Alert archive / Maine / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 65, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Jul 23, 2021, 2:24 PM EDT for Oxford County, York County, Maine; Carroll County, New Hampshire. It was in force for 51 min. 5 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 23, 2021, 2:24 PM EDT (18:24 UTC)
- Expired
- Jul 23, 2021, 3:15 PM EDT
- In force
- 51 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Oxford County, ME, York County, ME, Carroll County, NH
The radar
The Portland,ME radar (KGYX), 70 km from the middle of the area, began a volume at 18:27 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 |
|---|---|---|---|
| Jul 23, 2:25 PM EDT | TSTM WND DMG | 2 Se Madison, NH | SEVERAL TREE BRANCHES DOWN ACROSS THE AREA. TIME ESTIMATED BASED ON RADAR. |
| Jul 23, 2:25 PM EDT | TSTM WND DMG | Madison, NH | MULTIPLE BRANCHES DOWN DUE TO THUNDERSTORM WINDS. |
| Jul 23, 2:25 PM EDT | HAIL 1.75 | 2 Se Madison, NH | GOLF BALL SIZE HAIL REPORTED, WHICH CRACKED A CAR WINDSHIELD. |
| Jul 23, 2:50 PM EDT | TSTM WND DMG | 3 W Freedom, NH | A TREE DOWN ALONG WITH SEVERAL TREE LIMBS ON BENNETT ROAD. |
| Jul 23, 2:50 PM EDT | HAIL 1 | 3 W Freedom, NH | BENNETT ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 6.4 hours before the alert went out and 70 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.
- Mixed-layer CAPE
- 16 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1504 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
316
WUUS51 KGYX 231824
SVRGYX
MEC017-031-NHC003-231915-
/O.NEW.KGYX.SV.W.0065.210723T1824Z-210723T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gray ME
224 PM EDT Fri Jul 23 2021
The National Weather Service in Gray Maine has issued a
* Severe Thunderstorm Warning for...
Western York County in southwestern Maine...
Southern Oxford County in western Maine...
Southeastern Carroll County in northern New Hampshire...
* Until 315 PM EDT.
* At 224 PM EDT, a severe thunderstorm was located near Tamworth, or
7 miles south of Conway, moving south at 15 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Conway, Ossipee, Effingham, Tamworth, Wolfeboro, Madison, Freedom,
Eaton, Tuftonboro, Parsonsfield, Porter, Newfield and Wakefield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4393 7122 4395 7105 4364 7091 4361 7124
TIME...MOT...LOC 1824Z 351DEG 15KT 4387 7113
HAIL...1.25IN
WIND...60MPH
$$
MSC1 follow-up statement
551
WWUS51 KGYX 231854
SVSGYX
Severe Weather Statement
National Weather Service Gray ME
254 PM EDT Fri Jul 23 2021
MEC017-231903-
/O.CAN.KGYX.SV.W.0065.000000T0000Z-210723T1915Z/
Oxford ME-
254 PM EDT Fri Jul 23 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN OXFORD COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4380 7123 4382 7099 4379 7099 4379 7098
4364 7091 4361 7124
TIME...MOT...LOC 1853Z 351DEG 15KT 4375 7110
$$
MEC031-NHC003-231915-
/O.CON.KGYX.SV.W.0065.000000T0000Z-210723T1915Z/
York ME-Carroll NH-
254 PM EDT Fri Jul 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR WESTERN YORK AND SOUTHEASTERN CARROLL COUNTIES...
