Alert archive / Pennsylvania / Special Weather Statements in 2012
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Oct 19, 2012, 10:15 PM EDT for Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 60 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
- Oct 19, 2012, 10:15 PM EDT (02:15 UTC)
- Expired
- Oct 19, 2012, 11:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 130 km from the middle of the area, began a volume at 02:17 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, 2.3 hours before the alert went out and 199 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
- 494 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
684
WWUS81 KPHI 200215
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1015 PM EDT FRI OCT 19 2012
NJZ007-PAZ054-055-061-062-200315-
CARBON PA-LEHIGH PA-MONROE PA-NORTHAMPTON PA-WARREN NJ-
1015 PM EDT FRI OCT 19 2012
...STRONG THUNDERSTORMS WILL AFFECT CARBON...LEHIGH...MONROE...
NORTHAMPTON AND WARREN COUNTIES...
AT 1010 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM BLAKESLEE TO
KRESGEVILLE TO ALLENTOWN...MOVING NORTHEAST AT 25 MPH. THE
THUNDERSTORMS WILL BE NEAR MERWINSBURG AND TOBYHANNA AROUND 1030
PM...TANNERSVILLE AND SCOTRUN AROUND 1045 PM...STORMVILLE AND SKYTOP
AROUND 1100 PM...AND MARSHALLS CREEK AND SHAWNEE AROUND 1115 PM.
ADDITIONAL HEAVY RAIN WILL OCCUR OVER AREAS THAT HAVE ALREADY
RECEIVED HEAVY RAINFALL. BE ALERT FOR THE POSSIBILITY OF LOCALIZED
FLOODING.
WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
LAT...LON 4115 7514 4115 7508 4109 7503 4109 7500
4073 7495 4063 7514 4059 7518 4061 7520
4056 7531 4042 7549 4113 7565 4123 7554
4124 7551 4126 7513
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 19, 9:36 PM EDT | Small Craft Advisory for Hazardous Seas | PHI | 18 hr | |
| Oct 20, 3:16 PM EDT | Small Craft Advisory | PHI | 12 hr | |
| Oct 19, 8:31 PM EDT | Special Weather Statement | PHI | Berks | 44 min |
| Oct 19, 8:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 63 min |
| Oct 19, 8:59 PM EDT | Tornado Warning | PHI | Berks | 31 min |
| Oct 19, 9:24 PM EDT | Special Weather Statement | PHI | Chester, Delaware, Montgomery | 96 min |
| Oct 19, 10:00 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 63 min |
| Oct 19, 10:27 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 63 min |
| Oct 19, 10:36 PM EDT | Special Weather Statement | PHI | Caroline | 54 min |
Nearby
Special Weather Statements in Pennsylvania, 2012Special Weather Statements in New Jersey, 2012Every special weather statement in 2012
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.