Alert archive / Florida / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 83, NWS Melbourne, FL

July 23, 2003Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jul 23, 2003, 3:05 PM EDT for Orange County, Florida. It was in force for 55 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: Jul 23, 2003, 3:05 PM EDT (19:05 UTC)
Expired: Jul 23, 2003, 4:00 PM EDT
In force: 55 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), 97 km from the middle of the area, began a volume at 19:08 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 12:00Z, 7.1 hours before the alert went out and 107 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: 1447 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 761 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 64 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 231905
SVRMLB
FLC095-232000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
303 PM EDT WED JUL 23 2003

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 400 PM EDT

* AT 305 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF ANIMAL KINGDOM...OR ABOUT
  9 MILES SOUTHWEST OF MGM STUDIOS...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR ANIMAL KINGDOM AT 315 PM EDT
  NEAR MGM STUDIOS...EPCOT AT 320 PM EDT
  NEAR MAGIC KINGDOM...LAKE BUENA VISTA...PLEASURE ISLAND AT 325 PM
  EDT
  NEAR BAY HILL...SEA WORLD AT 335 PM EDT
  NEAR DOCTOR PHILLIPS...WET N WILD WATER PARK AT 340 PM EDT

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.

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

LAT...LON 2831 8182 2819 8168 2851 8120 2874 8142

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 2:08 PM EDT	Special Marine Warning	MLB		2 hr
Jul 23, 4:13 PM EDT	Special Marine Warning	MLB		2 hr
Jul 23, 6:23 PM EDT	Special Marine Warning	MLB		97 min
Jul 23, 6:23 PM EDT	Special Marine Warning	MLB		97 min
Jul 23, 6:40 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	50 min

Nearby

Severe Thunderstorm Warnings in Florida, 2003 Every 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.