Alert archive / Pennsylvania / Flash Flood Warnings in 2019
Flash Flood Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at May 29, 2019, 5:14 PM EDT for 6 counties in Pennsylvania; 4 counties in New Jersey. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 29, 2019, 5:14 PM EDT (21:14 UTC)
- Expired
- May 29, 2019, 8:22 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hunterdon County, NJ, Morris County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 119 km from the middle of the area, began a volume at 21:14 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 5:21 PM EDT | FLOOD | Hackettstown, NJ | WATER COVERING A FEW ROADS IN HACKETTSTOWN. |
| May 29, 6:00 PM EDT | FLASH FLOOD | 2 Nnw Stewartsville, NJ | LOWS HOLLOW ROAD DAMAGED AND WASHED OUT BY FLOOD WATERS. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.2 hours before the alert went out and 184 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
- 415 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -157 m²/s²
- 0-3 km storm-relative helicity
- -76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
599
WGUS51 KPHI 292114
FFWPHI
NJC019-027-037-041-PAC011-017-025-077-089-095-300115-
/O.NEW.KPHI.FF.W.0007.190529T2114Z-190530T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
514 PM EDT Wed May 29 2019
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Northwestern Morris County in northern New Jersey...
Northwestern Hunterdon County in northwestern New Jersey...
Southern Sussex County in northwestern New Jersey...
Warren County in northwestern New Jersey...
North central Berks County in eastern Pennsylvania...
Lehigh County in eastern Pennsylvania...
Southeastern Carbon County in northeastern Pennsylvania...
North central Bucks County in southeastern Pennsylvania...
South central Monroe County in northeastern Pennsylvania...
Northampton County in eastern Pennsylvania...
* Until 915 PM EDT.
* At 511 PM EDT, Doppler radar indicated multiple rounds of
thunderstorms producing heavy rain across the warned area. Flash
flooding is expected to begin shortly in areas that receive
repetitive rounds of heavy rain. The Flood Advisory has been
upgraded to a Flash Flood Warning.
* Some locations that could experience flooding include...
Allentown, Easton, Newton, Bethlehem, Hopatcong, Forks, Emmaus,
Northampton, Hackettstown, Wilson, Washington, Blairstown,
Hellertown, Nazareth, Palmerton, Bangor, Mount Arlington, Franklin,
Slatington and High Bridge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4120 7437 4110 7449 4105 7449 4052 7508
4059 7601 4065 7598 4075 7577 4105 7491
$$
Kruzdlo2 follow-up statements
658
WGUS71 KPHI 292254
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
654 PM EDT Wed May 29 2019
NJC019-027-PAC017-292303-
/O.CAN.KPHI.FF.W.0007.000000T0000Z-190530T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris NJ-Hunterdon NJ-Bucks PA-
654 PM EDT Wed May 29 2019
...THE FLASH FLOOD WARNING FOR NORTHWESTERN MORRIS...NORTHWESTERN
HUNTERDON AND NORTH CENTRAL BUCKS COUNTIES IS CANCELLED...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 4105 7455 4054 7533 4059 7601 4065 7598
4070 7583 4074 7576 4075 7577 4105 7491
$$
NJC037-041-PAC011-025-077-089-095-300115-
/O.CON.KPHI.FF.W.0007.000000T0000Z-190530T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Berks PA-Lehigh PA-Carbon PA-Monroe PA-
Northampton PA-
654 PM EDT Wed May 29 2019
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR
SOUTHWESTERN SUSSEX...WARREN...NORTH CENTRAL BERKS...LEHIGH...
SOUTHEASTERN CARBON...SOUTH CENTRAL MONROE AND NORTHAMPTON
COUNTIES...
At 653 PM EDT, Doppler radar indicated the heavy rain was coming to
an end. Although the rain was ending, runoff will continue into the
evening. The flash flood warning remains in effect until 915 pm.
Some locations that could experience flooding include...
Allentown, Easton, Newton, Bethlehem, Hopatcong, Forks, Emmaus,
Northampton, Hackettstown, Wilson, Washington, Blairstown,
Hellertown, Nazareth, Palmerton, Bangor, Slatington, Pen Argyl, Wind
Gap and Bath.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4105 7455 4054 7533 4059 7601 4065 7598
4070 7583 4074 7576 4075 7577 4105 7491
$$
Kruzdlo749
WGUS71 KPHI 300022
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
822 PM EDT Wed May 29 2019
NJC037-041-PAC011-025-077-089-095-300031-
/O.CAN.KPHI.FF.W.0007.000000T0000Z-190530T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Berks PA-Lehigh PA-Carbon PA-Monroe PA-
Northampton PA-
822 PM EDT Wed May 29 2019
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN SUSSEX...WARREN...NORTH
CENTRAL BERKS...LEHIGH...SOUTHEASTERN CARBON...SOUTH CENTRAL MONROE
AND NORTHAMPTON COUNTIES IS CANCELLED...
The heavy rain has ended. Please continue to heed any remaining road
closures.
