Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 13, NWS Melbourne, FL

May 15, 2006Indian River County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 15, 2006, 6:23 PM EDT for Indian River County, Florida. It was in force for 21 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
May 15, 2006, 6:23 PM EDT (22:23 UTC)
Expired
May 15, 2006, 6:44 PM EDT
In force
21 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Indian River County, FL

The radar

The Melbourne radar (KMLB), 40 km from the middle of the area, began a volume at 22:24 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

Tampa Bay, FL (KTBW), launched 12:00Z, 10.4 hours before the alert went out and 186 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, Tampa Bay, FL at 12:00Z on 2006-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2006-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
128 J/kg
Mixed-layer CIN
-274 J/kg
Mixed-layer LCL
754 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMLB 152223
SVRMLB
FLC061-152300-
/O.NEW.KMLB.SV.W.0013.060515T2223Z-060515T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
623 PM EDT MON MAY 15 2006

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN INDIAN RIVER COUNTY IN FLORIDA
  THIS INCLUDES THE CITIES OF...WABASSO...SEBASTIAN INLET...
  SEBASTIAN...ROSELAND

* UNTIL 700 PM EDT

* AT 620 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  VERO LAKE ESTATES...OR ABOUT NEAR FELLSMERE...AND MOVING NORTHEAST
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SEBASTIAN...WABASSO AND ROSELAND BY 630 PM EDT
  SEBASTIAN INLET BY 635 PM EDT

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.

LAT...LON 2781 8059 2769 8057 2771 8037 2784 8044

$$
2 follow-up statements
000 
WWUS52 KMLB 152236
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
635 PM EDT MON MAY 15 2006

FLC061-152300-
/O.CON.KMLB.SV.W.0013.000000T0000Z-060515T2300Z/
INDIAN RIVER FL-
635 PM EDT MON MAY 15 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHEASTERN INDIAN RIVER COUNTY...

AT 633 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR ORCHID...OR ABOUT NEAR SEBASTIAN INLET...MOVING 
NORTHEAST AT 30 MPH. THIS STORM WILL MOVE OFFSHORE INTO THE 
INTRACOASTAL WATERS SHORTLY WHERE A SPECIAL MARINE WARNING IS IN 
EFFECT UNTIL 7 PM EDT.

LAT...LON 2781 8059 2769 8057 2771 8037 2784 8044

$$
000 
WWUS52 KMLB 152244
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
642 PM EDT MON MAY 15 2006

FLC061-152252-
/O.CAN.KMLB.SV.W.0013.000000T0000Z-060515T2300Z/
INDIAN RIVER FL-
642 PM EDT MON MAY 15 2006

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN INDIAN RIVER
COUNTY IS CANCELLED...

AT 642 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
SEVERE THUNDERSTORM HAD MOVED OFF THE COAST INTO THE INTRACOASTAL 
WATERS OF THE ATLANTIC OCEAN...THUS THE WARNING HAS BEEN CANCELLED.

HOWEVER...RADAR INDICATED THAT OTHER STORMS IN INDIAN RIVER COUNTY 
COULD PRODUCE ISOLATED AREAS OF HEAVY RAIN AND GUSTY WINDS. STAY 
TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST 
SEVERE WEATHER INFORMATION.

LAT...LON 2781 8059 2769 8057 2771 8037 2784 8044

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 3:06 PM EDTRed Flag WarningMLBSeminole, Volusia5 hr
May 15, 4:49 PM EDTSevere Thunderstorm WarningMLBOkeechobee, Saint Lucie56 min
May 15, 5:32 PM EDTSevere Thunderstorm WarningMLBIndian River28 min
May 15, 5:35 PM EDTSpecial Marine WarningMLB85 min

Nearby

Severe Thunderstorm Warnings in Florida, 2006Every severe thunderstorm warning in 2006

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.