Alert archive / New Hampshire / Flash Flood Warnings in 1998

Flash Flood Warning 35, NWS Gray, ME

June 27, 1998Coos County, New Hampshire

NWS Gray, ME issued this flash flood warning at Jun 27, 1998, 9:31 AM EDT for Coos County, New Hampshire. It was in force for 5 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 27, 1998, 9:31 AM EDT (13:31 UTC)
Expired
Jun 27, 1998, 2:25 PM EDT
In force
5 hr
Issued by
NWS Gray, ME
Area
Whole counties

County Coos County, NH

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 1.5 hours before the alert went out and 122 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 12:00Z on 1998-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Gray, ME at 12:00Z on 1998-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
3 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
444 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPWM 271334
FFWPWM
MEC007-NHC007-271825-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE GRAY ME
931 AM EDT SAT JUN 27 1998

THE NATIONAL WEATHER SERVICE IN GRAY HAS ISSUED A

* FLOOD WARNING FOR...
  FRANKLIN COUNTY IN WESTERN MAINE
  COOS COUNTY IN NORTHERN NEW HAMPSHIRE

* UNTIL 225 PM EDT

* AT 930 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF HEAVY RAIN NEAR OVER COOS COUNTY NEW HAMPSHIRE AND
  FRANKLIN COUNTY IN MAINE.  THESE BANDS OF SHOWERS AND
  THUNDERSTORMS WILL REMAIN NEARLY STATIONARY THROUGH NOONTIME...
  BRINGING SIX HOUR RAINFALL TOTALS IN THIS AREA INTO THE 2-3 INCH
  RANGE.  THIS WILL CAUSE FLOODING OF SMALL RIVERS AND STREAMS.

  DO NOT DRIVE VEHICLES WHERE WATER COVERS THE ROAD.  STAY TUNED
  FOR FURTHER STATEMENTS FROM THE NATIONAL WEATHER SERVICE.

  JC/NWSFO GYX

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 27, 6:00 AM EDT, 3 hours 31 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST
NATIONAL WEATHER SERVICE GRAY ME
600 AM EDT SAT JUN 27 1998

NHZ002-003-005-009-271400-

.NOW...
SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY DOWNPOURS WILL
CONTINUE TO MOVE SLOWLY EAST ACROSS CENTRAL NEW HAMPSHIRE.  A FEW
COMMUNITIES IN A LINE FROM ORFORD IN GRAFTON COUNTY TO GILFORD IN
BELKNAP COUNTY WILL PICK UP A QUICK INCH TO AN INCH AND A HALF OF
RAIN THROUGH 9 AM...CAUSING SMALL RIVERS AND STREAMS TO RISE.  A
SECOND AREA OF SHOWERS OVER CENTRAL COOS COUNTY WILL DEPOSIT ABOUT A
HALF INCH OF RAIN THROUGH 9 AM.

A FLOOD WATCH CONTINUES TODAY.  PEOPLE ALONG THE PEMIGEWASSET RIVER
SHOULD MONITOR WATER LEVELS AND BE| PREPARED TO MOVE TO HIGHER
GROUND IF FLOODWATERS THREATEN.  DO NOT ATTEMPT TO DRIVE INTO AREAS
WHERE WATER COVERS THE ROAD.

JC
Special weather statement, Jun 27, 6:00 AM EDT, 3 hours 31 minutes before
BULLETIN- IMMEDIATE BROADCAST REQUESTED
SPECIAL SHORT TERM FORECAST
NATIONAL WEATHER SERVICE GRAY ME
600 AM EDT SAT JUN 27 1998

NHZ002-003-005-009-271400-

.NOW...
SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY DOWNPOURS WILL
CONTINUE TO MOVE SLOWLY EAST ACROSS CENTRAL NEW HAMPSHIRE.  A FEW
COMMUNITIES IN A LINE FROM ORFORD IN GRAFTON COUNTY TO GILFORD IN
BELKNAP COUNTY WILL PICK UP A QUICK INCH TO AN INCH AND A HALF OF
RAIN THROUGH 9 AM...CAUSING SMALL RIVERS AND STREAMS TO RISE.  A
SECOND AREA OF SHOWERS OVER CENTRAL COOS COUNTY WILL DEPOSIT ABOUT A
HALF INCH OF RAIN THROUGH 9 AM.

A FLOOD WATCH CONTINUES TODAY.  PEOPLE ALONG THE PEMIGEWASSET RIVER
SHOULD MONITOR WATER LEVELS AND BE| PREPARED TO MOVE TO HIGHER
GROUND IF FLOODWATERS THREATEN.  DO NOT ATTEMPT TO DRIVE INTO AREAS
WHERE WATER COVERS THE ROAD.

JC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 7:01 AM EDTFlash Flood WarningGYXBelknap, Carroll, Grafton6 hr
Jun 27, 3:09 PM EDTFlash Flood WarningGYXBelknap, Carroll, Coos, Grafton8 hr

Nearby

Flash Flood Warnings in New Hampshire, 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.