Alert archive / Florida / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 44, NWS Miami, FL

August 27, 2002Broward County, Miami-Dade County, Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 27, 2002, 1:27 PM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 48 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
Aug 27, 2002, 1:27 PM EDT (17:27 UTC)
Expired
Aug 27, 2002, 2:15 PM EDT
In force
48 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

Counties Broward County, FL, Miami-Dade County, FL, Palm Beach County, FL

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 5.5 hours before the alert went out and 39 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 2002-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1627 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 2002-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
1627 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 27, 9:30 AM EDT, 3 hours 57 minutes earlier.

Area forecast discussion, Aug 27, 9:30 AM EDT, 3 hours 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI
930 AM EDT TUE AUG 27 2002

NOT MUCH CHANGE EXPECTED IN TODAYS WEATHER COMPARED TO YESTERDAY
EXCEPT SOUNDINGS SLIGHTLY MORE MOIST AND UNSTABLE. CAPE ROSE TO 3950
WHICH IS ABOUT 1000 HIGHER THAN YESTERDAY AND LIFTED INDICES DROPPED
FROM -6.76 TO AT MINUS 8 AT MIAMI. THESE CONDITIONS SHOULD OVERRIDE
THE LACK OF DRIER AIR ALOFT WITH A DEW POINT DEPRESSION OF ONLY 16
COMPARED WITH 27 YESTERDY. FORCING MECHANISM ARE MORE FULLY APPARENT
TODAY THAN YESTERDAY AS UPPER LOW OVER OHIO VALLEY DROPS SOUTHWARD
INTO THE GULF STATES. SEVERAL REPORTS OF WIND GUSTS TO 40 KNOTS
YESTERDAY AND SEVERAL REPORTS OF FUNNEL CLOUDS OVER BROWARD AND PALM
BEACH COUNTY. EXPECT SOMEWHAT OF A REPEAT IN STRONG THUNDERSTORMS
DURING THE AFTERNOON TODAY. NO UPDATES PLANNED IN EITHER PUBLIC OR
MARINE PRODUCTS THIS MORNING.

.MIA...NONE.

Nearby

Severe Thunderstorm Warnings in Florida, 2002Every severe thunderstorm warning in 2002

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.