Alert archive / Pennsylvania / Flash Flood Warnings in 2017
Flash Flood Warning 15, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Aug 4, 2017, 12:48 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2017, 12:48 PM EDT (16:48 UTC)
- Expired
- Aug 4, 2017, 6:45 PM EDT
- In force
- 6 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, PA, Erie County, PA
The radar
The Buffalo radar (KBUF), 149 km from the middle of the area, began a volume at 16:47 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.8 hours before the alert went out and 150 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
- 243 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 895 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted.
496
WGUS51 KCLE 041648
FFWCLE
PAC039-049-042245-
/O.NEW.KCLE.FF.W.0015.170804T1648Z-170804T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
1248 PM EDT FRI AUG 4 2017
The National Weather Service in Cleveland has issued a
* Flash Flood Warning for...
Erie County in northwestern Pennsylvania...
Crawford County in northwestern Pennsylvania...
* Until 645 PM EDT
* At 1248 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen in some areas. Flash flooding is expected to begin
shortly.
* Some locations that will experience flooding include...
Erie, Meadville, Corry, Edinboro, North East, Union City, Cambridge
Springs, Waterford, Albion, Linesville, Wattsburg, Adamsville,
Canadohta Lake, Riceville, Harmonsburg, Northwest Harborcreek,
Lincolnville, Atlantic, Harborcreek and Lawrence Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4227 7977 4201 7976 4200 7962 4193 7961
4148 8018 4149 8052 4180 8047 4196 8035
4223 7998 4227 7983
$$
Adams1 follow-up statement
743
WGUS71 KCLE 041750
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
150 PM EDT FRI AUG 4 2017
PAC039-049-042245-
/O.CON.KCLE.FF.W.0015.000000T0000Z-170804T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Erie PA-Crawford PA-
150 PM EDT FRI AUG 4 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR
ERIE AND CRAWFORD COUNTIES...
At 146 PM EDT, most of the heavy rainfall had pushed east of the
area. These storms brought up to 3 inches of rainfall to some areas.
Additional thunderstorms are likely through the afternoon. Runoff
from these storms will continue to raise stream and creek
levels. Flash flooding could begin shortly.
Some locations that will experience flooding include...
Springsboro and Conneautville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4227 7977 4201 7976 4200 7962 4193 7961
4148 8018 4149 8052 4180 8047 4196 8035
4223 7998 4227 7983
$$
JamisonThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 3:55 AM EDT | Beach Hazards Statement | CLE | Erie | 47 hr |
| Aug 4, 11:23 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 67 min |
| Aug 4, 11:58 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 62 min |
| Aug 4, 12:18 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 3 hr |
| Aug 4, 12:57 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 63 min |
| Aug 4, 2:58 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 77 min |
| Aug 4, 4:12 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 34 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2017Every flash flood warning in 2017
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.