Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 15, NWS Miami, FL
NWS Miami, FL issued this red flag warning at Mar 24, 2011, 3:17 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It took effect at Mar 24, 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 24, 2011, 3:17 AM EDT (07:17 UTC)
- In effect from
- Mar 24, 2011, 12:00 PM EDT
- Expired
- Mar 24, 2011, 6:57 PM EDT
- In force
- 7 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Miami-Dade County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 07:16 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, 7.3 hours before the alert went out and 39 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
- 1289 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
565 WWUS82 KMFL 240717 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 317 AM EDT THU MAR 24 2011 ...RED FLAG WARNING EASTERN HALF OF SOUTH FLORIDA THIS AFTERNOON... FLZ067-068-071>074-168-172-173-241530- /O.NEW.KMFL.FW.W.0015.110324T1600Z-110324T2200Z/ INLAND PALM BEACH-METRO PALM BEACH-INLAND BROWARD-METRO BROWARD- INLAND MIAMI DADE-METRO MIAMI DADE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE- 317 AM EDT THU MAR 24 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING FOR PALM BEACH...BROWARD AND MOST OF MIAMI DADE COUNTY FOR RELATIVE HUMIDITIES BELOW 35 PERCENT AND FOR POSSIBLY SUSTAINED 20 FOOT WINDS OF 15 MPH... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING. VERY WARM TEMPERATURES THIS AFTERNOON WILL ALLOW RELATIVE HUMIDITIES TO FALL BELOW 35 PERCENT FOR SEVERAL HOURS THIS AFTERNOON PLUS 20 FOOT WINDS MAY BE SUSTAINED AT 15 MPH. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
489 WWUS82 KMFL 242150 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 550 PM EDT THU MAR 24 2011 ...RED FLAG WARNING EASTERN HALF OF SOUTH FLORIDA EARLY THIS EVENING... FLZ067-068-071>074-168-172-173-242300- /O.EXT.KMFL.FW.W.0015.000000T0000Z-110324T2300Z/ INLAND PALM BEACH-METRO PALM BEACH-INLAND BROWARD-METRO BROWARD- INLAND MIAMI DADE-METRO MIAMI DADE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE- 550 PM EDT THU MAR 24 2011 ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE EASTERN HALF OF SOUTH FLORIDA... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 7 PM EDT THIS EVENING. DUE TO THE COMBINATION OF RELATIVE HUMIDITIES BELOW BELOW 35 PERCENT AND 20 FOOT WINDS NEAR 15 MPH THIS EVENING ACROSS ISOLATED AREAS OF THE EASTERN HALF OF SOUTH FLORIDA...THE RED FLAG WARNING HAS BEEN EXTENDED UNTIL 700 PM. ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
320 WWUS82 KMFL 242257 RFWMFL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 657 PM EDT THU MAR 24 2011 ...RED FLAG WARNING ALLOWED TO EXPIRE FOR THE EASTERN HALF OF SOUTH FLORIDA... FLZ067-068-071>074-168-172-173-250000- /O.CAN.KMFL.FW.W.0015.000000T0000Z-110324T2300Z/ INLAND PALM BEACH-METRO PALM BEACH-INLAND BROWARD-METRO BROWARD- INLAND MIAMI DADE-METRO MIAMI DADE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE- 657 PM EDT THU MAR 24 2011 ...RED FLAG WARNING ALLOWED TO EXPIRE FOR THE EASTERN HALF OF SOUTH FLORIDA... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ALLOWED THE RED FLAG WARNING TO EXPIRE. REGIONAL OBSERVATIONS INDICATE THAT THE WINDS HAVE DECREASED AND THE RELATIVE HUMIDITIES ARE RISING TO NEAR OR ABOVE CRITICAL LEVELS IN THE RED FLAG WARNING AREA. THEREFORE...THE RED FLAG WARING HAS BEEN ALLOWED TO EXPIRE. $$ 60
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 3:24 AM EDT | Dense Fog Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 5 hr |
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.