Alert archive / New Jersey / Flash Flood Warnings in 2019
Flash Flood Warning 31, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 20, 2019, 3:20 PM EDT for 10 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 4 hr. 1 report 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
- Jun 20, 2019, 3:20 PM EDT (19:20 UTC)
- Expired
- Jun 20, 2019, 7:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 39 km from the middle of the area, began a volume at 19:22 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 |
|---|---|---|---|
| Jun 20, 6:12 PM EDT | FLOOD | Haddonfield, NJ | VIDEO SHOWING FLOOD WATERS IN THE FIRST FLOOR OF A HOME ABOUT 6 INCHES DEEP. |
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, 7.3 hours before the alert went out and 203 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
- 264 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 609 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted.
181 WGUS51 KPHI 201920 FFWPHI NJC001-005-007-011-015-021-023-025-029-033-PAC017-202315- /O.NEW.KPHI.FF.W.0031.190620T1920Z-190620T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Mount Holly NJ 320 PM EDT Thu Jun 20 2019 The National Weather Service in Mount Holly NJ has issued a * Flash Flood Warning for... Northwestern Atlantic County in southern New Jersey... Northern Cumberland County in southern New Jersey... East central Salem County in southern New Jersey... Northwestern Ocean County in southern New Jersey... Camden County in southern New Jersey... Mercer County in central New Jersey... Eastern Gloucester County in southern New Jersey... Northern Burlington County in southern New Jersey... Southwestern Monmouth County in central New Jersey... Southwestern Middlesex County in northern New Jersey... Southeastern Bucks County in southeastern Pennsylvania... * Until 715 PM EDT. * At 318 PM EDT, Doppler radar indicated thunderstorms were about to move over areas that received very heavy rainfall last night. Up to one and one-half inches can be expected with these thunderstorms. The rain will fall in a very short time and produce flash flooding across portions of the warned area. Creeks and streams remain high. Some are still flooding from last night's rain. The thunderstorms expected over the next hour or two will add more runoff and exacerbate current flooding. * Some locations that could experience flooding include... Trenton, Vineland, Cherry Hill, Bensalem, Evesham, Mount Laurel, Manalapan, Ewing, Willingboro, Voorhees, Medford, Glassboro, Lindenwold, Hammonton, Lumberton, Princeton, Florence, Bellmawr, Burlington and Bristol. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3949 7485 3947 7533 4039 7478 4029 7437 $$ Kruzdlo
1 follow-up statement
834 WGUS71 KPHI 202307 FFSPHI Flash Flood Statement National Weather Service Mount Holly NJ 707 PM EDT Thu Jun 20 2019 NJC001-005-007-011-015-021-023-025-029-033-PAC017-202315- /O.EXP.KPHI.FF.W.0031.000000T0000Z-190620T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Atlantic NJ-Cumberland NJ-Salem NJ-Ocean NJ-Camden NJ-Mercer NJ- Gloucester NJ-Burlington NJ-Monmouth NJ-Middlesex NJ-Bucks PA- 707 PM EDT Thu Jun 20 2019 ...THE FLASH FLOOD WARNING FOR NORTHWESTERN ATLANTIC...NORTHERN CUMBERLAND...EAST CENTRAL SALEM...NORTHWESTERN OCEAN...CAMDEN... MERCER...EASTERN GLOUCESTER...NORTHERN BURLINGTON...SOUTHWESTERN MONMOUTH...SOUTHWESTERN MIDDLESEX AND SOUTHEASTERN BUCKS COUNTIES WILL EXPIRE AT 715 PM EDT... The flash flood warning will be allowed to expire at 715 pm. Other flood warnings remain in place across northern Burlington county. LAT...LON 3949 7485 3947 7533 4039 7478 4029 7437 $$ Kruzdlo
