Alert archive / Maine / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 45, NWS Caribou, ME
NWS Caribou, ME issued this severe thunderstorm warning at Jul 31, 2019, 7:23 PM EDT for Hancock County, Washington County, Maine. It was in force for 52 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, 7:23 PM EDT (23:23 UTC)
- Expired
- Jul 31, 2019, 8:15 PM EDT
- In force
- 52 min
- Issued by
- NWS Caribou, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hancock County, ME, Washington County, ME
The radar
The Caribou radar (KCBW), 142 km from the middle of the area, began a volume at 23:22 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, 11.4 hours before the alert went out and 380 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 Caribou, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 31, 4:11 PM EDT, 3 hours 12 minutes earlier.
Area forecast discussion, Jul 31, 4:11 PM EDT, 3 hours 12 minutes before
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Hazardous Weather Outlook National Weather Service Caribou ME 355 AM EDT Wed Jul 31 2019 MEZ001>006-010-011-015>017-029>032-010800- Northwest Aroostook-Northeast Aroostook-Northern Somerset- Northern Piscataquis-Northern Penobscot-Southeast Aroostook- Central Piscataquis-Central Penobscot-Southern Penobscot- Interior Hancock-Central Washington-Coastal Hancock- Coastal Washington-Southern Piscataquis-Northern Washington- 355 AM EDT Wed Jul 31 2019 This Hazardous Weather Outlook is for Central Highlands Maine, Coastal DownEast Maine, Far Eastern Maine, Far Northern Maine, Interior DownEast Maine, North Woods Maine and Penobscot Valley Maine. .DAY ONE...Today and Tonight. A cold front crossing the region today will produce strong thunderstorms with heavy downpours and dangerous cloud to ground lightning. Some of these storms may be accompanied by damaging winds and small hail. Heavy downpours may cause ponding on roads and minor urban and small stream flooding. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. ANZ050>052-010800- Coastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM- Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NM- Intra Coastal Waters from Schoodic Point, ME to Stonington, ME- 355 AM EDT Wed Jul 31 2019 This Hazardous Weather Outlook is for Atlantic Coastal Waters. .DAY ONE...Today and Tonight. Areas of fog will cause poor visibility through tonight. Thunderstorms will move across the waters tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures.
In the hours before
Local storm report, Jul 31, 2:25 PM EDT, 4 hours 58 minutes before
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</html>Special weather statement, Jul 31, 5:44 PM EDT, 1 hour 39 minutes before
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</html>The office that day
Everything else NWS Caribou, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:32 PM EDT | Special Weather Statement | CAR | 28 min | |
| Jul 30, 9:20 PM EDT | Special Weather Statement | CAR | Aroostook | 25 min |
| Jul 30, 9:44 PM EDT | Special Weather Statement | CAR | Aroostook | 46 min |
| Jul 31, 10:27 AM EDT | Special Weather Statement | CAR | Aroostook | 33 min |
| Jul 31, 11:49 AM EDT | Special Weather Statement | CAR | Aroostook | 56 min |
| Jul 31, 3:39 PM EDT | Severe Thunderstorm Warning | CAR | Hancock, Washington | 51 min |
| Jul 31, 4:17 PM EDT | Severe Thunderstorm Warning | CAR | Hancock, Washington | 25 min |
| Jul 31, 4:30 PM EDT | Special Weather Statement | CAR | Washington | 45 min |
| Jul 31, 5:44 PM EDT | Special Weather Statement | CAR | Washington | 31 min |
| Jul 31, 6:49 PM EDT | Areal Flood Advisory | CAR | Penobscot, Piscataquis | 3 hr |
| Jul 31, 7:03 PM EDT | Special Weather Statement | CAR | Washington | 27 min |
Nearby
Severe 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.