Alert archive / Maine / Flash Flood Warnings in 1998

Flash Flood Warning 29, NWS Gray, ME

June 18, 1998Franklin County, Maine

NWS Gray, ME issued this flash flood warning at Jun 18, 1998, 8:58 PM EDT for Franklin County, Maine. 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
Jun 18, 1998, 8:58 PM EDT (00:58 UTC)
Expired
Jun 19, 1998, 12:00 AM EDT
In force
3 hr
Issued by
NWS Gray, ME
Area
Whole counties

County Franklin County, ME

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 1.0 hours before the alert went out and 121 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 1998-06-19Temperature 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 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
580 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
56 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 190100
FFWPWM
MEC007-190400-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE GRAY ME
858 PM EDT THU JUN 18 1998

THE NATIONAL WEATHER SERVICE IN GRAY HAS ISSUED A

* FLOOD WARNING FOR...
  SOUTHERN FRANKLIN COUNTY IN WESTERN MAINE

* UNTIL 1200 AM EDT

* AT 855 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A THUNDERSTORM WITH HEAVY RAIN NEAR FARMINGTON...MOVING
  SOUTH AT 15 MPH. FRAKNLIN COUNTY SHERIFFS DEPARTMENT INDICATED
  THAT ROADS WERE WASHING OUT NEAR FARMINGTON. THE THUNDERSTORM
  MAY PRODUCE UP TO 2 INCHES OF RAIN IN LESS THAN AN HOUR.

  THE HEAVIEST RAIN WILL AFFECT FARMINGTON...NEW SHARON AND
  CHESTERVILLE

  HAYES
*

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, Jun 18, 4:47 PM EDT, 4 hours 11 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST...LOCALLY HEAVY RAINFALL
NATIONAL WEATHER SERVICE GRAY ME
447 PM EDT THU JUN 18 1998

MEZ012-018-NHZ004-006-182350-

.NOW...
LOOK FOR AN NARROW AREA OF SHOWERS AND THUNDERSTORMS TO MOVE SOUTH
THROUGH EASTERN NEW HAMPSHIRE AND NORTHWEST YORK COUNTY IN MAINE.
RAINFALL AMOUNTS IN THIS AREA MAY EXCEED 1 1/2 INCHES IN AN HOUR OR
LESS. THIS MUCH RAIN MAY CAUSE ALREADY SMALLER RIVER AND STREAMS TO
FLOW OUT OF THEIR BANKS...OR EXACERBATE EXISTING FLOODING. IF YOU
ARE IN THIS AREA...BE ON THE ALERT FOR SUDDEN RISES ON SMALL RIVER
AND STREAMS AND BE PREPARED TO TAKE ACTIONS SHOULD FLOODING OCCUR.

HAYES
Special weather statement, Jun 18, 4:47 PM EDT, 4 hours 11 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST...LOCALLY HEAVY RAINFALL
NATIONAL WEATHER SERVICE GRAY ME
447 PM EDT THU JUN 18 1998

MEZ012-018-NHZ004-006-182350-

.NOW...
LOOK FOR AN NARROW AREA OF SHOWERS AND THUNDERSTORMS TO MOVE SOUTH
THROUGH EASTERN NEW HAMPSHIRE AND NORTHWEST YORK COUNTY IN MAINE.
RAINFALL AMOUNTS IN THIS AREA MAY EXCEED 1 1/2 INCHES IN AN HOUR OR
LESS. THIS MUCH RAIN MAY CAUSE ALREADY SMALLER RIVER AND STREAMS TO
FLOW OUT OF THEIR BANKS...OR EXACERBATE EXISTING FLOODING. IF YOU
ARE IN THIS AREA...BE ON THE ALERT FOR SUDDEN RISES ON SMALL RIVER
AND STREAMS AND BE PREPARED TO TAKE ACTIONS SHOULD FLOODING OCCUR.

HAYES
Special weather statement, Jun 18, 7:08 PM EDT, 1 hour 50 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST...LOCALLY HEAVY RAIN
NATIONAL WEATHER SERVICE GRAY ME
708 PM EDT THU JUN 18 1998

NHZ003-006-190205-

.NOW...
LOOK FOR AN AREA OF SHOWERS AND THUNDERSTORMS TO MOVE ACROSS
EASTERN GRAFTON COUNTY INTO CARROLL COUNTY.  THE HEAVIEST RAIN WILL
OCCUR FROM WATERVILLE VALLEY IN GRAFTON COUNTY TO SANDWICH
AND WOLFEBORO IN CARROLL COUNTY. DOPPLER RADAR INDICATES THAT IN
EXCESS OF 1 1/2 INCHES OF RAIN HAS FALLEN IN THIS AREA DURING THE
PAST HOUR. THIS MAY CAUSE SMALL RIVERS AND STREAMS TO RISE
SUDDENLY. IF YOU LIVE NEAR A SMALL STREAM OR RIVER IN THIS AREA...
BE PREPARED TO ACT IF A WARNING IS ISSUED OR FLOODING IS OBSERVED.
&&
IN ADDITION...FLOODING OF STREETS AND POOR DRAINAGE AREAS MAY
RESULT. IF YOU ARE TRAVELING IN EASTERN GRAFTON OR CARROLL COUNTIES
THIS EVENING...BE ON THE ALERT FOR FLOODED ROADS.

