Alert archive / New Jersey / Red Flag Warnings in 2021

Red Flag Warning 1, NWS New York, NY

March 14, 20215 counties in New Jersey; 4 counties in Connecticut

NWS New York, NY issued this red flag warning at Mar 14, 2021, 3:37 AM EDT for 5 counties in New Jersey; 4 counties in Connecticut. It took effect at Mar 14, 2021, 8:00 AM EDT. It was in force for 36 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
Mar 14, 2021, 3:37 AM EDT (07:37 UTC)
In effect from
Mar 14, 2021, 8:00 AM EDT
Expired
Mar 15, 2021, 8:00 PM EDT
In force
36 hr
Issued by
NWS New York, NY

Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ

The radar

The Brookhaven radar (KOKX), 63 km from the middle of the area, began a volume at 07:35 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

Brookhaven, NY (KOKX), launched 00:00Z, 7.6 hours before the alert went out and 63 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, Brookhaven, NY at 00:00Z on 2021-03-14Temperature 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, Brookhaven, NY at 00:00Z on 2021-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.1939587897Sfc1 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
2098 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

100 
WWUS81 KOKX 140737
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
337 AM EDT Sun Mar 14 2021


NJZ002-004-006-103>108-150000-
/O.UPG.KOKX.FW.A.0001.210314T1200Z-210315T0400Z/
/O.NEW.KOKX.FW.W.0001.210314T1200Z-210315T0400Z/
Western Passaic-Eastern Passaic-Hudson-Western Bergen-
Eastern Bergen-Western Essex-Eastern Essex-Western Union-
Eastern Union-
337 AM EDT Sun Mar 14 2021

...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO MIDNIGHT
EDT TONIGHT FOR GUSTY WINDS AND DRY CONDITIONS FOR NORTHEASTERN 
NEW JERSEY...

The National Weather Service in Upton has issued a Red Flag
Warning, which is in effect from 8 AM this morning to midnight 
EDT tonight. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...Western Passaic, Eastern Passaic, Hudson, 
  Western Bergen, Eastern Bergen, Western Essex, Eastern Essex, 
  Western Union and Eastern Union.

* TIMING...Sunday morning through late Sunday night.

* WINDS...Northwest 15 to 25 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 28 percent.

* TEMPERATURES...In the upper 30s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

CTZ005>012-150000-
/O.NEW.KOKX.FW.W.0001.210314T1200Z-210315T0000Z/
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-
337 AM EDT Sun Mar 14 2021

...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT
THIS EVENING FOR GUSTY WINDS AND DRY CONDITIONS FOR SOUTHERN
CONNECTICUT...

The National Weather Service in Upton has issued a Red Flag
Warning, which is in effect from 8 AM this morning to 8 PM EDT 
this evening.

* AFFECTED AREA...Northern Fairfield, Northern New Haven, 
  Northern Middlesex, Northern New London, Southern Fairfield, 
  Southern New Haven, Southern Middlesex and Southern New London.

* TIMING...Sunday morning through late Sunday night.

* WINDS...Northwest 10 to 20 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 30 percent.

* TEMPERATURES...In the upper 30s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/nyc
7 follow-up statements
308 
WWUS81 KOKX 140847
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
447 AM EDT Sun Mar 14 2021


NJZ002-004-006-103>108-150000-
/O.CON.KOKX.FW.W.0001.210314T1200Z-210315T0400Z/
Western Passaic-Eastern Passaic-Hudson-Western Bergen-
Eastern Bergen-Western Essex-Eastern Essex-Western Union-
Eastern Union-
447 AM EDT Sun Mar 14 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
MIDNIGHT EDT TONIGHT FOR GUSTY WINDS AND DRY CONDITIONS FOR
NORTHEASTERN NEW JERSEY...

* AFFECTED AREA...Western Passaic, Eastern Passaic, Hudson, 
  Western Bergen, Eastern Bergen, Western Essex, Eastern Essex, 
  Western Union and Eastern Union.

* TIMING...Sunday morning through late Sunday night.

* WINDS...Northwest 15 to 25 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 28 percent.

* TEMPERATURES...In the upper 40s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

CTZ005>012-150000-
/O.CON.KOKX.FW.W.0001.210314T1200Z-210315T0000Z/
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-
447 AM EDT Sun Mar 14 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
8 PM EDT THIS EVENING FOR GUSTY WINDS AND DRY CONDITIONS FOR
SOUTHERN CONNECTICUT...

