Alert archive / Connecticut / Flash Flood Warnings in 2000

Flash Flood Warning 44, NWS New York, NY

September 9, 2000Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this flash flood warning at Sep 9, 2000, 3:25 PM EDT for Southeastern Connecticut Planning Region, Connecticut. 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: Sep 9, 2000, 3:25 PM EDT (19:25 UTC)
Expired: Sep 9, 2000, 6:30 PM EDT
In force: 3 hr
Issued by: NWS New York, NY
Area: Whole counties

County Southeastern Connecticut Planning Region, CT

The radar

The Boston radar (KBOX), 94 km from the middle of the area, began a volume at 19:28 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, 7.4 hours before the alert went out and 96 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1315 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 42 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 
WGUS51 KOKX 091929 COR
FFWOKX
CTC011-092100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...COR FOR EXPIRATION TIME...
NATIONAL WEATHER SERVICE NEW YORK NY
325 PM EDT SAT SEP 9 2000

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...

  IN SOUTHERN CONNECTICUT...
     EASTERN NEW LONDON...

* UNTIL 500 PM EDT...

* AT 325 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA.

 DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

$$

REPORT SEVERE WEATHER TO THE N{EAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN UPTON NY.

LAT...LON 4164 7180 4137 7185 4138 7213 4165 7218

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.

NWS New York, NY wrote its last area forecast discussion before this flash flood warning went out at Sep 9, 2:30 PM EDT, 55 minutes earlier.

Area forecast discussion, Sep 9, 2:30 PM EDT, 55 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
230 PM EDT SAT SEP 9 2000

DISC: THINGS HAVE CHANGED A BIT FOR THE BETTER WITH RESPECT TO THE
CURRENT SHWR THREAT. MOST OF THE ACTIVITY IS RIDING UP AND OVR THE
SFC FNT WHICH HAS SHIFTED TO THE N. THERE IS STILL A SLIGHT CHC OF A
SWR COMING THRU...SO I WENT WITH A REST OF TDY AND JUST MENTIONED A
CHC OF A SHWR.

AS WK FNT MOVS THRU ERLY TNGT THE DYNAMICS GO MAINLY THRU OUR NRN
ZNS AND E OF US VRY QUICKLY. UPR RIDGE IS ALOS COMING INTO COMMAND
BY THEN AND ALL THE ACTIVITY WILL BE VRY QUICK TO LEAVE US. MODELS
ARE ALL IN AGRREMENT WITH HOW THE FNT AND HI PRES ARE GOING TO MOVE.
HI PRES WL BUILD AS IT MOVS E AND OFF THE MAINE CST. WNDS WL BE VRY
LIGHT AND TEMPS MAY DROP MORE THAN THE FWC/S SHOW. AS HIGH PRES MOVS
E WNDS WILL SHIFT TO THE NE AND BY SUN AFTN TO SE. THERE MAY BE
ENOUGH LOW LVL MOIST ARND SO SOME PATCHY FOG MAY FORM TWRD THE MRNG.
SFC HI WL BE OFF THE CST WITH A NICE SE FLOW THRU MON. THERE MAY BE
MORE FOG DVLPNG SUN NIGHT AS WE ARE IN THE SE FLOW.

MON WK IMPLUSE WILL BEGIN TO MOV E FM THE WRN PORTIONS OF NY/PA.
CLDS SHD BE ON THE INCREASE AS THE OMEGA FIELD AND LOWER CLDS BEGIN
TO ADVANCE FM THE W. PCPN SHD HOLD OFF UNTIL TUE AS THE UPR TROFS WL
HANGE BACK.

MARINE...WINDS BELOW SCA AND WAVES ARE RUNNING BLO CRIT.

.OKX...NONE.

The office that day

Everything else NWS New York, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 9, 3:25 PM EDT	Flash Flood Warning	OKX	Southeastern Connecticut Planning Region	95 min

Nearby

Flash Flood Warnings in Connecticut, 2000 Every flash flood warning in 2000

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.