Alert archive / Florida / Tornado Warnings in 1991

Tornado Warning 2, NWS Miami, FL

January 15, 1991Broward County, Florida

NWS Miami, FL issued this tornado warning at Jan 15, 1991, 4:03 PM EST for Broward County, Florida. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jan 15, 1991, 4:03 PM EST (21:03 UTC)
Expired
Jan 15, 1991, 4:45 PM EST
In force
42 min
Issued by
NWS Miami, FL
Area
Whole counties

County Broward County, FL

The nearest sounding before it

Key West, FL (KEYW), launched 12:00Z, 9.1 hours before the alert went out and 218 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, Key West, FL at 12:00Z on 1991-01-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 828 joules per kilogram.LCLLFCEL10008507005003002001001 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, Key West, FL at 12:00Z on 1991-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.19395878Sfc1 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
828 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
630 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.6
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 152104
TORMIA
FLC011-152145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
403 PM EST TUE JAN 15 1991
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  445 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST FLORIDA
 
   ...EASTERN BROWARD COUNTY
 
AND THE ADJACENT COASTAL WATERS ALONG THE SOUTHEAST FLORIDA COAST
AND THE ADJACENT COASTAL WATERS
 
AT 358 PM THE PUBLIC REPORTED A TORNADO NEAR NORTH PERRY AIRPORT IN
BROWARD COUNTY. THIS STORM IS IN EASTERN PEMBROKE PINES AND WILL BE
MOVING NORTH INTO DAVIE...WESTERN FT LAUDERDALE...OAKLAND PARK AND
POMPANO BEACH WITHIN THE NEXT HALF HOUR.
 
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 COVER YOUR BODY. AVOID WINDOWS. A MOBILE HOME IS NOT A
SAFE REFUGE FROM A TORNADO. MOVE TO A MORE SUBSTANTIAL BUILDING.
 
IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN ASK A LAW
ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORT TO THE LOCAL
NATIONAL WEATHER SERVICE OFFICE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 15, 3:18 PM ESTTornado WarningMFLMiami-Dade27 min

Nearby

Tornado Warnings in Florida, 1991Every tornado warning in 1991Tornadoes in 1991

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.