Alert archive / New Hampshire / Wind Advisories in 2021

Wind Advisory 8, NWS Gray, ME

April 16, 2021Rockingham County, New Hampshire; York County, Maine

NWS Gray, ME issued this wind advisory at Apr 16, 2021, 3:17 AM EDT for Rockingham County, New Hampshire; York County, Maine. It took effect at Apr 16, 2021, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 16, 2021, 3:17 AM EDT (07:17 UTC)
In effect from
Apr 16, 2021, 8:00 AM EDT
Expired
Apr 16, 2021, 7:53 PM EDT
In force
12 hr
Issued by
NWS Gray, ME

Counties York County, ME, Rockingham County, NH

The radar

The Portland,ME radar (KGYX), 91 km from the middle of the area, began a volume at 07:21 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 00:00Z, 7.3 hours before the alert went out and 91 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 00:00Z on 2021-04-16Temperature 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 00:00Z on 2021-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.19395878Sfc1 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
1400 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

096 
WWUS71 KGYX 160717
NPWGYX

URGENT - WEATHER MESSAGE
National Weather Service Gray ME
317 AM EDT Fri Apr 16 2021

NHZ014-161530-
/O.NEW.KGYX.WI.Y.0008.210416T1200Z-210416T2200Z/
Coastal Rockingham-
Including the cities of Greenland, Portsmouth, Rye, Hampton, 
Hampton Falls, North Hampton, and Seabrook
317 AM EDT Fri Apr 16 2021

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 6 PM EDT
THIS EVENING...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Coastal Rockingham County.

* WHEN...From 8 AM this morning to 6 PM EDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
3 follow-up statements
448 
WWUS71 KGYX 161532
NPWGYX

URGENT - WEATHER MESSAGE
National Weather Service Gray ME
1132 AM EDT Fri Apr 16 2021

NHZ014-162200-
/O.CON.KGYX.WI.Y.0008.000000T0000Z-210416T2200Z/
Coastal Rockingham-
Including the cities of Greenland, Portsmouth, Rye, Hampton, 
Hampton Falls, North Hampton, and Seabrook
1132 AM EDT Fri Apr 16 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Coastal Rockingham County.

* WHEN...Until 6 PM EDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
631 
WWUS71 KGYX 162052
NPWGYX

URGENT - WEATHER MESSAGE
National Weather Service Gray ME
452 PM EDT Fri Apr 16 2021

MEZ023-170000-
/O.EXB.KGYX.WI.Y.0008.000000T0000Z-210417T0000Z/
Coastal York-
Including the cities of Biddeford, Saco, Old Orchard Beach, 
and Kittery
452 PM EDT Fri Apr 16 2021

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph
  along the immediate coast.  

* WHERE...Coastal York County.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

NHZ014-170000-
/O.EXT.KGYX.WI.Y.0008.000000T0000Z-210417T0000Z/
Coastal Rockingham-
Including the cities of Greenland, Portsmouth, Rye, Hampton, 
Hampton Falls, North Hampton, and Seabrook
452 PM EDT Fri Apr 16 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph
  along the immediate coast.  

* WHERE...Coastal Rockingham County.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

ARNOTT
416 
WWUS71 KGYX 162353
NPWGYX

URGENT - WEATHER MESSAGE
National Weather Service Gray ME
753 PM EDT Fri Apr 16 2021

MEZ023-NHZ014-170100-
/O.CAN.KGYX.WI.Y.0008.000000T0000Z-210417T0000Z/
Coastal York-Coastal Rockingham-
Including the cities of Biddeford, Saco, Old Orchard Beach, 
Kittery, Greenland, Portsmouth, Rye, Hampton, Hampton Falls, 
North Hampton, and Seabrook
753 PM EDT Fri Apr 16 2021

...WIND ADVISORY IS CANCELLED...

Winds will continue to gradually diminish through the evening 
hours...but will remain gusty overnight.  

$$

ARNOTT

Nearby

Wind Advisories in New Hampshire, 2021Wind Advisories in Maine, 2021Every wind advisory 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.