Alert archive / Maine / Tornado Warnings in 2021

Tornado Warning 4, NWS Gray, ME

September 15, 2021Cumberland County, Oxford County, Maine

NWS Gray, ME issued this tornado warning at Sep 15, 2021, 4:28 PM EDT for Cumberland County, Oxford County, Maine. It was in force for 32 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: Sep 15, 2021, 4:28 PM EDT (20:28 UTC)
Expired: Sep 15, 2021, 5:00 PM EDT
In force: 32 min
Issued by: NWS Gray, ME
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Cumberland County, ME, Oxford County, ME

The radar

The Portland,ME radar (KGYX), 43 km from the middle of the area, began a volume at 20:27 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
Sep 15, 4:42 PM EDT	TSTM WND DMG	2 Ne Waterford, ME	LARGE 100 FOOT TALL PINE TREE CAME DOWN IN A SPOTTERS YARD WHICH HIT THEIR ROOF AND CRUSHED 2 CARS. TIME ESTIMATED BASED ON RADAR.
Sep 15, 4:48 PM EDT	TSTM WND DMG	1 E Norway, ME	2 TREES DOWN 1/2 MILE EAST OF DOWNTOWN NORWAY. TIME ESTIMATED BY RADAR.
Sep 15, 4:48 PM EDT	HAIL 0.88	1 Nne Oxford, ME	HEAVY RAIN AND NICKEL SIZED HAIL AND FLOODING NEAR SPEEDWAY. TIME ESTIMATED BY RADAR.
Sep 15, 4:50 PM EDT	FUNNEL CLOUD	1 Ese South Paris, ME	RECEIVED CALL FROM PUBLIC WHO SAW A FUNNEL CLOUD AND STRONG ROTATING WINDS NEAR TREE CANOPY NEAR HEBRON RD. IN SOUTH PARIS.

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
Sep 15, 1:15 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 8.5 hours before the alert went out and 43 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: 101 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 468 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 318 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

239 
WFUS51 KGYX 152028
TORGYX
MEC005-017-152100-
/O.NEW.KGYX.TO.W.0004.210915T2028Z-210915T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Gray ME
428 PM EDT Wed Sep 15 2021

The National Weather Service in Gray Maine has issued a

* Tornado Warning for...
  Southern Oxford County in western Maine...
  Northwestern Cumberland County in southwestern Maine...

* Until 500 PM EDT.
    
* At 428 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Waterford, or 7 miles northwest of Bridgton,
  moving east at 40 mph.

  HAZARD...Tornado.

  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...
  Waterford around 440 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Lovell, Sweden, Harrison, Norway, Otisfield, Oxford, Paris, Hebron,
West Paris and Buckfield.

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 4435 7043 4413 7041 4408 7046 4409 7090
      4416 7092
TIME...MOT...LOC 2028Z 254DEG 36KT 4414 7081 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Legro

2 follow-up statements

545 
WWUS51 KGYX 152039
SVSGYX

Severe Weather Statement
National Weather Service Gray ME
439 PM EDT Wed Sep 15 2021

MEC005-017-152100-
/O.CON.KGYX.TO.W.0004.000000T0000Z-210915T2100Z/
Oxford ME-Cumberland ME-
439 PM EDT Wed Sep 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
SOUTHEASTERN OXFORD AND NORTHERN CUMBERLAND COUNTIES...
    
At 439 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Waterford, or 8 miles north of Bridgton, moving east
at 40 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 tornadic thunderstorm will remain over mainly rural areas of
southeastern Oxford and northern Cumberland Counties, including the
following locations... Harrison, Norway, Otisfield, Oxford, Paris,
Hebron, West Paris, Buckfield, Sumner and Sweden.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4435 7043 4413 7041 4408 7046 4411 7074
      4421 7078
TIME...MOT...LOC 2039Z 254DEG 36KT 4417 7066 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Legro

912 
WWUS51 KGYX 152053
SVSGYX

Severe Weather Statement
National Weather Service Gray ME
453 PM EDT Wed Sep 15 2021

MEC005-017-152102-
/O.EXP.KGYX.TO.W.0004.000000T0000Z-210915T2100Z/
Oxford ME-Cumberland ME-
453 PM EDT Wed Sep 15 2021

...THE TORNADO WARNING FOR SOUTHEASTERN OXFORD AND NORTHERN
CUMBERLAND COUNTIES WILL EXPIRE AT 500 PM EDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  However
gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
western and southwestern Maine.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Gray Maine.

LAT...LON 4435 7043 4413 7041 4408 7046 4411 7074
      4421 7078
TIME...MOT...LOC 2052Z 254DEG 36KT 4420 7049 

$$

Legro

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 15, 2:33 AM EDT	Small Craft Advisory	GYX		19 hr
Sep 15, 6:56 AM EDT	Special Weather Statement	GYX	Franklin	64 min
Sep 15, 7:53 AM EDT	Special Weather Statement	GYX	Franklin	52 min
Sep 15, 9:00 AM EDT	Special Weather Statement	GYX	Franklin	45 min
Sep 15, 2:33 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	42 min
Sep 15, 3:04 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	41 min
Sep 15, 3:41 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford, Somerset	49 min
Sep 15, 4:09 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford	51 min
Sep 15, 4:44 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	46 min
Sep 15, 4:58 PM EDT	Severe Thunderstorm Warning	GYX	Somerset	29 min
Sep 15, 5:14 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Kennebec, Oxford, Sagadahoc	46 min
Sep 15, 5:29 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	61 min

Nearby

Tornado Warnings in Maine, 2021 Every tornado warning in 2021 Tornadoes in 2021

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.