Alert archive / Florida / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 13, NWS Miami, FL

June 17, 2002Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 17, 2002, 7:30 PM EDT for Palm Beach County, Florida. It was in force for 30 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: Jun 17, 2002, 7:30 PM EDT (23:30 UTC)
Expired: Jun 17, 2002, 8:00 PM EDT
In force: 30 min
Issued by: NWS Miami, FL
Area: Counties, with a storm outline in the text

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 123 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 98 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: 1115 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1003 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMFL 172330
SVRMIA
FLC099-180000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
730 PM EDT MON JUN 17 2002

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL PALM BEACH COUNTY IN SOUTHEAST FLORIDA

* UNTIL 800 PM EDT

* AT 730 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER GREENACRES CITY...MOVING NORTHEAST AT 20
  MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 800 PM EDT...
  PALM SPRINGS AND GREENACRES CITY AND LAKE WORTH AND FLORIDA GARDENS
  HAVERHILL AND SOUTH PALM BEACH
  WEST PALM BEACH
  PALM BEACH
  PORT OF PALM BEACH AND RIVIERA BEACH

FREQUENT 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. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 2665 8028 2653 8013 2673 7989 2687 8005

.END

KOSIER

The office that day

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

Issued	Product	Office	Lasted
Jun 17, 2:32 AM EDT	Special Marine Warning	MFL	43 min
Jun 17, 3:13 AM EDT	Special Marine Warning	MFL	32 min
Jun 17, 3:47 AM EDT	Special Marine Warning	MFL	58 min
Jun 17, 6:52 PM EDT	Special Marine Warning	MFL	38 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.