Alert archive / Maine / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 113, NWS Gray, ME

September 22, 2022York County, Maine; Rockingham County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Sep 22, 2022, 8:12 AM EDT for York County, Maine; Rockingham County, New Hampshire. It was in force for 33 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
Sep 22, 2022, 8:12 AM EDT (12:12 UTC)
Expired
Sep 22, 2022, 8:45 AM EDT
In force
33 min
Issued by
NWS Gray, ME
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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 12:12 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

Brookhaven, NY (KOKX), launched 12:00Z, 0.2 hours before the alert went out and 308 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, Brookhaven, NY at 12:00Z on 2022-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 241 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2022-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
241 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1046 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.2

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 3:03 AM EDTSmall Craft AdvisoryGYX12 hr
Sep 22, 4:28 AM EDTSpecial Weather StatementGYXSomerset47 min
Sep 22, 8:15 AM EDTSpecial Marine WarningGYX60 min
Sep 22, 1:25 PM EDTAreal Flood AdvisoryGYXAndroscoggin, Cumberland, Sagadahoc, York110 min
Sep 22, 3:15 PM EDTGale WarningGYX48 hr
Sep 22, 8:02 AM EDTSpecial Weather StatementGYXRockingham28 min

Nearby

Severe Thunderstorm Warnings in Maine, 2022Severe Thunderstorm Warnings in New Hampshire, 2022Every severe thunderstorm warning in 2022

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.