Alert archive / Pennsylvania / Freezing Rain Advisories in 2011
Freezing Rain Advisory 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freezing rain advisory at Feb 25, 2011, 4:56 AM EST for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Feb 25, 2011, 4:56 AM EST (09:56 UTC)
- Expired
- Feb 25, 2011, 10:00 AM EST
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA
The radar
The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 09:57 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, 9.9 hours before the alert went out and 201 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
- 1428 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 244 m²/s²
- 0-3 km storm-relative helicity
- 342 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
713 WWUS41 KPHI 250956 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 456 AM EST FRI FEB 25 2011 NJZ001-PAZ054-055-251300- /O.NEW.KPHI.ZR.Y.0002.110225T0956Z-110225T1300Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 456 AM EST FRI FEB 25 2011 ...FREEZING RAIN ADVISORY FOR THE HIGHER ELEVATIONS IN EFFECT UNTIL 8 AM EST THIS MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZING RAIN ADVISORY FOR THE HIGHER ELEVATIONS OF CARBON, MONROE AND SUSSEX COUNTIES, WHICH IS IN EFFECT UNTIL 8 AM EST TODAY. LOCAL EMERGENCY PERSONNEL REPORTED LIGHT ICING OF ROADWAYS OVER THE HIGHER ELEVATIONS OF THE SOUTHERN POCONOS EARLY THIS MORNING. TEMPERATURE SENSORS OVER SUSSEX COUNTY IN FAR NORTHWEST NEW JERSEY INDICATED THAT FREEZING RAIN WAS OCCURRING THERE ALSO. FREEZING RAIN OVER THE HIGHER ELEVATIONS IS EXPECTED TO LINGER THROUGH DAYBREAK. IF YOU ARE GOING TO BE DRIVING IN THE ADVISORY AREA THIS MORNING, PLEASE DRIVE VERY CAREFULLY. ALLOW EXTRA TIME TO REACH YOUR DESTINATION; REDUCE YOUR SPEED AND LEAVE AS MUCH ROOM AS POSSIBLE BETWEEN YOURSELF AND OTHERS. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ MPD/ROBERTSON
2 follow-up statements
165 WWUS41 KPHI 251249 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 749 AM EST FRI FEB 25 2011 NJZ001-PAZ054-055-251500- /O.EXT.KPHI.ZR.Y.0002.000000T0000Z-110225T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 749 AM EST FRI FEB 25 2011 ...FREEZING RAIN ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS MORNING... THE FREEZING RAIN ADVISORY IS NOW IN EFFECT UNTIL 10 AM EST THIS MORNING. LOCAL EMERGENCY PERSONNEL EARLIER THIS MORNING REPORTED LIGHT ICING OF ROADWAYS OVER THE HIGHER ELEVATIONS OF THE SOUTHERN POCONOS. TEMPERATURE SENSORS OVER SUSSEX COUNTY IN FAR NORTHWEST NEW JERSEY INDICATED THAT FREEZING RAIN WAS OCCURRING THERE ALSO. SOME AREAS OF FREEZING RAIN OVER THE HIGHER ELEVATIONS ARE EXPECTED TO LINGER THROUGH MID MORNING. IF YOU ARE GOING TO BE DRIVING IN THE ADVISORY AREA THIS MORNING... PLEASE DRIVE VERY CAREFULLY. ALLOW EXTRA TIME TO REACH YOUR DESTINATION; REDUCE YOUR SPEED AND LEAVE AS MUCH ROOM AS POSSIBLE BETWEEN YOURSELF AND OTHERS. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
546 WWUS41 KPHI 251506 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1006 AM EST FRI FEB 25 2011 NJZ001-PAZ054-055-251615- /O.EXP.KPHI.ZR.Y.0002.000000T0000Z-110225T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 1006 AM EST FRI FEB 25 2011 ...FREEZING RAIN ADVISORY HAS EXPIRED... THE FREEZING RAIN ADVISORY IS NO LONGER IN EFFECT. TEMPERATURES ACROSS THE REGION HAVE RISEN ABOVE FREEZING AND THREAT FOR FREEZING RAIN HAS ENDED. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 9:15 AM EST | Special Weather Statement | PHI | Delaware | 90 min |
| Feb 25, 12:11 PM EST | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 64 min |
| Feb 25, 12:44 PM EST | Special Weather Statement | PHI | Delaware, Philadelphia | 61 min |
| Feb 25, 1:04 PM EST | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 56 min |
| Feb 25, 1:16 PM EST | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 59 min |
| Feb 25, 7:53 AM EST | Special Weather Statement | PHI | Atlantic, Cape May, Cumberland | 82 min |
| Feb 25, 1:11 PM EST | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 64 min |
| Feb 25, 1:23 PM EST | Special Marine Warning | PHI | 67 min | |
| Feb 25, 1:25 PM EST | Special Marine Warning | PHI | 65 min | |
| Feb 25, 1:48 PM EST | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more | 57 min |
| Feb 25, 1:57 PM EST | Special Marine Warning | PHI | 63 min | |
| Feb 25, 2:09 PM EST | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 51 min |
| Feb 25, 2:16 PM EST | Special Marine Warning | PHI | 89 min | |
| Feb 25, 3:39 PM EST | Special Marine Warning | PHI | 41 min |
Nearby
Freezing Rain Advisories in Pennsylvania, 2011Freezing Rain Advisories in New Jersey, 2011Every freezing rain advisory 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.