Alert archive / Pennsylvania / Special Weather Statements in 2011
Special Weather Statement, NWS State College, PA
NWS State College, PA issued this special weather statement at Sep 7, 2011, 2:17 PM EDT for Lancaster County, Pennsylvania. It was in force for 13 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2011, 2:17 PM EDT (18:17 UTC)
- Expired
- Sep 7, 2011, 2:30 PM EDT
- In force
- 13 min
- Issued by
- NWS State College, PA
County Lancaster County, PA
The radar
The Sterling radar (KLWX), 150 km from the middle of the area, began a volume at 18:20 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 12:00Z, 6.3 hours before the alert went out and 148 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
- -270 J/kg
- Mixed-layer LCL
- 448 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Sep 7, 1:06 PM EDT, 1 hour 11 minutes earlier.
Area forecast discussion, Sep 7, 1:06 PM EDT, 1 hour 11 minutes before
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</html>Hazardous weather outlook, Sep 7, 5:35 AM EDT, 8 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 535 AM EDT WED SEP 7 2011 PAZ004>006-010>012-017>019-024>028-033>035-037-041-042-045-046- 049>053-080930- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-SOMERSET-BEDFORD-FULTON-TIOGA-NORTHERN LYCOMING-SULLIVAN- SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA- 535 AM EDT WED SEP 7 2011 ...FLOOD WATCH IN EFFECT THROUGH THURSDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. PAZ036-056>059-063>066-080930- FRANKLIN-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK- LANCASTER- 535 AM EDT WED SEP 7 2011 ...FLOOD WATCH IN EFFECT THROUGH THURSDAY EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. IN ADDITION TO THE THREAT OF FLOODING...THERE IS SLIGHT CHANCE FOR STRONG TO SEVERE THUNDERSTORMS TODAY. SOME OF THE STORMS COULD LINGER INTO THE EARLY EVENING HOURS. SOME STORMS COULD PRODUCE STRONG WINDS AND EVEN AN ISOLATED TORNADO. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MARTIN
In the hours before
Local storm report, Sep 7, 11:35 AM EDT, 2 hours 42 minutes before
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</html>Local storm report, Sep 7, 11:56 AM EDT, 2 hours 21 minutes before
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</html>Local storm report, Sep 7, 1:20 PM EDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
120 PM EDT WED SEP 07 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1115 AM FLOOD 2 N STATE COLLEGE 40.82N 77.86W
09/07/2011 CENTRE PA NEWSPAPER
FOX HOLLOW ROAD IS CLOSED NEAR TOFTREES DUE TO
FLOODING.
0113 PM FLASH FLOOD FELTON 39.86N 76.56W
09/07/2011 YORK PA 911 CALL CENTER
EVACUATIONS ONGOING IN FELTON DUE TO FLOODING.
0115 PM FLASH FLOOD DOVER 40.00N 76.85W
09/07/2011 YORK PA 911 CALL CENTER
EVACUATIONS ONGOING IN DOVER DUE TO FLOODING.
0116 PM FLASH FLOOD YORK 39.96N 76.73W
09/07/2011 YORK PA 911 CALL CENTER
NUMEROUS WATER RESCUES REPORTED ACROSS YORK COUNTY.
&&
EVENT NUMBER CTP1100407 CTP1100408 CTP1100409 CTP1100410
EVANEGOSpecial weather statement, Sep 7, 1:22 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 122 PM EDT WED SEP 7 2011 PAZ059-066-071745- LANCASTER PA-LEBANON PA- 122 PM EDT WED SEP 7 2011 ...A THUNDERSTORM WITH HEAVY RAIN WILL AFFECT EASTERN LEBANON AND NORTHWESTERN LANCASTER COUNTIES... AT 114 PM EDT...A STRONG THUNDERSTORM WAS NEAR MOUNT JOY...MOVING NORTHEAST AT 45 MPH. WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN WILL CAUSE RAPID RISES ON SMALL STREAMS AND CREEKS. THIS STORM WILL AFFECT CORNWALL AND MYERSTOWN. FLOOD AND FLASH FLOOD WARNINGS ARE ALREADY IN EFFECT FOR THIS ENTIRE AREA. SLIGHT ROTATION HAS BEEN DETECTED IN THIS STORM. BE PREPARED TO TAKE ACTION IF A SEVERE THUNDERSTORM OR TORNADO WARNING IS ISSUED. LAT...LON 4004 7636 4009 7659 4050 7643 4032 7616 FORECASTER: DANGELO
Local storm report, Sep 7, 1:48 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
148 PM EDT WED SEP 07 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0115 PM FLASH FLOOD CAMPBELLTOWN 40.28N 76.58W
09/07/2011 LEBANON PA PUBLIC
PONDING OF WATER ON ROADWAYS ACROSS LEBANON COUNTY.
0136 PM FLASH FLOOD ELIZABETHTOWN 40.15N 76.60W
09/07/2011 LANCASTER PA TRAINED SPOTTER
CONOY CREEK OUT OF ITS BANKS. NORTH MARKET STREET
CLOSED.
