Alert archive / Florida / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 9, NWS Miami, FL

May 31, 2002Broward County, Florida

NWS Miami, FL issued this severe thunderstorm warning at May 31, 2002, 5:47 PM EDT for Broward County, Florida. It was in force for 28 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: May 31, 2002, 5:47 PM EDT (21:47 UTC)
Expired: May 31, 2002, 6:15 PM EDT
In force: 28 min
Issued by: NWS Miami, FL
Area: Counties, with a storm outline in the text

County Broward County, FL

The radar

The Miami radar (KAMX), 54 km from the middle of the area, began a volume at 21:50 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

Miami, FL (KMFL), launched 12:00Z, 9.8 hours before the alert went out and 28 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: 567 J/kg
Mixed-layer CIN: -155 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -43 m²/s²
0-3 km storm-relative helicity: -18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

851 
WUUS52 KMFL 312147
SVRMIA
FLC011-312215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
546 PM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BROWARD COUNTY IN SOUTHEAST FLORIDA

* UNTIL 615 PM EDT

* AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM WITH DAMAGING WINDS NEAR MIRAMAR...
  MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTH PERRY AIRPORT BY 550 PM EDT
  PEMBROKE PINES BY 550 PM EDT
  HOLLYWOOD BY 555 PM EDT
  DANIA BEACH BY 600 PM EDT
  PORT EVERGLADES BY 610 PM EDT

HAIL...FREQUENT LIGHTNING...VERY HEAVY RAIN AND STRONG DAMAGING WINDS
ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL
THE STORM PASSES.

LAT...LON 2600 8043 2597 8022 2612 7997 2627 8015

.END

PFOST

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 4:30 PM EDT	Special Marine Warning	MFL		30 min
May 31, 4:43 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	32 min
May 31, 4:46 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	29 min
May 31, 5:04 PM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	26 min
May 31, 5:13 PM EDT	Tornado Warning	MFL	Miami-Dade	32 min
May 31, 5:44 PM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	31 min
May 31, 6:29 PM EDT	Severe Thunderstorm Warning	MFL	Glades	31 min
May 31, 6:42 PM EDT	Special Marine Warning	MFL		48 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.