Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 42, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at May 4, 2007, 2:25 PM EDT for 4 counties in Florida. It was in force for 5 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 4, 2007, 2:25 PM EDT (18:25 UTC)
- Expired
- May 4, 2007, 7:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL
The radar
The Melbourne radar (KMLB), 61 km from the middle of the area, began a volume at 18:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 5:27 PM EDT | HAIL 0.5 | 1 N Basinger, FL | REPORTS FROM CUSTOMERS WHILE ENROUTE TO THE STORE. |
| May 4, 5:44 PM EDT | HAIL 0.5 | 10 N Basinger, FL | NUMEROUS REPORTS OF HAIL RANGING FROM PEA SIZE TO DIME SIZE IN THE VICINITY OF KISSIMMEE PRARIE PRESERVE STATE PARK AND BY ANOTHER STORM SPOTTER IN VICINITY OF NW 268TH STREET. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 6.4 hours before the alert went out and 82 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
- 1297 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KMLB 041825 RFWMLB RED FLAG WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 225 PM EDT FRI MAY 4 2007 ...ANOTHER AFTERNOON WITH LOW RELATIVE HUMIDITY VALUES ACROSS THE WESTERN INTERIOR... FLZ044-045-053-058-144-042300- /O.NEW.KMLB.FW.W.0042.070504T1825Z-070504T2300Z/ NORTHERN LAKE-ORANGE-OSCEOLA-OKEECHOBEE-SOUTHERN LAKE- 225 PM EDT FRI MAY 4 2007 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM EDT THIS EVENING. THE WARNING IS IN EFFECT FOR LAKE AND WESTERN PORTIONS OF ORANGE... OSCEOLA AND OKEECHOBEE COUNTIES. RELATIVE HUMIDITY VALUES HAVE DROPPED QUICKLY EARLY THIS AFTERNOON AS DEEP LAYER VERITCAL MIXING HAS BROUGHT DOWN VERY DRY AIR WELL ABOVE THE SURFACE. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS... LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW... OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS. $$ CRISTALDI
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 5:19 PM EDT | Severe Thunderstorm Warning | MLB | Okeechobee | 56 min |
| May 4, 7:11 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 19 min |
Nearby
Red Flag Warnings in Florida, 2007Every red flag warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.