Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 4, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at Jan 13, 2011, 2:22 AM EST for 6 counties in Florida. It took effect at Jan 13, 2011, 12:00 PM EST. It was in force for 4 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
- Jan 13, 2011, 2:22 AM EST (07:22 UTC)
- In effect from
- Jan 13, 2011, 12:00 PM EST
- Expired
- Jan 13, 2011, 4:00 PM EST
- In force
- 4 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 07:24 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, 7.4 hours before the alert went out and 73 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
- 2243 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
921 WWUS82 KMLB 130722 RFWMLB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 222 AM EST THU JAN 13 2011 FLZ044>046-053-058-144-132100- /O.UPG.KMLB.FW.A.0003.110113T1700Z-110113T2100Z/ /O.NEW.KMLB.FW.W.0004.110113T1700Z-110113T2100Z/ NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE-SOUTHERN LAKE- 222 AM EST THU JAN 13 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 4 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 4 PM EST THIS AFTERNOON. A DRY AIRMASS WILL REMAIN IN PLACE ACROSS THE INTERIOR COUNTIES TODAY WITH 4 TO 5 HOURS OF LOW RH VALUES EXPECTED THIS AFTERNOON. NORTHERLY WINDS AROUND 10 TO 15 MPH WILL BECOME NORTHEAST BY THE AFTERNOON AND DROP BELOW 10 MPH AS HIGH PRESSURE MOVES CLOSER TO THE REGION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR WITHIN THE NEXT 24 HOURS. && $$ FLZ041-132100- /O.NEW.KMLB.FW.W.0004.110113T1700Z-110113T2100Z/ INLAND VOLUSIA- 222 AM EST THU JAN 13 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 4 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 4 PM EST THIS AFTERNOON. A DRY AIRMASS WILL REMAIN IN PLACE ACROSS THE INTERIOR TODAY WITH 4 HOURS OF LOW RH VALUES EXPECTED THIS AFTERNOON. NORTHERLY WINDS AROUND 10 TO 15 MPH WILL BECOME NORTHEAST BY THE AFTERNOON AND DROP BELOW 10 MPH AS HIGH PRESSURE MOVES CLOSER TO THE REGION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR WITHIN THE NEXT 24 HOURS. && $$ MOSES
1 follow-up statement
339 WWUS82 KMLB 132120 RFWMLB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 420 PM EST THU JAN 13 2011 FLZ041-044>046-053-058-144-132230- /O.EXP.KMLB.FW.W.0004.000000T0000Z-110113T2100Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE- SOUTHERN LAKE- 420 PM EST THU JAN 13 2011 ...RED FLAG WARNING HAS EXPIRED... RELATIVE HUMIDITY VALUES HAVE RISEN ABOVE CRITICAL LEVELS OVER MOST AREAS IN THE WARNING AREA. THEREFORE THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...A FEW LOCATIONS OVER LAKE COUNTY MAY CONTINUE TO SEE RELATIVE HUMIDITY VALUES JUST BELOW 35 PERCENT THROUGH 5 PM. $$ WEITLICH
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 3:25 PM EST | Freeze Warning | MLB | Lake, Volusia | 18 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.