Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 13, NWS Melbourne, FL

November 4, 2003Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Nov 4, 2003, 1:31 AM EST for Martin County, Florida. It was in force for 29 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
Nov 4, 2003, 1:31 AM EST (06:31 UTC)
Expired
Nov 4, 2003, 2:00 AM EST
In force
29 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Martin County, FL

The radar

The Melbourne radar (KMLB), 110 km from the middle of the area, began a volume at 06:33 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 6.5 hours before the alert went out and 145 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 00:00Z on 2003-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3118 joules per kilogram.LCLEL10008507005003002001001 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, Cape Canaveral, FL at 00:00Z on 2003-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.1939Sfc1 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
3118 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.9

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMLB 040631
TORMLB
FLC085-040700-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
129 AM EST TUE NOV 4 2003

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MARTIN COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 200 AM EST

* AT 123 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STORM CAPABLE OF PRODUCING A TORNADO 3 MILES NORTHEAST OF PORT
  SALERNO...OR ABOUT 4 MILES EAST OF STUART...MOVING WEST AT 10 MPH.

* THE STORM IS EXPECTED TO BE...
  NEAR PORT SEWALL AT 140 AM EST
  NEAR STUART...RIO...JENSEN BEACH...PALM CITY AT 150 AM EST

TORNADOES MAY SOMETIMES BE WRAPPED IN HEAVY RAIN AND ARE HARD TO SEE 
OR HEAR UNTIL THEY ARE VERY CLOSE. DO NOT GET CAUGHT OFFGUARD

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN A STRONG
BUILDING ON THE LOWEST FLOOR. MOVE TO AN INTERIOR ROOM AND KEEP AWAY
FROM WINDOWS.

LAT...LON 2713 8016 2713 8026 2716 8029 2716 8043
          2719 8043 2719 8029 2722 8026 2725 8029
          2725 8019

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 4, 1:14 AM ESTSpecial Marine WarningMLB61 min
Nov 4, 2:11 AM ESTSpecial Marine WarningMLB2 hr

Nearby

Tornado Warnings in Florida, 2003Every tornado warning in 2003Tornadoes in 2003

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.