Alert archive / Maine / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 68, NWS Gray, ME

July 18, 2016Kennebec County, Waldo County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Jul 18, 2016, 7:38 PM EDT for Kennebec County, Waldo County, Maine. It was in force for 67 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 18, 2016, 7:38 PM EDT (23:38 UTC)
Expired: Jul 18, 2016, 8:45 PM EDT
In force: 67 min
Issued by: NWS Gray, ME
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kennebec County, ME, Waldo County, ME

The radar

The Portland,ME radar (KGYX), 106 km from the middle of the area, began a volume at 23:40 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.

What was reported inside it

Time	Report	Where	Remark
Jul 18, 8:30 PM EDT	TSTM WND DMG	Unity, ME	TREES DOWN.
Jul 18, 8:46 PM EDT	TSTM WND DMG	Thorndike, ME	TREES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 52 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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 18, 11:12 AM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 11.6 hours before the alert went out and 106 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: 24 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 1173 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

345 
WUUS51 KGYX 182338
SVRGYX
MEC011-027-190045-
/O.NEW.KGYX.SV.W.0068.160718T2338Z-160719T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAY ME
738 PM EDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN GRAY MAINE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WALDO COUNTY IN SOUTH CENTRAL MAINE...
  NORTHEASTERN KENNEBEC COUNTY IN SOUTH CENTRAL MAINE...

* UNTIL 845 PM EDT

* AT 738 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FAIRFIELD...
  MOVING EAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  WATERVILLE...BELFAST...THORNDIKE...CLINTON...UNITY...PALERMO...
  WINTERPORT...KNOX...BENTON...ALBION...BURNHAM...BROOKS...FREEDOM...
  JACKSON...BELMONT...MONTVILLE...WALDO...TROY...MORRILL AND MONROE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4436 6909 4453 6964 4458 6961 4459 6959
      4460 6959 4468 6954 4470 6920 4465 6919
      4464 6917 4468 6898
TIME...MOT...LOC 2338Z 281DEG 22KT 4459 6958 

HAIL...1.00IN
WIND...60MPH
 
$$

KIMBLE

2 follow-up statements

702 
WWUS51 KGYX 190002
SVSGYX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
802 PM EDT MON JUL 18 2016

MEC011-027-190045-
/O.CON.KGYX.SV.W.0068.000000T0000Z-160719T0045Z/
WALDO ME-KENNEBEC ME-
802 PM EDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CENTRAL WALDO AND NORTHEASTERN KENNEBEC COUNTIES...

AT 802 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FAIRFIELD...
MOVING EAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
WATERVILLE...BELFAST...THORNDIKE...CLINTON...UNITY...PALERMO...
WINTERPORT...KNOX...BENTON...ALBION...BURNHAM...BROOKS...FREEDOM...
JACKSON...BELMONT...MONTVILLE...WALDO...TROY...MORRILL AND MONROE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4436 6909 4453 6964 4458 6961 4459 6959
      4460 6959 4468 6954 4470 6920 4465 6919
      4464 6917 4468 6898
TIME...MOT...LOC 0002Z 278DEG 20KT 4463 6966 

HAIL...1.00IN
WIND...60MPH
 
$$

KIMBLE

119 
WWUS51 KGYX 190017
SVSGYX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
817 PM EDT MON JUL 18 2016

MEC011-027-190045-
/O.CON.KGYX.SV.W.0068.000000T0000Z-160719T0045Z/
WALDO ME-KENNEBEC ME-
817 PM EDT MON JUL 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CENTRAL WALDO AND NORTHEASTERN KENNEBEC COUNTIES...

AT 816 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FAIRFIELD...
MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
WATERVILLE...BELFAST...THORNDIKE...CLINTON...UNITY...PALERMO...
WINTERPORT...KNOX...BENTON...ALBION...BURNHAM...BROOKS...FREEDOM...
JACKSON...BELMONT...MONTVILLE...WALDO...TROY...MORRILL AND MONROE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS AN
INTERIOR ROOM... A BATHROOM OR CLOSET OR BASEMENT.

