Alert archive / Florida / Red Flag Warnings in 2017
Red Flag Warning 10, NWS Miami, FL
NWS Miami, FL issued this red flag warning at May 7, 2017, 3:21 AM EDT for Miami-Dade County, Monroe County, Florida. It took effect at May 7, 2017, 1:00 PM EDT. It was in force for 6 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 7, 2017, 3:21 AM EDT (07:21 UTC)
- In effect from
- May 7, 2017, 1:00 PM EDT
- Expired
- May 7, 2017, 7:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Miami, FL
Counties Miami-Dade County, FL, Monroe County, FL
The radar
The Miami radar (KAMX), 30 km from the middle of the area, began a volume at 07:25 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, 7.4 hours before the alert went out and 49 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
- 1853 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
642 WWUS82 KMFL 070721 RFWMFL Urgent - Fire Weather Message National Weather Service Miami FL 321 AM EDT Sun May 7 2017 FLZ063-066-070-073-075-072300- /O.NEW.KMFL.FW.W.0010.170507T1700Z-170507T2300Z/ Glades-Hendry-Inland Collier-Inland Miami-Dade-Mainland Monroe- 321 AM EDT Sun May 7 2017 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING FOR LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 063...066...070...073 AND 075... The National Weather Service in Miami has issued a Red Flag Warning...which is in effect from 1 PM this afternoon to 7 PM EDT this evening. * Affected area...Fire weather zones 063...066...070...073 and 075. * Wind...Northwest around 5 mph, becoming west 5-10 mph across Glades, Hendry, and Collier counties and southeast 5-10 mph over inland Miami-Dade in the afternoon with the seabreeze. * Humidity...25 to 30% * 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. && $$
1 follow-up statement
856 WWUS82 KMFL 072251 RFWMFL Urgent - Fire Weather Message National Weather Service Miami FL 651 PM EDT Sun May 7 2017 FLZ063-066-070-073-075-080000- /O.EXP.KMFL.FW.W.0010.000000T0000Z-170507T2300Z/ Glades-Hendry-Inland Collier-Inland Miami-Dade-Mainland Monroe- 651 PM EDT Sun May 7 2017 ...RED FLAG WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING FOR LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 063...066...070...073 AND 075... Most areas have seen relative humidity values rise above 40 percent level early this evening, along with 20 foot wind speeds decreasing to less than 10 mph. Therefore, the Red Flag Warning has been cancelled for Glades, Hendry, inland Collier, and inland Miami-Dade counties. $$
Nearby
Red Flag Warnings in Florida, 2017Every red flag warning in 2017
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.