Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 12, NWS Miami, FL

February 15, 1998Collier County, Florida

NWS Miami, FL issued this tornado warning at Feb 15, 1998, 8:02 PM EST for Collier 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
Feb 15, 1998, 8:02 PM EST (01:02 UTC)
Expired
Feb 15, 1998, 9:00 PM EST
In force
58 min
Issued by
NWS Miami, FL
Area
Whole counties

County Collier County, FL

The radar

The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 01:06 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 watch it was issued in

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

IssuedProductOfficeLasted
Feb 15, 6:15 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 1.0 hours before the alert went out and 113 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 1998-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 449 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 00:00Z on 1998-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 square meters per square second.1939587897Sfc1 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
449 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
512 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.1

Open this sounding in Storm Lab

The text

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

581 
WFUS1 KMIA 160104 RRA
TORMIA
FLC021-160200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
802 PM EST SUN FEB 15 1998

THE NATIONAL WEATHER SERVICE IN MIAMI FL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 900 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWESTERN FLORIDA

   ...SOUTHERN COLLIER COUNTY

AT 802 PM EST... DOPPLER RADAR INDICATED A POSSIBLE TORNADO NEAR
MARCO ISLAND MOVING EAST AT 40 MPH. LOCATIONS IN THE PATH OF THIS
STORM ARE GOODLAND....EVERGLADES CITY...OCHOPEE... AND COPELAND.

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
Feb 15, 7:04 PM ESTTornado WarningMFLCollier61 min
Feb 15, 8:27 PM ESTSevere Thunderstorm WarningMFLGlades, Hendry63 min
Feb 15, 9:19 PM ESTSevere Thunderstorm WarningMFLBroward, Palm Beach61 min
Feb 15, 11:07 PM ESTSevere Thunderstorm WarningMFLPalm Beach38 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; radar from the NEXRAD Level II archive.