&&

LAT...LON 4436 6909 4453 6964 4458 6961 4459 6959
      4460 6959 4468 6954 4470 6920 4465 6919
      4464 6917 4468 6898
TIME...MOT...LOC 0016Z 282DEG 32KT 4459 6957 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

KIMBLE

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 18, 3:54 PM EDT, 3 hours 44 minutes earlier.

Area forecast discussion, Jul 18, 3:54 PM EDT, 3 hours 44 minutes before

Area Forecast Discussion
National Weather Service Gray ME
354 PM EDT MON JUL 18 2016

.SYNOPSIS...
A cold front will push offshore overnight. High pressure will
build in from the west Tuesday and will settle offshore south of
New England on Wednesday. High pressure will hold south of New
England on Thursday. A cold front will cross the region late
Friday or early Saturday. A narrow ridge of high pressure will
build over the region on Sunday.

&&

.NEAR TERM /THROUGH TONIGHT/...
Severe weather event on-going at this time across the region with
several severe thunderstorm and tornado warnings already issued.
Expect this activity to continue into the early evening hours as
as strong shear and capes of 1500 to 2500 prevail across much of
the forecast area. Severe thunderstorm watch remains in effect
through 800 pm.

Thunderstorms will gradually lose their punch as heating subsides
later this evening but expect showers and some thunderstorms to
continue through the evening hours...espcially in southern and
coastal zones. This activity should be pretty much offshore by midnight
as the front pushes east. Low temps overnight will range through
the 50s in the north and lower to mid 60s in the south.

&&

.SHORT TERM /TUESDAY THROUGH TUESDAY NIGHT/...
High pressure builds in from the west on Tuesday. Cooler and drier
air will be ushered in on gusty northwest winds. Expect a mix of
sun and clouds in the mountains and mostly sunny skies elsewhere.
Highs will range from the mid 60s to mid 70s north and mid 70s to
lower 80s south.

Mostly clear skies and diminishing winds Tuesday night will set
the stage for some chilly overnight lows. Expect temps to bottom
out in the lower to mid 40s in cooler mountain valley in the north
and in the upper 40s to mid 50s south.

&&

.LONG TERM /WEDNESDAY THROUGH MONDAY/...
Models are indicating wonderful weather for Wednesday and Thursday
with low humidity and near seasonable temperatures. By Friday the
hot and humid air returns with highs in the lower 90s and dew
points climbing back into the mid to upper 60s with temperature
regime continuing through the weekend. A series of short waves
will be moving through starting Friday with shower and
thunderstorms occurring especially Friday afternoon into early
Saturday. shower will develop again each afternoon as there will
be several frontal boundaries around. Difficult to time these
boundaries but it soes not look like the weekend will be
completely dry.

&&

.AVIATION /19Z MONDAY THROUGH SATURDAY/...
Short Term...VFR tonight with areas of MVFR ceilings/vsby in
scattered thunderstorms this evening. VFR Tuesday and Tuesday
night.

Long Term...expect VFR Wednesday and Thursday. MVFR/IFR likely in
showers and thunderstorms Friday afternoon through Saturday
morning.

&&

.MARINE...
Short Term...No flags.

Long Term...SCA winds and seas possible Thursday afternoon through
Saturday.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...None.
NH...None.
MARINE...None.

