Alert archive / Florida / Tornado Warnings in 1997

Tornado Warning 22, NWS Miami, FL

June 22, 1997Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Jun 22, 1997, 9:46 AM EDT for Miami-Dade County, Florida. It was in force for 59 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
Jun 22, 1997, 9:46 AM EDT (13:46 UTC)
Expired
Jun 22, 1997, 10:45 AM EDT
In force
59 min
Issued by
NWS Miami, FL
Area
Whole counties

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 9 km from the middle of the area, began a volume at 13:50 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, 1.8 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 1997-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3017 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 1997-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
3017 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 221347 RRA
TORMIA
FLC025-221445-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
946 AM EDT SUN JUN 22 1997
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1045 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST FLORIDA
 
   ...DADE COUNTY
 
AT 0945 AM...MIAMI DOPPLER RADAR INDICATED A POSSIBLE TORNADO OVER
EXTREME SOUTHERN DADE COUNTY OVER CARD SOUND ROAD. THIS STORM WAS MOVING
TO THE WEST AT 15 MPH AND WILL MOVE OVER US1 SOUTH OF FLORIDA CITY
AROUND 1000 AM.
 
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 VECHICLE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:18 PM EDTSevere Thunderstorm WarningMFLCollier27 min
Jun 22, 1:17 PM EDTSevere Thunderstorm WarningMFLGlades, Hendry58 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.