Alert archive / Pennsylvania / Snow Squall Warnings in 2024
Snow Squall Warning 40, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Dec 3, 2024, 3:21 PM EST for Carbon County, Monroe County, Pennsylvania. It was in force for 24 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
- Dec 3, 2024, 3:21 PM EST (20:21 UTC)
- Expired
- Dec 3, 2024, 3:45 PM EST
- In force
- 24 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 132 km from the middle of the area, began a volume at 20:24 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 12:00Z, 8.4 hours before the alert went out and 230 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
- 1044 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
560
WWUS51 KPHI 032021
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
321 PM EST Tue Dec 3 2024
PAC025-089-032045-
/O.NEW.KPHI.SQ.W.0040.241203T2021Z-241203T2045Z/
Carbon PA-Monroe PA-
321 PM EST Tue Dec 3 2024
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Northeastern Carbon County in northeastern Pennsylvania...
Southwestern Monroe County in northeastern Pennsylvania...
* Until 345 PM EST.
* At 321 PM EST, a dangerous snow squall was located over Lake
Harmony, or 13 miles west of Mount Pocono, moving southeast at 45
mph.
HAZARD...Intense bursts of heavy snow and gusty winds leading to
blowing snow and rapidly falling visibility.
SOURCE...Radar and webcams.
IMPACT...Travel will become difficult and potentially dangerous
within minutes.
This includes the following highways...
Northeast Extension between mile markers 85 and 97.
Interstate 80 in Pennsylvania between mile markers 277 and 299, and
between mile markers 303 and 311.
Interstate 380 in Pennsylvania near mile marker 0.
Locations impacted include...
East Stroudsburg, Stormville, Brodheadsville, Gilbert, Pocono
Raceway, Lake Harmony, Tannersville, Rossland, Long Pond,
Albrightsville, Kresgeville, Sun Valley, Jonas, Meckesville, Reeders,
Saylorsburg, McMichael, Blakeslee, Penn Forest Reservoir, and
Christmans.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4098 7515 4083 7541 4101 7574 4103 7574
4105 7577 4109 7577 4111 7571 4113 7569
4113 7567 4112 7565 4116 7560
TIME...MOT...LOC 2021Z 301DEG 37KT 4105 7559
SNOW SQUALL...OBSERVED
$$
DeSilvaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 3, 3:03 PM EST | Wind Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 55 hr |
| Dec 3, 3:41 PM EST | Snow Squall Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 49 min |
| Dec 3, 4:20 PM EST | Snow Squall Warning | PHI | Bucks, Lehigh, Northampton | 25 min |
Nearby
Snow Squall Warnings in Pennsylvania, 2024Every snow squall warning in 2024
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.