HAYES
Special weather statement, Jun 18, 7:08 PM EDT, 1 hour 50 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST...LOCALLY HEAVY RAIN
NATIONAL WEATHER SERVICE GRAY ME
708 PM EDT THU JUN 18 1998

NHZ003-006-190205-

.NOW...
LOOK FOR AN AREA OF SHOWERS AND THUNDERSTORMS TO MOVE ACROSS
EASTERN GRAFTON COUNTY INTO CARROLL COUNTY.  THE HEAVIEST RAIN WILL
OCCUR FROM WATERVILLE VALLEY IN GRAFTON COUNTY TO SANDWICH
AND WOLFEBORO IN CARROLL COUNTY. DOPPLER RADAR INDICATES THAT IN
EXCESS OF 1 1/2 INCHES OF RAIN HAS FALLEN IN THIS AREA DURING THE
PAST HOUR. THIS MAY CAUSE SMALL RIVERS AND STREAMS TO RISE
SUDDENLY. IF YOU LIVE NEAR A SMALL STREAM OR RIVER IN THIS AREA...
BE PREPARED TO ACT IF A WARNING IS ISSUED OR FLOODING IS OBSERVED.
&&
IN ADDITION...FLOODING OF STREETS AND POOR DRAINAGE AREAS MAY
RESULT. IF YOU ARE TRAVELING IN EASTERN GRAFTON OR CARROLL COUNTIES
THIS EVENING...BE ON THE ALERT FOR FLOODED ROADS.

HAYES
Special weather statement, Jun 18, 8:11 PM EDT, 47 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST...LOCALLY HEAVY RAIN
NATIONAL WEATHER SERVICE GRAY ME
811 PM EDT THU JUN 18 1998

NHZ008-013-190310-

.NOW...
LOOK FOR AN AREA OF HEAVY RAIN TO MOVE INTO NORTHERN ROCKINGHAM AND
EASTERN MERRIMACK COUNTIES. AS THEY MOVE THROUGH...THUNDERSTORMS
MAY DROP BETWEEN 1 AND 1 1/2 INCHES OF RAIN...WHICH MAY CAUSE
STREET FLOODING AND FLOODING OF AREAS OF POOR DRAINAGE. THE
HEAVIEST RAIN WILL EXIT THE REGION AFTER 900 PM. IF YOU ARE
TRAVELING IN THIS AREA...BE ON THE ALERT FOR PONDING OF WATER ON
ROADS. ALSO...WATCH FOR SUDDEN RISES ON SMALL RIVERS AND STREAMS...
AND BE PREPARED TO ACT IF FLOODING IS OBSERVED.
&&
THE HEAVIEST RAIN WILL PASS BETWEEN CONCORD AND EXETER AS IT MOVES
SOUTH.

HAYES
Special weather statement, Jun 18, 8:11 PM EDT, 47 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST...LOCALLY HEAVY RAIN
NATIONAL WEATHER SERVICE GRAY ME
811 PM EDT THU JUN 18 1998

NHZ008-013-190310-

.NOW...
LOOK FOR AN AREA OF HEAVY RAIN TO MOVE INTO NORTHERN ROCKINGHAM AND
EASTERN MERRIMACK COUNTIES. AS THEY MOVE THROUGH...THUNDERSTORMS
MAY DROP BETWEEN 1 AND 1 1/2 INCHES OF RAIN...WHICH MAY CAUSE
STREET FLOODING AND FLOODING OF AREAS OF POOR DRAINAGE. THE
HEAVIEST RAIN WILL EXIT THE REGION AFTER 900 PM. IF YOU ARE
TRAVELING IN THIS AREA...BE ON THE ALERT FOR PONDING OF WATER ON
ROADS. ALSO...WATCH FOR SUDDEN RISES ON SMALL RIVERS AND STREAMS...
AND BE PREPARED TO ACT IF FLOODING IS OBSERVED.
&&
THE HEAVIEST RAIN WILL PASS BETWEEN CONCORD AND EXETER AS IT MOVES
SOUTH.

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 6:58 PM EDTFlash Flood WarningGYXSomerset2 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.