Alert archive / Pennsylvania / Red Flag Warnings in 2012
Red Flag Warning 5, NWS State College, PA
NWS State College, PA issued this red flag warning at Apr 10, 2012, 4:19 AM EDT for 8 counties in Pennsylvania. It took effect at Apr 10, 2012, 1:00 PM EDT. 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 counties it named.
The facts
- Issued
- Apr 10, 2012, 4:19 AM EDT (08:19 UTC)
- In effect from
- Apr 10, 2012, 1:00 PM EDT
- Expired
- Apr 10, 2012, 7:22 PM EDT
- In force
- 6 hr
- Issued by
- NWS State College, PA
Counties Adams County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Lancaster County, PA, Lebanon County, PA, Perry County, PA, York County, PA
The radar
The State College radar (KCCX), 124 km from the middle of the area, began a volume at 08:22 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, 8.3 hours before the alert went out and 137 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
- 2014 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
676 WWUS81 KCTP 100819 RFWCTP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 419 AM EDT TUE APR 10 2012 PAZ025>028-034-035-058-100930- /O.CAN.KCTP.FW.A.0004.120410T1700Z-120411T0000Z/ BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-SCHUYLKILL- 419 AM EDT TUE APR 10 2012 ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE FIRE WEATHER WATCH. RELATIVE HUMIDITY SHOULD STAY ABOVE 30 PERCENT THIS AFTERNOON. HOWEVER...THE FUELS REMAIN DRY AND WINDS WILL GUST OVER 20 MPH FREQUENTLY DURING THE DAY. THE COOLER WEATHER AND ISOLATED TO SCATTERED SHOWERS ON WEDNESDAY SHOULD ALSO KEEP MOST THE AREA BELOW RED FLAG WARNING CRITERIA. $$ PAZ036-056-057-059-063>066-101630- /O.UPG.KCTP.FW.A.0004.120410T1700Z-120411T0000Z/ /O.NEW.KCTP.FW.W.0005.120410T1700Z-120411T0000Z/ FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER- 419 AM EDT TUE APR 10 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING FOR THE LOWER SUSQUEHANNA VALLEY... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A RED FLAG WARNING WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE LOWER SUSQUEHANNA VALLEY. * WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * TIMING...THIS AFTERNOON AND EARLY THIS EVENING. * RELATIVE HUMIDITY...AROUND OR JUST BELOW 30 PERCENT. * TEMPERATURES...HIGHS IN THE LOWER 50S. * IMPACTS...THE POTENTIAL EXISTS FOR RAPID SPREAD OF WILD FIRES DEVELOP...OR FOR PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ DANGELO
2 follow-up statements
174 WWUS81 KCTP 101450 RFWCTP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 1050 AM EDT TUE APR 10 2012 PAZ036-056-057-059-063>066-110000- /O.CON.KCTP.FW.W.0005.120410T1700Z-120411T0000Z/ FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER- 1050 AM EDT TUE APR 10 2012 ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE LOWER SUSQUEHANNA VALLEY REGION AND LOCATIONS TO THE EAST... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. * AFFECTED AREA...THE LOWER SUSQUEHANNA VALLEY...AND LOCATIONS TO THE EAST. * WINDS...WEST NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * TIMING...THIS AFTERNOON AND EARLY THIS EVENING. * RELATIVE HUMIDITY...AROUND OR JUST BELOW 30 PERCENT DURING THE MID TO LATE AFTERNOON. * TEMPERATURES...HIGHS IN THE MID TO UPPER 50S. * IMPACTS...THE POTENTIAL EXISTS FOR RAPID DEVELOPMENT AND SPREAD OF WILD FIRES...OR FOR PRESCRIBED BURNS TO GET OUT OF CONTROL. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ LAMBERT/STEINBUGL
152 WWUS81 KCTP 102322 RFWCTP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE STATE COLLEGE PA 722 PM EDT TUE APR 10 2012 PAZ036-056-057-059-063>066-110030- /O.CAN.KCTP.FW.W.0005.000000T0000Z-120411T0000Z/ FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER- 722 PM EDT TUE APR 10 2012 ...RED FLAG WARNING IS CANCELLED FOR THE LOWER SUSQUEHANNA VALLEY REGION...FOR FIRE WEATHER ZONES 036...056...057...059...063...064...065 AND 066... THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE RED FLAG WARNING. AS TEMPERATURES COOL DOWN...RELATIVE HUMIDITIES ARE RISING OVER 40% OVER THE AREA. THIS WILL HELP DIMINISH THE WILD FIRE THREAT. $$
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 4:12 AM EDT | Freeze Watch | CTP | Cambria, Centre, Clearfield, Somerset | 7 hr |
| Apr 10, 11:08 AM EDT | Freeze Warning | CTP | Cambria, Centre, Clearfield, Somerset | 22 hr |
Nearby
Red Flag Warnings in Pennsylvania, 2012Every red flag warning in 2012
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.