Alert archive / Massachusetts / Flash Flood Warnings in 1998

Flash Flood Warning 37, NWS Albany, NY

June 20, 1998Berkshire County, Massachusetts

NWS Albany, NY issued this flash flood warning at Jun 20, 1998, 5:04 PM EDT for Berkshire County, Massachusetts. 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
Jun 20, 1998, 5:04 PM EDT (21:04 UTC)
Expired
Jun 20, 1998, 9:00 PM EDT
In force
4 hr
Issued by
NWS Albany, NY
Area
Whole counties

County Berkshire County, MA

The radar

The Albany radar (KENX), 74 km from the middle of the area, began a volume at 21:04 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, 9.1 hours before the alert went out and 62 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, Albany, NY at 12:00Z on 1998-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 500 joules per kilogram.LCLLFCEL10008507005003002001001 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, Albany, NY at 12:00Z on 1998-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.193958Sfc1 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
500 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KALB 202104
FFWALB
MAC003-210050-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
504 PM EDT SAT JUN 20 1998

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BERKSHIRE COUNTY IN WESTERN MASSACHUSETTS

* UNTIL 900 PM EDT

* AT 455 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN BETWEEN FLORIDA AND SAVOY...
  DRIFTING SLOWLY TO THE SOUTH...

* NATIONAL WEATHER SERVICE DOPPLER RADAR PRECIPITATION ESTIMATES
  INDICATES THAT BETWEEN TWO AND THREE INCHES OF RAIN HAS FALLEN
  IN THIS REGION. SMALL CREEKS AND BROOKS WILL EXPERIENCE RAPID
  RISES THROUGH THE LATE AFTERNOON HOURS. THE FOLLOWING BROOKS
  CAN EXPECT FLOODING...

  THE WHITCOMB BROOK...REED BROOK...COLD RIVER...WHEELER BROOK...
  BLACK BROOK AND TANNERY BROOK.

  DON'T CAMP NEAR STREAMS OR OTHER LOW AREAS SUBJECT TO FLOODING!

  AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED
  TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH
  FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO
  ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
  WATER BEGINS RISING.

  JSQ/KL/MAC/HTS

Nearby

Flash Flood Warnings in Massachusetts, 1998Every flash flood warning in 1998

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.