Alert archive / Pennsylvania / Flash Flood Warnings in 2010
Flash Flood Warning 15, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 14, 2010, 1:05 AM EDT for Cambria County, Somerset County, Pennsylvania. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 14, 2010, 1:05 AM EDT (05:05 UTC)
- Expired
- Jul 14, 2010, 4:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cambria County, PA, Somerset County, PA
The radar
The State College radar (KCCX), 106 km from the middle of the area, began a volume at 05:06 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 5.1 hours before the alert went out and 190 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
- 260 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS State College, PA wrote its last area forecast discussion before this flash flood warning went out at Jul 13, 10:02 PM EDT, 3 hours 3 minutes earlier.
Area forecast discussion, Jul 13, 10:02 PM EDT, 3 hours 3 minutes before
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</html>Hazardous weather outlook, Jul 13, 6:54 AM EDT, 18 hours 11 minutes before
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Special weather statement, Jul 13, 9:55 PM EDT, 3 hours 10 minutes before
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</html>The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 9:55 PM EDT | Special Weather Statement | CTP | Lancaster | 110 min |
| Jul 13, 10:23 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Cumberland, Huntingdon, Juniata and 3 more | 3 hr |
| Jul 13, 11:29 PM EDT | Flash Flood Warning | CTP | Bedford, Cambria, Somerset | 5 hr |
| Jul 14, 1:04 AM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon, York | 3 hr |
| Jul 14, 1:21 AM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cumberland, Fulton, Huntingdon, Juniata and 2 more | 3 hr |
| Jul 14, 1:44 AM EDT | Areal Flood Advisory | CTP | Dauphin, Juniata, Lebanon, Northumberland, Perry, Schuylkill | 3 hr |
| Jul 14, 2:49 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 2 more | 3 hr |
| Jul 14, 5:28 AM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Snyder, Union | 3 hr |
| Jul 14, 6:27 AM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland | 3 hr |
| Jul 14, 10:10 AM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Jul 14, 10:41 AM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Jul 14, 10:59 AM EDT | Areal Flood Advisory | CTP | Schuylkill | 4 hr |
| Jul 14, 11:23 AM EDT | Areal Flood Advisory | CTP | Lebanon | 3 hr |
| Jul 14, 1:58 PM EDT | Areal Flood Warning | CTP | Lancaster | 4 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2010Every flash flood warning in 2010
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.