Alert archive / Florida / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 21, NWS Melbourne, FL

March 25, 2005Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Mar 25, 2005, 4:15 PM EST for Brevard County, Florida. It was in force for 51 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: Mar 25, 2005, 4:15 PM EST (21:15 UTC)
Expired: Mar 25, 2005, 5:06 PM EST
In force: 51 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), 28 km from the middle of the area, began a volume at 21:18 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.

Issued	Product	Office	Lasted
Mar 25, 12:05 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 9.3 hours before the alert went out and 24 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2323 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMLB 252115
SVRMLB
FLC009-252200-
/O.NEW.KMLB.SV.W.0021.050325T2115Z-050325T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
415 PM EST FRI MAR 25 2005

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BREVARD COUNTY IN EAST CENTRAL FLORIDA
  THIS INCLUDES THE CITIES OF...ROCKLEDGE...PATRICK AIRFORCE BASE...
  MERRITT ISLAND...PORT CANAVERAL...COCOA BEACH...COCOA...CAPE
  CANAVERAL

* UNTIL 500 PM EST

* AT 410 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS   
STORM WAS LOCATED NEAR ROCKLEDGE...AND MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COCOA BY 420 PM EST
  MERRITT ISLAND BY 425 PM EST
  COCOA BEACH BY 430 PM EST
  CAPE CANAVERAL BY 435 PM EST
  JETTY PARK AND PORT CANAVERAL BY 440 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.

EXCESSIVE CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF AT ALL POSSIBLE...STAYING AWAY FROM WINDOWS AND DOORS AND
AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY.

LAT...LON 2835 8090 2819 8081 2835 8041 2856 8051

$$

KELLY

2 follow-up statements

000 
WWUS52 KMLB 252130
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
429 PM EST FRI MAR 25 2005

FLC009-252200-
/O.CON.KMLB.SV.W.0021.000000T0000Z-050325T2200Z/
BREVARD FL-
429 PM EST FRI MAR 25 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 500 PM EST FOR 
BREVARD COUNTY...

AT 427 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. 
THIS STORM WAS LOCATED NEAR COCOA BEACH...MOVING NORTHEAST AT 25 MPH.
OTHER STORMS OVER NORTHERN BREVARD...APPROACHING KENNEDY SPACE 
CENTER AND MERRITT ISLAND WILDLIFE REFUGE ARE SHOWING SOME ROTATION 
ABOVE THE SURFACE.  

THE SEVERE THUNDERSTORM WILL BE NEAR...
  COCOA BEACH BY 420 PM EST
  JETTY PARK...PORT CANAVERAL AND CAPE CANAVERAL BY 430 PM EST
  8 MILES SOUTHEAST OF KENNEDY SPACE CENTER BY 440 PM EST

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.

DIME SIZE HAIL HAS BEEN REPORTED IN ROCKLEDGE WITH THIS STORM. IF 
YOU ARE IN  THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT 
LIFE AND PROPERTY.

LAT...LON 2861 8095 2819 8081 2835 8041 2868 8062

$$

KELLY

000 
WWUS52 KMLB 252206
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
500 PM EST FRI MAR 25 2005

FLC009-252210-
/O.EXP.KMLB.SV.W.0021.000000T0000Z-050325T2200Z/
BREVARD FL-
500 PM EST FRI MAR 25 2005

...THE SEVERE THUNDERSTORM WARNING FOR BREVARD COUNTY EXPIRED AT 500 
PM EST...

AT 500 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 OR LARGE HAIL. AS A
RESULT...THE WARNING HAS BEEN ALLOWED TO EXPIRE.

HOWEVER...RADAR INDICATED THAT HEAVY RAIN AND FREQUENT LIGHTNING 
WILL CONTINUE TO MOVE INTO NORTH AND CENTRAL BREVARD COUNTY FROM THE 
WEST...AND SPREAD SOUTHWARD INTO MELBOURNE AND PALM BAY. ADDITIONAL 
RAINFALL AMOUNTS OF ONE TO THREE INCHES WILL BE POSSIBLE THROUGH 7 
PM. THIS WILL LIKELY CAUSE FLOODING OF LOW LYING AND POOR DRAINAGE 
AREAS. SLOW DOWN IN HEAVY RAIN TO REDUCE THE RISK OF HYDROPLANING 
AND DO NOT USE CRUISE CONTROL. STAY TUNED TO NOAA WEATHER RADIO OR 
LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION.

LAT...LON 2861 8095 2819 8081 2835 8041 2868 8062

$$

KELLY

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 4:26 AM EST	Special Marine Warning	MLB		94 min
Mar 25, 4:50 AM EST	Special Marine Warning	MLB		85 min
Mar 25, 12:30 PM EST	Special Marine Warning	MLB		2 hr
Mar 25, 12:39 PM EST	Tornado Warning	MLB	Volusia	51 min
Mar 25, 1:30 PM EST	Tornado Warning	MLB	Volusia	47 min
Mar 25, 1:32 PM EST	Severe Thunderstorm Warning	MLB	Volusia	60 min
Mar 25, 1:53 PM EST	Special Marine Warning	MLB		2 hr
Mar 25, 1:57 PM EST	Severe Thunderstorm Warning	MLB	Brevard	63 min
Mar 25, 2:22 PM EST	Special Marine Warning	MLB		113 min
Mar 25, 2:35 PM EST	Special Marine Warning	MLB		85 min
Mar 25, 2:50 PM EST	Special Marine Warning	MLB		115 min
Mar 25, 2:50 PM EST	Severe Thunderstorm Warning	MLB	Martin	42 min
Mar 25, 2:57 PM EST	Severe Thunderstorm Warning	MLB	Brevard	63 min
Mar 25, 3:05 PM EST	Severe Thunderstorm Warning	MLB	Lake	40 min
Mar 25, 3:12 PM EST	Severe Thunderstorm Warning	MLB	Orange, Seminole	63 min
Mar 25, 4:05 PM EST	Special Marine Warning	MLB		115 min
Mar 25, 4:21 PM EST	Severe Thunderstorm Warning	MLB	Seminole	54 min

Nearby

Severe Thunderstorm Warnings in Florida, 2005 Every 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.