Alert archive / Florida / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 50, NWS Miami, FL

December 9, 2002Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Dec 9, 2002, 7:59 PM EST for Miami-Dade County, Florida. It was in force for 46 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Dec 9, 2002, 7:59 PM EST (00:59 UTC)
Expired
Dec 9, 2002, 8:45 PM EST
In force
46 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Miami-Dade County, FL

What was reported inside it

TimeReportWhereRemark
Dec 9, 8:20 PM ESTThunderstorm Wind 50 EGKey Biscayne, FLA tree was blown down on Harbor Drive.
Dec 9, 8:40 PM ESTThunderstorm Wind 50 EMiami Beach, FLSevere thunderstorm wind gusts blew down trees on Washington Avenue.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 1.0 hours before the alert went out and 15 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, Miami, FL at 00:00Z on 2002-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 562 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, Miami, FL at 00:00Z on 2002-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
562 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMFL 100059
SVRMIA
FLC086-100145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
757 PM EST MON DEC 9 2002

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA

* UNTIL 845 PM EST

* AT 757 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH DAMAGING WINDS OVER KEY BISCAYNE...MOVING
  NORTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  VIRGINIA KEY BY 810 PM EST
  FISHER ISLAND BY 815 PM EST
  SOUTH BEACH BY 825 PM EST
  MIAMI BEACH BY 835 PM EST
  MIAMI SHORES BY 840 PM EST

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY BUILDING
AWAY FROM WINDOWS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE...DAMAGING
WINDS IN EXCESS OF 55 MPH...LIGHTNING...AND VERY HEAVY RAIN.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN
ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305 229
4522 TO REPORT SEVERE WEATHER.

LAT...LON 2562 8029 2556 8011 2588 8000 2596 8020

.END

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 9, 7:12 PM ESTSpecial Marine WarningMFL63 min
Dec 9, 8:02 PM ESTSpecial Marine WarningMFL118 min
Dec 9, 8:38 PM ESTTornado WarningMFLBroward, Miami-Dade52 min
Dec 9, 8:48 PM ESTSevere Thunderstorm WarningMFLPalm Beach42 min
Dec 9, 9:52 PM ESTSpecial Marine WarningMFL113 min
Dec 9, 10:45 PM ESTSpecial Marine WarningMFL2 hr
Dec 9, 11:39 PM ESTSpecial Marine WarningMFL51 min
Dec 10, 1:17 AM ESTSevere Thunderstorm WarningMFLMiami-Dade, Monroe28 min
Dec 10, 2:50 AM ESTSpecial Marine WarningMFL115 min
Dec 10, 4:14 AM ESTSpecial Marine WarningMFL2 hr
Dec 10, 4:20 AM ESTSpecial Marine WarningMFL115 min

Nearby

Severe Thunderstorm Warnings in Florida, 2002Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.