Alert archive / Florida / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 13, NWS Melbourne, FL

March 14, 2003Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Mar 14, 2003, 9:24 PM EST for Orange 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 14, 2003, 9:24 PM EST (02:24 UTC)
Expired
Mar 14, 2003, 10:15 PM EST
In force
51 min
Issued by
NWS Melbourne, FL
Area
Counties, with a storm outline in the text

County Orange County, FL

The radar

The Melbourne radar (KMLB), 70 km from the middle of the area, began a volume at 02:27 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, 2.4 hours before the alert went out and 74 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 2003-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2528 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 00:00Z on 2003-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.19395878Sfc1 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
2528 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
524 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
1.2
Supercell composite
8.0

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMLB 150224
SVRMLB
FLC095-150315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
924 PM EST FRI MAR 14 2003

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 1015 PM EST

* AT 917 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF LAKE MARY JANE...OR 
  JUST NORTH OF NARCOOSSEE...MOVING NORTH AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  5 MILES EAST OF ORLANDO INTERNATIONAL AIRPORT AT 935 PM EST
  7 MILES EAST OF CONWAY AT 945 PM EST
  NEAR UNION PARK AT 950 PM EST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. IF
THE STORM APPROACHES YOU...MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR.

LAT...LON 2836 8136 2835 8111 2856 8111 2860 8135

$$

RL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 7:18 PM ESTSevere Thunderstorm WarningMLBOkeechobee57 min
Mar 14, 7:48 PM ESTSpecial Marine WarningMLB57 min
Mar 14, 8:16 PM ESTSevere Thunderstorm WarningMLBOsceola59 min
Mar 14, 9:55 PM ESTSevere Thunderstorm WarningMLBSeminole65 min
Mar 14, 10:44 PM ESTSevere Thunderstorm WarningMLBVolusia61 min
Mar 14, 10:45 PM ESTSpecial Marine WarningMLB90 min
Mar 15, 12:15 AM ESTSpecial Marine WarningMLB2 hr
Mar 15, 12:15 AM ESTSpecial Marine WarningMLB2 hr
Mar 15, 2:08 AM ESTSpecial Marine WarningMLB112 min
Mar 15, 2:08 AM ESTSpecial Marine WarningMLB112 min
Mar 15, 2:29 PM ESTSpecial Marine WarningMLB61 min

Nearby

Severe Thunderstorm Warnings in Florida, 2003Every severe thunderstorm warning 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.