Alert archive / Florida / Red Flag Warnings in 2015
Red Flag Warning 1, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at Feb 19, 2015, 2:36 AM EST for Seminole County, Florida. It took effect at Feb 19, 2015, 9:00 AM EST. It was in force for 9 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
- Feb 19, 2015, 2:36 AM EST (07:36 UTC)
- In effect from
- Feb 19, 2015, 9:00 AM EST
- Expired
- Feb 19, 2015, 6:00 PM EST
- In force
- 9 hr
- Issued by
- NWS Melbourne, FL
County Seminole County, FL
The radar
The Melbourne radar (KMLB), 88 km from the middle of the area, began a volume at 07:37 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
Tampa Bay, FL (KTBW), launched 00:00Z, 7.6 hours before the alert went out and 160 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
- 1679 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- -132 m²/s²
- 0-3 km storm-relative helicity
- -63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
518 WWUS82 KMLB 190736 RFWMLB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 236 AM EST THU FEB 19 2015 ...VERY DRY AIR WITH GUSTY NORTHWEST WINDS TODAY... FLZ041-044-045-053-058-141-144-190845- /O.CAN.KMLB.FW.A.0001.150219T1500Z-150220T0000Z/ INLAND VOLUSIA COUNTY-NORTHERN LAKE COUNTY-ORANGE-OSCEOLA- OKEECHOBEE-COASTAL VOLUSIA COUNTY-SOUTHERN LAKE COUNTY- 236 AM EST THU FEB 19 2015 ...FIRE WEATHER WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS CANCELLED THE FIRE WEATHER WATCH FOR THE ABOVE COUNTIES. IT IS IMPORTANT TO NOTE...THAT WHILE WEATHER CONDITIONS WILL NOT BE ANY DIFFERENT THAN IN THE COUNTIES WHERE A RED FLAG WARNING WILL BE GOING INTO EFFECT... ENERGY RELEASE COMPONENT VALUES IN THESE COUNTIES HAVE NOT YET RISEN HIGH ENOUGH THIS SEASON TO WARRANT ISSUANCE OF A WARNING. $$ FLZ046-047-054-059-064-147-192300- /O.UPG.KMLB.FW.A.0001.150219T1500Z-150220T0000Z/ /O.NEW.KMLB.FW.W.0001.150219T1400Z-150219T2300Z/ SEMINOLE-SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN- NORTHERN BREVARD COUNTY- 236 AM EST THU FEB 19 2015 ...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM EST THIS EVENING VERY LOW HUMIDITY AND SUSTAINED WINDS. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA... INLAND VOLUSIA COUNTY... NORTHERN LAKE COUNTY... ORANGE... SEMINOLE... SOUTHERN BREVARD COUNTY... OSCEOLA... INDIAN RIVER... OKEECHOBEE... ST. LUCIE... MARTIN... COASTAL VOLUSIA COUNTY... SOUTHERN LAKE COUNTY... NORTHERN BREVARD COUNTY. * WIND...20 FOOT WINDS NEAR 20 MPH WITH OCCASIONAL GUSTS TO AROUND 30 MPH. * HUMIDITY...RELATIVE HUMIDITY VALUES OF 15 TO 25 PERCENT IN THE AFTERNOON. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH ENERGY RELEASE COMPONENT VALUES WILL CREATE VERY HIGH FIRE GROWTH POTENTIAL. && $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 9:32 PM EST | Lake Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 20 hr |
| Feb 18, 9:56 PM EST | Gale Warning | MLB | 12 hr | |
| Feb 18, 9:56 PM EST | Small Craft Advisory | MLB | 33 hr | |
| Feb 19, 2:41 AM EST | Freeze Warning | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 30 hr |
| Feb 19, 1:55 PM EST | Hard Freeze Warning | MLB | Lake, Volusia | 19 hr |
| Feb 19, 2:34 PM EST | Wind Chill Advisory | MLB | 18 hr |
Nearby
Red Flag Warnings in Florida, 2015Every red flag warning in 2015
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.