Alert archive / Maine / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 18, NWS Caribou, ME
NWS Caribou, ME issued this severe thunderstorm warning at Jul 28, 2018, 9:31 PM EDT for Aroostook County, Penobscot County, Maine. It was in force for 44 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 28, 2018, 9:31 PM EDT (01:31 UTC)
- Expired
- Jul 28, 2018, 10:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Caribou, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Aroostook County, ME, Penobscot County, ME
The radar
The Caribou radar (KCBW), 63 km from the middle of the area, began a volume at 01:35 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, 1.5 hours before the alert went out and 271 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
- 896 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 969 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.0
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 28, 8:43 PM EDT, 48 minutes earlier.
Area forecast discussion, Jul 28, 8:43 PM EDT, 48 minutes before
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</html>Hazardous weather outlook, Jul 28, 3:59 PM EDT, 5 hours 32 minutes before
Hazardous Weather Outlook National Weather Service Caribou ME 359 PM EDT Sat Jul 28 2018 MEZ001>006-010-011-015>017-031-032-292000- Northwest Aroostook-Northeast Aroostook-Northern Somerset- Northern Piscataquis-Northern Penobscot-Southeast Aroostook- Central Piscataquis-Central Penobscot-Southern Penobscot- Interior Hancock-Central Washington-Southern Piscataquis- Northern Washington- 359 PM EDT Sat Jul 28 2018 This Hazardous Weather Outlook is for East Central Maine, Eastern Maine, Far Northern Maine, Interior DownEast Maine, North Central Maine, Northern Maine and West Central Maine. .DAY ONE...This Afternoon and Tonight. Thunderstorms may contain hail and strong winds into late evening. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. MEZ029-030-292000- Coastal Hancock-Coastal Washington- 359 PM EDT Sat Jul 28 2018 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... This Hazardous Weather Outlook is for Coastal DownEast Maine. .DAY ONE...This Afternoon and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Beach Hazards Statement. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. ANZ050>052-292000- 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- 359 PM EDT Sat Jul 28 2018 This Hazardous Weather Outlook is for Atlantic Coastal Waters. .DAY ONE...This Afternoon and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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 28, 8:08 PM EDT, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
808 PM EDT SAT JUL 28 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0255 PM HAIL HAMLIN 47.07N 67.80W
07/28/2018 E1.25 INCH AROOSTOOK ME PUBLIC
&&Special weather statement, Jul 28, 8:10 PM EDT, 1 hour 21 minutes before
Special Weather Statement National Weather Service Caribou ME 810 PM EDT SAT JUL 28 2018 MEZ001-002-004-005-290100- Northern Piscataquis-Northeast Aroostook-Northern Penobscot-Northwest Aroostook- 810 PM EDT SAT JUL 28 2018 ...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN PISCATAQUIS...CENTRAL AROOSTOOK AND NORTH CENTRAL PENOBSCOT COUNTIES... At 810 PM EDT, strong thunderstorms were clustered 13 miles northeast of Chamberlain Lake, or 27 miles southeast of Clayton Lake, moving northeast at 50 mph. Winds in excess of 30 mph and half inch hail are possible with this storm. Locations impacted include... Ashland, Masardis, Oxbow, Caucomgomoc Lake, Russel Crossing, Tamway, Big Machias Lake, Moosehorn Crossing, Chesuncook, Chamberlain Lake, Telos Lake, Nashville Plantation, Baxter State Park and Garfield. This includes State Highway 11 near Masardis. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 4593 6941 4621 6972 4681 6863 4650 6834 TIME...MOT...LOC 0010Z 230DEG 44KT 4635 6910 Bloomer
Special weather statement, Jul 28, 8:21 PM EDT, 1 hour 10 minutes before
Special Weather Statement
National Weather Service Caribou ME
821 PM EDT SAT JUL 28 2018
MEZ010-031-290115-
Southern Piscataquis-Central Piscataquis-
821 PM EDT SAT JUL 28 2018
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN PISCATAQUIS
COUNTY...
At 821 PM EDT, a strong thunderstorm was located 7 miles southwest of
Blanchard, or 16 miles west of Guilford, moving northeast at 30 mph.
Winds in excess of 40 mph and half inch hail are possible with this
storm.
Locations impacted include...
Dover-Foxcroft, Greenville, Guilford, Monson, Blanchard,
Elliottsville, Kingsbury Plantation, Abbot, Shirley, Willimantic,
Beaver Cove, Bowerbank, Kingsbury, Onawa, Barnard and Bald Mountain.
LAT...LON 4557 6934 4527 6917 4511 6966 4512 6965
4528 6971 4530 6970 4538 6973
TIME...MOT...LOC 0021Z 238DEG 25KT 4522 6972
BloomerLocal storm report, Jul 28, 8:38 PM EDT, 53 minutes before
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</html>Special weather statement, Jul 28, 9:10 PM EDT, 21 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 28, 8:10 PM EDT | Special Weather Statement | CAR | Aroostook | 50 min |
| Jul 28, 8:21 PM EDT | Special Weather Statement | CAR | Somerset | 54 min |
| Jul 28, 8:26 PM EDT | Severe Thunderstorm Warning | CAR | Piscataquis | 49 min |
| Jul 28, 9:10 PM EDT | Special Weather Statement | CAR | Aroostook | 50 min |
| Jul 28, 9:16 PM EDT | Special Weather Statement | CAR | Piscataquis | 44 min |
| Jul 28, 9:27 PM EDT | Areal Flood Advisory | CAR | Piscataquis | 2 hr |
| Jul 28, 10:32 PM EDT | Special Weather Statement | CAR | Aroostook | 43 min |
| Jul 28, 10:45 PM EDT | Dense Fog Advisory | CAR | Hancock, Washington | 7 hr |
Nearby
Severe Thunderstorm Warnings in Maine, 2018Every severe thunderstorm warning in 2018
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.