Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 35, NWS Miami, FL

November 4, 1998Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Nov 4, 1998, 6:53 PM EST for Miami-Dade County, Florida. It was in force for 47 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, 6:53 PM EST (23:53 UTC)
Expired
Nov 4, 1998, 7:40 PM EST
In force
47 min
Issued by
NWS Miami, FL
Area
Whole counties

County Miami-Dade 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 12:00Z, 11.9 hours before the alert went out and 31 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 12:00Z on 1998-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 715 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1998-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 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
715 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
738 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

560 
WFUS1 KMIA 042354 RRA
TORMIA
FLC025-050040-

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL DADE COUNTY IN SOUTHEASTERN FLORIDA

* UNTIL 740 PM EST

* AT 650 PM EST MIAMI DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  AND A POSSIBLE TORNADO ABOUT 2 MILES NORTHWEST OF CHEKIKA STATE
  PARK MOVING NORTH NORTHEAST AT 35 MPH.

* SOME LOCATIONS AFFECTED...
  ON THIS PATH THIS SEVERE THUNDERSTORM AND POSSIBLE TORNADO WILL
  AFFECT RURAL DADE COUNTY WEST OF THE TURNPIKE. THE STORM WILL CROSS
  U.S. 41 ABOUT 2 MILES WEST OF THE TURNPIKE BY 705 PM EST.

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, 3:51 PM ESTTornado WarningMFLPalm Beach59 min
Nov 4, 4:39 PM ESTTornado WarningMFLMonroe46 min
Nov 4, 5:24 PM ESTTornado WarningMFLMonroe46 min
Nov 4, 6:08 PM ESTTornado WarningMFLMonroe32 min
Nov 4, 6:41 PM ESTTornado WarningMFLMonroe34 min

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.