Alert archive / New Jersey / Snow Squall Warnings in 2020
Snow Squall Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Jan 8, 2020, 8:30 AM EST for Monroe County, Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 45 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
- Jan 8, 2020, 8:30 AM EST (13:30 UTC)
- Expired
- Jan 8, 2020, 9:15 AM EST
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 1.5 hours before the alert went out and 175 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
- 864 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
998
WWUS51 KPHI 081330
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
830 AM EST Wed Jan 8 2020
NJC037-041-PAC089-081415-
/O.NEW.KPHI.SQ.W.0005.200108T1330Z-200108T1415Z/
Sussex NJ-Warren NJ-Monroe PA-
830 AM EST Wed Jan 8 2020
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Sussex County in northwestern New Jersey...
North central Warren County in northwestern New Jersey...
Northern Monroe County in northeastern Pennsylvania...
* Until 915 AM EST.
* At 830 AM EST, a dangerous snow squall was located along a line
extending from near Pecks Pond to Mount Pocono, moving east at 45
mph.
HAZARD...Extremely poor visibility in heavy snow.
SOURCE...Radar and webcams.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Interstate 80 in Pennsylvania between mile markers 296 and 297.
Interstate 380 in Pennsylvania between mile markers 0 and 5.
Locations impacted include...
Port Jervis, Newton, Montague, Mount Pocono, Franklin, Hamburg,
Ogdensburg, Sussex, Milford, Branchville, High Point, Henryville,
Werry Lake, Pocono Pines, Millbrook, Skytop, Vernon Valley,
Mountainhome, Alpine Mountain and Pellettown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.
&&
LAT...LON 4121 7438 4101 7472 4108 7553 4125 7523
4125 7513 4115 7515 4114 7509 4108 7503
4116 7490 4124 7486 4132 7480 4135 7475
4136 7470
TIME...MOT...LOC 1330Z 272DEG 38KT 4133 7500 4112 7537
$$
JEO2 follow-up statements
984
WWUS51 KPHI 081400
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
859 AM EST Wed Jan 8 2020
NJC041-PAC089-081409-
/O.CAN.KPHI.SQ.W.0005.000000T0000Z-200108T1415Z/
Warren NJ-Monroe PA-
859 AM EST Wed Jan 8 2020
...THE SNOW SQUALL WARNING FOR NORTH CENTRAL WARREN AND NORTHERN
MONROE COUNTIES IS CANCELLED...
The snow squall which prompted the warning has moved out of the
warned area. Therefore, the snow squall warning has been cancelled.
LAT...LON 4121 7438 4101 7472 4106 7493 4110 7497
4109 7499 4116 7490 4121 7486 4124 7486
4130 7481 4135 7475 4135 7472 4136 7470
TIME...MOT...LOC 1359Z 272DEG 38KT 4132 7464 4111 7501
$$
NJC037-081415-
/O.CON.KPHI.SQ.W.0005.000000T0000Z-200108T1415Z/
Sussex NJ-
859 AM EST Wed Jan 8 2020
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 915 AM EST FOR
SUSSEX COUNTY...
At 859 AM EST, a dangerous snow squall was located along a line
extending from High Point to Bushkill, moving east at 45 mph.
HAZARD...Extremely poor visibility in heavy snow.
SOURCE...Radar and webcams.
IMPACT...Dangerous life-threatening travel.
Locations impacted include...
Port Jervis, Newton, Montague, Franklin, Hamburg, Ogdensburg, Sussex,
Branchville, Flatbrookville, High Point, Vernon Valley, Five Points,
Pellettown, Crandon Lakes, Highland Lake and Hainesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.
&&
LAT...LON 4121 7438 4101 7472 4106 7493 4110 7497
4109 7499 4116 7490 4121 7486 4124 7486
4130 7481 4135 7475 4135 7472 4136 7470
TIME...MOT...LOC 1359Z 272DEG 38KT 4132 7464 4111 7501
$$
JEO810
WWUS51 KPHI 081407
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
907 AM EST Wed Jan 8 2020
NJC037-081417-
/O.EXP.KPHI.SQ.W.0005.000000T0000Z-200108T1415Z/
Sussex NJ-
907 AM EST Wed Jan 8 2020
...THE SNOW SQUALL WARNING FOR SUSSEX COUNTY WILL EXPIRE AT 915 AM
EST...
The snow squall which prompted the warning has exited the area.
Therefore, the snow squall warning will be allowed to expire. Roads
will remain snow covered.
LAT...LON 4121 7438 4101 7472 4106 7493 4110 7497
4109 7499 4116 7490 4121 7486 4124 7486
4130 7481 4135 7475 4135 7472 4136 7470
TIME...MOT...LOC 1407Z 272DEG 38KT 4132 7456 4111 7493
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 7:44 AM EST | Snow Squall Warning | PHI | Chester | 46 min |
| Jan 8, 7:49 AM EST | Snow Squall Warning | PHI | Carbon, Monroe, Northampton | 41 min |
| Jan 8, 8:28 AM EST | Snow Squall Warning | PHI | Berks, Bucks, Chester, Delaware, Montgomery | 47 min |
| Jan 8, 8:28 AM EST | Snow Squall Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 47 min |
| Jan 8, 11:25 AM EST | Snow Squall Warning | PHI | Berks | 35 min |
| Jan 8, 12:07 PM EST | Special Weather Statement | PHI | Montgomery | 23 min |
| Jan 8, 12:38 PM EST | Special Weather Statement | PHI | Montgomery, Philadelphia | 37 min |
| Jan 8, 12:49 PM EST | Snow Squall Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 26 min |
| Jan 8, 1:48 PM EST | Snow Squall Warning | PHI | Carbon, Monroe | 42 min |
| Jan 8, 2:05 PM EST | Special Weather Statement | PHI | Montgomery | 25 min |
| Jan 8, 2:32 PM EST | Special Weather Statement | PHI | Carbon, Northampton | 28 min |
| Jan 8, 2:33 PM EST | Special Weather Statement | PHI | Philadelphia | 27 min |
| Jan 8, 2:46 PM EST | Special Weather Statement | PHI | Berks | 44 min |
| Jan 8, 3:05 PM EST | Special Weather Statement | PHI | Northampton | 40 min |
| Jan 8, 8:48 AM EST | Snow Squall Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 42 min |
| Jan 8, 9:14 AM EST | Snow Squall Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 46 min |
| Jan 8, 9:57 AM EST | Special Weather Statement | PHI | Atlantic | 33 min |
| Jan 8, 1:08 PM EST | Snow Squall Warning | PHI | Burlington, Camden | 37 min |
| Jan 8, 2:10 PM EST | Special Weather Statement | PHI | Sussex | 35 min |
| Jan 8, 2:18 PM EST | Snow Squall Warning | PHI | Morris, Sussex | 42 min |
| Jan 8, 4:24 PM EST | Special Weather Statement | PHI | Warren | 36 min |
| Jan 8, 6:10 PM EST | Small Craft Advisory | PHI | 13 hr |
Nearby
Snow Squall Warnings in New Jersey, 2020Snow Squall Warnings in Pennsylvania, 2020Every snow squall warning in 2020
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.