Alert archive / Florida / Tornado Warnings in 1997

Tornado Warning 1, NWS Miami, FL

January 25, 1997Monroe County, Florida

NWS Miami, FL issued this tornado warning at Jan 25, 1997, 3:17 AM EST for Monroe County, Florida. It was in force for 58 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: Jan 25, 1997, 3:17 AM EST (08:17 UTC)
Expired: Jan 25, 1997, 4:15 AM EST
In force: 58 min
Issued by: NWS Miami, FL
Area: Whole counties

County Monroe County, FL

The radar

The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 08:17 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 00:00Z, 8.3 hours before the alert went out and 69 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: 1303 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 755 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 250821 RRA
TORMIA
FLC087-250915-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
317 AM EST SAT JAN 25 1997
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO AND SPECIAL MARINE WARNING EFFECTIVE UNTIL  415 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTH FLORIDA
 
   ...LOWER FLORIDA KEYS OF MONROE COUNTY
 
AND THE ADJACENT COASTAL WATERS WEST OF A LINE FROM MARATHON TO CAPE
ROMANO.
 
DOPPLER RADAR INDICATES WATERSPOUTS ARE DEVELOPING NEAR THE MARQUESAS
KEYS AND TO THE SOUTHWEST OF KEY WEST. MOVEMENT HAS BEEN TOWARDS THE
NORTHEAST DURING THE PAST HOUR BUT A MORE EASTERLY MOVEMENT IS EXPECTED
DURING THE NEXT HOUR.
 
AT 315 AM THE STRONGEST WATERSPOUT WAS INDICATED ON RADAR ABOUT 40 MILES
TO THE SOUTHWEST OF KEY WEST. WINDS IN EXCESS OF 50 KNOTS WERE OBSERVED.
 
FREQUNET LIGHTNING IS ALSO BEING DETECTED. MARINERS ARE URGED TO AVOID
THIS AREA AND SEEK OR REMAIN IN PORT THROUGH SUNRISE.
 
THESE WATERSPOUTS ARE PART OF A LARGE AREA OF STRONG THUNDERSTORMS THAT
WILL MOVE EAST ACROSS THE AREA DURING THE MORNING HOURS.
 
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.
 
WATCH FOR SIGNS OF DEVELOPING SEVERE STORMS.  HAILSTONES AND
UNUSUALLY LOW SWIRLING CLOUDS ARE OFTEN SEEN NEAR DEVELOPING
TORNADOES.  STRONG DAMAGING WINDS AND TORNADOES OFTEN PRODUCE
A LOUD ROARING SOUND LIKE A TRAIN.  FREQUENT LIGHTNING OCCURS
NEAR THE MOST SEVERE PART OF THE THUNDERSTORM.
 
AT NIGHT OR DURING HEAVY RAIN...THE ONLY CLUE TO A TORNADO'S
PRESENCE MAY BE ITS ROAR. IF A UNUSUALLY LOUD ROAR IS HEARD...
TAKE COVER IMMEDIATELY.
 
 
 
&

Nearby

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