Alert archive / Florida / Red Flag Warnings in 2021
Red Flag Warning 4, NWS Miami, FL
NWS Miami, FL issued this red flag warning at May 23, 2021, 2:45 AM EDT for Monroe County, Florida. It took effect at May 23, 2021, 8:00 AM EDT. It was in force for 12 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
- May 23, 2021, 2:45 AM EDT (06:45 UTC)
- In effect from
- May 23, 2021, 8:00 AM EDT
- Expired
- May 23, 2021, 8:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Miami, FL
County Monroe County, FL
The radar
The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 06:47 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
Miami, FL (KMFL), launched 00:00Z, 6.8 hours before the alert went out and 69 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1437 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
299 WWUS82 KMFL 230645 RFWMFL Urgent - Fire Weather Message National Weather Service Miami FL 245 AM EDT Sun May 23 2021 FLZ063-066-070-075-231445- /O.NEW.KMFL.FW.W.0004.210523T1200Z-210524T0000Z/ Glades-Hendry-Inland Collier-Mainland Monroe- 245 AM EDT Sun May 23 2021 ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT THIS EVENING FOR CRITICAL FIRE WEATHER CONDITIONS FOR INTERIOR WESTERN AREAS OF SOUTH FLORIDA... The National Weather Service in Miami has issued a Red Flag Warning...which is in effect from 8 AM this morning to 8 PM EDT this evening. * Affected area...Glades, Hendry, interior Collier, and Mainland Monroe Counties. * Wind...20 foot winds around 10-15 mph * Humidity...Low to mid 30s * ERC's...Mid 30s to low 40s * Impacts...Any fires that develop may be extreme in nature, and therefore 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. && $$
2 follow-up statements
075 WWUS82 KMFL 231356 RFWMFL Urgent - Fire Weather Message National Weather Service Miami FL 956 AM EDT Sun May 23 2021 FLZ063-066-070-075-240000- /O.CON.KMFL.FW.W.0004.000000T0000Z-210524T0000Z/ Glades-Hendry-Inland Collier-Mainland Monroe- 956 AM EDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR CRITICAL FIRE WEATHER CONDITIONS FOR INTERIOR WESTERN AREAS OF SOUTH FLORIDA... * Affected area...Glades, Hendry, interior Collier, and Mainland Monroe Counties. * Wind...20 foot winds around 10-15 mph * Humidity...Low to mid 30s * ERC's...Mid 30s to low 40s * Impacts...any fires that develop will likely see extreme fire behavior. Outdoor burning is not recommended. $$ Baxter
222 WWUS82 KMFL 231931 RFWMFL Urgent - Fire Weather Message National Weather Service Miami FL 331 PM EDT Sun May 23 2021 FLZ063-066-070-075-240000- /O.CON.KMFL.FW.W.0004.000000T0000Z-210524T0000Z/ Glades-Hendry-Inland Collier-Mainland Monroe- 331 PM EDT Sun May 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR CRITICAL FIRE WEATHER CONDITIONS FOR INTERIOR WESTERN AREAS OF SOUTH FLORIDA... * Affected area...Glades, Hendry, interior Collier, and Mainland Monroe Counties. * Wind...20 foot winds around 10-15 mph * Humidity...Low to mid 30s * ERC's...Mid 30s to low 40s * Impacts...Any fires that develop will likely see extreme fire behavior. 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. $$
Nearby
Red Flag Warnings in Florida, 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.