Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 264, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 22, 2019, 4:16 PM EDT for 4 states. It was in force for 59 min. 11 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
- Jul 22, 2019, 4:16 PM EDT (20:16 UTC)
- Expired
- Jul 22, 2019, 5:15 PM EDT
- In force
- 59 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties New Castle County, DE, Cecil County, MD, Kent County, MD, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Chester County, PA, Delaware County, PA
The radar
The Dover AFB radar (KDOX), 85 km from the middle of the area, began a volume at 20:18 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 |
|---|---|---|---|
| Jul 22, 4:40 PM EDT | TSTM WND DMG | 1 S West Chester, PA | TREE OR LIMB DOWN BLOCKING THE ROADWAY ON SPRUCE AVE AT JONES LN. TIME ESTIMATED FROM RADAR. |
| Jul 22, 4:43 PM EDT | TSTM WND DMG | 1 Wsw Westtown, PA | TREE DOWN ON BAYWOOD RD AT TOWER COURSE DR. TIME ESTIMATED FROM RADAR. |
| Jul 22, 4:45 PM EDT | TSTM WND DMG | Calvert, MD | WIRES DOWN NEAR THE INTERSECTION OF MD-272 AND MD-273. TIME ESTIMATED FROM RADAR. |
| Jul 22, 4:55 PM EDT | TSTM WND DMG | Galena, MD | MD-213 CLOSED AT MD-313 DUE TO A DOWNED UTILITY. TIME ESTIMATED FROM RADAR. |
| Jul 22, 4:58 PM EDT | TSTM WND DMG | Galena, MD | DOWNED POWER LINES FROM THUNDERSTORM WINDS. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:00 PM EDT | TSTM WND DMG | Newark, DE | PHOTO VIA SOCIAL MEDIA OF A TREE SNAPPED. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:10 PM EDT | TSTM WND DMG | Malvern, PA | TREE DOWN ON WIRES ON N WARREN AVE AT PENNSYLVANIA AVE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:12 PM EDT | TSTM WND DMG | 1 Ssw Birmingham Twp, PA | MULTIPLE TREES DOWN ON AND NEAR WYLIE RD. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:16 PM EDT | TSTM WND DMG | 1 Ne West Chester, PA | DOWNED UTILITY ON PAOLI PIKE. TIME ESTIMATED FROM RADAR. |
| Jul 22, 5:16 PM EDT | TSTM WND GST 78 | New Castle County Airpo, DE | 78 MPH WIND GUST AT NEW CASTLE COUNTY AIRPORT. |
| Jul 22, 5:23 PM EDT | HAIL 0.25 | Townsend, DE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 22, 2:17 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.3 hours before the alert went out and 155 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
- 36 J/kg
- Mixed-layer CIN
- -277 J/kg
- Mixed-layer LCL
- 1350 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
997
WUUS51 KPHI 222016
SVRPHI
DEC003-MDC015-029-NJC011-015-033-PAC029-045-222115-
/O.NEW.KPHI.SV.W.0264.190722T2016Z-190722T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
416 PM EDT Mon Jul 22 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
New Castle County in northern Delaware...
Northern Kent County in northeastern Maryland...
Cecil County in northeastern Maryland...
Northwestern Cumberland County in southern New Jersey...
Salem County in southern New Jersey...
West central Gloucester County in southern New Jersey...
Chester County in southeastern Pennsylvania...
Southwestern Delaware County in southeastern Pennsylvania...
* Until 515 PM EDT.
* At 416 PM EDT, severe thunderstorms were located along a line
extending from near Jarrettsville to near Bowleys Quarters, moving
east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Wilmington, Newark, Bridgeton, Middletown, West Chester, Elkton,
Havre De Grace, Calvert, Chester, Pennsville, Coatesville,
Westtown, Carneys Point, Downingtown, Elsmere, Kennett Square, New
Castle, Chestertown, Penns Grove and Salem.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3932 7618 3942 7600 3952 7598 3955 7609
3972 7623 3973 7610 3995 7599 4012 7552
3940 7521 3936 7540 3946 7551 3946 7554
3957 7551 3962 7557 3972 7551 3962 7561
3946 7559 3936 7552 3919 7626
TIME...MOT...LOC 2016Z 249DEG 46KT 3964 7641 3926 7633
HAIL...<.75IN
WIND...60MPH
$$
Meola1 follow-up statement
414
WWUS51 KPHI 222115
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
515 PM EDT Mon Jul 22 2019
DEC003-MDC015-029-NJC011-015-033-PAC029-045-222124-
/O.EXP.KPHI.SV.W.0264.000000T0000Z-190722T2115Z/
New Castle DE-Kent MD-Cecil MD-Cumberland NJ-Salem NJ-Gloucester NJ-
Chester PA-Delaware PA-
515 PM EDT Mon Jul 22 2019
...THE SEVERE THUNDERSTORM WARNING FOR NEW CASTLE...NORTHERN KENT...
CECIL...NORTHWESTERN CUMBERLAND...SALEM...WEST CENTRAL GLOUCESTER...
CHESTER AND SOUTHWESTERN DELAWARE COUNTIES WILL EXPIRE AT 515 PM
EDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A severe thunderstorm watch remains in effect until 1000 PM EDT for
central and northern Delaware...northeastern Maryland...southern New
Jersey...and southeastern Pennsylvania.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of the warned area.
