Alert archive / Pennsylvania / Special Weather Statements in 2018
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 27, 2018, 7:49 PM EDT for Berks County, Pennsylvania. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2018, 7:49 PM EDT (23:49 UTC)
- Expired
- Jul 27, 2018, 8:30 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 156 km from the middle of the area, began a volume at 23:49 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.8 hours before the alert went out and 210 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
- 958 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
725
WWUS81 KPHI 272349
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
749 PM EDT FRI JUL 27 2018
PAZ060-061-280030-
Lehigh-Berks-
749 PM EDT FRI JUL 27 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN BERKS AND NORTHWESTERN
LEHIGH COUNTIES...
At 749 PM EDT, a strong thunderstorm was located near Strausstown, or
near Schuylkill Haven, moving east at 30 mph.
Winds up to 50 mph are possible with this storm.
Locations impacted include...
Kutztown, Hamburg, Fleetwood, Womelsdorf, Leesport, Shoemakersville,
Bernville, Lyons, Strausstown, Lenhartsville, Fairview Hgts,
Wanamakers, New Tripoli and Centerport.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
A severe thunderstorm watch remains in effect until 1000 PM EDT for
eastern Pennsylvania.
LAT...LON 4052 7628 4054 7617 4058 7605 4057 7602
4063 7600 4065 7598 4075 7571 4043 7576
4036 7624 4042 7632
TIME...MOT...LOC 2349Z 254DEG 26KT 4056 7613
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 9:29 AM EDT | Special Weather Statement | PHI | Salem | 61 min |
| Jul 27, 9:50 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 7 more | 13 hr |
| Jul 27, 10:08 AM EDT | Special Weather Statement | PHI | Cumberland | 67 min |
| Jul 27, 10:34 AM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 10 hr |
| Jul 27, 11:11 AM EDT | Special Weather Statement | PHI | Atlantic | 64 min |
| Jul 27, 12:10 PM EDT | Special Weather Statement | PHI | Atlantic | 65 min |
| Jul 27, 12:24 PM EDT | Areal Flood Advisory | PHI | Cape May | 114 min |
| Jul 27, 1:15 PM EDT | Special Weather Statement | PHI | Salem | 45 min |
| Jul 27, 1:23 PM EDT | Special Weather Statement | PHI | Morris | 52 min |
| Jul 27, 1:31 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 27, 1:38 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset | 4 hr |
| Jul 27, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 41 min |
| Jul 27, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 46 min |
| Jul 27, 2:19 PM EDT | Special Marine Warning | PHI | 56 min | |
| Jul 27, 2:22 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 27, 2:26 PM EDT | Areal Flood Advisory | PHI | Cumberland, Salem | 6 hr |
| Jul 27, 2:40 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jul 27, 2:59 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 46 min |
| Jul 27, 3:09 PM EDT | Areal Flood Advisory | PHI | Cumberland, Salem | 6 hr |
| Jul 27, 3:14 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 27, 3:45 PM EDT | Special Weather Statement | PHI | Cumberland | 30 min |
| Jul 27, 4:12 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jul 27, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland, Gloucester, Salem | 42 min |
| Jul 27, 4:19 PM EDT | Flash Flood Warning | PHI | Cumberland | 4 hr |
| Jul 27, 4:25 PM EDT | Areal Flood Advisory | PHI | Middlesex, Somerset | 7 hr |
| Jul 27, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 43 min |
| Jul 27, 4:43 PM EDT | Areal Flood Advisory | PHI | Mercer | 5 hr |
| Jul 27, 4:54 PM EDT | Flash Flood Warning | PHI | Middlesex | 4 hr |
| Jul 27, 5:03 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cumberland | 4 hr |
| Jul 27, 5:23 PM EDT | Special Marine Warning | PHI | 67 min | |
| Jul 27, 5:46 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 4 hr |
| Jul 27, 6:10 PM EDT | Areal Flood Advisory | PHI | Mercer, Middlesex, Monmouth, Somerset | 4 hr |
| Jul 27, 7:14 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 27, 7:15 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 4 hr |
| Jul 27, 7:51 PM EDT | Special Weather Statement | PHI | Atlantic | 39 min |
| Jul 27, 7:55 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Somerset, Warren | 108 min |
| Jul 27, 12:17 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 2 hr |
| Jul 27, 12:35 PM EDT | Flash Flood Warning | PHI | Monroe | 63 min |
| Jul 27, 1:02 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Jul 27, 1:08 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 37 min |
| Jul 27, 1:19 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 4 hr |
| Jul 27, 1:42 PM EDT | Special Weather Statement | PHI | Montgomery | 48 min |
| Jul 27, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 49 min |
| Jul 27, 3:47 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 4 hr |
| Jul 27, 3:54 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 27, 4:27 PM EDT | Special Weather Statement | PHI | Philadelphia | 33 min |
| Jul 27, 4:33 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 27 min |
| Jul 27, 4:44 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 7 hr |
| Jul 27, 5:00 PM EDT | Flash Flood Warning | PHI | Monroe | 3 hr |
| Jul 27, 5:13 PM EDT | Special Weather Statement | PHI | Monroe | 47 min |
| Jul 27, 5:27 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Northampton | 4 hr |
| Jul 27, 5:43 PM EDT | Special Weather Statement | PHI | Lehigh | 47 min |
| Jul 27, 6:03 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 42 min |
| Jul 27, 6:06 PM EDT | Areal Flood Advisory | PHI | Berks, Chester | 3 hr |
| Jul 27, 6:36 PM EDT | Special Weather Statement | PHI | Berks | 39 min |
| Jul 27, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 50 min |
| Jul 27, 7:03 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Jul 27, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 51 min |
| Jul 27, 7:37 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery | 116 min |
| Jul 27, 7:46 PM EDT | Special Weather Statement | PHI | Montgomery | 44 min |
| Jul 27, 7:49 PM EDT | Areal Flood Warning | PHI | Berks | 4 hr |
| Jul 27, 7:53 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Montgomery | 110 min |
| Jul 27, 8:37 AM EDT | Special Weather Statement | PHI | New Castle | 23 min |
| Jul 27, 2:15 PM EDT | Areal Flood Advisory | PHI | Sussex | 6 hr |
| Jul 27, 4:19 PM EDT | Special Weather Statement | PHI | Sussex | 41 min |
| Jul 27, 5:03 PM EDT | Special Weather Statement | PHI | Kent | 27 min |
| Jul 27, 5:08 PM EDT | Areal Flood Advisory | PHI | Kent | 4 hr |
| Jul 27, 5:09 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jul 27, 5:44 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Jul 27, 6:53 PM EDT | Special Weather Statement | PHI | New Castle | 52 min |
Nearby
Special Weather Statements in Pennsylvania, 2018Every special weather statement in 2018
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.