Alert archive / Maine / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 18, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Jun 26, 2009, 7:10 AM EDT for Cumberland County, York County, Maine. It was in force for 25 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
- Jun 26, 2009, 7:10 AM EDT (11:10 UTC)
- Expired
- Jun 26, 2009, 7:35 AM EDT
- In force
- 25 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
Counties Cumberland County, ME, York County, ME
The radar
The Portland,ME radar (KGYX), 36 km from the middle of the area, began a volume at 11:13 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
Albany, NY (KALY), launched 00:00Z, 11.2 hours before the alert went out and 289 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
- 2335 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 126 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 Jun 26, 3:33 AM EDT, 3 hours 37 minutes earlier.
Area forecast discussion, Jun 26, 3:33 AM EDT, 3 hours 37 minutes before
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Special weather statement, Jun 26, 1:19 AM EDT, 5 hours 51 minutes before
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SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAY ME 124 AM EDT FRI JUN 26 2009 MEZ009-260600- CENTRAL SOMERSET- 124 AM EDT FRI JUN 26 2009 ...STRONG THUNDERSTORMS WILL IMPACT SOMERSET COUNTY THROUGH 200 AM EDT... AT 122 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED 5 MILES EAST OF BRASSUA...MOVING EAST AT 15 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND BRASSUA THROUGH 200 AM EDT. THIS STORM WILL ALSO AFFECT MOOSEHEAD LAKE FROM SOUTH OF SEBOOMOOK TO NEAR MOOSEHEAD. HAIL UP TO ONE HALF INCH IN DIAMETER...HEAVY DOWNPOURS...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS TO 40 MPH CAN BE EXPECTED.
Special weather statement, Jun 26, 1:57 AM EDT, 5 hours 13 minutes before
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</html>The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 12:34 AM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford | 41 min |
| Jun 26, 6:22 AM EDT | Severe Thunderstorm Warning | GYX | York | 23 min |
| Jun 26, 6:34 AM EDT | Special Marine Warning | GYX | 56 min | |
| Jun 26, 12:05 PM EDT | Severe Thunderstorm Warning | GYX | Somerset | 55 min |
| Jun 26, 12:12 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford | 33 min |
| Jun 26, 12:41 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford | 49 min |
| Jun 26, 12:54 PM EDT | Severe Thunderstorm Warning | GYX | Somerset | 51 min |
| Jun 26, 1:03 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 42 min |
| Jun 26, 1:34 PM EDT | Severe Thunderstorm Warning | GYX | Somerset | 41 min |
| Jun 26, 1:41 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 49 min |
| Jun 26, 1:54 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 51 min |
| Jun 26, 2:14 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Somerset | 46 min |
| Jun 26, 2:18 PM EDT | Flash Flood Warning | GYX | Somerset | 3 hr |
| Jun 26, 2:27 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 48 min |
| Jun 26, 2:39 PM EDT | Severe Thunderstorm Warning | GYX | York | 41 min |
| Jun 26, 2:40 PM EDT | Severe Thunderstorm Warning | GYX | Franklin | 50 min |
| Jun 26, 2:44 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 46 min |
| Jun 26, 2:48 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 42 min |
| Jun 26, 3:00 PM EDT | Severe Thunderstorm Warning | GYX | York | 38 min |
| Jun 26, 3:07 PM EDT | Areal Flood Advisory | GYX | Franklin | 3 hr |
| Jun 26, 3:26 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford, Somerset | 64 min |
| Jun 26, 3:27 PM EDT | Flash Flood Warning | GYX | Franklin | 3 hr |
| Jun 26, 3:28 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 47 min |
| Jun 26, 3:30 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 45 min |
| Jun 26, 3:44 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Oxford | 46 min |
| Jun 26, 4:06 PM EDT | Severe Thunderstorm Warning | GYX | Franklin, Kennebec, Somerset | 39 min |
| Jun 26, 4:44 PM EDT | Severe Thunderstorm Warning | GYX | Androscoggin, Franklin, Kennebec | 46 min |
| Jun 26, 4:50 PM EDT | Severe Thunderstorm Warning | GYX | Somerset | 30 min |
| Jun 26, 1:21 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos | 39 min |
| Jun 26, 1:49 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 56 min |
| Jun 26, 1:55 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 40 min |
| Jun 26, 1:57 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos | 63 min |
| Jun 26, 2:09 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack, Rockingham, Strafford | 36 min |
| Jun 26, 2:27 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Strafford | 49 min |
| Jun 26, 4:08 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 52 min |
| Jun 26, 4:45 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 45 min |
Nearby
Severe Thunderstorm Warnings in Maine, 2009Every severe thunderstorm warning in 2009
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.