Alert archive / Maine / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 7, NWS Gray, ME

June 27, 2019Somerset County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Jun 27, 2019, 1:29 PM EDT for Somerset County, Maine. It was in force for 46 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: Jun 27, 2019, 1:29 PM EDT (17:29 UTC)
Expired: Jun 27, 2019, 2:15 PM EDT
In force: 46 min
Issued by: NWS Gray, ME
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Somerset County, ME

The radar

The Caribou radar (KCBW), 177 km from the middle of the area, began a volume at 17:29 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

Caribou, ME (KCAR), launched 12:00Z, 5.5 hours before the alert went out and 213 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 27, 10:25 AM EDT, 3 hours 4 minutes earlier.

Area forecast discussion, Jun 27, 10:25 AM EDT, 3 hours 4 minutes before

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Hazardous weather outlook, Jun 27, 2:55 AM EDT, 10 hours 34 minutes before

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In the hours before

Local storm report, Jun 27, 11:13 AM EDT, 2 hours 16 minutes before

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Special weather statement, Jun 27, 11:13 AM EDT, 2 hours 16 minutes before

Special Weather Statement
National Weather Service Gray ME
1113 AM EDT Thu Jun 27 2019

MEZ009-271545-
Central Somerset-
1113 AM EDT Thu Jun 27 2019

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL SOMERSET COUNTY...

At 1113 AM EDT, a strong thunderstorm was located 7 miles east of
Eustis, moving southeast at 15 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Eustis, Dead River, Pierce Pond, Flagstaff, Bigelow, King And
Bartlett and Carrying Place.

This also includes...
  The Bigelows and Pierce Pond.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4526 7003 4512 7022 4511 7029 4512 7029
      4517 7031 4516 7036 4515 7036 4520 7044
      4526 7045 4537 7032
TIME...MOT...LOC 1513Z 310DEG 12KT 4526 7033

Kimble

Local storm report, Jun 27, 11:20 AM EDT, 2 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
1120 AM EDT THU JUN 27 2019

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

0100 AM     HEAVY RAIN       4 WSW EFFINGHAM         43.74N  71.07W
06/27/2019  M2.00 INCH       CARROLL            NH   TRAINED SPOTTER

            FELL IN 45 MINUTES

&&

EVENT NUMBER GYX1903722

HAWLEY

Special weather statement, Jun 27, 1:13 PM EDT, 16 minutes before

Special Weather Statement
National Weather Service Gray ME
113 PM EDT Thu Jun 27 2019

MEZ009-271745-
Central Somerset-
113 PM EDT Thu Jun 27 2019

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL SOMERSET COUNTY...

At 111 PM EDT, a strong thunderstorm was located 12 miles south of
Jackman, moving southeast at 10 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Jackman, Hobbstown, Parlin Pond, Johnson Mountain, Misery, Upper
Enchanted, Pierce Pond, Chase Stream, West Fork Plantation, Attean,
Sapling and King And Bartlett.

If you are on or near Spencer Lake, get out of the water and move
indoors or inside a vehicle. Remember, lightning can strike out to
10 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.

LAT...LON 4539 7040 4556 7030 4559 6982 4527 7012
TIME...MOT...LOC 1711Z 292DEG 10KT 4545 7026

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 11:27 PM EDT	Special Weather Statement	GYX	Cumberland	63 min
Jun 27, 11:13 AM EDT	Special Weather Statement	GYX	Franklin	32 min
Jun 27, 1:13 PM EDT	Special Weather Statement	GYX	Somerset	32 min
Jun 27, 1:55 PM EDT	Severe Thunderstorm Warning	GYX	Somerset	30 min
Jun 27, 2:42 PM EDT	Special Weather Statement	GYX	Franklin	33 min
Jun 27, 3:13 PM EDT	Special Weather Statement	GYX	Oxford	32 min
Jun 27, 3:42 PM EDT	Special Weather Statement	GYX	Oxford	33 min
Jun 27, 3:49 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Franklin, Oxford	41 min
Jun 27, 4:26 PM EDT	Special Weather Statement	GYX	Androscoggin	34 min
Jun 26, 8:30 PM EDT	Special Weather Statement	GYX	Coos	45 min
Jun 26, 8:34 PM EDT	Special Weather Statement	GYX	Coos	41 min
Jun 26, 8:40 PM EDT	Special Weather Statement	GYX	Grafton	50 min
Jun 26, 9:11 PM EDT	Special Weather Statement	GYX	Cheshire	34 min
Jun 26, 9:24 PM EDT	Special Weather Statement	GYX	Grafton	51 min
Jun 26, 9:43 PM EDT	Special Weather Statement	GYX	Cheshire	32 min
Jun 26, 9:50 PM EDT	Special Weather Statement	GYX	Grafton	40 min
Jun 26, 10:26 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton, Merrimack	34 min
Jun 26, 10:57 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton	48 min
Jun 26, 11:05 PM EDT	Areal Flood Advisory	GYX	Belknap, Carroll, Grafton, Merrimack	55 min
Jun 26, 11:31 PM EDT	Special Weather Statement	GYX	Belknap	44 min
Jun 27, 12:13 AM EDT	Special Weather Statement	GYX	Strafford	32 min

Nearby

Severe Thunderstorm Warnings in Maine, 2019 Every severe thunderstorm warning in 2019

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.