Alert archive / New Hampshire / Flash Flood Warnings in 2013

Flash Flood Warning 16, NWS Gray, ME

July 3, 2013Coos County, New Hampshire

NWS Gray, ME issued this flash flood warning at Jul 3, 2013, 4:06 PM EDT for Coos County, New Hampshire. It was in force for 114 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 3, 2013, 4:06 PM EDT (20:06 UTC)
Expired
Jul 3, 2013, 6:00 PM EDT
In force
114 min
Issued by
NWS Gray, ME
Area
Storm-based polygon
Flood severity
None

County Coos County, NH

The radar

The Portland,ME radar (KGYX), 122 km from the middle of the area, began a volume at 20:07 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, 8.1 hours before the alert went out and 301 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 2013-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 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 2013-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
307 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

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 Gray, ME wrote its last area forecast discussion before this flash flood warning went out at Jul 3, 3:37 PM EDT, 29 minutes earlier.

Area forecast discussion, Jul 3, 3:37 PM EDT, 29 minutes before
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Hazardous weather outlook, Jul 3, 3:28 PM EDT, 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
328 PM EDT WED JUL 3 2013

MEZ007>009-012>014-NHZ001>009-041930-
NORTHERN OXFORD-NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-NORTHERN COOS-SOUTHERN COOS-
NORTHERN GRAFTON-NORTHERN CARROLL-SOUTHERN GRAFTON-SOUTHERN CARROLL-
SULLIVAN-MERRIMACK-BELKNAP-
328 PM EDT WED JUL 3 2013

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW
HAMPSHIRE AND NORTHERN NEW HAMPSHIRE.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MEZ018>028-NHZ010-013-014-041930-
INTERIOR YORK-INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-
INTERIOR WALDO-COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-
KNOX-COASTAL WALDO-STRAFFORD-INTERIOR ROCKINGHAM-COASTAL ROCKINGHAM-
328 PM EDT WED JUL 3 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE...CENTRAL NEW
HAMPSHIRE AND SOUTHEASTERN NEW HAMPSHIRE.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED SHOWERS AND STORMS COULD CAUSE HEAVY DOWNPOURS AND
LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ150>154-041930-
STONINGTON ME TO PORT CLYDE ME OUT TO 25 NM-PENOBSCOT BAY-
PORT CLYDE ME TO CAPE ELIZABETH ME OUT TO 25 NM-CASCO BAY-
CAPE ELIZABETH ME TO MERRIMACK RIVER MA OUT TO 25 NM-
328 PM EDT WED JUL 3 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CASCO BAY...PENOBSCOT
BAY...THE COASTAL WATERS FROM CAPE ELIZABETH ME TO MERRIMACK RIVER
MA...THE COASTAL WATERS FROM PORT CLYDE ME TO CAPE ELIZABETH ME AND
THE COASTAL WATERS FROM STONINGTON ME TO PORT CLYDE ME.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 3, 12:49 PM EDT, 3 hours 17 minutes before
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Special weather statement, Jul 3, 2:30 PM EDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
230 PM EDT WED JUL 3 2013

MEZ007>009-012-NHZ001>004-032200-
NORTHERN OXFORD-NORTHERN FRANKLIN-CENTRAL SOMERSET-
SOUTHERN OXFORD-NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-
NORTHERN CARROLL-
INCLUDING THE CITIES OF...ANDOVER...ROXBURY...UPTON...
WILSONS MILLS...COBURN GORE...RANGELEY...KINGFIELD...BINGHAM...
JACKMAN...RUMFORD...NORWAY...FRYEBURG...OXFORD...COLEBROOK...
BERLIN...LANCASTER...LITTLETON...NORTH CONWAY
230 PM EDT WED JUL 3 2013

...THUNDERSTORMS WITH HEAVY RAIN IN THE MOUNTAINS THIS AFTERNOON...

SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE MOUNTAINS
OF NORTHERN NEW HAMPSHIRE AND WESTERN THIS AFTERNOON. SOME OF THESE
SHOWERS AND THUNDERSTORMS COULD PRODUCE GUSTY WINDS AND TORRENTIAL
DOWNPOURS...CAPABLE OF PRODUCING AN INCH OF RAIN IN AN HOUR OR
LESS. GIVEN THE ALREADY SATURATED GROUND...HIKERS AND CAMPERS
SHOULD BE PREPARED FOR FAST MOVING AND RAPIDLY RISING CREEKS AND
STREAMS. DRIVERS SHOULD ALSO LOOK FOR POTENTIAL FLOODING OF ROADS.
REMEMBER...WHETHER WALKING OR DRIVING...YOU SHOULD NOT CROSS
FLOODED AREAS...TURN AROUND DONT DROWN.

CEMPA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 9:54 AM EDTFlash Flood WatchGYXFranklin, Oxford, Somerset10 hr
Jul 3, 1:56 PM EDTAreal Flood AdvisoryGYXOxford109 min
Jul 3, 4:46 PM EDTSpecial Weather StatementGYXKennebec44 min
Jul 3, 4:58 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Franklin, Kennebec47 min
Jul 3, 5:17 PM EDTAreal Flood AdvisoryGYXSomerset3 hr
Jul 3, 5:41 PM EDTFlash Flood WarningGYXSomerset2 hr
Jul 3, 5:52 PM EDTAreal Flood AdvisoryGYXAndroscoggin, Oxford113 min
Jul 3, 6:09 PM EDTFlash Flood WarningGYXAndroscoggin, Kennebec, Oxford3 hr
Jul 3, 6:32 PM EDTSpecial Weather StatementGYXAndroscoggin43 min
Jul 3, 7:03 PM EDTAreal Flood AdvisoryGYXAndroscoggin, Kennebec, Oxford, Sagadahoc87 min
Jul 2, 9:21 PM EDTAreal Flood AdvisoryGYXMerrimack, Sullivan114 min
Jul 2, 11:23 PM EDTAreal Flood AdvisoryGYXMerrimack, Sullivan3 hr
Jul 3, 3:38 PM EDTAreal Flood AdvisoryGYXCoos, Grafton82 min

Nearby

Flash Flood Warnings in New Hampshire, 2013Every flash flood warning in 2013

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.