Alert archive / Pennsylvania / Red Flag Warnings in 2016

Red Flag Warning 2, NWS State College, PA

April 19, 201625 counties in Pennsylvania

NWS State College, PA issued this red flag warning at Apr 19, 2016, 4:22 AM EDT for 25 counties in Pennsylvania. It took effect at Apr 19, 2016, 12:00 PM EDT. It was in force for 8 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 19, 2016, 4:22 AM EDT (08:22 UTC)
In effect from
Apr 19, 2016, 12:00 PM EDT
Expired
Apr 19, 2016, 8:00 PM EDT
In force
8 hr
Issued by
NWS State College, PA
All 25 counties

Adams County, PA, Bedford County, PA, Blair County, PA, Centre County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Lycoming County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Sullivan County, PA, Tioga County, PA, Union County, PA, York County, PA

The radar

The State College radar (KCCX), 76 km from the middle of the area, began a volume at 08:20 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 00:00Z, 8.4 hours before the alert went out and 185 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 00:00Z on 2016-04-19Temperature 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 00:00Z on 2016-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 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
2991 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

103 
WWUS81 KCTP 190822
RFWCTP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
422 AM EDT TUE APR 19 2016


PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-191630-
/O.UPG.KCTP.FW.A.0001.160419T1600Z-160420T0000Z/
/O.NEW.KCTP.FW.W.0002.160419T1600Z-160420T0000Z/
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
422 AM EDT TUE APR 19 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR MUCH OF CENTRAL PENNSYLVANIA...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM EDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...CENTRAL AND EASTERN PARTS OF THE COMMONWEALTH.

* WINDS...NORTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* MINIMUM RELATIVE HUMIDITY...20 TO 30 PERCENT.

* TIMING...MINIMUM RELATIVE HUMIDITY AND PEAK WINDS BETWEEN 1 PM 
  AND 6 PM.

* 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/CTP (ALL LOWER CASE)
1 follow-up statement
095 
WWUS81 KCTP 191543
RFWCTP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1143 AM EDT TUE APR 19 2016


PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-200000-
/O.CON.KCTP.FW.W.0002.160419T1600Z-160420T0000Z/
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-
CUMBERLAND-ADAMS-YORK-LANCASTER-
1143 AM EDT TUE APR 19 2016

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

* AFFECTED AREA...CENTRAL AND EASTERN PARTS OF THE COMMONWEALTH.

* WINDS...NORTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* MINIMUM RELATIVE HUMIDITY...20 TO 30 PERCENT.

* TIMING...MINIMUM RELATIVE HUMIDITY AND PEAK WINDS BETWEEN 1 PM 
  AND 6 PM.

* 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/CTP (ALL LOWER CASE)

Nearby

Red Flag Warnings in Pennsylvania, 2016Every red flag warning in 2016

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.