* AFFECTED AREA...Northern Fairfield, Northern New Haven, 
  Northern Middlesex, Northern New London, Southern Fairfield, 
  Southern New Haven, Southern Middlesex and Southern New London.

* TIMING...Sunday morning through late Sunday night.

* WINDS...Northwest 10 to 20 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 30 percent.

* TEMPERATURES...In the upper 40s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/nyc
244 
WWUS81 KOKX 141944
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
344 PM EDT Sun Mar 14 2021

NJZ002-004-006-103>108-151000-
/O.EXT.KOKX.FW.W.0001.000000T0000Z-210315T2100Z/
Western Passaic-Eastern Passaic-Hudson-Western Bergen-
Eastern Bergen-Western Essex-Eastern Essex-Western Union-
Eastern Union-
344 PM EDT Sun Mar 14 2021

...RED FLAG WARNING NOW IN EFFECT UNTIL 5 PM EDT MONDAY FOR GUSTY
WINDS AND DRY CONDITIONS FOR NORTHEASTERN NEW JERSEY...


* AFFECTED AREA...Western Passaic, Eastern Passaic, Hudson, 
  Western Bergen, Eastern Bergen, Western Essex, Eastern Essex, 
  Western Union and Eastern Union.

* TIMING...Through Monday afternoon.

* WINDS...Northwest 15 to 25 mph with gusts up to 45 mph
  diminishing to 10 to 15 mph with gusts to 25 mph on Monday.

* RELATIVE HUMIDITY...As low as 15 percent.

* TEMPERATURES...In the mid 30s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

CTZ005>012-150000-
/O.CON.KOKX.FW.W.0001.000000T0000Z-210315T0000Z/
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-
344 PM EDT Sun Mar 14 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR GUSTY WINDS AND DRY CONDITIONS FOR SOUTHERN CONNECTICUT...

* AFFECTED AREA...Northern Fairfield, Northern New Haven, 
  Northern Middlesex, Northern New London, Southern Fairfield, 
  Southern New Haven, Southern Middlesex and Southern New London.

* TIMING...Until 8pm tonight.

* WINDS...Northwest 15 to 20 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 28 percent.

* TEMPERATURES...In the upper 30s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/nyc
477 
WWUS81 KOKX 142359
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
759 PM EDT Sun Mar 14 2021

CTZ005>012-150100-
/O.EXP.KOKX.FW.W.0001.000000T0000Z-210315T0000Z/
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-
759 PM EDT Sun Mar 14 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING FOR
GUSTY WINDS AND DRY CONDITIONS FOR SOUTHERN CONNECTICUT...

RH levels are expected to rise this evening with most places
getting above 30 percent.

$$

NJZ002-004-006-103>108-150800-
/O.CON.KOKX.FW.W.0001.000000T0000Z-210315T2100Z/
Western Passaic-Eastern Passaic-Hudson-Western Bergen-
Eastern Bergen-Western Essex-Eastern Essex-Western Union-
Eastern Union-
759 PM EDT Sun Mar 14 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EDT MONDAY FOR
GUSTY WINDS AND DRY CONDITIONS FOR NORTHEASTERN NEW JERSEY...

* AFFECTED AREA...Western Passaic, Eastern Passaic, Hudson, 
  Western Bergen, Eastern Bergen, Western Essex, Eastern Essex, 
  Western Union and Eastern Union.

* TIMING...Through Monday afternoon.

* WINDS...Northwest 10 to 20 mph with gusts up to 40 to 45 mph
  this evening. Northwest winds decreasing to near 20 mph with
  gusts up to near 35 mph overnight. Northwest winds near 15 mph
  with gusts up to near 25 mph on Monday.

* RELATIVE HUMIDITY...As low as 15 percent.

* TEMPERATURES...In the upper 20s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/nyc
068 
WWUS81 KOKX 150728
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
328 AM EDT Mon Mar 15 2021

NJZ002-004-006-103>108-152100-
/O.CON.KOKX.FW.W.0001.000000T0000Z-210315T2100Z/
Western Passaic-Eastern Passaic-Hudson-Western Bergen-
Eastern Bergen-Western Essex-Eastern Essex-Western Union-
Eastern Union-
328 AM EDT Mon Mar 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON FOR GUSTY WINDS AND DRY CONDITIONS FOR NORTHEASTERN NEW
JERSEY...

