Alert archive / Pennsylvania / Flash Flood Watches in 2013
Flash Flood Watch 6, NWS State College, PA
NWS State College, PA issued this flash flood watch at Aug 13, 2013, 1:34 AM EDT for 12 counties in Pennsylvania. It took effect at Aug 13, 2013, 2:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2013, 1:34 AM EDT (05:34 UTC)
- In effect from
- Aug 13, 2013, 2:00 AM EDT
- Expired
- Aug 13, 2013, 10:41 AM EDT
- In force
- 9 hr
- Issued by
- NWS State College, PA
- Flood severity
- None
Counties Adams County, PA, Bedford County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Lancaster County, PA, Lebanon County, PA, Perry County, PA, Schuylkill County, PA, Somerset County, PA, York County, PA
The radar
The State College radar (KCCX), 105 km from the middle of the area, began a volume at 05:34 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, 5.6 hours before the alert went out and 133 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
- 1 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1841 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this flash flood watch 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 watch went out at Aug 12, 10:32 PM EDT, 3 hours 2 minutes earlier.
Area forecast discussion, Aug 12, 10:32 PM EDT, 3 hours 2 minutes before
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</html>Hazardous weather outlook, Aug 13, 1:34 AM EDT, 0 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 134 AM EDT TUE AUG 13 2013 PAZ004>006-010>012-017>019-024>028-037-041-042-045-046-049>053- 140545- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON- SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA- 134 AM EDT TUE AUG 13 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. THUNDERSTORMS MAY MAKE GUSTY WINDS OVER NORTHERN PENNSYLVANIA EARLY TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT LIKELY. PAZ033>036-056>059-063>066-140545- SOMERSET-BEDFORD-FULTON-FRANKLIN-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- 134 AM EDT TUE AUG 13 2013 ...FLASH FLOOD WATCH IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER AFTER TUESDAY MORNING IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED.
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 1:52 AM EDT | Special Weather Statement | CTP | Warren | 53 min |
| Aug 13, 2:19 AM EDT | Areal Flood Advisory | CTP | Warren | 3 hr |
| Aug 13, 2:34 AM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 56 min |
| Aug 13, 3:32 AM EDT | Special Weather Statement | CTP | Elk, Potter | 58 min |
| Aug 13, 4:00 AM EDT | Areal Flood Advisory | CTP | McKean | 2 hr |
| Aug 13, 4:40 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Juniata, Lancaster and 6 more | 3 hr |
| Aug 13, 4:44 AM EDT | Special Weather Statement | CTP | Cameron, Tioga | 61 min |
| Aug 13, 5:19 AM EDT | Special Weather Statement | CTP | Lancaster | 26 min |
| Aug 13, 6:32 AM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Lancaster, York | 4 hr |
| Aug 13, 7:04 AM EDT | Special Weather Statement | CTP | Lancaster | 56 min |
| Aug 13, 7:44 AM EDT | Special Weather Statement | CTP | Lancaster | 31 min |
| Aug 13, 12:41 PM EDT | Areal Flood Advisory | CTP | York | 3 hr |
| Aug 13, 1:53 PM EDT | Areal Flood Warning | CTP | Lancaster | 3 hr |
Nearby
Flash Flood Watches in Pennsylvania, 2013Every flash flood watch in 2013
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.