Alert archive / Maine / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 187
The Storm Prediction Center issued this severe thunderstorm watch at May 26, 2014, 2:14 PM EDT for 15 counties in Maine; Coos County, New Hampshire. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 26, 2014, 2:14 PM EDT (18:14 UTC)
- Expired
- May 26, 2014, 8:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Androscoggin County, ME, Aroostook County, ME, Cumberland County, ME, Franklin County, ME, Hancock County, ME, Kennebec County, ME, Knox County, ME, Lincoln County, ME, Oxford County, ME, Penobscot County, ME, Piscataquis County, ME, Sagadahoc County, ME, Somerset County, ME, Waldo County, ME, Washington County, ME, Coos County, NH
The radar
The Portland,ME radar (KGYX), 153 km from the middle of the area, began a volume at 18:15 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 2:17 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 43 min |
| May 26, 2:40 PM EDT | Severe Thunderstorm Warning | CAR | Washington | 50 min |
| May 26, 2:53 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 22 min |
| May 26, 3:24 PM EDT | Severe Thunderstorm Warning | CAR | Washington | 51 min |
| May 26, 3:41 PM EDT | Severe Thunderstorm Warning | CAR | Hancock, Washington | 49 min |
| May 26, 4:10 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook | 50 min |
| May 26, 4:10 PM EDT | Severe Thunderstorm Warning | CAR | Washington | 50 min |
| May 26, 4:47 PM EDT | Severe Thunderstorm Warning | CAR | Aroostook, Penobscot, Washington | 43 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Caribou, ME (KCAR), launched 12:00Z, 6.2 hours before the alert went out and 225 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 460 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 330 m²/s²
- 0-3 km storm-relative helicity
- 354 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 12:05 PM EDT | Mesoscale Discussion | SPC | Penobscot, Piscataquis, Somerset | 115 min |
| May 26, 1:56 PM EDT | Mesoscale Discussion | SPC | Aroostook, Franklin, Penobscot, Piscataquis, Somerset, Washington | 34 min |
Nearby
Severe Thunderstorm Watches in Maine, 2014Severe Thunderstorm Watches in New Hampshire, 2014Every severe thunderstorm watch in 2014
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.