At 253 PM EDT, a severe thunderstorm was located near Ossipee, moving
south at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Ossipee, Effingham, Wolfeboro, Freedom, Tuftonboro, Parsonsfield,
Newfield and Wakefield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4380 7123 4382 7099 4379 7099 4379 7098
4364 7091 4361 7124
TIME...MOT...LOC 1853Z 351DEG 15KT 4375 7110
HAIL...0.75IN
WIND...60MPH
$$
KimbleThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 12:20 PM EDT | Special Weather Statement | GYX | York | 25 min |
| Jul 23, 12:29 PM EDT | Special Weather Statement | GYX | Kennebec | 31 min |
| Jul 23, 12:38 PM EDT | Special Weather Statement | GYX | York | 37 min |
| Jul 23, 12:47 PM EDT | Special Weather Statement | GYX | Oxford | 28 min |
| Jul 23, 12:57 PM EDT | Severe Thunderstorm Warning | GYX | York | 33 min |
| Jul 23, 1:05 PM EDT | Special Weather Statement | GYX | Androscoggin | 25 min |
| Jul 23, 1:09 PM EDT | Special Weather Statement | GYX | Kennebec | 36 min |
| Jul 23, 1:30 PM EDT | Special Weather Statement | GYX | Androscoggin | 30 min |
| Jul 23, 1:41 PM EDT | Special Weather Statement | GYX | Kennebec | 34 min |
| Jul 23, 1:45 PM EDT | Special Weather Statement | GYX | York | 30 min |
| Jul 23, 1:57 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, Oxford, York | 27 min |
| Jul 23, 2:05 PM EDT | Special Weather Statement | GYX | Sagadahoc | 25 min |
| Jul 23, 2:09 PM EDT | Special Weather Statement | GYX | Kennebec | 36 min |
| Jul 23, 2:13 PM EDT | Severe Thunderstorm Warning | GYX | York | 27 min |
| Jul 23, 2:16 PM EDT | Special Marine Warning | GYX | 26 min | |
| Jul 23, 2:21 PM EDT | Special Weather Statement | GYX | Somerset | 39 min |
| Jul 23, 2:50 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, Sagadahoc | 25 min |
| Jul 23, 2:56 PM EDT | Special Marine Warning | GYX | 34 min | |
| Jul 23, 3:13 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, Sagadahoc | 32 min |
| Jul 23, 3:19 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin, Franklin, Kennebec, Oxford | 41 min |
| Jul 23, 3:25 PM EDT | Severe Thunderstorm Warning | GYX | Kennebec, Somerset | 23 min |
| Jul 23, 3:27 PM EDT | Special Marine Warning | GYX | 48 min | |
| Jul 23, 3:34 PM EDT | Special Weather Statement | GYX | Androscoggin | 26 min |
| Jul 23, 3:39 PM EDT | Coastal Flood Statement | GYX | Cumberland, York | 10 hr |
| Jul 23, 3:39 PM EDT | Special Marine Warning | GYX | 66 min | |
| Jul 23, 3:41 PM EDT | Special Weather Statement | GYX | Knox | 34 min |
| Jul 23, 4:00 PM EDT | Special Weather Statement | GYX | Androscoggin | 30 min |
| Jul 23, 4:09 PM EDT | Special Weather Statement | GYX | Androscoggin | 36 min |
| Jul 23, 4:14 PM EDT | Special Weather Statement | GYX | Oxford | 31 min |
| Jul 23, 4:22 PM EDT | Special Weather Statement | GYX | Kennebec | 23 min |
| Jul 23, 4:44 PM EDT | Special Weather Statement | GYX | Androscoggin, Kennebec | 31 min |
| Jul 23, 4:57 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin, Cumberland, Oxford | 33 min |
| Jul 23, 5:23 PM EDT | Special Weather Statement | GYX | Lincoln | 22 min |
| Jul 23, 5:28 PM EDT | Special Weather Statement | GYX | Cumberland, Sagadahoc | 32 min |
| Jul 23, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland, Oxford | 18 min |
| Jul 23, 5:53 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland | 37 min |
| Jul 23, 6:17 PM EDT | Severe Thunderstorm Warning | GYX | Cumberland | 43 min |
| Jul 23, 6:19 PM EDT | Special Marine Warning | GYX | 56 min | |
| Jul 23, 6:30 PM EDT | Special Weather Statement | GYX | York | 30 min |
| Jul 23, 6:57 PM EDT | Special Weather Statement | GYX | York | 18 min |
| Jul 23, 7:06 PM EDT | Special Weather Statement | GYX | York | 24 min |
| Jul 23, 12:31 PM EDT | Special Weather Statement | GYX | Coos | 29 min |
| Jul 23, 12:53 PM EDT | Special Weather Statement | GYX | Hillsborough | 37 min |
| Jul 23, 1:20 PM EDT | Special Weather Statement | GYX | Belknap | 25 min |
| Jul 23, 1:37 PM EDT | Special Weather Statement | GYX | Carroll | 23 min |
| Jul 23, 1:52 PM EDT | Special Weather Statement | GYX | Carroll | 23 min |
| Jul 23, 2:16 PM EDT | Special Weather Statement | GYX | Carroll | 29 min |
| Jul 23, 2:36 PM EDT | Special Weather Statement | GYX | Belknap | 24 min |
| Jul 23, 2:42 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Grafton | 33 min |
| Jul 23, 3:35 PM EDT | Special Weather Statement | GYX | Coos | 25 min |
| Jul 23, 3:38 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 21 min |
| Jul 23, 4:18 PM EDT | Special Weather Statement | GYX | Merrimack | 27 min |
| Jul 23, 4:27 PM EDT | Special Weather Statement | GYX | Rockingham | 33 min |
| Jul 23, 4:38 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 18 min |
| Jul 23, 4:43 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 47 min |
| Jul 23, 5:18 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 42 min |
| Jul 23, 5:59 PM EDT | Special Weather Statement | GYX | Coos | 31 min |
| Jul 23, 6:25 PM EDT | Special Weather Statement | GYX | Grafton | 35 min |
| Jul 23, 7:35 PM EDT | Special Weather Statement | GYX | Carroll | 25 min |
Nearby
Severe Thunderstorm Warnings in Maine, 2021Severe Thunderstorm Warnings in New Hampshire, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.