Alert archive / Maine / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 59, NWS Gray, ME

July 28, 2014Cumberland County, Oxford County, York County, Maine; Carroll County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 28, 2014, 3:07 PM EDT for Cumberland County, Oxford County, York County, Maine; Carroll County, New Hampshire. It was in force for 38 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 28, 2014, 3:07 PM EDT (19:07 UTC)
Expired: Jul 28, 2014, 3:45 PM EDT
In force: 38 min
Issued by: NWS Gray, ME
Area: Storm-based polygon

Counties Cumberland County, ME, Oxford County, ME, York County, ME, Carroll County, NH

The radar

The Portland,ME radar (KGYX), 39 km from the middle of the area, began a volume at 19:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 28, 2:07 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 7.1 hours before the alert went out and 38 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 199 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 870 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 28, 2:11 PM EDT, 56 minutes earlier.

Area forecast discussion, Jul 28, 2:11 PM EDT, 56 minutes before

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Hazardous weather outlook, Jul 28, 2:10 PM EDT, 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAY ME
210 PM EDT MON JUL 28 2014

MEZ007-008-012-013-018>020-023-024-NHZ001>010-013-014-291815-
NORTHERN OXFORD-NORTHERN FRANKLIN-SOUTHERN OXFORD-SOUTHERN FRANKLIN-
INTERIOR YORK-INTERIOR CUMBERLAND-ANDROSCOGGIN-COASTAL YORK-
COASTAL CUMBERLAND-NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-
NORTHERN CARROLL-SOUTHERN GRAFTON-SOUTHERN CARROLL-SULLIVAN-
MERRIMACK-BELKNAP-STRAFFORD-INTERIOR ROCKINGHAM-COASTAL ROCKINGHAM-
210 PM EDT MON JUL 28 2014

...SEVERE THUNDERSTORM WATCH 452 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

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

   SEVERE THUNDERSTORM WATCH.

THUNDERSTORMS MAY PRODUCE DAMAGING WINDS...LARGE HAIL AND
TORRENTIAL RAIN. ISOLATED TORNADOES CANNOT BE RULED OUT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL OR RADIO IN SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MEZ009-014-021-022-025>028-291815-
CENTRAL SOMERSET-SOUTHERN SOMERSET-KENNEBEC-INTERIOR WALDO-SAGADAHOC-
LINCOLN-KNOX-COASTAL WALDO-
210 PM EDT MON JUL 28 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MAINE.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED INTO THIS
EVENING. SOME STORMS MAY PRODUCE GUSTY WINDS AND TORRENTIAL
DOWNPOURS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL OR RADIO IN SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ150>154-291815-
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-
210 PM EDT MON JUL 28 2014

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.

STRONG THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS ARE POSSIBLE
THROUGH THIS EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL OR RADIO IN SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Special weather statement, Jul 28, 9:27 AM EDT, 5 hours 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
927 AM EDT MON JUL 28 2014

MEZ012-NHZ002>004-281400-
NORTHERN CARROLL-NORTHERN GRAFTON-SOUTHERN COOS-SOUTHERN OXFORD-
927 AM EDT MON JUL 28 2014

...STRONG THUNDERSTORMS WILL IMPACT OXFORD COUNTY...CARROLL COUNTY...
COOS COUNTY AND GRAFTON COUNTY THROUGH 1000 AM EDT...

AT 926 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM
3 MILES NORTH OF FRYEBURG TO 5 MILES SOUTH OF PINKHAM NOTCH TO 5
MILES WEST OF CRAWFORD NOTCH...OR ALONG A LINE EXTENDING FROM 3 MILES
NORTH OF FRYEBURG TO 16 MILES NORTHWEST OF CONWAY TO 10 MILES
NORTHEAST OF LINCOLN...MOVING NORTH AT 25 MPH. THIS CLUSTER OF STRONG
THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND INTERVALE...GLEN...
FRYEBURG...NORTH CONWAY...JACKSON...CRAWFORD NOTCH...CRAWFORD NOTCH
STATE PARK...LOVELL...STOWE AND PINKHAM NOTCH THROUGH 1000 AM EDT.

GUSTY WINDS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. HEAVY RAINFALL
CAN BE EXPECTED...WITH LOCAL PONDING IN STREETS AND LOW-LYING AREAS.

LAT...LON 4395 7089 4410 7129 4404 7163 4442 7161
      4448 7126 4432 7086

POHL

Special weather statement, Jul 28, 9:28 AM EDT, 5 hours 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
928 AM EDT MON JUL 28 2014

MEZ012-018-019-023-NHZ003-005-006-008>010-281400-
BELKNAP-COASTAL YORK-INTERIOR CUMBERLAND-INTERIOR
YORK-MERRIMACK-NORTHERN GRAFTON-SOUTHERN CARROLL-SOUTHERN
GRAFTON-SOUTHERN OXFORD-STRAFFORD-
928 AM EDT MON JUL 28 2014

...STRONG THUNDERSTORMS WILL IMPACT BELKNAP COUNTY...STRAFFORD
COUNTY...MERRIMACK COUNTY...OXFORD COUNTY...CARROLL COUNTY...YORK
COUNTY...CUMBERLAND COUNTY AND GRAFTON COUNTY THROUGH 1000 AM EDT...

