Alert archive / Florida / Tornado Warnings in 1997

Tornado Warning 24, NWS Miami, FL

July 6, 1997Broward County, Florida

NWS Miami, FL issued this tornado warning at Jul 6, 1997, 6:15 PM EDT for Broward County, Florida. It was in force for 45 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
Jul 6, 1997, 6:15 PM EDT (22:15 UTC)
Expired
Jul 6, 1997, 7:00 PM EDT
In force
45 min
Issued by
NWS Miami, FL
Area
Whole counties

County Broward County, FL

The radar

The Miami radar (KAMX), 60 km from the middle of the area, began a volume at 21:57 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, 10.3 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 12:00Z on 1997-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3465 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 12:00Z on 1997-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.1939Sfc1 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
3465 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 062215 RRA
TORMIA
FLC011-062300-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
615 PM EDT SUN JUL 6 1997
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST FLORIDA
 
   ...BROWARD COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A
POSSIBLE DEVELOPING TORNADO WHICH MAY AFFECT
AREAS OF BROWARD COUNTY...MAINLY FROM THE SUNRISE-PLANTATION
AREA EASTWARD NEAR LAUDERHILL...AND ADJACENT PORTIONS
OF CENTRAL METROPOLITAN BROWARD.
 
A SEVERE THUNDERSTORM WARNING ALSO REMAINS IN EFFECT FOR
ALL OF BROWARD COUNTY AND FOR DADE COUNTY THROUGH 7 PM.
 
 
IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN REPORT THE
SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 4:25 PM EDTSevere Thunderstorm WarningMFLPalm Beach65 min
Jul 6, 5:30 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade60 min
Jul 6, 5:55 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade65 min

Nearby

Tornado Warnings in Florida, 1997Every tornado warning in 1997Tornadoes in 1997

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.