Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 12, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Mar 19, 2011, 3:49 AM EDT for Broward County, Florida. It took effect at Mar 19, 2011, 12:00 PM EDT. It was in force for 7 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 19, 2011, 3:49 AM EDT (07:49 UTC)
- In effect from
- Mar 19, 2011, 12:00 PM EDT
- Expired
- Mar 19, 2011, 7:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Miami, FL
County Broward County, FL
The radar
The Miami radar (KAMX), 60 km from the middle of the area, began a volume at 07:50 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, 7.8 hours before the alert went out and 40 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
- 2033 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
165 WWUS82 KMFL 190749 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 349 AM EDT SAT MAR 19 2011 ...RED FLAG WARNING FOR INLAND BROWARD COUNTY THIS AFTERNOON... FLZ071-191600- /O.NEW.KMFL.FW.W.0012.110319T1600Z-110319T2300Z/ INLAND BROWARD- 349 AM EDT SAT MAR 19 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING FOR INLAND BROWARD COUNTY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING. RELATIVE HUMIDITY IS EXPECTED TO FALL BELOW 35 PERCENT FOR 4 OR MORE CONSECUTIVE HOURS IN INLAND BROWARD COUNTY THIS AFTERNOON THE MINIMUM RELATIVE HUMIDITY WILL BE IN THE MID 20S FOR 2 TO 3 HOURS. THE LOW RELATIVE HUMIDITY COMBINED WITH AN ERC OF 37 HAS LEAD TO THE RED FLAG WARNING. 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 LOW RELATIVE HUMIDITY...WARM TEMPERATURES AND AN ERC ABOVE 35 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
1 follow-up statement
947 WWUS82 KMFL 191835 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 235 PM EDT SAT MAR 19 2011 FLZ071-192300- /O.CON.KMFL.FW.W.0012.000000T0000Z-110319T2300Z/ INLAND BROWARD- 235 PM EDT SAT MAR 19 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR INLAND BROWARD COUNTY... RELATIVE HUMIDITIES BETWEEN 30 AND 34 PERCENT ARE EXPECTED THROUGH EARLY THIS EVENING...ALONG WITH AN ENERGY RELEASE COMPONENT AVERAGING AROUND 37. THE COMBINATION OF THESE CONDITIONS WILL RESULT IN HIGH TO EXTREME FIRE DANGER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...WARM TEMPERATURES AND AN ERC ABOVE 35 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
Nearby
Red Flag Warnings in Florida, 2011Every red flag warning in 2011
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.