Alert archive / Florida / Tornado Warnings in 1994

Tornado Warning 21, NWS Melbourne, FL

November 16, 1994Palm Beach County, Florida

NWS Melbourne, FL issued this tornado warning at Nov 16, 1994, 9:16 AM EST for Palm Beach County, Florida. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Nov 16, 1994, 9:16 AM EST (14:16 UTC)
Expired
Nov 16, 1994, 9:45 AM EST
In force
29 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 115 km from the middle of the area, began a volume at 14:20 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.3 hours before the alert went out and 203 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, Cape Canaveral, FL at 12:00Z on 1994-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 562 joules per kilogram.LCLEL10008507005003002001001 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, Cape Canaveral, FL at 12:00Z on 1994-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
562 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
149 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 KPBI 161416
TORPBI
FLC099-161445-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
916 AM EST WED NOV 16 1994
 
THE NATIONAL WEATHER SERVICE IN WEST PALM BEACH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 AM EST
FOR THE FOLLOWING LOCATIONS......
 
IN SOUTH FLORIDA
 
   ...SOUTHEASTERN PALM BEACH COUNTY
 
AND THE ADJACENT COASTAL WATERS ALONG THE SOUTHEAST COAST
 
AT 905 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS MOVING THROUGH EASTERN PALM BEACH COUNTY. A POSSIBLE
TORNADO WAS DETECTED ON RADAR JUST NORTH OF DELRAY BEACH. RESIDENTS
LIVING BETWEEN DELRAY BEACH AND BOYNTON BEACH SHOULD TAKE COVER
IMMEDIATELY. BOATERS ON THE PALM BEACH COUNTY COASTAL WATERS FROM
BOYNTON BEACH TO LAKE WORTH SHOULD BE PREPARED FOR THIS STORM DURING
THE NEXT 30 MINUTES.
 
THE THUNDERSTORMS WERE MOVING EASTNORTHEAST AT 25 MILES AN HOUR.
 
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
 
 
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 15, 7:06 PM ESTTornado WarningMLBBrevard54 min
Nov 15, 8:32 PM ESTTornado WarningMLBBrevard58 min
Nov 15, 9:35 PM ESTTornado WarningMLBBrevard55 min
Nov 15, 9:47 PM ESTTornado WarningMLBPalm Beach58 min
Nov 15, 10:47 PM ESTTornado WarningMLBPalm Beach58 min
Nov 16, 3:34 AM ESTTornado WarningMLBSeminole48 min
Nov 16, 3:34 AM ESTTornado WarningMLBVolusia56 min

Nearby

Tornado Warnings in Florida, 1994Every tornado warning in 1994Tornadoes in 1994

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.