0140 PM FLASH FLOOD WEIGELSTOWN 39.99N 76.83W
09/07/2011 YORK PA AMATEUR RADIO
ROUTE 74 CLOSED DUE TO FLOODING NEAR WEST MANCHESTER
TWP AND DOVER TWP LINE.
&&
EVENT NUMBER CTP1100413 CTP1100411 CTP1100412
EVANEGOSpecial weather statement, Sep 7, 2:17 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
217 PM EDT WED SEP 7 2011
PAZ065-066-071830-
LANCASTER PA-YORK PA-
217 PM EDT WED SEP 7 2011
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL YORK AND WESTERN
LANCASTER COUNTIES...
AT 213 PM EDT...A STRONG THUNDERSTORM WAS NEAR WINDSOR...MOVING NORTH
AT 50 MPH.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM. VERY HEAVY RAIN
WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND
FILL POOR DRAINAGE AREAS. THE RAIN WILL CAUSE RAPID RISES ON SMALL
STREAMS AND CREEKS. DOPPLER RADAR HAS DETECTED SOME ROTATION IN THIS
STORM. BE PREPARED TO TAKE ACTION IF A SEVERE THUNDERSTORM OR
TORNADO WARNING IS ISSUED.
THIS STORM WILL AFFECT MANCHESTER...COLUMBIA...MOUNT JOY AND MANHEIM.
THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 265 AND 276...I-83 BETWEEN
MILE MARKERS 12 AND 19.
THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...STATE HIGHWAY
283...ROUTE 30...ROUTE 322...STATE ROAD 501.
LAT...LON 3989 7670 4014 7669 4021 7654 4024 7643
4025 7630 4028 7624 3984 7648
FORECASTER: DANGELOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 8:32 PM EDT | Areal Flood Warning | CTP | Franklin, Fulton, Huntingdon, Juniata, Mifflin, Perry | 16 hr |
| Sep 6, 10:20 PM EDT | Areal Flood Warning | CTP | Columbia, Cumberland, Dauphin, Lycoming, Montour, Northumberland and 3 more | 14 hr |
| Sep 6, 11:24 PM EDT | River Flood Warning | CTP | Huntingdon | 22 hr |
| Sep 6, 11:24 PM EDT | River Flood Warning | CTP | Clinton | 31 hr |
| Sep 6, 11:24 PM EDT | River Flood Warning | CTP | Bedford | 18 hr |
| Sep 7, 2:53 AM EDT | Areal Flood Advisory | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 8 more | 6 hr |
| Sep 7, 4:49 AM EDT | River Flood Warning | CTP | Lycoming, Sullivan | 41 hr |
| Sep 7, 6:15 AM EDT | Areal Flood Warning | CTP | Centre, Clinton, Lycoming | 6 hr |
| Sep 7, 6:40 AM EDT | Special Weather Statement | CTP | Mifflin | 35 min |
| Sep 7, 8:32 AM EDT | Areal Flood Advisory | CTP | Adams, York | 3 hr |
| Sep 7, 9:33 AM EDT | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, York | 10 hr |
| Sep 7, 10:23 AM EDT | Flash Flood Warning | CTP | Columbia, Dauphin, Lycoming, Montour, Northumberland, Schuylkill and 4 more | 12 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Huntingdon, Mifflin | 6 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Huntingdon, Juniata, Mifflin | 10 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Juniata, Perry | 10 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Columbia | 4 days |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Columbia, Montour, Northumberland | 4 days |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Union | 4 days |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Cumberland, Dauphin, Juniata, Lancaster, Northumberland, Perry and 2 more | 4 days |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Lancaster, York | 4 days |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Lycoming | 49 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Lycoming, Northumberland, Union | 49 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Northumberland, Union | 44 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Northumberland, Union | 44 hr |
| Sep 7, 11:22 AM EDT | River Flood Warning | CTP | Northumberland, Union | 53 hr |
| Sep 7, 12:09 PM EDT | Areal Flood Warning | CTP | Adams, Centre, Clinton, Columbia, Cumberland, Dauphin and 17 more | 12 hr |
| Sep 7, 1:22 PM EDT | Special Weather Statement | CTP | Lebanon | 23 min |
| Sep 7, 2:56 PM EDT | Special Weather Statement | CTP | Lancaster | 34 min |
| Sep 7, 3:28 PM EDT | River Flood Warning | CTP | Lancaster, York | 44 hr |
| Sep 7, 4:14 PM EDT | Flash Flood Warning | CTP | Schuylkill | 6 hr |
| Sep 7, 7:00 PM EDT | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, York | 6 hr |
| Sep 7, 7:46 PM EDT | Special Weather Statement | CTP | Schuylkill | 29 min |
Nearby
Special Weather Statements in Pennsylvania, 2011Every special weather statement in 2011
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.