Alert archive / Florida / Red Flag Warnings in 2018
Red Flag Warning 4, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at Mar 13, 2018, 6:41 AM EDT for Orange County, Seminole County, Florida. It took effect at Mar 13, 2018, 12:00 PM EDT. It was in force for 8 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 13, 2018, 6:41 AM EDT (10:41 UTC)
- In effect from
- Mar 13, 2018, 12:00 PM EDT
- Expired
- Mar 13, 2018, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Melbourne, FL
Counties Orange County, FL, Seminole County, FL
The radar
The Melbourne radar (KMLB), 83 km from the middle of the area, began a volume at 10:41 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
Cape Canaveral, FL (KXMR), launched 00:00Z, 10.7 hours before the alert went out and 78 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
- 2048 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
601 WWUS82 KMLB 131041 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 641 AM EDT Tue Mar 13 2018 FLZ045-046-140000- /O.NEW.KMLB.FW.W.0004.180313T1600Z-180314T0000Z/ Orange-Seminole- 641 AM EDT Tue Mar 13 2018 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND DRY VEGETATION WITH HIGH ERC VALUES FOR ORANGE AND SEMINOLE COUNTIES... The National Weather Service in Melbourne has issued a Red Flag Warning, which is in effect from noon today to 8 PM EDT this evening. * AFFECTED AREA... Orange... Seminole. * WIND...Northwest near 10 mph. * HUMIDITY...Min Humidity around 25 percent. * IMPACTS...any fires that develop will likely spread. 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. && $$ 15
2 follow-up statements
631 WWUS82 KMLB 131942 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 342 PM EDT Tue Mar 13 2018 FLZ045-046-150000- /O.NEW.KMLB.FW.A.0002.180314T1600Z-180315T0000Z/ /O.CON.KMLB.FW.W.0004.000000T0000Z-180314T0000Z/ Orange-Seminole- 342 PM EDT Tue Mar 13 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND DRY VEGETATION WITH HIGH ERC VALUES IN ORANGE AND SEMINOLE COUNTIES... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND DRY VEGETATION WITH HIGH ERC VALUES IN ORANGE AND SEMINOLE COUNTIES... The National Weather Service in Melbourne has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA... Orange... Seminole. * WIND...Northwest 5 to 10 mph this afternoon and 10-13 mph Wednesday afternoon. * HUMIDITY...Min Humidity around 25 percent this afternoon and around 20 percent Wednesday afternoon. * IMPACTS...any fires that develop could spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
281 WWUS82 KMLB 140003 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 803 PM EDT Tue Mar 13 2018 FLZ045-046-150000- /O.EXP.KMLB.FW.W.0004.000000T0000Z-180314T0000Z/ /O.CON.KMLB.FW.A.0002.180314T1600Z-180315T0000Z/ Orange-Seminole- 803 PM EDT Tue Mar 13 2018 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND DRY VEGETATION WITH HIGH ERC VALUES IN ORANGE AND SEMINOLE COUNTIES... The National Weather Service in Melbourne has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA... Orange... Seminole. * WIND...Northwest 10-13 mph Wednesday afternoon. * HUMIDITY...Min Humidity around 20 percent Wednesday afternoon. * IMPACTS...any fires that develop could spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 3:42 PM EDT | Fire Weather Watch | MLB | Orange, Seminole | 12 hr |
Nearby
Red Flag Warnings in Florida, 2018Every red flag warning in 2018
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.