Alert archive / New Jersey / Flood Watches in 2019
Flood Watch 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flood watch at Jan 19, 2019, 2:47 PM EST for 4 states. It took effect at Jan 19, 2019, 7:00 PM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 19, 2019, 2:47 PM EST (19:47 UTC)
- In effect from
- Jan 19, 2019, 7:00 PM EST
- Expired
- Jan 20, 2019, 9:46 AM EST
- In force
- 15 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Flood severity
- None
Counties New Castle County, DE, Cecil County, MD, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Salem County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 19:49 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
Brookhaven, NY (KOKX), launched 12:00Z, 7.8 hours before the alert went out and 216 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
- 1020 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
549 WGUS61 KPHI 191947 FFAPHI URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 247 PM EST Sat Jan 19 2019 DEZ001-MDZ008-NJZ012>019-PAZ070-071-101-102-104-106-201000- /O.NEW.KPHI.FA.A.0001.190120T0000Z-190120T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Cecil-Middlesex-Western Monmouth-Eastern Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Delaware- Philadelphia-Western Chester-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Elkton, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 247 PM EST Sat Jan 19 2019 ...FLOOD WATCH IN EFFECT FROM 7 PM EST THIS EVENING THROUGH SUNDAY AFTERNOON... The National Weather Service in Mount Holly has issued a * Flood Watch for portions of northern Delaware, northeast Maryland, New Jersey, and southeast Pennsylvania, including the following areas, in northern Delaware, New Castle. In northeast Maryland, Cecil. In New Jersey, Camden, Eastern Monmouth, Gloucester, Mercer, Middlesex, Northwestern Burlington, Salem, and Western Monmouth. In southeast Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, and Western Chester. * From 7 PM EST this evening through Sunday afternoon * Rainfall amounts of 1 to 2 inches are expected across the watch area, with locally higher amounts possible. * Periods of moderate to heavy rain will occur from late this evening through early Sunday morning. In the areas of heaviest rainfall, urban and poor-drainage flooding is expected to occur. Sensitive streams and creeks will also be susceptible to flooding, especially in areas where convection enhances rainfall rates. River flooding cannot be ruled out, particularly if widespread rainfall totals exceed 2 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ CMS
2 follow-up statements
674 WGUS61 KPHI 200907 FFAPHI Flood Watch National Weather Service Mount Holly NJ 407 AM EST Sun Jan 20 2019 DEZ001-MDZ008-NJZ012>019-PAZ070-071-101-102-104-106-201800- /O.CON.KPHI.FA.A.0001.000000T0000Z-190120T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Cecil-Middlesex-Western Monmouth-Eastern Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Delaware- Philadelphia-Western Chester-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Elkton, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 407 AM EST Sun Jan 20 2019 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... The Flood Watch continues for * Portions of northern Delaware, northeast Maryland, New Jersey, and southeast Pennsylvania, including the Interstate 95 corridor. * Until 1 PM EST this afternoon * Rainfall amounts of 1 to 2 inches are expected across the watch area, with locally higher amounts possible. * Periods of moderate to heavy rain will occur through mid morning. In the areas of heaviest rainfall, urban and poor-drainage flooding is expected to occur. Sensitive streams and creeks will also be susceptible to flooding, especially in areas where convection enhances rainfall rates. River flooding cannot be ruled out, particularly if widespread rainfall totals exceed 2 inches. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ SFJ
242 WGUS61 KPHI 201446 FFAPHI Flood Watch National Weather Service Mount Holly NJ 946 AM EST Sun Jan 20 2019 DEZ001-MDZ008-NJZ012>019-PAZ070-071-101-102-104-106-201600- /O.CAN.KPHI.FA.A.0001.000000T0000Z-190120T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Cecil-Middlesex-Western Monmouth-Eastern Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Delaware- Philadelphia-Western Chester-Eastern Chester-Eastern Montgomery- Lower Bucks- Including the cities of Wilmington, Elkton, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 946 AM EST Sun Jan 20 2019 ...FLOOD WATCH IS CANCELLED... Streams and creeks remain high due to the heavy rain that fell overnight. However, the rain is coming to an end in our region and the potential for additional flooding is quite low. As a result, the Flood Watch has been cancelled. $$ Iovino
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 19, 3:21 AM EST | Winter Weather Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 24 hr |
| Jan 19, 11:37 AM EST | Coastal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more | 27 hr |
| Jan 19, 3:56 PM EST | Heavy Freezing Spray Advisory | PHI | 66 hr |
Nearby
Flood Watches in New Jersey, 2019Flood Watches in Pennsylvania, 2019Flood Watches in Maryland, 2019Every flood watch in 2019
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.