Red Flag Warning 3, NWS Philadelphia/Mount Holly

Issued

Apr 21, 2016, 10:30 AM EDT (14:30 UTC)

In effect from

Apr 21, 2016, 11:00 AM EDT

Expired

Apr 21, 2016, 3:30 PM EDT

In force

5 hr

Issued by

NWS Philadelphia/Mount Holly

The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 14:34 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.

392 
WWUS81 KPHI 211430
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1030 AM EDT THU APR 21 2016

NJZ001-007>010-012-013-015-017>020-027-PAZ054-055-060>062-070-071-
101>106-212100-
/O.NEW.KPHI.FW.W.0003.160421T1500Z-160421T2100Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
1030 AM EDT THU APR 21 2016

...RED FLAG WARNING IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON FOR
HUMIDITY BELOW 30 PERCENT AND WIND GUSTS TO 25 MPH COVERING MUCH
OF EASTERN PENNSYLVANIA AND THE NORTHERN THREE QUARTERS OF NEW
JERSEY.

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG
WARNING FOR LOW HUMIDITY AND GUSTY WINDS...WHICH IS IN EFFECT
UNTIL 5 PM EDT THIS AFTERNOON.

* AFFECTED AREA... MUCH OF EASTERN PENNSYLVANIA AND THE NORTHERN
  THREE QUARTERS OF NEW JERSEY. THE GREATEST RISK FOR PERSISTENT
  LOW HUMIDITY AND GUSTY WINDS IS FROM THE POCONOS ACROSS NORTHERN
  AND CENTRAL NEW JERSEY.

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

* TIMING...DEVELOPING BETWEEN 11 AM AND 1 PM THEN ABATING BETWEEN
  3 PM AND 5 PM. 

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

* TEMPERATURES...UPPER 60S TO MID 70S. HIGHEST TEMPERATURES IN THE
  MID 70S FROM THE LEHIGH VALLEY THROUGH THE INTERSTATE 95 CORRIDOR.

* ADDITIONAL INFORMATION...THERE WERE SCATTERED WILD FIRES THE
  PAST COUPLE OF DAYS AND IT HASN'T RAINED SINCE TUESDAY OF LAST
  WEEK. 

* IMPACTS...ANY FIRES THAT DEVELOP MAY QUICKLY GET OUT OF CONTROL
  AND BECOME DIFFICULT TO CONTAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW....OR WILL SHORTLY DUE TO A COMBINATION
OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS. ANY
FIRES THAT DEVELOP MAY QUICKLY GET OUT OF CONTROL AND BECOME
DIFFICULT TO CONTAIN. 

FOR MORE INFORMATION ABOUT WILDFIRE DANGER...BURN RESTRICTIONS...
AND WILDFIRE PREVENTION AND EDUCATION...PLEASE VISIT YOUR STATE
FORESTRY OR ENVIRONMENTAL PROTECTION WEBSITE.

&&

$$
DRAG

768 
WWUS81 KPHI 211930
RFWPHI

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
330 PM EDT THU APR 21 2016

NJZ001-007>010-012-013-015-017>020-027-PAZ054-055-060>062-070-071-
101>106-212030-
/O.CAN.KPHI.FW.W.0003.000000T0000Z-160421T2100Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
OCEAN-SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-
NORTHAMPTON-DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
330 PM EDT THU APR 21 2016

...RED FLAG WARNING IS CANCELLED FOR EASTERN PENNSYLVANIA AND THE
NORTHERN THREE QUARTERS OF NEW JERSEY.

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE RED
FLAG WARNING.

THE WORST OF THE RED FLAG CONDITIONS EARLIER TODAY OCCURRED FROM
READING AND MOUNT POCONO ACROSS NORTHERN NEW JERSEY.

RELATIVE HUMIDITY WAS INCREASING RAPIDLY LATE THIS AFTERNOON AS
HIGHER DEWPOINTS ARRIVE ON GUSTY SOUTH TO SOUTHWEST WINDS.

SCATTERED SHOWERS MAY PRODUCE A TENTH OF AN INCH OF RAIN OVER
PORTIONS OF NORTHEAST PENNSYLVANIA AND NORTHERN NEW JERSEY LATE
TONIGHT.

FRIDAY WILL BECOME WARM AND BREEZY. HUMIDITY WILL BE HIGHER AND
THERE IS A GOOD CHANCE OF BRIEFLY HEAVY AFTERNOON SHOWERS AND
THUNDERSTORMS, AGAIN MOSTLY NEAR AND NORTH OF INTERSTATE 78.

$$

DRAG

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

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.