Alert archive / Pennsylvania / Special Weather Statements in 2011
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at May 3, 2011, 9:43 PM EDT for Sussex County, Warren County, New Jersey; Chester County, Montgomery County, Northampton County, Pennsylvania. It was in force for 47 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
- May 3, 2011, 9:43 PM EDT (01:43 UTC)
- Expired
- May 3, 2011, 10:30 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Warren County, NJ, Chester County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 113 km from the middle of the area, began a volume at 01:43 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 00:00Z, 1.7 hours before the alert went out and 194 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
- 754 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
262
WWUS81 KPHI 040143
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
943 PM EDT TUE MAY 3 2011
NJZ001-007>009-PAZ055-060>062-067>069-040230-
BERKS PA-BUCKS PA-CHESTER PA-HUNTERDON NJ-LEHIGH PA-MONROE PA-
MONTGOMERY PA-MORRIS NJ-NORTHAMPTON PA-SUSSEX NJ-WARREN NJ-
943 PM EDT TUE MAY 3 2011
...SHOWERS AND ISOLATED THUNDERSTORMS WITH HEAVY RAINFALL WILL
AFFECT SUSSEX...WARREN...MORRIS...HUNTERDON...CHESTER...MONTGOMERY...
BERKS...LEHIGH...NORTHAMPTON...BUCKS AND MONROE COUNTIES...
AT 939 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS AND ISOLATED THUNDERSTORMS WITH BRIEF HEAVY RAINFALL ALONG A
LINE EXTENDING FROM 10 MILES WEST OF MONTAGUE TO 6 MILES NORTHEAST
OF ALLENTOWN TO 15 MILES SOUTHEAST OF LANCASTER...MOVING EAST AT 35
MPH. THE SHOWERS WILL BE NEAR ECHO
LAKE...TATAMY...STOWE...STOCKERTOWN AROUND 950
PM...GLENMOORE...GERYVILLE...FORKS...CEDARVILLE AROUND 955
PM...PUGHTOWN AND HARMONY AROUND 1000 PM.
NORTHWEST WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE SHOWERS AND
ISOLATED THUNDERSTORMS.
THERE MAY BE ISOLATED LIGHTNING STRIKES.
LAT...LON 4125 7447 4123 7445 4082 7474 4001 7547
3988 7601 4011 7595 4014 7590 4016 7592
4064 7549 4116 7515 4115 7509 4109 7503
4111 7495 4127 7484 4135 7471
$$
FORECASTER: DRAGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 8:47 PM EDT | Special Weather Statement | PHI | Warren | 58 min |
| May 4, 7:34 AM EDT | Special Weather Statement | PHI | Atlantic, Cape May | 56 min |
| May 4, 7:58 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Ocean | 62 min |
| May 4, 8:31 AM EDT | Special Weather Statement | PHI | Atlantic, Cape May | 59 min |
| May 4, 8:47 AM EDT | Special Weather Statement | PHI | Cape May | 58 min |
| May 4, 9:09 AM EDT | Special Marine Warning | PHI | 66 min | |
| May 4, 10:13 AM EDT | Special Marine Warning | PHI | 62 min | |
| May 4, 11:06 AM EDT | Special Marine Warning | PHI | 54 min | |
| May 4, 11:27 AM EDT | Small Craft Advisory | PHI | 4 hr | |
| May 4, 3:29 PM EDT | Small Craft Advisory | PHI | 27 hr | |
| May 3, 8:06 PM EDT | Special Weather Statement | PHI | Carbon | 39 min |
| May 3, 8:15 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 30 min |
| May 4, 7:48 AM EDT | Special Weather Statement | PHI | Sussex | 57 min |
Nearby
Special Weather Statements in Pennsylvania, 2011Special Weather Statements in New Jersey, 2011Every special weather statement in 2011
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.