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:36 PM EDT | Areal Flood Advisory | PHI | Ocean | 2 hr |
| Jun 19, 8:39 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Ocean | 2 hr |
| Jun 19, 11:19 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 5 hr |
| Jun 19, 11:25 PM EDT | Areal Flood Warning | PHI | Burlington | 5 hr |
| Jun 20, 1:49 AM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Jun 20, 4:32 AM EDT | Marine Dense Fog Advisory | PHI | 5 hr | |
| Jun 20, 4:38 AM EDT | Areal Flood Warning | PHI | Burlington, Camden, Gloucester | 14 hr |
| Jun 20, 2:26 PM EDT | Special Weather Statement | PHI | Gloucester, Hunterdon, Salem, Somerset | 94 min |
| Jun 20, 2:33 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 57 min |
| Jun 20, 2:48 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 1 more | 4 hr |
| Jun 20, 3:21 PM EDT | Special Weather Statement | PHI | Atlantic | 24 min |
| Jun 20, 3:36 PM EDT | Special Weather Statement | PHI | Burlington, Mercer, Middlesex, Ocean | 54 min |
| Jun 20, 4:05 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Middlesex, Monmouth, Ocean | 4 hr |
| Jun 20, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 54 min |
| Jun 20, 4:23 PM EDT | Special Weather Statement | PHI | Cumberland | 37 min |
| Jun 20, 4:24 PM EDT | Areal Flood Advisory | PHI | Mercer, Middlesex, Monmouth, Morris, Somerset | 3 hr |
| Jun 20, 4:26 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jun 20, 4:40 PM EDT | Special Weather Statement | PHI | Ocean | 35 min |
| Jun 20, 4:44 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 31 min |
| Jun 20, 5:10 PM EDT | Special Weather Statement | PHI | Atlantic | 35 min |
| Jun 20, 5:15 PM EDT | Special Marine Warning | PHI | 90 min | |
| Jun 20, 6:50 PM EDT | Areal Flood Warning | PHI | Burlington | 10 hr |
| Jun 19, 9:09 PM EDT | Areal Flood Warning | PHI | Philadelphia | 3 hr |
| Jun 19, 9:50 PM EDT | Special Weather Statement | PHI | Lebanon | 55 min |
| Jun 19, 10:47 PM EDT | Areal Flood Advisory | PHI | Berks | 50 min |
| Jun 19, 11:11 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 6 hr |
| Jun 19, 11:34 PM EDT | Flash Flood Warning | PHI | Berks | 6 hr |
| Jun 20, 12:39 AM EDT | Areal Flood Advisory | PHI | Montgomery | 7 min |
| Jun 20, 12:45 AM EDT | Flash Flood Warning | PHI | Montgomery, Philadelphia | 6 hr |
| Jun 20, 3:40 AM EDT | River Flood Warning | PHI | Delaware | 111 min |
| Jun 20, 3:59 AM EDT | River Flood Warning | PHI | Chester | 7 hr |
| Jun 20, 5:10 AM EDT | Areal Flood Warning | PHI | Chester, Delaware | 12 hr |
| Jun 20, 5:19 AM EDT | River Flood Warning | PHI | Chester, Delaware | 13 hr |
| Jun 20, 5:24 AM EDT | Areal Flood Warning | PHI | Berks | 6 hr |
| Jun 20, 6:14 AM EDT | Areal Flood Warning | PHI | Montgomery, Philadelphia | 10 hr |
| Jun 20, 6:31 AM EDT | River Flood Warning | PHI | Delaware | 3 hr |
| Jun 20, 1:24 PM EDT | Special Weather Statement | PHI | Berks, Chester, Montgomery | 51 min |
| Jun 20, 1:28 PM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Jun 20, 2:13 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery | 4 hr |
| Jun 20, 4:58 PM EDT | River Flood Warning | PHI | Chester | 4 hr |
| Jun 20, 6:33 PM EDT | Areal Flood Warning | PHI | Montgomery | 3 hr |
Nearby
Flash Flood Warnings in New Jersey, 2019Flash Flood Warnings in Pennsylvania, 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.