Alert archive / Pennsylvania / Red Flag Warnings in 2007
Red Flag Warning 2, NWS State College, PA
NWS State College, PA issued this red flag warning at May 5, 2007, 2:31 PM EDT for 9 counties in Pennsylvania. It was in force for 5 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
- May 5, 2007, 2:31 PM EDT (18:31 UTC)
- Expired
- May 5, 2007, 8:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS State College, PA
Counties Cameron County, PA, Clinton County, PA, Elk County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Sullivan County, PA, Tioga County, PA, Warren County, PA
The radar
The State College radar (KCCX), 71 km from the middle of the area, began a volume at 18:34 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.5 hours before the alert went out and 166 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2533 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -98 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS81 KCTP 051831 RFWCTP RED FLAG WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 231 PM EDT SAT MAY 5 2007 ...INCREASING POTENTIAL FOR RAPID WILDFIRE SPREAD OVER NORTHERN PENNSYLVANIA THIS AFTERNOON AND EVENING...AND ACROSS ALL OF PENNSYLVANIA DURING THE DAY SUNDAY... .A DRY COLD FRONT WILL PUSH SOUTH ACROSS THE NORTHERN TIER OF PENNSYLVANIA LATE THIS AFTERNOON...CAUSING A NORTHERLY WIND TO INCREASE TO AROUND 15 MPH WITH GUSTS UP TO 25 MPH. DRY FINE FUELS AND LOW RELATIVE HUMIDITY WILL COMBINE WITH THE WIND TO PRODUCE A POTENTIAL FOR RAPID FIRE GROWTH ACROSS THIS REGION. THE GUSTY NORTH TO NORTHEAST WIND UP TO 25 MPH WILL OCCUR ACROSS ALL OF CENTRAL PENNSYLVANIA AND THE SUSQUEHANNA VALLEY SUNDAY AFTERNOON INTO THE EARLY EVENING...CREATED BY A MODERATELY STRONG DIFFERENCE IN PRESSURE BETWEEN A HIGH OVER SOUTHEASTERN CANADA...AND LOW PRESSURE STRENGTHENING JUST OFF THE NORTH CAROLINA COAST. PAZ004>006-010>012-037-041-042-060300- /O.NEW.KCTP.FW.W.0002.070505T1831Z-070506T0000Z/ /O.CON.KCTP.FW.A.0002.070506T1600Z-070506T2300Z/ WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-TIOGA- NORTHERN LYCOMING-SULLIVAN- 231 PM EDT SAT MAY 5 2007 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. A DRY COLD FRONT WILL PUSH SOUTH ACROSS THE NORTHERN TIER OF PENNSYLVANIA LATE THIS AFTERNOON...CAUSING A NORTHERLY WIND TO INCREASE TO AROUND 15 MPH WITH GUSTS UP TO 25 MPH. DRY FINE FUELS AND LOW RELATIVE HUMIDITY WILL COMBINE WITH THE WIND TO PRODUCE A POTENTIAL FOR RAPID FIRE GROWTH ACROSS THIS REGION. A MODERATELY STRONG DIFFERENCE IN PRESSURE BETWEEN A HIGH OVER SOUTHEASTERN CANADA AND LOW PRESSURE STRENGTHENING JUST OFF THE NORTH CAROLINA COAST WILL CAUSE NORTH TO NORTHEAST WINDS TO AVERAGE 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH ONCE AGAIN SUNDAY AFTERNOON AND EARLY SUNDAY EVENING. THIS WIND...COMBINED WITH 10 HOUR FUEL MOISTURE BELOW 10 PERCENT AND RELATIVE HUMIDITY IN THE 20 TO 30 PERCENT RANGE...WILL CREATE A POTENTIAL FOR ERRATIC FIRE BEHAVIOR AND RAPID SPREAD. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ PAZ017>019-024>028-033>036-045-046-049>053-056>059-063>066-060300- /O.CON.KCTP.FW.A.0002.070506T1600Z-070506T2300Z/ CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR- HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN- SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- 231 PM EDT SAT MAY 5 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. A MODERATELY STRONG DIFFERENCE IN PRESSURE BETWEEN A HIGH OVER SOUTHEASTERN CANADA AND LOW PRESSURE STRENGTHENING JUST OFF THE NORTH CAROLINA COAST WILL CAUSE NORTH TO NORTHEAST WINDS TO AVERAGE 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH SUNDAY AFTERNOON INTO SUNDAY EVENING. THIS WIND...COMBINED WITH 10 HOUR FUEL MOISTURE BELOW 10 PERCENT AND RELATIVE HUMIDITY IN THE 20 TO 30 PERCENT RANGE...WILL CREATE A POTENTIAL FOR ERRATIC FIRE BEHAVIOR AND RAPID SPREAD. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ LAMBERT/GRUMM
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 1:46 PM EDT | Fire Weather Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 13 hr |
Nearby
Red Flag Warnings in Pennsylvania, 2007Every red flag warning in 2007
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.