Alert archive / Pennsylvania / Areal Flood Advisories in 2020

Areal Flood Advisory 26, NWS Philadelphia/Mount Holly

June 11, 2020Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this areal flood advisory at Jun 11, 2020, 5:04 AM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 11, 2020, 5:04 AM EDT (09:04 UTC)
Expired
Jun 11, 2020, 8:00 AM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 140 km from the middle of the area, began a volume at 09:05 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, 9.1 hours before the alert went out and 224 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2020-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2020-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
39 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this areal flood advisory went out at Jun 11, 3:54 AM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Jun 11, 3:54 AM EDT, 1 hour 10 minutes before
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Hazardous weather outlook, Jun 11, 4:06 AM EDT, 58 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
406 AM EDT Thu Jun 11 2020

DEZ001>003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-015>023-027-
PAZ054-055-060>062-070-071-101>106-120815-
New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-
Caroline-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-
Western Monmouth-Mercer-Salem-Gloucester-Camden-
Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-
Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton-
Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
406 AM EDT Thu Jun 11 2020

This Hazardous Weather Outlook is for central Delaware, northern
Delaware, southern Delaware, northeast Maryland, central New
Jersey, northern New Jersey, northwest New Jersey, southern New
Jersey, east central Pennsylvania, northeast Pennsylvania and
southeast Pennsylvania.

.DAY ONE...Today and tonight.

A broken line of showers and thunderstorms will move across the area
on Thursday. Some of these storms could become severe. Damaging wind
gusts will be the primary threat.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

NJZ014-024>026-120815-
Eastern Monmouth-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-
406 AM EDT Thu Jun 11 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

This Hazardous Weather Outlook is for central New Jersey and
southern New Jersey.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Rip Current Risk.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

DEZ004-120815-
Delaware Beaches-
406 AM EDT Thu Jun 11 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

This Hazardous Weather Outlook is for southern Delaware.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Rip Current Risk.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

ANZ430-431-450>455-120815-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
406 AM EDT Thu Jun 11 2020

This Hazardous Weather Outlook is for Atlantic coastal waters and
Delaware Bay Waters.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information about
observed severe weather to the NWS while following all local, state,
and CDC guidelines.

In the hours before

Special weather statement, Jun 10, 11:36 PM EDT, 5 hours 28 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
1136 PM EDT Wed Jun 10 2020

PAZ054-055-110400-
Monroe-Carbon-
1136 PM EDT Wed Jun 10 2020

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN CARBON AND
NORTHWESTERN MONROE COUNTIES...

At 1136 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Pocono Pines to Lake Harmony.
Movement was northeast at 30 mph.

Wind gusts up to 50 mph and half inch hail are possible with these
storms.

Locations impacted include...
Mount Pocono, Tobyhanna, Pocono Pines, Pocono Raceway, Lake Harmony,
Skytop, Mountainhome, Canadensis, Blakeslee, Long Pond,
Albrightsville, Gouldsboro State Park and Cresco.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 285 and 298.
 Interstate 380 in Pennsylvania between mile markers 0 and 12.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4122 7514 4106 7538 4099 7560 4109 7563
      4123 7548 4125 7518 4125 7513
TIME...MOT...LOC 0336Z 226DEG 27KT 4112 7541 4105 7556

Staarmann
Special weather statement, Jun 10, 11:53 PM EDT, 5 hours 11 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
1153 PM EDT Wed Jun 10 2020

PAZ055-110430-
Monroe-
1153 PM EDT Wed Jun 10 2020

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN MONROE COUNTY...

At 1153 PM EDT, a strong thunderstorm was located over Tobyhanna, or
near Mount Pocono, moving northeast at 30 mph.

Wind gusts up to 50 mph and half inch hail are possible with this
storm.

Locations impacted include...
Mount Pocono, Tobyhanna, Skytop, Mountainhome, Canadensis and Pocono
Pines.

This includes Interstate 380 in Pennsylvania between mile markers 3
and 10.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4124 7513 4108 7544 4115 7551 4124 7542
      4125 7518 4125 7513
TIME...MOT...LOC 0353Z 226DEG 25KT 4115 7543

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 3:16 AM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean18 hr
Jun 11, 1:55 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester3 hr
Jun 11, 1:59 PM EDTAreal Flood AdvisoryPHIMercer, Middlesex, Monmouth, Ocean4 hr
Jun 11, 2:15 PM EDTFlash Flood WarningPHIBurlington, Monmouth, Ocean4 hr
Jun 11, 3:33 PM EDTAreal Flood AdvisoryPHIOcean3 hr
Jun 10, 8:41 PM EDTSpecial Weather StatementPHILebanon34 min
Jun 10, 9:14 PM EDTSpecial Weather StatementPHILebanon46 min
Jun 10, 9:28 PM EDTSpecial Weather StatementPHICarbon47 min
Jun 10, 10:04 PM EDTSpecial Weather StatementPHICarbon41 min
Jun 10, 10:22 PM EDTAreal Flood AdvisoryPHICarbon4 hr
Jun 10, 11:07 PM EDTAreal Flood AdvisoryPHIMonroe3 hr
Jun 10, 11:36 PM EDTSpecial Weather StatementPHIMonroe24 min
Jun 10, 11:53 PM EDTSpecial Weather StatementPHIMonroe37 min
Jun 11, 6:35 PM EDTAreal Flood AdvisoryPHISussex115 min
Jun 11, 7:27 PM EDTSpecial Weather StatementPHISussex33 min
Jun 11, 7:41 PM EDTAreal Flood AdvisoryPHISussex2 hr
Jun 11, 7:58 PM EDTFlash Flood WarningPHISussex4 hr

Nearby

Areal Flood Advisories in Pennsylvania, 2020Every areal flood advisory 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; radar from the NEXRAD Level II archive.