Alert archive / Maryland / Coastal Flood Statements in 2008

Coastal Flood Statement 34, NWS Philadelphia/Mount Holly

December 1, 20085 counties in Maryland

NWS Philadelphia/Mount Holly issued this coastal flood statement at Dec 1, 2008, 2:07 PM EST for 5 counties in Maryland. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 1, 2008, 2:07 PM EST (19:07 UTC)
Expired
Dec 1, 2008, 9:54 PM EST
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 59 km from the middle of the area, began a volume at 19:08 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.1 hours before the alert went out and 43 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.

Skew-T log-pSkew-T log-p diagram, Phillips Aaf/Abe, MD at 12:00Z on 2008-12-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2008-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 square meters per square second.1939587897117136156175194Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
499 m above ground
0-6 km bulk shear
114 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WHUS41 KPHI 011907
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
207 PM EST MON DEC 1 2008

MDZ008-012-015-019-020-020400-
/O.NEW.KPHI.CF.S.0034.081201T1907Z-081202T0400Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
207 PM EST MON DEC 1 2008

A STRONG SOUTHWEST TO WEST WIND, WITH SPEEDS IN THE 25 TO 35 KT
RANGE WILL CAUSE WATER TO COLLECT ON THE EASTERN PORTION OF
CHESAPEAKE BAY. TIDAL DEPARTURES ARE FORECAST TO REMAIN IN THE 1
1/2 TO 2 FOOT RANGE ABOVE NORMAL, BUT ARE EXPECTED TO DECREASE
LATER THIS EVENING AFTER HIGH TIDE. THESE CONDITIONS ARE EXPECTED
TO APPROACH, BUT NOT REACH, MINOR TIDAL FLOODING LEVELS.

$$
1 follow-up statement
000 
WHUS41 KPHI 020254
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
954 PM EST MON DEC 1 2008

MDZ008-012-015-019-020-020400-
/O.CAN.KPHI.CF.S.0034.000000T0000Z-081202T0400Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
954 PM EST MON DEC 1 2008

HIGH TIDE HAS PAST AND THE WIND HAS DECREASED. THEREFORE
CONDITIONS ALONG THE EASTERN SHORE OF CHESAPEAKE BAY SHOULD BE IMPROVING.

$$

Nearby

Coastal Flood Statements in Maryland, 2008Every coastal flood statement in 2008

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.