Alert archive / Florida / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 46, NWS Miami, FL

November 16, 2002Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Nov 16, 2002, 1:14 PM EST for Collier County, Florida. It was in force for 61 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: Nov 16, 2002, 1:14 PM EST (18:14 UTC)
Expired: Nov 16, 2002, 2:15 PM EST
In force: 61 min
Issued by: NWS Miami, FL
Area: Counties, with a storm outline in the text

County Collier County, FL

The radar

The Miami radar (KAMX), 131 km from the middle of the area, began a volume at 18:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 16, 10:30 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 6.2 hours before the alert went out and 135 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: 471 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 919 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

547 
WUUS52 KMFL 161814
SVRMIA
FLC021-161915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
112 PM EST SAT NOV 16 2002

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN COLLIER COUNTY IN SOUTHWEST FLORIDA

* UNTIL 215 PM EST

* AT 112 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH DAMAGING WINDS 15 MILES WEST OF KEY
  MARCO...MOVING NORTHEAST AT 45 MPH.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR ROOM IN
THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS SPOTTED.

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 2614 8181 2586 8169 2610 8125 2632 8143

.END

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 11:28 AM EST	Special Marine Warning	MFL		62 min
Nov 16, 12:31 PM EST	Special Marine Warning	MFL		59 min
Nov 16, 12:50 PM EST	Special Marine Warning	MFL		70 min
Nov 16, 1:54 PM EST	Special Marine Warning	MFL		96 min
Nov 16, 2:19 PM EST	Tornado Warning	MFL	Palm Beach	41 min
Nov 16, 2:49 PM EST	Special Marine Warning	MFL		86 min
Nov 16, 3:42 PM EST	Special Marine Warning	MFL		93 min
Nov 16, 4:16 PM EST	Severe Thunderstorm Warning	MFL	Collier, Monroe	59 min
Nov 16, 4:24 PM EST	Special Marine Warning	MFL		36 min
Nov 16, 4:53 PM EST	Tornado Warning	MFL	Collier, Hendry, Palm Beach	37 min
Nov 16, 5:19 PM EST	Severe Thunderstorm Warning	MFL	Broward, Miami-Dade, Monroe	56 min
Nov 16, 5:51 PM EST	Severe Thunderstorm Warning	MFL	Broward, Miami-Dade	69 min
Nov 16, 6:00 PM EST	Special Marine Warning	MFL		2 hr

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.