&&

Hazardous weather outlook, Jul 18, 7:44 AM EDT, 11 hours 54 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE GRAY ME
744 AM EDT MON JUL 18 2016

MEZ007>009-012>014-018>028-NHZ001>015-191145-
NORTHERN OXFORD-NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-COASTAL WALDO-
NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-NORTHERN CARROLL-
SOUTHERN GRAFTON-SOUTHERN CARROLL-SULLIVAN-MERRIMACK-BELKNAP-
STRAFFORD-CHESHIRE-EASTERN HILLSBOROUGH-INTERIOR ROCKINGHAM-
COASTAL ROCKINGHAM-WESTERN AND CENTRAL HILLSBOROUGH-
744 AM EDT MON JUL 18 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MAINE...SOUTH CENTRAL
MAINE...SOUTHWEST MAINE...WEST CENTRAL MAINE...WESTERN MAINE...NEW
HAMPSHIRE...CENTRAL NEW HAMPSHIRE...NORTHERN NEW HAMPSHIRE AND
SOUTHERN NEW HAMPSHIRE.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND CONTINUE
THROUGH THE EVENING. A FEW STORMS MAY BECOME SEVERE WITH DAMAGING
WINDS...HEAVY RAIN...AND POSSIBLY HAIL.

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

HEAT INDICES WILL REACH THE LOWER AND MID 90S FRIDAY THROUGH
SUNDAY ACROSS MUCH OF THE AREA.

.SPOTTER INFORMATION STATEMENT...

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

ANZ150>154-191145-
COASTAL WATERS FROM STONINGTON, ME TO PORT CLYDE, ME OUT 25 NM-
PENOBSCOT BAY-
COASTAL WATERS FROM PORT CLYDE, ME TO CAPE ELIZABETH, ME OUT 25 NM-
CASCO BAY-
COASTAL WATERS FROM CAPE ELIZABETH, ME TO MERRIMACK RIVER, MA OUT
25 NM-
744 AM EDT MON JUL 18 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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

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 18, 6:42 PM EDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
642 PM EDT MON JUL 18 2016

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

0642 PM     HAIL             TEMPLE                  44.69N  70.23W
07/18/2016  M1.00 INCH       FRANKLIN           ME   TRAINED SPOTTER

&&

EVENT NUMBER GYX1602141

TFH

Local storm report, Jul 18, 6:44 PM EDT, 54 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GRAY ME
644 PM EDT MON JUL 18 2016

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

0623 PM     HAIL             TEMPLE                  44.69N  70.23W
07/18/2016  M1.00 INCH       FRANKLIN           ME   TRAINED SPOTTER

&&

CORRECTED EVENT TIME

EVENT NUMBER GYX1602141

KIMBLE

Local storm report, Jul 18, 6:55 PM EDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
655 PM EDT MON JUL 18 2016

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

0310 PM     TSTM WND DMG     3 ENE WHITE LAKE STATE  43.86N  71.17W
07/18/2016                   CARROLL            NH   PUBLIC

            NUMEROUS TREES DOWN AROUND SILVER LAKE IN MADISON.

&&

EVENT NUMBER GYX1602142

JENSENIUS

Local storm report, Jul 18, 7:21 PM EDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
721 PM EDT MON JUL 18 2016

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

0637 PM     TSTM WND DMG     PIERMONT                43.97N  72.08W
07/18/2016                   GRAFTON            NH   LAW ENFORCEMENT

            MULTIPLE REPORTS OF DOWNED TREES.

&&

EVENT NUMBER GYX1602143

ARNOTT

Special weather statement, Jul 18, 7:28 PM EDT, 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
728 PM EDT MON JUL 18 2016

MEZ012-018-019-NHZ003>006-009-190000-
INTERIOR CUMBERLAND ME-SOUTHERN OXFORD ME-INTERIOR YORK ME-
SOUTHERN CARROLL NH-NORTHERN CARROLL NH-SOUTHERN GRAFTON NH-
NORTHERN GRAFTON NH-BELKNAP NH-
728 PM EDT MON JUL 18 2016

THE NATIONAL WEATHER SERVICE IN GRAY MAINE HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  INTERIOR CUMBERLAND COUNTY IN MAINE
  SOUTHERN OXFORD COUNTY IN MAINE
  INTERIOR YORK COUNTY IN MAINE
  SOUTHERN CARROLL COUNTY IN NEW HAMPSHIRE
  NORTHERN CARROLL COUNTY IN NEW HAMPSHIRE
  SOUTHERN GRAFTON COUNTY IN NEW HAMPSHIRE
  NORTHERN GRAFTON COUNTY IN NEW HAMPSHIRE
  BELKNAP COUNTY IN NEW HAMPSHIRE

* UNTIL 800 PM EDT

* AT 727 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTH OF
  FRYEBURG TO NEAR TAMWORTH TO NEAR PLYMOUTH...MOVING TO THE EAST AT
  40 MPH.

