Alert archive / Florida / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 2, NWS Melbourne, FL

February 27, 2005Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Feb 27, 2005, 5:05 PM EST for Brevard County, Florida. It was in force for 13 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 27, 2005, 5:05 PM EST (22:05 UTC)
Expired
Feb 27, 2005, 5:18 PM EST
In force
13 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 26 km from the middle of the area, began a volume at 22:06 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 27, 10:40 AM ESTTornado WatchSPC7 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.1 hours before the alert went out and 60 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.

Skew-T log-pSkew-T log-p diagram, Cape Canaveral, FL at 12:00Z on 2005-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 74 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2005-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
74 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
492 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
310 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KMLB 272205
SVRMLB
FLC009-272215-
/O.NEW.KMLB.SV.W.0002.050227T2205Z-050227T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
505 PM EST SUN FEB 27 2005

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BREVARD COUNTY IN EAST CENTRAL FLORIDA
  THIS INCLUDES THE CITIES OF...MALABAR...GRANT...BAREFOOT BAY

* UNTIL 515 PM EST

* AT 501 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS  
OF 60 MPH.  THIS STORM WAS LOCATED NEAR MALABAR...AND MOVING EAST AT 
40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BAREFOOT BAY AND MICCO BY 510 PM EST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 2804 8062 2787 8068 2775 8031 2794 8024

$$

28
1 follow-up statement
000 
WWUS52 KMLB 272218
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
517 PM EST SUN FEB 27 2005

FLC009-272227-
/O.EXP.KMLB.SV.W.0002.000000T0000Z-050227T2215Z/
BREVARD FL-
517 PM EST SUN FEB 27 2005

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BREVARD COUNTY
EXPIRED AT 515 PM EST...

AT 517 PM EST NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO
LONGER CAPABLE OF PRODUCING DAMAGING WINDS. AS A RESULT...THE 
WARNING HAS BEEN ALLOWED TO EXPIRE.

HOWEVER...RADAR INDICATED THAT HEAVY RAIN AND GUSTY WINDS WILL 
CONTINUE OVER SOUTHEAST BREVARD COUNTY. THE HEAVY RAIN WILL BEGIN TO 
TAPER OFF BY 6 PM. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA 
OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION.

LAT...LON 2804 8062 2787 8068 2775 8031 2794 8024

$$

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 3:15 PM ESTTornado WarningMLBOsceola30 min
Feb 27, 3:58 PM ESTSevere Thunderstorm WarningMLBBrevard32 min
Feb 27, 3:59 PM ESTSpecial Marine WarningMLB91 min
Feb 27, 4:07 PM ESTTornado WarningMLBBrevard23 min
Feb 27, 5:29 PM ESTTornado WarningMLBOkeechobee, Osceola31 min
Feb 27, 5:44 PM ESTTornado WarningMLBIndian River31 min
Feb 27, 6:09 PM ESTSpecial Marine WarningMLB66 min
Feb 27, 6:12 PM ESTTornado WarningMLBIndian River33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2005Every severe thunderstorm warning in 2005

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.