Alert archive / Florida / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 48, NWS Melbourne, FL

December 13, 2002Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Dec 13, 2002, 10:46 AM EST for Brevard County, Florida. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 13, 2002, 10:46 AM EST (15:46 UTC)
Expired: Dec 13, 2002, 11:30 AM EST
In force: 44 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 15:48 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
Dec 13, 6:45 AM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 3.8 hours before the alert went out and 27 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: 1011 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 620 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 10.1

Open this sounding in Storm Lab

The text

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

013 
WUUS52 KMLB 131546
SVRMLB
FLC009-131630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1045 AM EST FRI DEC 13 2002

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BREVARD COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 1130 AM EST

* AT 1043 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH SIGNIFICANT ROTATION OVER THE INDIAN 
  RIVER EAST OF TITUSVILLE...MOVING NORTHEAST NEAR 40 MPH.

* THE STORMS ARE EXPECTED TO MOVE ACROSS NORTH MERRITT SLAND AND 
APPROACH THE KENNEDY SPACE CENTER AND PLAYALINDA BEACH. OTHER STORMS
WERE INTENSIFYING WEST OF COCOA NEAR STATE ROAD 528 AND THESE STORMS
MAY ALSO BECOME SEVERE.

A TORNADO WATCH IS IN EFFECT UNTIL NOON. THESE STORMS WILL BE 
CAPABLE OF PRODUCING A TORNADO IF THEY FURTHER INTENSIFY. PEOPLE IN 
THE PATH OF THESE STORMS SHOULD ACT NOW IN ORDER TO PROTECT 
THEMSELVES. DO NOT GET CAUGHT OFF GUARD

IF YOU ARE IN THE PATH OF A SEVERE THUNDERSTORM...THE SAFEST 
PLACE IS IN A STRONG BUILDING ON THE LOWEST FLOOR. MOVE TO AN 
INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET. KEEP AWAY FROM WINDOWS. 

IF YOU EXPERIENCE SEVERE WEATHER...PLEASE RELAY YOUR REPORT TO LOCAL
LAW ENFORCEMENT AND ASK THEM TO PASS IT ALONG TO THE NATIONAL WEATHER
SERVICE. OR YOU MAY CALL THE MELBOURNE WEATHER OFFICE DIRECTLY AT 
THIS NUMBER 1 800 6 8 3 4 4 6 8. YOUR TIMELY REPORT COULD SAVE 
SOMEONES LIFE

$$

LAT...LON 2856 8091 2843 8083 2860 8044 2879 8059

52

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 12, 11:09 PM EST	Special Marine Warning	MLB		2 hr
Dec 13, 7:21 AM EST	Special Marine Warning	MLB		114 min
Dec 13, 8:26 AM EST	Tornado Warning	MLB	Volusia	34 min
Dec 13, 8:55 AM EST	Special Marine Warning	MLB		2 hr
Dec 13, 9:02 AM EST	Tornado Warning	MLB	Brevard, Volusia	28 min
Dec 13, 10:53 AM EST	Special Marine Warning	MLB		67 min
Dec 13, 10:53 AM EST	Special Marine Warning	MLB		67 min
Dec 13, 11:15 AM EST	Special Marine Warning	MLB		2 hr
Dec 13, 11:15 AM EST	Special Marine Warning	MLB		2 hr
Dec 13, 11:35 AM EST	Severe Thunderstorm Warning	MLB	Brevard, Indian River	55 min
Dec 13, 12:19 PM EST	Severe Thunderstorm Warning	MLB	Okeechobee, Saint Lucie	7 days
Dec 13, 1:00 PM EST	Special Marine Warning	MLB		90 min

Nearby

Severe Thunderstorm Warnings in Florida, 2002 Every severe thunderstorm warning in 2002

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.