Alert archive / Maine / Tornado Warnings in 2017

Tornado Warning 4, NWS Gray, ME

July 1, 2017Carroll County, New Hampshire; Cumberland County, Oxford County, Maine

NWS Gray, ME issued this tornado warning at Jul 1, 2017, 4:13 PM EDT for Carroll County, New Hampshire; Cumberland County, Oxford County, Maine. It was in force for 47 min. 4 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 1, 2017, 4:13 PM EDT (20:13 UTC)
Expired: Jul 1, 2017, 5:00 PM EDT
In force: 47 min
Issued by: NWS Gray, ME
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

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

The radar

The Portland,ME radar (KGYX), 53 km from the middle of the area, began a volume at 20:15 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 1, 4:20 PM EDT	TSTM WND DMG	Fryeburg, ME	TREES AND WIRES DOWN
Jul 1, 4:42 PM EDT	TORNADO	1 S West Bridgton, ME	NWS STORM SURVEY CONFIRMS EF1 TORNADO IN BRIDGTON MAINE. DAMAGE INCLUDED SNAPPED AND UPROOTED TREES AS WELL AS TOPPLED POWER POLES. A DOCK WAS ALSO DAMAGED BY THE DOWNED TREES. THIS DAMAGE WAS CONSISTENT WITH MAXIMUM WINDS OF 100 MPH.
Jul 1, 4:45 PM EDT	TORNADO	West Bridgton, ME	ROADS IMPASSABLE FROM DEBRIS. TREES AND HOUSES DAMAGED ON THOMPSON ROAD... NORTH HIGH STREET... MOUNTAIN ROAD
Jul 1, 4:50 PM EDT	TORNADO	1 Ese West Bridgton, ME	RAIN WRAPPED TORNADO ON GROUND REPERTED BY SOMEONE DRIVING ON 302 NEAR MOOSE POND NEAR SHAWNEE PEAK

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

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 1, 1:19 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 8.2 hours before the alert went out and 53 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: 115 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 547 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

137 
WFUS51 KGYX 012013
TORGYX
MEC005-017-NHC003-012100-
/O.NEW.KGYX.TO.W.0004.170701T2013Z-170701T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Gray ME
413 PM EDT SAT JUL 1 2017

The National Weather Service in Gray Maine has issued a

* Tornado Warning for...
  Southwestern Oxford County in western Maine...
  Northwestern Cumberland County in southwestern Maine...
  East central Carroll County in northern New Hampshire...

* Until 500 PM EDT
    
* At 413 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Conway, moving northeast at 35 mph.

  HAZARD...Tornado and golf ball size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Bridgton around 455 PM EDT. 
  Waterford around 500 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Brownfield, Lovell, Sweden, Harrison, Stoneham, Denmark, Eaton,
Otisfield and Porter.

This also includes...
  Pleasant Mountain, Long Lake, Sabbatus Mountain, and Peary
Mountain.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4387 7100 4398 7111 4426 7082 4405 7058
TIME...MOT...LOC 2013Z 231DEG 28KT 4393 7102 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
ekster

3 follow-up statements

464 
WWUS51 KGYX 012029
SVSGYX

Severe Weather Statement
National Weather Service Gray ME
429 PM EDT SAT JUL 1 2017

NHC003-012038-
/O.CAN.KGYX.TO.W.0004.000000T0000Z-170701T2100Z/
Carroll NH-
429 PM EDT SAT JUL 1 2017

...THE TORNADO WARNING FOR EAST CENTRAL CARROLL COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4395 7093 4402 7099 4419 7074 4405 7058
      4404 7060
TIME...MOT...LOC 2028Z 229DEG 28KT 4400 7090 

$$

MEC005-017-012100-
/O.CON.KGYX.TO.W.0004.000000T0000Z-170701T2100Z/
Oxford ME-Cumberland ME-
429 PM EDT SAT JUL 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
SOUTHWESTERN OXFORD AND NORTHWESTERN CUMBERLAND COUNTIES...
    
At 428 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Fryeburg, moving northeast at 30 mph.

HAZARD...Tornado and golf ball size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Bridgton around 455 PM EDT. 
  Waterford around 500 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Sweden, Harrison, Denmark, Brownfield and Otisfield.

This also includes...
  Pleasant Mountain, Long Lake, and Peary Mountain.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4395 7093 4402 7099 4419 7074 4405 7058
      4404 7060
TIME...MOT...LOC 2028Z 229DEG 28KT 4400 7090 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
mle

059 
WWUS51 KGYX 012042
SVSGYX

Severe Weather Statement
National Weather Service Gray ME
442 PM EDT SAT JUL 1 2017

MEC005-017-012100-
/O.CON.KGYX.TO.W.0004.000000T0000Z-170701T2100Z/
Oxford ME-Cumberland ME-
442 PM EDT SAT JUL 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR SOUTH
CENTRAL OXFORD AND NORTHWESTERN CUMBERLAND COUNTIES...
    
At 442 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Bridgton, moving northeast at 20 mph.

