Alert archive / Maine / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Gray, ME

March 26, 20215 counties in Maine

NWS Gray, ME issued this severe thunderstorm warning at Mar 26, 2021, 5:22 PM EDT for 5 counties in Maine. 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 outline as issued.

The facts

Issued
Mar 26, 2021, 5:22 PM EDT (21:22 UTC)
Expired
Mar 26, 2021, 6:00 PM EDT
In force
38 min
Issued by
NWS Gray, ME
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Androscoggin County, ME, Cumberland County, ME, Kennebec County, ME, Lincoln County, ME, Sagadahoc County, ME

The radar

The Portland,ME radar (KGYX), 28 km from the middle of the area, began a volume at 21:23 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

Gray, ME (KGYX), launched 12:00Z, 9.4 hours before the alert went out and 28 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, Gray, ME at 12:00Z on 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
485 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
356 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

685 
WUUS51 KGYX 262122
SVRGYX
MEC001-005-011-015-023-262200-
/O.NEW.KGYX.SV.W.0003.210326T2122Z-210326T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
522 PM EDT Fri Mar 26 2021

The National Weather Service in Gray Maine has issued a

* Severe Thunderstorm Warning for...
  South central Kennebec County in south central Maine...
  Southeastern Androscoggin County in southwestern Maine...
  Northwestern Lincoln County in south central Maine...
  East central Cumberland County in southwestern Maine...
  Sagadahoc County in south central Maine...

* Until 600 PM EDT.

* At 522 PM EDT, a severe thunderstorm was located near Lewiston,
  moving east at 55 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Lewiston, Brunswick, Bath, Gardiner, Damariscotta, Topsham,
  Wiscasset, Freeport, Litchfield, Bristol, Bremen, Woolwich, Lisbon,
  Greene, Durham, Bowdoin, Bowdoinham, Chelsea, Jefferson and
  Dresden.

This includes the following highways...
 Interstate 295 between mile markers 24 and 51.
 Interstate 95 between mile markers 76 and 101.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4386 7023 4412 7027 4426 6957 4396 6946
TIME...MOT...LOC 2122Z 263DEG 46KT 4404 7012 

HAIL...0.75IN
WIND...60MPH
 
$$

Clair
1 follow-up statement
629 
WWUS51 KGYX 262143
SVSGYX

Severe Weather Statement
National Weather Service Gray ME
543 PM EDT Fri Mar 26 2021

MEC001-262152-
/O.CAN.KGYX.SV.W.0003.000000T0000Z-210326T2200Z/
Androscoggin ME-
543 PM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ANDROSCOGGIN
COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4389 6999 4419 6995 4426 6957 4396 6946
TIME...MOT...LOC 2142Z 263DEG 46KT 4407 6975 

$$

MEC005-011-015-023-262200-
/O.CON.KGYX.SV.W.0003.000000T0000Z-210326T2200Z/
Kennebec ME-Lincoln ME-Cumberland ME-Sagadahoc ME-
543 PM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTH CENTRAL KENNEBEC...NORTHWESTERN LINCOLN...EASTERN
CUMBERLAND AND NORTHERN SAGADAHOC COUNTIES...

At 542 PM EDT, a severe thunderstorm was located near Wiscasset,
moving east at 55 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Brunswick, Bath, Gardiner, Damariscotta, Topsham, Wiscasset,
Litchfield, Bristol, Bremen, Woolwich, Bowdoin, Bowdoinham, Chelsea,
Jefferson, Dresden, Edgecomb, Alna, Whitefield, Newcastle and
Pittston.

This includes the following highways...
 Interstate 295 between mile markers 31 and 51.
 Interstate 95 between mile markers 94 and 102.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4389 6999 4419 6995 4426 6957 4396 6946
TIME...MOT...LOC 2142Z 263DEG 46KT 4407 6975 

HAIL...0.75IN
WIND...60MPH
 
$$

Clair

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 8:46 PM EDTDense Fog AdvisoryGYXAndroscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 3 more15 hr
Mar 26, 3:30 AM EDTGale WarningGYX27 hr
Mar 26, 12:21 PM EDTSpecial Weather StatementGYXAndroscoggin24 min
Mar 26, 4:19 PM EDTSevere Thunderstorm WarningGYXCumberland, Oxford, York41 min
Mar 26, 4:52 PM EDTSevere Thunderstorm WarningGYXCumberland, York38 min
Mar 26, 5:09 PM EDTSpecial Weather StatementGYXAndroscoggin, Sagadahoc36 min
Mar 26, 5:29 PM EDTSpecial Weather StatementGYXCumberland31 min
Mar 26, 5:54 PM EDTSpecial Marine WarningGYX66 min
Mar 26, 6:00 PM EDTSpecial Weather StatementGYXKnox, Lincoln45 min

Nearby

Severe Thunderstorm Warnings in Maine, 2021Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.