Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 29, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Jul 31, 2019, 2:58 PM EDT for York County, Maine; Rockingham County, Strafford County, New Hampshire. It was in force for 47 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
- Jul 31, 2019, 2:58 PM EDT (18:58 UTC)
- Expired
- Jul 31, 2019, 3:45 PM EDT
- In force
- 47 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, Strafford County, NH
The radar
The Portland,ME radar (KGYX), 91 km from the middle of the area, began a volume at 18:57 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
Chatham, MA (KCHH), launched 12:00Z, 7.0 hours before the alert went out and 191 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
- 412 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 31, 12:14 PM EDT, 2 hours 44 minutes earlier.
Area forecast discussion, Jul 31, 12:14 PM EDT, 2 hours 44 minutes before
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</html>Hazardous weather outlook, Jul 31, 2:37 PM EDT, 21 minutes before
Hazardous Weather Outlook National Weather Service Gray ME 237 PM EDT Wed Jul 31 2019 MEZ007>009-012>014-018>028-NHZ001>015-011845- Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford- Southern Franklin-Southern Somerset-Interior York- Interior Cumberland-Androscoggin-Kennebec-Interior Waldo- Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-Knox-Coastal Waldo- Northern Coos-Southern Coos-Northern Grafton-Northern Carroll- Southern Grafton-Southern Carroll-Sullivan-Merrimack-Belknap- Strafford-Cheshire-Eastern Hillsborough-Interior Rockingham- Coastal Rockingham-Western And Central Hillsborough- 237 PM EDT Wed Jul 31 2019 This Hazardous Weather Outlook is for Maine, south central Maine, southwest Maine, west central Maine, western Maine, New Hampshire, central New Hampshire, northern New Hampshire and southern New Hampshire. .DAY ONE...This Afternoon and Tonight. Isolated strong to severe thunderstorms are possible this afternoon into this evening. Localized heavy rain and damaging winds are possible. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ150>154-011845- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- Penobscot Bay- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- Casco Bay- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 237 PM EDT Wed Jul 31 2019 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...This Afternoon and Tonight. Isolated afternoon and evening thunderstorms may produce localized strong winds. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 9:07 PM EDT | Special Weather Statement | GYX | Oxford | 38 min |
| Jul 30, 9:21 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin, Cumberland, Franklin, Oxford | 39 min |
| Jul 30, 9:58 PM EDT | Special Weather Statement | GYX | Kennebec | 32 min |
| Jul 31, 3:41 PM EDT | Severe Thunderstorm Warning | GYX | York | 49 min |
| Jul 31, 3:52 PM EDT | Special Marine Warning | GYX | 113 min | |
| Jul 31, 3:56 PM EDT | Severe Thunderstorm Warning | GYX | York | 27 min |
| Jul 31, 4:41 PM EDT | Severe Thunderstorm Warning | GYX | Kennebec, Lincoln, Sagadahoc | 49 min |
| Jul 31, 5:29 PM EDT | Special Weather Statement | GYX | Lincoln | 31 min |
| Jul 31, 5:34 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford | 41 min |
| Jul 31, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | Knox, Lincoln, Waldo | 55 min |
| Jul 31, 5:54 PM EDT | Special Marine Warning | GYX | 66 min | |
| Jul 31, 6:41 PM EDT | Special Weather Statement | GYX | Kennebec | 64 min |
| Jul 30, 8:22 PM EDT | Special Weather Statement | GYX | Carroll | 53 min |
| Jul 31, 5:49 AM EDT | Special Weather Statement | GYX | Coos | 41 min |
| Jul 31, 5:03 PM EDT | Special Weather Statement | GYX | Grafton | 27 min |
| Jul 31, 5:59 PM EDT | Special Weather Statement | GYX | Carroll | 61 min |
Nearby
Severe Thunderstorm Warnings in New Hampshire, 2019Severe Thunderstorm Warnings in Maine, 2019Every 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.