LAT...LON 4105 7455 4054 7533 4059 7601 4065 7598
4070 7583 4074 7576 4075 7577 4105 7491
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 8:23 PM EDT | Tornado Warning | PHI | Monroe | 37 min |
| May 28, 9:17 PM EDT | River Flood Warning | PHI | Chester | 101 min |
| May 29, 3:18 AM EDT | Flash Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 18 hr |
| May 29, 2:19 PM EDT | Special Weather Statement | PHI | Lehigh | 41 min |
| May 29, 2:26 PM EDT | Special Weather Statement | PHI | Montgomery | 34 min |
| May 29, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 60 min |
| May 29, 2:48 PM EDT | Special Weather Statement | PHI | Monroe | 27 min |
| May 29, 2:59 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 46 min |
| May 29, 3:10 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 65 min |
| May 29, 3:17 PM EDT | Tornado Warning | PHI | Bucks, Lehigh | 28 min |
| May 29, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 46 min |
| May 29, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 46 min |
| May 29, 3:38 PM EDT | Tornado Warning | PHI | Bucks | 37 min |
| May 29, 3:43 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 4 hr |
| May 29, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 62 min |
| May 29, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 47 min |
| May 29, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 41 min |
| May 29, 4:09 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 51 min |
| May 29, 4:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 47 min |
| May 29, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 27 min |
| May 29, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 42 min |
| May 29, 4:27 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 51 min |
| May 29, 4:35 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 25 min |
| May 29, 4:42 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 48 min |
| May 29, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Chester, Lehigh, Montgomery, Northampton | 40 min |
| May 29, 4:53 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 67 min |
| May 29, 4:55 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 4 hr |
| May 29, 5:08 PM EDT | Tornado Warning | PHI | Bucks, Montgomery | 27 min |
| May 29, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Monroe, Montgomery and 1 more | 34 min |
| May 29, 5:27 PM EDT | Flash Flood Warning | PHI | Bucks, Chester, Montgomery, Philadelphia | 4 hr |
| May 29, 5:33 PM EDT | Tornado Warning | PHI | Bucks | 27 min |
| May 29, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 66 min |
| May 29, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 41 min |
| May 29, 6:06 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| May 29, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 24 min |
| May 29, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 53 min |
| May 29, 6:35 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| May 29, 7:12 PM EDT | Areal Flood Advisory | PHI | Chester | 3 hr |
| May 28, 8:30 PM EDT | Tornado Warning | PHI | Morris, Sussex | 30 min |
| May 28, 8:34 PM EDT | Special Marine Warning | PHI | 41 min | |
| May 28, 8:35 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland | 55 min |
| May 28, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 25 min |
| May 28, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset, Sussex, Warren | 61 min |
| May 28, 8:50 PM EDT | Areal Flood Advisory | PHI | Cape May | 78 min |
| May 28, 8:59 PM EDT | Special Marine Warning | PHI | 61 min | |
| May 28, 9:33 PM EDT | Areal Flood Advisory | PHI | Morris, Somerset | 63 min |
| May 28, 9:47 PM EDT | Special Marine Warning | PHI | 43 min | |
| May 28, 9:52 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 23 min |
| May 28, 9:57 PM EDT | Special Marine Warning | PHI | 44 min | |
| May 28, 10:03 PM EDT | Special Weather Statement | PHI | Atlantic | 12 min |
| May 28, 10:28 PM EDT | Special Marine Warning | PHI | 58 min | |
| May 28, 10:30 PM EDT | Special Weather Statement | PHI | Ocean | 45 min |
| May 28, 10:33 PM EDT | Special Weather Statement | PHI | Burlington | 27 min |
| May 28, 10:34 PM EDT | Special Weather Statement | PHI | Monmouth | 26 min |
| May 28, 11:00 PM EDT | Special Weather Statement | PHI | Burlington, Ocean | 30 min |
| May 28, 11:07 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 38 min |
| May 28, 11:21 PM EDT | Special Marine Warning | PHI | 39 min | |
| May 28, 11:35 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 25 min |
| May 28, 11:57 PM EDT | Special Marine Warning | PHI | 48 min | |
| May 29, 4:28 PM EDT | Special Weather Statement | PHI | Morris | 32 min |
| May 29, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean | 53 min |
| May 29, 5:01 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris | 29 min |
| May 29, 5:03 PM EDT | Special Marine Warning | PHI | 57 min | |
| May 29, 5:45 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Sussex, Warren | 30 min |
| May 29, 6:01 PM EDT | Special Marine Warning | PHI | 59 min | |
| May 29, 6:02 PM EDT | Special Weather Statement | PHI | Salem | 28 min |
| May 29, 6:29 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 61 min |
| May 29, 6:35 PM EDT | Special Marine Warning | PHI | 55 min | |
| May 29, 7:08 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 52 min |
| May 29, 7:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| May 29, 7:25 PM EDT | Special Marine Warning | PHI | 65 min | |
| May 29, 7:33 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 42 min |
| May 29, 7:35 PM EDT | Special Marine Warning | PHI | 85 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2019Flash Flood Warnings in New Jersey, 2019Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.