Alert archive / Maine / Flash Flood Warnings in 1998

Flash Flood Warning 2, NWS Gray, ME

March 30, 1998Franklin County, Oxford County, Maine

NWS Gray, ME issued this flash flood warning at Mar 30, 1998, 10:09 PM EST for Franklin County, Oxford County, Maine. It was in force for 10 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 30, 1998, 10:09 PM EST (03:09 UTC)
Expired
Mar 31, 1998, 8:00 AM EST
In force
10 hr
Issued by
NWS Gray, ME
Area
Whole counties

Counties Franklin County, ME, Oxford County, ME

The radar

The Portland,ME radar (KGYX), 98 km from the middle of the area, began a volume at 03:11 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

Gray, ME (KGYX), launched 00:00Z, 3.2 hours before the alert went out and 98 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, Gray, ME at 00:00Z on 1998-03-31Temperature 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, Gray, ME at 00:00Z on 1998-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 351 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
2041 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
351 m²/s²
0-3 km storm-relative helicity
473 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 KPWM 310310
FFWPWM
MEC007-017-311300-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE GRAY ME
1009 PM EST MON MAR 30 1998

THE NATIONAL WEATHER SERVICE IN GRAY ME HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 800 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN MAINE

   ...FRANKLIN COUNTY
   ...NORTHERN AND CENTRAL OXFORD COUNTY
 
AT 1005 PM...DOPPLER WEATHER RADAR SHOWED PERSISTANT BANDS OF
SHOWERS AND THUNDERSTORMS CROSSING OXFORD AND FRANKLIN COUNTIES
...MOSTLY FROM THE RANGELEY LAKES REGION AND POINTS NORTH.  RADAR
ESTIMATES THAT LOCALLY UP TO AN INCH OR RAIN HAVE FALLEN NEAR UPTON
IN OXFORD COUNTY AND RANGELY IN FRANKLIN COUNTY.

AROUND AN INCH OF RAIN IS NEEDED FOR FLOODING OF SMALL RIVERS AND
STREAMS.  SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE INTO
THIS REGION FROM NORTHERN NEW HAMPSHIRE...BRINGING LOCAL RAINFALL
TOTALS IN THE ONE TO TWO INCH RANGE TONIGHT.

DO NOT DRIVE OVER FLOODED ROADS.  STAY TUNED FOR ADDITIONAL
STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE.

JC/NWSFO GYX

The office that day

Everything else NWS Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 7:33 AM ESTFlash Flood WarningGYXFranklin, Oxford2 hr

Nearby

Flash Flood Warnings in Maine, 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.