* WIND GUSTS OF 35 TO 45 MPH ARE EXPECTED WITH THESE STORMS.

* LOCATIONS IMPACTED INCLUDE...
  PLYMOUTH...
  OSSIPEE...
  NAPLES...
  BRIDGTON...
  AND MOULTONBOROUGH.

LAT...LON 4379 7194 4395 7153 4421 7103 4409 7045
      4406 7048 4402 7047 4399 7041 4400 7039
      4399 7036 4372 7077 4351 7133
TIME...MOT...LOC 2325Z 290DEG 36KT 4412 7100 4388 7134 4374 7173

ARNOTT

Local storm report, Jul 18, 7:38 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
738 PM EDT MON JUL 18 2016

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

0330 PM     TSTM WND DMG     LONDONDERRY             42.87N  71.37W
07/18/2016                   ROCKINGHAM         NH   DEPT OF HIGHWAYS

            TREES AND WIRES DOWN AT ON-RAMP OF EXIT 5... I-93

&&

EVENT NUMBER GYX1602144

JENSENIUS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 1:31 AM EDT	Special Weather Statement	GYX	Androscoggin, Cumberland, Kennebec, Lincoln, Sagadahoc, Waldo and 1 more	6 hr
Jul 18, 3:38 AM EDT	Dense Fog Advisory	GYX	Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more	4 hr
Jul 18, 11:36 AM EDT	Special Weather Statement	GYX		54 min
Jul 18, 12:16 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	44 min
Jul 18, 12:55 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	65 min
Jul 18, 1:28 PM EDT	Tornado Warning	GYX	Oxford	32 min
Jul 18, 1:44 PM EDT	Tornado Warning	GYX	Franklin, Somerset	31 min
Jul 18, 1:59 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	61 min
Jul 18, 2:12 PM EDT	Severe Thunderstorm Warning	GYX	Somerset	63 min
Jul 18, 2:20 PM EDT	Tornado Warning	GYX	Franklin	15 min
Jul 18, 2:52 PM EDT	Severe Thunderstorm Warning	GYX	Kennebec, Somerset, Waldo	53 min
Jul 18, 3:18 PM EDT	Areal Flood Advisory	GYX	Somerset	57 min
Jul 18, 3:21 PM EDT	Special Weather Statement	GYX	Cumberland	39 min
Jul 18, 3:30 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	45 min
Jul 18, 3:43 PM EDT	Special Marine Warning	GYX		62 min
Jul 18, 3:57 PM EDT	Special Weather Statement	GYX	Waldo	33 min
Jul 18, 4:20 PM EDT	Special Weather Statement	GYX	Cumberland	40 min
Jul 18, 4:22 PM EDT	Special Weather Statement	GYX	Oxford	38 min
Jul 18, 4:40 PM EDT	Special Marine Warning	GYX		35 min
Jul 18, 5:04 PM EDT	Special Weather Statement	GYX	Franklin	26 min
Jul 18, 5:42 PM EDT	Special Weather Statement	GYX	Franklin	33 min
Jul 18, 6:13 PM EDT	Severe Thunderstorm Warning	GYX	Franklin	47 min
Jul 18, 6:48 PM EDT	Severe Thunderstorm Warning	GYX	Kennebec, Somerset	57 min
Jul 18, 7:45 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Oxford	30 min
Jul 18, 7:48 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	27 min
Jul 18, 7:54 PM EDT	Areal Flood Advisory	GYX	Kennebec, Somerset	66 min

Nearby

Severe Thunderstorm Warnings in Maine, 2016 Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.