Alert archive / Pennsylvania / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Binghamton, NY

April 17, 20127 counties in Pennsylvania

NWS Binghamton, NY issued this red flag warning at Apr 17, 2012, 4:02 AM EDT for 7 counties in Pennsylvania. It took effect at Apr 17, 2012, 10:00 AM EDT. It was in force for 10 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 17, 2012, 4:02 AM EDT (08:02 UTC)
In effect from
Apr 17, 2012, 10:00 AM EDT
Expired
Apr 17, 2012, 8:00 PM EDT
In force
10 hr
Issued by
NWS Binghamton, NY

Counties Bradford County, PA, Lackawanna County, PA, Luzerne County, PA, Pike County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 77 km from the middle of the area, began a volume at 08:03 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

Albany, NY (KALY), launched 00:00Z, 8.0 hours before the alert went out and 204 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, Albany, NY at 00:00Z on 2012-04-17Temperature 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, Albany, NY at 00:00Z on 2012-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 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
3273 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
269 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.

738 
WWUS81 KBGM 170802
RFWBGM

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BINGHAMTON NY
402 AM EDT TUE APR 17 2012

NYZ046-057-062-PAZ038>040-043-044-047-048-072-171615-
/O.NEW.KBGM.FW.W.0007.120417T1400Z-120418T0000Z/
OTSEGO-DELAWARE-SULLIVAN-BRADFORD-SUSQUEHANNA-NORTHERN WAYNE-
WYOMING-LACKAWANNA-LUZERNE-PIKE-SOUTHERN WAYNE-
402 AM EDT TUE APR 17 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING FOR NORTHEAST PENNSYLVANIA AND OTSEGO...DELAWARE...
AND SULLIVAN COUNTIES IN NEW YORK...

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING.

* AFFECTED AREA...OTSEGO...DELAWARE...AND SULLIVAN COUNTIES IN NEW
  YORK AND ALL OF NORTHEAST PENNSYLVANIA. 

* WINDS...NORTHWEST 10 TO 20 MPH WITH FREQUENT GUSTS UP TO 25 MPH.

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

* IMPACTS...ANY FIRES THAT DEVELOP WILL BE CAPABLE OF RAPID SPREAD
  AND GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED AT THIS TIME. 

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.

&&

$$
2 follow-up statements
111 
WWUS81 KBGM 171823
RFWBGM

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BINGHAMTON NY
223 PM EDT TUE APR 17 2012

NYZ046-057-062-PAZ038>040-043-044-047-048-072-180000-
/O.CON.KBGM.FW.W.0007.000000T0000Z-120418T0000Z/
OTSEGO-DELAWARE-SULLIVAN-BRADFORD-SUSQUEHANNA-NORTHERN WAYNE-
WYOMING-LACKAWANNA-LUZERNE-PIKE-SOUTHERN WAYNE-
223 PM EDT TUE APR 17 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR NORTHEAST PENNSYLVANIA AND OTSEGO...DELAWARE... AND SULLIVAN
COUNTIES IN NEW YORK...

* AFFECTED AREA...OTSEGO...DELAWARE...AND SULLIVAN COUNTIES IN 
  NEW YORK AND ALL OF NORTHEAST PENNSYLVANIA. 

* WINDS...NORTHWEST 10 TO 20 MPH WITH FREQUENT GUSTS UP TO 25 
  MPH.

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

* IMPACTS...ANY FIRES THAT DEVELOP WILL BE CAPABLE OF RAPID
  SPREAD AND GROWTH. OUTDOOR BURNING IS NOT RECOMMENDED AT THIS 
  TIME.

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.

&&

$$
112 
WWUS81 KBGM 172358
RFWBGM

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BINGHAMTON NY
758 PM EDT TUE APR 17 2012

...RED FLAG WARNING EXPIRING AT 8 PM EDT...

NYZ046-057-062-PAZ038>040-043-044-047-048-072-180100-
/O.EXP.KBGM.FW.W.0007.000000T0000Z-120418T0000Z/
OTSEGO-DELAWARE-SULLIVAN-BRADFORD-SUSQUEHANNA-NORTHERN WAYNE-
WYOMING-LACKAWANNA-LUZERNE-PIKE-SOUTHERN WAYNE-
758 PM EDT TUE APR 17 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING FOR
NORTHEAST PENNSYLVANIA AND OTSEGO...DELAWARE...AND SULLIVAN
COUNTIES IN NEW YORK...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING. 

WINDS HAVE QUICKLY DIMINISHED TO LESS THAN RED FLAG
CRITERIA...AND RELATIVE HUMIDITY IS ALSO BEGINNING TO RECOVER. SO
THE RED FLAG WARNING IS BEING ALLOWED TO EXPIRE AS EXPECTED.

$$

The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 17, 4:03 AM EDTFreeze WatchBGMBroome, Cayuga, Chemung, Chenango, Cortland, Delaware and 10 more11 hr
Apr 17, 2:35 PM EDTFreeze WarningBGMBroome, Cayuga, Chemung, Chenango, Cortland, Delaware and 11 more17 hr
Apr 17, 2:35 PM EDTFrost AdvisoryBGMLackawanna, Luzerne, Pike, Wayne11 hr

Nearby

Red Flag Warnings in Pennsylvania, 2012Red Flag Warnings in New York, 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.