Alert archive / Pennsylvania / Flash Flood Warnings in 2021
Flash Flood Warning 48, NWS Binghamton, NY
NWS Binghamton, NY issued this flash flood warning at Aug 18, 2021, 8:22 PM EDT for Bradford County, Pennsylvania. It was in force for 2 hr. 1 report 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
- Aug 18, 2021, 8:22 PM EDT (00:22 UTC)
- Expired
- Aug 18, 2021, 10:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
- Flood severity
- None
County Bradford County, PA
The radar
The Binghamton radar (KBGM), 38 km from the middle of the area, began a volume at 00:26 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 |
|---|---|---|---|
| Aug 18, 9:10 PM EDT | FLASH FLOOD | 1 Sse Litchfield, PA | WATER OVER A BRIDGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 0.4 hours before the alert went out and 220 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
- 286 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 902 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
835
WGUS51 KBGM 190022
FFWBGM
PAC015-190230-
/O.NEW.KBGM.FF.W.0048.210819T0022Z-210819T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Binghamton NY
822 PM EDT Wed Aug 18 2021
The National Weather Service in Binghamton has issued a
* Flash Flood Warning for...
Northeastern Bradford County in northeastern Pennsylvania...
* Until 1030 PM EDT.
* At 822 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 0.5 inches of rain have
fallen. The expected rainfall rate is 1 to 2 inches in 1 hour.
Additional rainfall amounts of 2 to 3 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Sayre, Waverly, Athens, Litchfield, South Waverly, Windham, Rome,
Le Raysville, Little Meadows, Warren Center, Milan, Orwell and
West Warren.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
&&
LAT...LON 4193 7614 4181 7613 4187 7646 4200 7660
4200 7655 4200 7652 4200 7649 4200 7645
4200 7638 4200 7625 4200 7615 4199 7615
4198 7614
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
NICOSIA1 follow-up statement
585
WGUS71 KBGM 190141
FFSBGM
Flash Flood Statement
National Weather Service Binghamton NY
941 PM EDT Wed Aug 18 2021
PAC015-190230-
/O.CON.KBGM.FF.W.0048.000000T0000Z-210819T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bradford PA-
941 PM EDT Wed Aug 18 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT THIS
EVENING FOR NORTHEASTERN BRADFORD COUNTY...
At 941 PM EDT, Doppler radar indicated that the heavy rain has moved
out of northeast Bradford County. Between 1.5 and 3 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Sayre, Waverly, Athens, Litchfield, South Waverly, Windham, Rome, Le
Raysville, Little Meadows, Warren Center, Milan, Orwell and West
Warren.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
&&
LAT...LON 4193 7614 4181 7613 4187 7646 4200 7660
4200 7655 4200 7652 4200 7649 4200 7645
4200 7638 4200 7625 4200 7615 4199 7615
4198 7614
FLASH FLOOD...RADAR INDICATED
$$
DJNThe office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 11:03 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Pike, Susquehanna, Wayne | 117 min |
| Aug 19, 12:41 AM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 2 hr |
| Aug 19, 9:53 AM EDT | River Flood Warning | BGM | Bradford | 6 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2021Every flash flood warning in 2021
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.