Alert archive / Florida / Tornado Warnings in 2010

Tornado Warning 3, NWS Miami, FL

February 5, 2010Broward County, Florida

NWS Miami, FL issued this tornado warning at Feb 5, 2010, 8:46 PM EST for Broward County, Florida. It was in force for 29 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
Feb 5, 2010, 8:46 PM EST (01:46 UTC)
Expired
Feb 5, 2010, 9:15 PM EST
In force
29 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Broward County, FL

The radar

The Miami radar (KAMX), 54 km from the middle of the area, began a volume at 01:48 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, 1.8 hours before the alert went out and 28 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 2010-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 727 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 2010-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 338 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
727 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
338 m²/s²
0-3 km storm-relative helicity
361 m²/s²
Significant tornado parameter
1.7
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

873 
WFUS52 KMFL 060146
TORMFL
FLC011-060215-
/O.NEW.KMFL.TO.W.0003.100206T0146Z-100206T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
846 PM EST FRI FEB 5 2010

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BROWARD COUNTY IN SOUTHEAST FLORIDA...
  THIS INCLUDES THE CITIES OF...HOLLYWOOD...HALLANDALE...FORT
  LAUDERDALE...

* UNTIL 915 PM EST

* AT 845 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTH PERRY
  AIRPORT...MOVING NORTHEAST AT 30 MPH.

  THIS STORM IS ALSO CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
  60 MPH.

* THE STORM CAPABLE OF PRODUCING A TORNADO WILL BE NEAR...
  HALLANDALE...
  HOLLYWOOD...
  DANIA BEACH...
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SOUTH FLORIDA TORNADOES MAY AT TIMES BE SMALL AND NARROW BUT THEY ARE
STILL DANGEROUS. THEY CAN EASILY FLIP A VEHICLE OR TRAILER OR CAUSE
LARGE TREES TO FALL. TAKE COVER INSIDE A STURDY BUILDING IMMEDIATELY.

&&

LAT...LON 2598 8011 2598 8014 2598 8026 2601 8030
      2616 8010 2615 8010 2606 8010
TIME...MOT...LOC 0146Z 235DEG 28KT 2599 8021

$$

PS
1 follow-up statement
160 
WWUS52 KMFL 060208
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
908 PM EST FRI FEB 5 2010

FLC011-060216-
/O.EXP.KMFL.TO.W.0003.000000T0000Z-100206T0215Z/
BROWARD FL-
908 PM EST FRI FEB 5 2010

...THE TORNADO WARNING FOR SOUTHEASTERN BROWARD COUNTY WILL EXPIRE AT
915 PM EST...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE STORM CAPABLE OF 
PRODUCING A TORNADO HAS DISSIPATED AND MOVED OFFSHORE. THUS THE 
TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 915 PM EST.

LAT...LON 2598 8011 2598 8014 2598 8026 2601 8030
      2616 8010 2615 8010 2606 8010
TIME...MOT...LOC 0206Z 235DEG 28KT 2607 8006

$$

PS

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 7:33 PM ESTSpecial Weather StatementMFLMiami-Dade57 min
Feb 5, 7:45 PM ESTSpecial Marine WarningMFL60 min
Feb 5, 7:59 PM ESTSpecial Weather StatementMFLBroward61 min
Feb 5, 8:19 PM ESTTornado WarningMFLBroward, Miami-Dade20 min
Feb 5, 8:38 PM ESTSpecial Weather StatementMFLBroward37 min
Feb 5, 8:47 PM ESTSpecial Marine WarningMFL55 min
Feb 5, 8:52 PM ESTSpecial Weather StatementMFLPalm Beach23 min

Nearby

Tornado Warnings in Florida, 2010Every tornado warning in 2010Tornadoes in 2010

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.