AT 928 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM
2 MILES NORTHWEST OF SANBORNTON TO 2 MILES SOUTHWEST OF CHESTNUT COVE
TO 5 MILES SOUTHWEST OF ACTON TO 3 MILES NORTH OF NORTH BERWICK...OR
ALONG A LINE EXTENDING FROM 5 MILES NORTH OF FRANKLIN TO 11 MILES
EAST OF LACONIA TO 10 MILES WEST OF SANFORD TO 7 MILES SOUTH OF
SANFORD...MOVING NORTH AT 35 MPH. THIS CLUSTER OF STRONG
THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND LOCHMERE...CHESTNUT
COVE...ALTON BAY...NORTH BERWICK...LEBANON...SANBORNTON...
MIDDLETON...LACONIA...HILL AND ALTON THROUGH 1000 AM EDT.

GUSTY WINDS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. HEAVY RAINFALL
CAN BE EXPECTED...WITH LOCAL PONDING IN STREETS AND LOW-LYING AREAS.

LAT...LON 4391 7160 4390 7112 4388 7083 4369 7050
      4325 7066 4343 7099 4345 7128 4347 7175

POHL

Local storm report, Jul 28, 2:24 PM EDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
224 PM EDT MON JUL 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0224 PM     HAIL             1 ENE FRANKLIN          43.45N  71.62W
07/28/2014  M0.25 INCH       BELKNAP            NH   TRAINED SPOTTER

&&

EVENT NUMBER GYX1400145

MC

Local storm report, Jul 28, 2:28 PM EDT, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
228 PM EDT MON JUL 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0227 PM     HAIL             LACONIA                 43.53N  71.48W
07/28/2014  M0.50 INCH       BELKNAP            NH   TRAINED SPOTTER

&&

EVENT NUMBER GYX1400146

MC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 9:28 AM EDT	Special Weather Statement	GYX	York	32 min
Jul 28, 3:46 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	44 min
Jul 28, 3:51 PM EDT	Tornado Warning	GYX	Cumberland, York	24 min
Jul 28, 5:21 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	39 min
Jul 28, 6:23 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	52 min
Jul 28, 6:25 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Oxford	50 min
Jul 28, 6:35 PM EDT	Severe Thunderstorm Warning	GYX	York	40 min
Jul 28, 6:40 PM EDT	Special Marine Warning	GYX		65 min
Jul 28, 6:42 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	38 min
Jul 28, 6:56 PM EDT	Flash Flood Warning	GYX	Cumberland, Oxford	3 hr
Jul 28, 7:10 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Franklin, Kennebec, Oxford	50 min
Jul 28, 7:15 PM EDT	Special Weather Statement	GYX	Cumberland, York	30 min
Jul 28, 7:36 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Kennebec, Oxford, Sagadahoc, York	39 min
Jul 28, 7:37 PM EDT	Special Marine Warning	GYX		68 min
Jul 28, 7:54 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Franklin, Kennebec, Oxford, Somerset	36 min
Jul 27, 8:29 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	46 min
Jul 28, 7:42 AM EDT	Special Weather Statement	GYX	Grafton	63 min
Jul 28, 8:04 AM EDT	Special Weather Statement	GYX	Carroll	56 min
Jul 28, 8:58 AM EDT	Special Weather Statement	GYX	Grafton	32 min
Jul 28, 9:27 AM EDT	Special Weather Statement	GYX	Carroll	33 min
Jul 28, 9:32 AM EDT	Areal Flood Advisory	GYX	Belknap, Grafton, Merrimack, Sullivan	3 hr
Jul 28, 11:50 AM EDT	Areal Flood Advisory	GYX	Carroll, Coos, Grafton	4 hr
Jul 28, 2:24 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Strafford	51 min
Jul 28, 3:05 PM EDT	Areal Flood Advisory	GYX	Belknap, Carroll, Grafton, Merrimack	3 hr
Jul 28, 3:18 PM EDT	Flash Flood Warning	GYX	Belknap, Carroll, Grafton	3 hr
Jul 28, 3:47 PM EDT	Special Weather Statement	GYX	Sullivan	28 min
Jul 28, 4:04 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Grafton, Merrimack, Sullivan	41 min
Jul 28, 4:40 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton	50 min
Jul 28, 5:19 PM EDT	Severe Thunderstorm Warning	GYX	Merrimack, Rockingham, Strafford	41 min
Jul 28, 5:54 PM EDT	Areal Flood Advisory	GYX	Merrimack, Rockingham	3 hr
Jul 28, 6:02 PM EDT	Flash Flood Warning	GYX	Belknap, Carroll, Grafton	3 hr

Nearby

Severe Thunderstorm Warnings in Maine, 2014 Severe Thunderstorm Warnings in New Hampshire, 2014 Every severe thunderstorm warning in 2014

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.