Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 37, NWS Miami, FL

November 4, 1998Broward County, Florida

NWS Miami, FL issued this tornado warning at Nov 4, 1998, 11:43 PM EST for Broward County, Florida. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 4, 1998, 11:43 PM EST (04:43 UTC)
Expired
Nov 5, 1998, 12:15 AM EST
In force
32 min
Issued by
NWS Miami, FL
Area
Whole counties

County Broward County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 4, 12:30 PM ESTTornado WatchSPC12 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 4.7 hours before the alert went out and 40 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 1998-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 110 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 1998-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 367 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
110 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
367 m²/s²
0-3 km storm-relative helicity
607 m²/s²
Significant tornado parameter
0.2
Supercell composite
17.0

Open this sounding in Storm Lab

The text

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

776 
WFUS1 KMIA 050445 RRA
TORMIA
FLC011-050515-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1143 PM EST WED NOV 4 1998

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BROWARD COUNTY IN SOUTHEASTERN FLORIDA

* UNTIL 1215 AM EST

* AT 1143 PM...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM WITH A
  POSSIBLE TORNADO JUST SOUTH OF BONAVENTURE MOVING NORTHEAST AT 40
  MPH.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS UNDER
STURDY FURNITURE IN AN INTERIOR ROOM ON THE LOWEST FLOOR. USE
PILLOWS TO PROTECT YOUR HEAD. AVOID WINDOWS. A MOBILE HOME IS NOT A
SAFE REFUGE FROM A TORNADO. MOVE TO A MORE SUBSTANTIAL BUILDING. DO
NOT TRY TO OUTRUN A TORNADO IN YOUR VEHICLE.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 4, 9:31 PM ESTSevere Thunderstorm WarningMFLCollier44 min
Nov 4, 10:16 PM ESTSevere Thunderstorm WarningMFLCollier44 min
Nov 4, 10:58 PM ESTTornado WarningMFLCollier32 min
Nov 5, 12:13 AM ESTSevere Thunderstorm WarningMFLPalm Beach32 min
Nov 5, 1:06 AM ESTFlash Flood WarningMFLBroward, Miami-Dade2 hr
Nov 5, 1:06 AM ESTFlash Flood WarningMFLPalm Beach2 hr

Nearby

Tornado Warnings in Florida, 1998Every tornado warning in 1998Tornadoes in 1998

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.