Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 1, NWS Miami, FL

April 10, 2018Broward County, Florida

NWS Miami, FL issued this tornado warning at Apr 10, 2018, 3:36 PM EDT for Broward County, Florida. It was in force for 24 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
Apr 10, 2018, 3:36 PM EDT (19:36 UTC)
Expired
Apr 10, 2018, 4:00 PM EDT
In force
24 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Broward County, FL

The radar

The Miami radar (KAMX), 70 km from the middle of the area, began a volume at 19:36 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 12:00Z, 7.6 hours before the alert went out and 44 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 2018-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 461 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 2018-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
461 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1249 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

471 
WFUS52 KMFL 101936
TORMFL
FLC011-102000-
/O.NEW.KMFL.TO.W.0001.180410T1936Z-180410T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
336 PM EDT TUE APR 10 2018

The National Weather Service in Miami has issued a

* Tornado Warning for...
  East central Broward County in southeastern Florida...

* Until 400 PM EDT.

* At 336 PM EDT, a confirmed tornado was located over Downtown Fort
  Lauderdale, or over Fort Lauderdale, moving east at 10 mph.

  HAZARD...Damaging tornado.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* The tornado will be near...
  Fort Lauderdale around 340 PM EDT.
  Wilton Manors, Lazy Lake, Port Everglades and Twin Lakes around 
  345 PM EDT.
  Oakland Park around 350 PM EDT.
  Lauderdale-By-The-Sea and Sea Ranch Lakes around 400 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Intersection I-595 And I-95, Fort Lauderdale Beach, Broward Estates,
Boulevard Gardens, West Ken-Lark, North Andrews Gardens, Roosevelt
Gardens and Terra Mar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to an
interior room on the lowest floor of a sturdy building. Avoid
windows. If you are outdoors, in a mobile home, or in a vehicle, move
to the closest substantial shelter and protect yourself from flying
debris.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Miami. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2626 8003 2610 8003 2607 8017 2616 8021
TIME...MOT...LOC 1936Z 250DEG 9KT 2613 8015 

TORNADO...OBSERVED
HAIL...<.75IN

$$

ALM
2 follow-up statements
991 
WWUS52 KMFL 101944
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
344 PM EDT TUE APR 10 2018

FLC011-102000-
/O.CON.KMFL.TO.W.0001.000000T0000Z-180410T2000Z/
Broward FL-
344 PM EDT TUE APR 10 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR EAST
CENTRAL BROWARD COUNTY...
    
At 344 PM EDT, a confirmed tornado was located over Downtown Fort
Lauderdale, or near Fort Lauderdale, and is nearly stationary.

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  Fort Lauderdale around 350 PM EDT.
  Hollywood and Port Everglades around 400 PM EDT.

Other locations impacted by this tornadic thunderstorm include Fort
Lauderdale Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2610 8004 2609 8007 2609 8016 2613 8016
      2618 8004
TIME...MOT...LOC 1944Z 287DEG 2KT 2611 8015 

TORNADO...OBSERVED
HAIL...<.75IN

$$

ALM
003 
WWUS52 KMFL 101954
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
354 PM EDT TUE APR 10 2018

FLC011-102004-
/O.EXP.KMFL.TO.W.0001.000000T0000Z-180410T2000Z/
Broward FL-
354 PM EDT TUE APR 10 2018

...THE TORNADO WARNING FOR EAST CENTRAL BROWARD COUNTY WILL EXPIRE AT
400 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Miami.

LAT...LON 2610 8004 2609 8007 2609 8016 2613 8016
      2618 8004
TIME...MOT...LOC 1954Z 250DEG 9KT 2612 8012 

$$

ALM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 3:56 AM EDTSmall Craft AdvisoryMFL60 hr
Apr 10, 1:40 PM EDTSpecial Weather StatementMFLGlades50 min
Apr 10, 2:06 PM EDTSpecial Marine WarningMFL54 min
Apr 10, 2:20 PM EDTSpecial Marine WarningMFL85 min
Apr 10, 2:24 PM EDTSpecial Weather StatementMFLGlades66 min
Apr 10, 2:25 PM EDTSpecial Weather StatementMFLBroward50 min
Apr 10, 2:53 PM EDTSpecial Weather StatementMFLBroward52 min
Apr 10, 2:56 PM EDTSpecial Marine WarningMFL49 min
Apr 10, 3:02 PM EDTSpecial Marine WarningMFL88 min
Apr 10, 3:04 PM EDTSpecial Weather StatementMFLPalm Beach56 min
Apr 10, 3:23 PM EDTSpecial Weather StatementMFLBroward, Palm Beach67 min
Apr 10, 3:43 PM EDTSevere Thunderstorm WarningMFLPalm Beach32 min
Apr 10, 3:46 PM EDTSpecial Marine WarningMFL44 min
Apr 10, 3:51 PM EDTSpecial Marine WarningMFL39 min
Apr 10, 3:58 PM EDTSpecial Weather StatementMFLPalm Beach32 min
Apr 10, 4:17 PM EDTSpecial Weather StatementMFLBroward58 min
Apr 10, 4:25 PM EDTSpecial Marine WarningMFL2 hr
Apr 10, 4:30 PM EDTTornado Warning Tornado observedMFLBroward11 min
Apr 10, 4:36 PM EDTSevere Thunderstorm WarningMFLBroward24 min
Apr 10, 5:05 PM EDTSpecial Weather StatementMFLMiami-Dade55 min
Apr 10, 5:37 PM EDTSpecial Marine WarningMFL23 min
Apr 10, 6:14 PM EDTSpecial Marine WarningMFL61 min

Nearby

Tornado Warnings in Florida, 2018Every tornado warning in 2018Tornadoes in 2018

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.