 6-FOOT SIGN WAS BLOWN
                                          INTO STREET.

0640 AM    NEW BEDFORD               MA   NON TSTM WINDS
03/22/99   BRISTOL                        LARGE TREE DOWN BLOCKING
                                          ROAD AND TOOK DOWN WIRES
                                          ON CHARLES STREET...
                                          REPORTED BY AMATEUR RADIO.
Local storm report, Mar 22, 7:11 AM EST, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
711 AM EST MON MAR 22 1999

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0630 AM    PETERBOROUGH              NH   NON TSTM WINDS
03/22/99   HILLSBOROUGH                   LARGE TREE BLOWN DOWN ONTO
                                          ROOF OF HOUSE...PER
                                          SPOTTER.

0635 AM    NEW BEDFORD               MA   NON TSTM WINDS
03/22/99   BRISTOL                        A 6-FOOT SIGN WAS BLOWN
                                          INTO STREET.

0640 AM    NEW BEDFORD               MA   NON TSTM WINDS
03/22/99   BRISTOL                        LARGE TREE DOWN BLOCKING
                                          ROAD AND TOOK DOWN WIRES
                                          ON CHARLES STREET...
                                          REPORTED BY AMATEUR RADIO.

0650 AM    DARTMOUTH                 MA   NON TSTM WINDS
03/22/99   BRISTOL                        WINDOW BLOWN OUT OF STORE.
                                          REPORTED BY AMATEUR RADIO.

0652 AM    MATTAPOISETT              MA   NON TSTM WINDS
03/22/99   PLYMOUTH                       TREE DOWN BLOCKING PART OF
                                          FAIRHAVEN ROAD...PER
                                          AMATEUR RADIO.

0706 AM    MILTON                    MA   NON TSTM WINDS
03/22/99   NORFOLK                        WIND GUST TO 77 MPH ATOP
                                          BLUE HILL OBSERVATORY.

FIELD/DUNHAM
Local storm report, Mar 22, 7:11 AM EST, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
711 AM EST MON MAR 22 1999

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0630 AM    PETERBOROUGH              NH   NON TSTM WINDS
03/22/99   HILLSBOROUGH                   LARGE TREE BLOWN DOWN ONTO
                                          ROOF OF HOUSE...PER
                                          SPOTTER.

0635 AM    NEW BEDFORD               MA   NON TSTM WINDS
03/22/99   BRISTOL                        A 6-FOOT SIGN WAS BLOWN
                                          INTO STREET.

0640 AM    NEW BEDFORD               MA   NON TSTM WINDS
03/22/99   BRISTOL                        LARGE TREE DOWN BLOCKING
                                          ROAD AND TOOK DOWN WIRES
                                          ON CHARLES STREET...
                                          REPORTED BY AMATEUR RADIO.

0650 AM    DARTMOUTH                 MA   NON TSTM WINDS
03/22/99   BRISTOL                        WINDOW BLOWN OUT OF STORE.
                                          REPORTED BY AMATEUR RADIO.

0652 AM    MATTAPOISETT              MA   NON TSTM WINDS
03/22/99   PLYMOUTH                       TREE DOWN BLOCKING PART OF
                                          FAIRHAVEN ROAD...PER
                                          AMATEUR RADIO.

0706 AM    MILTON                    MA   NON TSTM WINDS
03/22/99   NORFOLK                        WIND GUST TO 77 MPH ATOP
                                          BLUE HILL OBSERVATORY.

FIELD/DUNHAM

Nearby

Flash Flood Warnings in Connecticut, 1999Every flash flood warning in 1999

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.