LAT...LON 3932 7618 3942 7600 3952 7598 3955 7609
3972 7623 3973 7610 3995 7599 4012 7552
3940 7521 3936 7540 3946 7551 3946 7554
3957 7551 3962 7557 3972 7551 3962 7561
3946 7559 3936 7552 3919 7626
TIME...MOT...LOC 2114Z 249DEG 46KT 3989 7554 3951 7547
$$
MeolaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 9:30 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 45 min |
| Jul 21, 9:44 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 46 min |
| Jul 21, 9:55 PM EDT | Areal Flood Advisory | PHI | Cecil | 87 min |
| Jul 21, 10:13 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 47 min |
| Jul 22, 3:47 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 58 min |
| Jul 22, 4:11 PM EDT | Areal Flood Advisory | PHI | Cecil | 4 hr |
| Jul 22, 4:21 PM EDT | Areal Flood Advisory | PHI | Cecil, Kent | 2 hr |
| Jul 22, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Cecil, Kent | 61 min |
| Jul 21, 10:54 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 25 min |
| Jul 22, 4:40 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 114 min |
| Jul 21, 8:25 PM EDT | Special Weather Statement | PHI | Warren | 50 min |
| Jul 21, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 46 min |
| Jul 21, 9:05 PM EDT | Special Weather Statement | PHI | Morris | 25 min |
| Jul 21, 9:24 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 51 min |
| Jul 21, 10:12 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 48 min |
| Jul 21, 10:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 21, 10:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 21, 11:02 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 31 min |
| Jul 21, 11:27 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 48 min |
| Jul 21, 11:31 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 44 min |
| Jul 21, 11:40 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 50 min |
| Jul 21, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 51 min |
| Jul 22, 12:00 AM EDT | Special Marine Warning | PHI | 90 min | |
| Jul 22, 12:16 AM EDT | Special Weather Statement | PHI | Mercer | 29 min |
| Jul 22, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 41 min |
| Jul 22, 1:50 PM EDT | Special Weather Statement | PHI | Warren | 25 min |
| Jul 22, 2:00 PM EDT | Special Weather Statement | PHI | Sussex | 45 min |
| Jul 22, 2:13 PM EDT | Special Weather Statement | PHI | Warren | 32 min |
| Jul 22, 2:35 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 40 min |
| Jul 22, 2:58 PM EDT | Small Craft Advisory | PHI | 27 hr | |
| Jul 22, 3:02 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 4 hr |
| Jul 22, 3:12 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 48 min |
| Jul 22, 3:33 PM EDT | Areal Flood Advisory | PHI | Warren | 7 hr |
| Jul 22, 3:43 PM EDT | Flash Flood Warning | PHI | Sussex | 4 hr |
| Jul 22, 4:24 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 51 min |
| Jul 22, 4:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 22, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 44 min |
| Jul 22, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 41 min |
| Jul 22, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 73 min |
| Jul 22, 5:34 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Sussex, Warren | 4 hr |
| Jul 22, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more | 80 min |
| Jul 22, 5:43 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Hunterdon, Mercer, Middlesex and 4 more | 3 hr |
| Jul 22, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more | 40 min |
| Jul 22, 5:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 22, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 51 min |
| Jul 22, 6:12 PM EDT | Special Marine Warning | PHI | 93 min | |
| Jul 22, 6:21 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cumberland, Monmouth, Ocean | 4 hr |
| Jul 22, 6:27 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jul 22, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 34 min |
| Jul 22, 6:35 PM EDT | Flash Flood Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 4 hr |
| Jul 22, 6:38 PM EDT | Special Marine Warning | PHI | 67 min | |
| Jul 22, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 51 min |
| Jul 22, 7:39 PM EDT | Special Marine Warning | PHI | 96 min | |
| Jul 21, 9:58 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 2 hr |
| Jul 21, 10:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 46 min |
| Jul 21, 10:30 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 3 hr |
| Jul 21, 10:31 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 3 hr |
| Jul 21, 10:35 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 40 min |
| Jul 21, 10:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 48 min |
| Jul 21, 10:58 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 59 min |
| Jul 21, 11:05 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 40 min |
| Jul 21, 11:38 PM EDT | Flash Flood Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 2 hr |
| Jul 22, 12:05 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 40 min |
| Jul 22, 12:45 AM EDT | Special Weather Statement | PHI | Monroe | 30 min |
| Jul 22, 1:11 AM EDT | Special Weather Statement | PHI | Monroe | 34 min |
| Jul 22, 5:32 AM EDT | Areal Flood Warning | PHI | Lehigh | 49 min |
| Jul 22, 1:28 PM EDT | Special Weather Statement | PHI | Monroe | 32 min |
| Jul 22, 3:18 PM EDT | Special Weather Statement | PHI | Chester | 57 min |
| Jul 22, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 48 min |
| Jul 22, 3:39 PM EDT | Special Weather Statement | PHI | Berks | 51 min |
| Jul 22, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 50 min |
| Jul 22, 5:05 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 4 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2019Severe Thunderstorm Warnings in Maryland, 2019Severe Thunderstorm Warnings in Pennsylvania, 2019Every severe thunderstorm 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.