Alert archive / Florida / Tornado Warnings in 2006

Tornado Warning 9, NWS Miami, FL

August 21, 2006Broward County, Florida

NWS Miami, FL issued this tornado warning at Aug 21, 2006, 8:15 PM EDT for Broward County, Florida. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 21, 2006, 8:15 PM EDT (00:15 UTC)
Expired
Aug 21, 2006, 8:45 PM EDT
In force
30 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Broward County, FL

The radar

The Miami radar (KAMX), 79 km from the middle of the area, began a volume at 00:18 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, 0.3 hours before the alert went out and 53 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 2006-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1144 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 2006-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
1144 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
-43 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 
WFUS52 KMFL 220016
TORMFL
FLC011-220045-
/O.NEW.KMFL.TO.W.0009.060822T0015Z-060822T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
815 PM EDT MON AUG 21 2006

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTHEASTERN BROWARD COUNTY IN SOUTH FLORIDA.

* UNTIL 845 PM EDT

* AT 814 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES
  TO INDICATE SHOWERS OR THUNDERSTORMS STILL CAPABLE OF PRODUCING
  WATERSPOUTS FROM BOCA RATON TO DERRFIELD BEACH THAT MAY COME ASHORE
  AS A TORNADO. MOVEMENT WILL BE NORTHWEST AT 10 MPH.

LAT...LON 2617 7997 2629 7997 2632 8013 2625 8016

$$

GR
2 follow-up statements
000
WWUS52 KMFL 220034
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
830 PM EDT MON AUG 21 2006

FLC011-220045-
/O.CON.KMFL.TO.W.0009.000000T0000Z-060822T0045Z/
BROWARD FL-
830 PM EDT MON AUG 21 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR EXTREME
NORTHEASTERN BROWARD COUNTY...

AT 827 PM EDT...A TRAINED WEATHER SPOTTER REPORTED THAT A WATERSPOUT THAT 
WAS EAST OF THE DEERFIELD BEACH PIER, REACHED LAND JUST NORTH OF THE PIER.
THIS ACTIVITY HAS WEAKENED SINCE 825 PM BUT ADDITIONAL WATERSPOUTS MAY 
FORM THAT COULD REACH LAND, THEREFORE THE WARNING CONTINUES. MOVEMENT
WILL BE TO THE NORTHWEST AT 5 TO 10 MPH.

LAT...LON 2617 7997 2629 7997 2632 8013 2625 8016

$$
GR
000
WWUS52 KMFL 220045
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
842 PM EDT MON AUG 21 2006

FLC011-220052-
/O.EXP.KMFL.TO.W.0009.000000T0000Z-060822T0045Z/
BROWARD FL-
842 PM EDT MON AUG 21 2006

...THE TORNADO WARNING FOR EXTREME NORTHEASTERN BROWARD COUNTY
WILL BE ALLOWED TO EXPIRE AT 845 PM...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SHOWERS AND 
THUNDERSTORMS THAT PRODUCED THE WATERSPOUTS OFFSHORE AND THAT CAME
ON LAND NEAR DEERFIELD BEACH HAD WEAKENED CONSIDERABLY. THEREFORE
THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 2617 7997 2629 7997 2632 8013 2625 8016

$$

GR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 8:02 PM EDTTornado WarningMFLBroward13 min
Aug 21, 8:09 PM EDTSpecial Marine WarningMFL36 min
Aug 22, 3:49 AM EDTMarine Weather StatementMFL8 hr

Nearby

Tornado Warnings in Florida, 2006Every tornado warning in 2006Tornadoes in 2006

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.