* AFFECTED AREA...Western Passaic, Eastern Passaic, Hudson, 
  Western Bergen, Eastern Bergen, Western Essex, Eastern Essex, 
  Western Union and Eastern Union.

* TIMING...Through Monday afternoon.

* WINDS...Northwest 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 17 percent.

* TEMPERATURES...In the upper 20s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/nyc
982 
WWUS81 KOKX 151748
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
148 PM EDT Mon Mar 15 2021

CTZ005>012-160000-
/O.EXB.KOKX.FW.W.0001.000000T0000Z-210316T0000Z/
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-
148 PM EDT Mon Mar 15 2021

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR
GUSTY WINDS AND DRY CONDITIONS FOR SOUTHERN CONNECTICUT...

* AFFECTED AREA...Northern Fairfield, Northern New Haven, 
  Northern Middlesex, Northern New London, Southern Fairfield, 
  Southern New Haven, Southern Middlesex and Southern New London.

* TIMING...Through 8 PM this evening.

* WINDS...Northwest 10 to 15 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 16 percent.

* TEMPERATURES...In the upper 20s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

NJZ002-004-006-103>108-152100-
/O.CON.KOKX.FW.W.0001.000000T0000Z-210315T2100Z/
Western Passaic-Eastern Passaic-Hudson-Western Bergen-
Eastern Bergen-Western Essex-Eastern Essex-Western Union-
Eastern Union-
148 PM EDT Mon Mar 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON FOR GUSTY WINDS AND DRY CONDITIONS FOR NORTHEASTERN NEW
JERSEY...

* AFFECTED AREA...Western Passaic, Eastern Passaic, Hudson, 
  Western Bergen, Eastern Bergen, Western Essex, Eastern Essex, 
  Western Union and Eastern Union.

* TIMING...Through Monday afternoon.

* WINDS...Northwest 10 to 15 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 14 percent.

* TEMPERATURES...In the lower 30s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/nyc
335 
WWUS81 KOKX 152101
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
501 PM EDT Mon Mar 15 2021

NJZ002-004-006-103>108-152215-
/O.EXP.KOKX.FW.W.0001.000000T0000Z-210315T2100Z/
Western Passaic-Eastern Passaic-Hudson-Western Bergen-
Eastern Bergen-Western Essex-Eastern Essex-Western Union-
Eastern Union-
501 PM EDT Mon Mar 15 2021

...RED FLAG WARNING WILL EXPIRE AT 5 PM EDT THIS AFTERNOON FOR
GUSTY WINDS AND DRY CONDITIONS FOR NORTHEASTERN NEW JERSEY...

Winds are expected to decrease this evening along with RH levels
expected to rise.

$$

CTZ005>012-160000-
/O.CON.KOKX.FW.W.0001.000000T0000Z-210316T0000Z/
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-
501 PM EDT Mon Mar 15 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR GUSTY WINDS AND DRY CONDITIONS FOR SOUTHERN CONNECTICUT...

* AFFECTED AREA...Northern Fairfield, Northern New Haven, 
  Northern Middlesex, Northern New London, Southern Fairfield, 
  Southern New Haven, Southern Middlesex and Southern New London.

* TIMING...Through 8 PM this evening.

* WINDS...Northwest 10 to 15 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 16 percent.

* TEMPERATURES...In the upper 20s.

* IMPACTS...Rapid fire spread is possible if ignition occurs, 
  given gusty NW winds and very dry conditions across the area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected or occurring. A combination of strong winds, low
relative humidity, and dry fuels will create a significantly
elevated fire growth potential.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/nyc
299 
WWUS81 KOKX 152334
RFWOKX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Upton NY
734 PM EDT Mon Mar 15 2021

CTZ005>012-160045-
/O.EXP.KOKX.FW.W.0001.000000T0000Z-210316T0000Z/
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-
734 PM EDT Mon Mar 15 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING FOR
GUSTY WINDS AND DRY CONDITIONS FOR SOUTHERN CONNECTICUT...

Winds are expected to decrease this evening along with RH levels
expected to rise.

$$

For more information from the National Weather Service visit
http://weather.gov/nyc

Nearby

Red Flag Warnings in New Jersey, 2021Red Flag Warnings in Connecticut, 2021Every red flag warning in 2021

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.