Alert archive / Maine / Coastal Flood Statements in 2017
Coastal Flood Statement 21, NWS Gray, ME
NWS Gray, ME issued this coastal flood statement at Oct 29, 2017, 4:27 PM EDT for 6 counties in Maine; Rockingham County, New Hampshire. It took effect at Oct 30, 2017, 5:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Oct 29, 2017, 4:27 PM EDT (20:27 UTC)
- In effect from
- Oct 30, 2017, 5:00 AM EDT
- Expired
- Oct 30, 2017, 10:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Gray, ME
Counties Cumberland County, ME, Knox County, ME, Lincoln County, ME, Sagadahoc County, ME, Waldo County, ME, York County, ME, Rockingham County, NH
The radar
The Portland,ME radar (KGYX), 26 km from the middle of the area, began a volume at 20:29 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 12:00Z, 8.5 hours before the alert went out and 26 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
- 489 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
730
WHUS41 KGYX 292027
CFWGYX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAY ME
427 PM EDT SUN OCT 29 2017
MEZ023>028-NHZ014-300930-
/O.NEW.KGYX.CF.S.0021.171030T0900Z-171030T1400Z/
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-
COASTAL WALDO-COASTAL ROCKINGHAM-
427 PM EDT SUN OCT 29 2017
...STRONG STORM COULD PRODUCE MINOR SPLASHOVER AND BEACH EROSION
EARLY MONDAY...
* LOCATION...THE COAST OF NEW HAMPSHIRE AND WESTERN MAINE.
* COASTAL FLOODING...STRONG WAVE ACTION AND STORM SURGE OF 2-2.5
WILL PRODUCE MINOR SPLASH OVER AND BEACH EROSION.
* TIMING...AROUND THE TIME OF HIGH TIDE MONDAY MORNING. 8.5 FEET
AT 740 AM AT PORTLAND AND 8.3 FEET AT 753 AM AT FORT POINT.
* IMPACTS...MINOR SPLASHOVER AND BEACH EROSION.
TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.
FORT POINT NH
MLLW CATEGORIES - MINOR 12.0 FT, MODERATE 13.0 FT, MAJOR 14.0 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
29/07 PM 9.2 -0.3 1.0 3.0 NONE
30/08 AM 9.4 -0.1 1.3 7.0 NONE
30/08 PM 8.6 -0.9 0.1 5.0 NONE
31/08 AM 8.4 -1.1 -0.1 3.0 NONE
31/09 PM 8.8 -0.7 0.0 2.0 NONE
01/09 AM 9.4 -0.1 0.3 1.0 NONE
PORTLAND ME
MLLW CATEGORIES - MINOR 12.0 FT, MODERATE 13.0 FT, MAJOR 14.0 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
29/07 PM 9.3 -0.4 0.9 4.0 NONE
30/08 AM 9.9 0.2 1.6 13.0 NONE
30/08 PM 8.7 -1.0 0.0 8.0 NONE
31/08 AM 8.6 -1.1 -0.1 4.0 NONE
31/09 PM 9.0 -0.7 0.0 3.0 NONE
01/09 AM 9.5 -0.2 0.2 2.0 NONE
&&
$$1 follow-up statement
519
WHUS41 KGYX 300730
CFWGYX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAY ME
330 AM EDT MON OCT 30 2017
...STRONG STORM COULD PRODUCE MINOR SPLASHOVER AND BEACH EROSION
EARLY THIS MORNING...
MEZ023>028-NHZ014-301400-
/O.CON.KGYX.CF.S.0021.171030T0900Z-171030T1400Z/
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-
COASTAL WALDO-COASTAL ROCKINGHAM-
330 AM EDT MON OCT 30 2017
...STRONG STORM COULD PRODUCE MINOR SPLASHOVER AND BEACH EROSION
EARLY THIS MORNING...
* LOCATION...THE COAST OF NEW HAMPSHIRE AND WESTERN MAINE.
* COASTAL FLOODING...STRONG WAVE ACTION AND STORM SURGE OF 2-
2.5 WILL PRODUCE MINOR SPLASH OVER AND BEACH EROSION.
* TIMING...AROUND THE TIME OF HIGH TIDE MONDAY MORNING. 8.5 FEET
AT 740 AM AT PORTLAND AND 8.3 FEET AT 753 AM AT FORT POINT.
* IMPACTS...MINOR SPLASHOVER AND BEACH EROSION.
TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.
FORT POINT NH
MLLW CATEGORIES - MINOR 12.0 FT, MODERATE 13.0 FT, MAJOR 14.0 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
30/08 AM 9.8 0.3 1.7 1.0 NONE
30/08 PM 8.7 -0.8 0.2 5.0 NONE
31/08 AM 8.8 -0.7 0.3 2.0 NONE
31/09 PM 9.0 -0.5 0.2 1.0 NONE
01/09 AM 9.6 0.1 0.5 1.0 NONE
01/10 PM 9.8 0.3 0.6 1.0 NONE
PORTLAND ME
MLLW CATEGORIES - MINOR 12.0 FT, MODERATE 13.0 FT, MAJOR 14.0 FT
TOTAL TOTAL DEPARTURE
DAY/TIME TIDE TIDE FROM NORM WAVES FLOOD
FT MLLW FT MHHW FT FT IMPACT
-------- --------- --------- --------- ------- --------
30/08 AM 10.2 0.5 1.9 13.0 NONE
30/08 PM 8.8 -0.9 0.1 8.0 NONE
31/08 AM 9.0 -0.7 0.3 5.0 NONE
31/09 PM 9.1 -0.6 0.1 3.0 NONE
01/09 AM 9.7 -0.0 0.4 2.0 NONE
01/10 PM 10.0 0.3 0.6 2.0 NONE
&&
$$The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 3:47 AM EDT | Hurricane Force Wind Watch | GYX | 9 hr | |
| Oct 29, 3:47 AM EDT | Storm Warning | GYX | 35 hr | |
| Oct 29, 3:59 AM EDT | High Wind Warning | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 30 hr |
| Oct 29, 3:59 AM EDT | Wind Advisory | GYX | Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more | 38 hr |
| Oct 29, 1:14 PM EDT | Hurricane Force Wind Warning | GYX | 18 hr | |
| Oct 29, 3:07 PM EDT | River Flood Warning | GYX | Oxford | 39 hr |
| Oct 29, 3:07 PM EDT | River Flood Warning | GYX | Grafton | 35 hr |
| Oct 29, 3:07 PM EDT | River Flood Warning | GYX | Carroll | 35 hr |
Nearby
Coastal Flood Statements in Maine, 2017Coastal Flood Statements in New Hampshire, 2017Every coastal flood statement in 2017
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.