Alert archive / Pennsylvania / Flash Flood Warnings in 2023
Flash Flood Warning 56, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 15, 2023, 8:56 PM EDT for Carbon County, Pennsylvania. It was in force for 95 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 15, 2023, 8:56 PM EDT (00:56 UTC)
- Expired
- Jul 15, 2023, 10:31 PM EDT
- In force
- 95 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Carbon County, PA
The radar
The Philadelphia radar (KDIX), 150 km from the middle of the area, began a volume at 00:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 9:05 PM EDT | RAIN 2.19 | Jim Thorpe, PA | Storm total. |
| Jul 15, 9:40 PM EDT | RAIN 2.1 | 1 Sw Jim Thorpe, PA | Mesonet station GW2967 Jim Thorpe. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.9 hours before the alert went out and 240 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
- 1061 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 624 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.0
The text
As transmitted.
304
WGUS51 KPHI 160056
FFWPHI
PAC025-160345-
/O.NEW.KPHI.FF.W.0056.230716T0056Z-230716T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
856 PM EDT Sat Jul 15 2023
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Southern Carbon County in northeastern Pennsylvania...
* Until 1145 PM EDT.
* At 856 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1.5 and 2.5 inches of rain have fallen. The expected rainfall rate
is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.5 to
1 inch are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
* Some locations that may experience flash flooding include...
Lehighton, Palmerton, Jim Thorpe, Nesquehoning, Weatherly,
Beltzville State Park, Christmans, New Mahoning, Lansford, Summit
Hill, Bowmanstown, and Parryville.
This includes the following highways...
Northeast Extension between mile markers 72 and 88.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles. Be especially cautious at night when
it is harder to recognize the dangers of flooding.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 4082 7589 4085 7588 4101 7573 4100 7562
4095 7558 4083 7556 4079 7561 4077 7569
4074 7576
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR
$$
Staarmann2 follow-up statements
356
WGUS71 KPHI 160202
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1002 PM EDT Sat Jul 15 2023
PAC025-160345-
/O.CON.KPHI.FF.W.0056.000000T0000Z-230716T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carbon PA-
1002 PM EDT Sat Jul 15 2023
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT THIS
EVENING FOR SOUTHERN CARBON COUNTY...
At 1002 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1.5 and 3 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
Some locations that may experience flash flooding include...
Lehighton, Palmerton, Jim Thorpe, Nesquehoning, New Mahoning,
Beltzville State Park, Lansford, Summit Hill, Bowmanstown,
Parryville, Weissport, and Weissport East.
This includes the following highways...
Northeast Extension between mile markers 72 and 83.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles. Be especially cautious at night when
it is harder to recognize the dangers of flooding.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 4082 7589 4085 7588 4091 7574 4094 7564
4091 7561 4082 7559 4079 7561 4077 7569
4074 7576
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Staarmann485
WGUS71 KPHI 160231
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
1031 PM EDT Sat Jul 15 2023
PAC025-160241-
/O.CAN.KPHI.FF.W.0056.000000T0000Z-230716T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carbon PA-
1031 PM EDT Sat Jul 15 2023
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN CARBON COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat.
LAT...LON 4082 7589 4085 7588 4091 7574 4094 7564
4091 7561 4082 7559 4079 7561 4077 7569
4074 7576
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 8:37 PM EDT | Areal Flood Advisory | PHI | Carbon | 19 min |
| Jul 15, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 30 min |
| Jul 16, 12:50 AM EDT | Special Weather Statement | PHI | Berks | 25 min |
| Jul 16, 1:41 AM EDT | Special Weather Statement | PHI | Carbon, Lehigh | 34 min |
| Jul 16, 2:12 AM EDT | Special Weather Statement | PHI | Carbon, Lehigh, Monroe | 33 min |
| Jul 16, 2:43 AM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Jul 16, 2:47 AM EDT | Special Weather Statement | PHI | Chester, Delaware | 28 min |
| Jul 16, 3:40 AM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 7 hr |
| Jul 16, 4:05 AM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 6 hr |
| Jul 16, 4:14 AM EDT | Special Weather Statement | PHI | Bucks | 31 min |
| Jul 16, 4:38 AM EDT | Tornado Warning | PHI | Bucks | 37 min |
| Jul 16, 9:12 AM EDT | Flash Flood Warning | PHI | Chester | 2 hr |
| Jul 16, 9:40 AM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Jul 16, 9:53 AM EDT | Tornado Warning | PHI | Montgomery, Philadelphia | 37 min |
| Jul 16, 10:54 AM EDT | Areal Flood Warning | PHI | Monroe, Northampton | 5 hr |
| Jul 16, 11:08 AM EDT | Flash Flood Warning | PHI | Delaware, Philadelphia | 3 hr |
| Jul 16, 12:22 PM EDT | Areal Flood Advisory | PHI | Bucks, Philadelphia | 3 hr |
| Jul 16, 12:26 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 3 hr |
| Jul 16, 1:47 PM EDT | Areal Flood Advisory | PHI | Delaware, Philadelphia | 80 min |
| Jul 16, 6:44 PM EDT | Areal Flood Advisory | PHI | Bucks | 90 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2023Every flash flood warning in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.