Alert archive / Hawaii / Red Flag Warnings in 2021

Red Flag Warning 1, NWS Honolulu, HI

August 25, 2021

NWS Honolulu, HI issued this red flag warning at Aug 25, 2021, 12:14 PM HST. It was in force for 29 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
Aug 25, 2021, 12:14 PM HST (22:14 UTC)
Expired
Aug 26, 2021, 5:01 PM HST
In force
29 hr
Issued by
NWS Honolulu, HI

The text

As transmitted.

096 
WWHW80 PHFO 252214
RFWHFO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Honolulu HI
1214 PM HST Wed Aug 25 2021

...RED FLAG WARNING FOR LEEWARD AREAS DUE TO GUSTY WINDS AND LOW
HUMIDITY...

.Although windward areas did recently receive some rainfall, fuels
remain dry in leeward areas. Combined with gusty trade winds and 
low relative humidities, critical fire weather conditions are 
expected over leeward areas this afternoon, and again on Thursday 
afternoon.

HIZ203-205>207-210-211-213-218-219-221-223-224-226-260400-
/O.NEW.PHFO.FW.W.0001.210825T2214Z-210827T0400Z/
Kauai Leeward-Oahu South Shore-Waianae Coast-Oahu North Shore-
Central Oahu-Waianae Mountains-Molokai Leeward-Maui Leeward West-
Maui Central Valley-Leeward Haleakala-Kona-South Big Island-
Kohala-
1214 PM HST Wed Aug 25 2021

...RED FLAG WARNING IN EFFECT UNTIL 6 PM HST THURSDAY FOR GUSTY 
WINDS AND LOW HUMIDITY IN LEEWARD AREAS...

The National Weather Service in Honolulu has issued a Red Flag
Warning, which is in effect until 6 PM HST Thursday. 

* AFFECTED AREA...Leeward portions of all Hawaiian Islands.

* WIND...Trade winds up to 20 mph, with locally higher gusts.

* HUMIDITY...40 to 45 percent through the afternoon hours. 

* IMPACTS...Any fires that develop will likely spread rapidly. 
  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. A Red Flag Warning does not predict new
fire starts.

&&

$$

Birchard
3 follow-up statements
983 
WWHW80 PHFO 260244
RFWHFO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Honolulu HI
444 PM HST Wed Aug 25 2021

...RED FLAG WARNING FOR LEEWARD AREAS DUE TO GUSTY WINDS AND LOW
HUMIDITY...

.Although windward areas did recently receive some rainfall,
fuels remain dry in leeward areas. Combined with gusty trade
winds and low relative humidities, critical fire weather
conditions are expected over leeward areas during the afternoon 
on Thursday.

HIZ203-205>207-210-211-213-218-219-221-223-224-226-261500-
/O.CON.PHFO.FW.W.0001.000000T0000Z-210827T0400Z/
Kauai Leeward-Oahu South Shore-Waianae Coast-Oahu North Shore-
Central Oahu-Waianae Mountains-Molokai Leeward-Maui Leeward West-
Maui Central Valley-Leeward Haleakala-Kona-South Big Island-
Kohala-
444 PM HST Wed Aug 25 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY IN LEEWARD AREAS...

* AFFECTED AREA...Leeward portions of all Hawaiian Islands.

* WIND...Trade winds up to 20 mph, with locally higher gusts.

* HUMIDITY...40 to 45 percent during the late morning and early
  afternoon.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  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. A Red Flag Warning does not
predict new fire starts.

&&

$$

Birchard
500 
WWHW80 PHFO 261310
RFWHFO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Honolulu HI
310 AM HST Thu Aug 26 2021

...RED FLAG WARNING FOR LEEWARD AREAS DUE TO GUSTY WINDS AND LOW
HUMIDITY...

.Although windward areas did recently receive some rainfall,
fuels remain dry in leeward areas. This combined with gusty trade
winds and low relative humidities, will result in critical fire 
weather conditions over leeward areas this afternoon.

HIZ203-205>207-210-211-213-218-219-221-223-224-226-270400-
/O.CON.PHFO.FW.W.0001.000000T0000Z-210827T0400Z/
Kauai Leeward-Oahu South Shore-Waianae Coast-Oahu North Shore-
Central Oahu-Waianae Mountains-Molokai Leeward-Maui Leeward West-
Maui Central Valley-Leeward Haleakala-Kona-South Big Island-
Kohala-
310 AM HST Thu Aug 26 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITIES FOR LEEWARD AREAS...

* AFFECTED AREA...Leeward portions of all Hawaiian Islands.

* WIND...Trade winds up to 20 mph, with locally higher gusts.

* HUMIDITY...40 to 45 percent during the late morning and early 
  afternoon.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  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. A Red Flag Warning does not
predict new fire starts.

&&

$$

Jelsema
255 
WWHW80 PHFO 270301
RFWHFO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Honolulu HI
501 PM HST Thu Aug 26 2021

...RED FLAG WARNING CANCELLED...

HIZ203-205>207-210-211-213-218-219-221-223-224-226-270415-
/O.CAN.PHFO.FW.W.0001.000000T0000Z-210827T0400Z/
Kauai Leeward-Oahu South Shore-Waianae Coast-Oahu North Shore-
Central Oahu-Waianae Mountains-Molokai Leeward-Maui Leeward West-
Maui Central Valley-Leeward Haleakala-Kona-South Big Island-
Kohala-
501 PM HST Thu Aug 26 2021

...RED FLAG WARNING IS CANCELLED...

The National Weather Service in Honolulu has cancelled the Red
Flag Warning. 

With trade winds gradually easing, sustained winds are not
expected to be sufficiently strong to warrant a continuation of
the warning. 

$$

Birchard

Nearby

Red Flag Warnings in Hawaii, 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.