HAZARD...Tornado and half dollar size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Bridgton around 500 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Harrison, Sweden and Denmark.

This also includes...
  Pleasant Mountain.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4399 7083 4405 7089 4419 7074 4406 7060
TIME...MOT...LOC 2042Z 228DEG 18KT 4404 7083 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$
mle

444 
WWUS51 KGYX 012051
SVSGYX

Severe Weather Statement
National Weather Service Gray ME
451 PM EDT SAT JUL 1 2017

MEC005-017-012100-
/O.CON.KGYX.TO.W.0004.000000T0000Z-170701T2100Z/
Oxford ME-Cumberland ME-
451 PM EDT SAT JUL 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR SOUTH
CENTRAL OXFORD AND NORTHWESTERN CUMBERLAND COUNTIES...
    
At 451 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Bridgton, moving northeast at 15 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Bridgton around 500 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Harrison, Sweden and Denmark.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4402 7080 4406 7086 4419 7074 4409 7063
TIME...MOT...LOC 2051Z 216DEG 15KT 4407 7080 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
MLE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 10:32 AM EDT	Special Weather Statement	GYX	Merrimack	28 min
Jul 1, 11:01 AM EDT	Special Weather Statement	GYX	Sullivan	29 min
Jul 1, 12:14 PM EDT	Special Weather Statement	GYX	Grafton	61 min
Jul 1, 1:13 PM EDT	Special Weather Statement	GYX	Grafton	62 min
Jul 1, 1:34 PM EDT	Severe Thunderstorm Warning	GYX	Carroll, Grafton	41 min
Jul 1, 1:46 PM EDT	Tornado Warning	GYX	Carroll, Grafton	26 min
Jul 1, 3:18 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	57 min
Jul 1, 3:23 PM EDT	Tornado Warning	GYX	Grafton	14 min
Jul 1, 3:45 PM EDT	Beach Hazards Statement	GYX	Rockingham	29 hr
Jul 1, 3:46 PM EDT	Special Weather Statement	GYX	Carroll	29 min
Jul 1, 3:51 PM EDT	Severe Thunderstorm Warning	GYX	Carroll	39 min
Jul 1, 4:02 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	58 min
Jul 1, 4:08 PM EDT	Areal Flood Advisory	GYX	Coos, Grafton	2 hr
Jul 1, 4:19 PM EDT	Flash Flood Warning	GYX	Coos, Grafton	116 min
Jul 1, 4:40 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Coos, Grafton	65 min
Jul 1, 5:01 PM EDT	Tornado Warning	GYX	Carroll	21 min
Jul 1, 5:04 PM EDT	Severe Thunderstorm Warning	GYX	Grafton, Sullivan	56 min
Jul 1, 5:10 PM EDT	Flash Flood Warning	GYX	Carroll, Coos, Grafton	2 hr
Jul 1, 5:39 PM EDT	Flash Flood Warning	GYX	Belknap, Grafton, Merrimack, Sullivan	2 hr
Jul 1, 5:48 PM EDT	Severe Thunderstorm Warning	GYX	Carroll	42 min
Jul 1, 5:50 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton, Merrimack	55 min
Jul 1, 6:19 PM EDT	Areal Flood Warning	GYX	Coos, Grafton	116 min
Jul 1, 6:36 PM EDT	River Flood Warning	GYX	Grafton	17 hr
Jul 1, 6:58 PM EDT	Flash Flood Warning	GYX	Carroll	3 hr
Jul 1, 7:16 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Grafton, Hillsborough, Merrimack, Sullivan	59 min
Jul 1, 7:58 PM EDT	Flash Flood Warning	GYX	Grafton, Sullivan	2 hr
Jul 1, 2:04 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Oxford	41 min
Jul 1, 2:22 PM EDT	Tornado Warning	GYX	Cumberland	23 min
Jul 1, 3:39 PM EDT	Small Craft Advisory	GYX		16 hr
Jul 1, 4:59 PM EDT	Tornado Warning	GYX	Cumberland, Oxford	28 min
Jul 1, 5:26 PM EDT	Severe Thunderstorm Warning	GYX	Oxford	64 min
Jul 1, 6:12 PM EDT	Flash Flood Warning	GYX	Cumberland, Franklin, Oxford	2 hr
Jul 1, 6:22 PM EDT	Tornado Warning	GYX	Androscoggin, Cumberland, Oxford	27 min
Jul 1, 6:32 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Franklin, Oxford	43 min
Jul 1, 7:04 PM EDT	Special Weather Statement	GYX	Franklin	56 min
Jul 1, 7:12 PM EDT	Special Weather Statement	GYX	Androscoggin	33 min
Jul 1, 7:38 PM EDT	Flash Flood Warning	GYX	Franklin, Kennebec, Somerset	6 hr
Jul 1, 7:49 PM EDT	Special Weather Statement	GYX	Cumberland	56 min

Nearby

Tornado Warnings in Maine, 2017 Tornado Warnings in New Hampshire, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.