Alert archive / Pennsylvania / Red Flag Warnings in 2013

Red Flag Warning 2, NWS State College, PA

April 5, 201333 counties in Pennsylvania

NWS State College, PA issued this red flag warning at Apr 5, 2013, 11:14 AM EDT for 33 counties in Pennsylvania. It took effect at Apr 5, 2013, 2:00 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 5, 2013, 11:14 AM EDT (15:14 UTC)
In effect from
Apr 5, 2013, 2:00 PM EDT
Expired
Apr 5, 2013, 8:00 PM EDT
In force
6 hr
Issued by
NWS State College, PA
All 33 counties

Adams County, PA, Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Elk County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Lycoming County, PA, McKean County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA, Union County, PA, Warren County, PA, York County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 3.2 hours before the alert went out and 201 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2013-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2013-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -93 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1366 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-93 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

048 
WWUS81 KCTP 051514
RFWCTP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1114 AM EDT FRI APR 5 2013

...GUSTY DRY CONDITIONS ARE EXPECTED TO DEVELOP THIS
AFTERNOON...RAISING THE DANGER OF WILD FIRE SPREAD...

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-052315-
/O.NEW.KCTP.FW.W.0002.130405T1800Z-130406T0000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
1114 AM EDT FRI APR 5 2013

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR ALL
OF CENTRAL PENNSYLVANIA...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A RED
FLAG WARNING FOR CENTRAL PENNSYLVANIA...WHICH IS IN EFFECT
UNTIL 8 PM EDT THIS EVENING. 

* AFFECTED AREA...CENTRAL PENNSYLVANIA.

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...THE AFTERNOON INTO THE EARLY EVENING HOURS.

* RELATIVE HUMIDITY...AS LOW AS 23 PERCENT.

* TEMPERATURES...IN THE UPPER 40S.

* LIGHTNING...NONE EXPECTED.

* IMPACTS...THE POTENTIAL EXISTS FOR RAPID FIRE SPREAD IF
  UNCONTROLLED FIRES DEVELOP...OR FOR PRESCRIBED BURNS TO GET OUT
  OF CONTROL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ANY
FIRES THAT DEVELOP MAY QUICKLY GET OUT OF CONTROL AND BECOME
DIFFICULT TO CONTAIN.

&&

$$

LA CORTE
1 follow-up statement
615 
WWUS81 KCTP 052043
RFWCTP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
443 PM EDT FRI APR 5 2013

...GUSTY WINDS AND VERY DRY CONDITIONS ARE EXPECTED TO CONTINUE
THROUGH EARLY THIS EVENING...RAISING THE DANGER OF RAPID WILD FIRE
SPREAD...

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-060000-
/O.CON.KCTP.FW.W.0002.000000T0000Z-130406T0000Z/
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
443 PM EDT FRI APR 5 2013

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING FOR ALL OF CENTRAL PENNSYLVANIA...

* AFFECTED AREA...ALL OF CENTRAL PENNSYLVANIA.

* WINDS...NORTHWEST 15 TO 20 MPH...WITH FREQUENT GUSTS AROUND 25
  MPH.

* TIMING...LATE THIS AFTERNOON INTO THE EARLY EVENING HOURS.

* RELATIVE HUMIDITY...AS LOW AS 20 TO 25 PERCENT.

* TEMPERATURES...RANGING FROM THE MID TO UPPER 40S ACROSS THE
  NORTHERN AND WESTERN MOUNTAINS...TO NEAR 60 ACROSS THE LOWER AND
  MIDDLE SUSQUEHANNA VALLEY.

* LIGHTNING...NONE EXPECTED.

* IMPACTS...THE POTENTIAL EXISTS FOR RAPID FIRE SPREAD IF 
  UNCONTROLLED FIRES DEVELOP...OR FOR PRESCRIBED BURNS TO GET 
  OUT OF CONTROL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. ANY
FIRES THAT DEVELOP MAY QUICKLY GET OUT OF CONTROL AND BECOME
DIFFICULT TO CONTAIN.

&&

$$

LAMBERT

Nearby

Red Flag Warnings in Pennsylvania, 2013Every red flag warning 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.