Alert archive / Pennsylvania / Special Weather Statements in 2016
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Feb 11, 2016, 6:35 PM EST for Lehigh County, Pennsylvania. It was in force for 55 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
- Feb 11, 2016, 6:35 PM EST (23:35 UTC)
- Expired
- Feb 11, 2016, 7:30 PM EST
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
County Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 132 km from the middle of the area, began a volume at 23:41 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.6 hours before the alert went out and 133 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
- 1149 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
900
WWUS81 KPHI 112335
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
635 PM EST THU FEB 11 2016
PAZ061-105-106-120030-
LOWER BUCKS-LEHIGH-UPPER BUCKS-
635 PM EST THU FEB 11 2016
...A BAND OF HEAVY SNOW SHOWERS WILL AFFECT LEHIGH AND NORTHWESTERN
BUCKS COUNTIES...
* AT 630 PM EST...A BAND OF HEAVY SNOW SHOWERS IS LOCATED DOWN THE
LENGTH OF LEHIGH COUNTY AND INTO UPPER BUCKS COUNTY. THIS IS
MOVING TO THE SOUTHEAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
ALLENTOWN...EMMAUS...QUAKERTOWN...PERKASIE...BEDMINSTER...DUBLIN...
PLEASANT VALLEY...NEW TRIPOLI...PIPERSVILLE...JORDAN VALLEY...
CLAUSSVILLE...SCHNECKSVILLE...WANAMAKERS...ANCIENT OAKS...
COFFEETOWN...MACUNGIE...COOPERSBURG...RICHLANDTOWN...TRUMBAUERSVILLE
AND FULLERTON.
THE BAND OF SNOW SHOWERS WILL CONTAIN SOME HEAVY SNOW THAT WILL LAST
FOR A BRIEF PERIOD OF TIME. THIS WILL RESULT IN RAPID CHANGES IN THE
VISIBILITY. IN ADDITION, GUSTY NORTHWEST WINDS WILL RESULT IN
BLOWING SNOW THAT WILL ALSO REDUCE THE VISIBILITY.
USE EXTRA CAUTION IF YOU MUST TRAVEL THROUGH THIS BAND OF HEAVY SNOW
SHOWERS. RAPID CHANGES IN VISIBILITY OVER SHORT DISTANCES AND
POTENTIALLY SLICK ROADS CAN LEAD TO ACCIDENTS. SLOW DOWN AND ALLOW
EXTRA TIME WHEN TRAVELING.
LAT...LON 4069 7587 4070 7583 4073 7578 4074 7575
4043 7510 4032 7517 4066 7587 4068 7589
TIME...MOT...LOC 2329Z 293DEG 19KT 4063 7573
$$
GORSE
&&
THIS INCLUDES PA VMS BOARD LOCATIONS
VMS-1 ...CMS-17...CMS-20...CMS-8 ...DMS-46...CMS-7 ...CMS-2 ...
CMS-28...CMS-10...CMS-1 ...CMS-5 ...AND CMS-6 .The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 9:09 AM EST | Special Weather Statement | PHI | Burlington | 51 min |
| Feb 11, 10:38 AM EST | Special Weather Statement | PHI | Mercer | 52 min |
| Feb 11, 12:58 PM EST | Gale Watch | PHI | 15 hr | |
| Feb 11, 2:15 PM EST | Wind Chill Watch | PHI | Sussex | 13 hr |
Nearby
Special Weather Statements in Pennsylvania, 2016Every special weather statement in 2016
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.