Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 3, NWS Miami, FL

April 27, 2018Broward County, Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Apr 27, 2018, 2:39 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 19 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 27, 2018, 2:39 PM EDT (18:39 UTC)
Expired
Apr 27, 2018, 2:58 PM EDT
In force
19 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 95 km from the middle of the area, began a volume at 18:43 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.

What was reported inside it

TimeReportWhereRemark
Apr 27, 3:00 PM EDTHAIL 0.752 Nw North Lauderdale, FLA TRAINED STORM SPOTTER CALLED TO REPORT DIME SIZE HAIL ASSOCIATED WITH A THUNDERSTORM NEAR ATLANTIC BLVD AND UNIVERSITY DRIVE IN NORTHERN BROWARD COUNTY. TIME ESTIMATED

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 6.7 hours before the alert went out and 71 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 2018-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 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 2018-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
59 J/kg
Mixed-layer CIN
-203 J/kg
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

073 
WFUS52 KMFL 271839
TORMFL
FLC011-099-271915-
/O.NEW.KMFL.TO.W.0003.180427T1839Z-180427T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
239 PM EDT FRI APR 27 2018

The National Weather Service in Miami has issued a

* Tornado Warning for...
  Northern Broward County in southeastern Florida...
  Southeastern Palm Beach County in southeastern Florida...

* Until 315 PM EDT.
    
* At 239 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Parkland, or over Coral Springs, moving east at 10
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  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 dangerous storm will be near...
  Parkland and Loxahatchee NWR around 245 PM EDT.
  Godfrey Road around 250 PM EDT.
  Margate around 255 PM EDT.
  Coconut Creek and Mission Bay around 305 PM EDT.
  Hamptons At Boca Raton and Whisper Walk around 310 PM EDT.
  Pompano Beach, Deerfield Beach, Boca Pointe and Boca Del Mar 
  around 315 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Lakeside Green, Hillsboro Ranches, Aberdeen, Hillsboro Pines, North
Pompano Beach, Boca West, Plantation Mobile Home Park, Ramblewood
East, Aberdeen Golf Course and South County Regional Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 2622 8015 2622 8035 2680 8041 2680 8010
TIME...MOT...LOC 1839Z 253DEG 9KT 2629 8025 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

67
3 follow-up statements
242 
WFUS52 KMFL 271842 CCA
TORMFL
FLC011-099-271915-
/O.COR.KMFL.TO.W.0003.180427T1839Z-180427T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
242 PM EDT FRI APR 27 2018

The National Weather Service in Miami has issued a

* Tornado Warning for...
  Northern Broward County in southeastern Florida...
  Southeastern Palm Beach County in southeastern Florida...

* Until 315 PM EDT.
    
* At 241 PM EDT, a tornado producing storm was located over Parkland,
  or over Coral Springs, moving east at 10 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar 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 tornadic storm will be near...
  Parkland and Loxahatchee NWR around 245 PM EDT.
  Godfrey Road around 250 PM EDT.
  Margate around 255 PM EDT.
  Coconut Creek and Mission Bay around 305 PM EDT.
  Hamptons At Boca Raton and Whisper Walk around 310 PM EDT.
  Pompano Beach, Deerfield Beach, Boca Pointe and Boca Del Mar 
  around 315 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Lakeside Green, Hillsboro Ranches, Aberdeen, Hillsboro Pines, North
Pompano Beach, Boca West, Plantation Mobile Home Park, Ramblewood
East, Aberdeen Golf Course and South County Regional Park.

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 2622 8015 2622 8035 2680 8041 2680 8010
TIME...MOT...LOC 1841Z 253DEG 9KT 2629 8025 

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

$$

67
620 
WWUS52 KMFL 271845
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
245 PM EDT FRI APR 27 2018

FLC011-099-271915-
/O.CON.KMFL.TO.W.0003.000000T0000Z-180427T1915Z/
Broward FL-Palm Beach FL-
245 PM EDT FRI APR 27 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR NORTHERN
BROWARD AND SOUTHEASTERN PALM BEACH COUNTIES...
    
At 245 PM EDT, a reported tornado was located over Godfrey Road, or 
over Coral Springs, moving east at 10 mph.

HAZARD...Damaging tornado.

SOURCE...Weather spotters reported 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...
  Godfrey Road and Loxahatchee NWR around 250 PM EDT.
  Coconut Creek and Mission Bay around 305 PM EDT.
  Hamptons At Boca Raton and Whisper Walk around 310 PM EDT.
  Pompano Beach, Deerfield Beach, Boca Pointe and Boca Del Mar 
  around 315 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Morikami Park, Hillsboro Ranches, Hillsboro Pines, North Pompano
Beach, Boca West, Ramblewood East, Villages Of Oriole, South County
Regional Park, Sandalfoot Cove and Boca Raton Equestrian.

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 and 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.

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 2622 8028 2638 8033 2649 8013 2622 8015
TIME...MOT...LOC 1845Z 253DEG 9KT 2629 8024 

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

$$

67
058 
WWUS52 KMFL 271858
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
258 PM EDT FRI APR 27 2018

FLC011-099-271907-
/O.CAN.KMFL.TO.W.0003.000000T0000Z-180427T1915Z/
Broward FL-Palm Beach FL-
258 PM EDT FRI APR 27 2018

...THE TORNADO WARNING FOR NORTHERN BROWARD AND SOUTHEASTERN PALM
BEACH COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

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

LAT...LON 2622 8028 2638 8033 2649 8013 2622 8015
TIME...MOT...LOC 1856Z 253DEG 9KT 2630 8021 

$$

67

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 12:27 AM EDTSpecial Marine WarningMFL48 min
Apr 27, 2:55 PM EDTSpecial Marine WarningMFL65 min
Apr 27, 2:55 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach35 min
Apr 27, 3:44 PM EDTSpecial Marine WarningMFL31 min
Apr 27, 3:48 PM EDTSpecial Weather StatementMFLMartin42 min
Apr 27, 3:53 PM EDTSpecial Weather StatementMFLPalm Beach37 min
Apr 27, 4:08 PM EDTSevere Thunderstorm WarningMFLPalm Beach15 min
Apr 27, 4:18 PM EDTSpecial Marine WarningMFL57 min
Apr 27, 4:21 PM EDTSpecial Weather StatementMFLPalm Beach39 min
Apr 27, 4:30 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach109 min
Apr 27, 4:32 PM EDTSpecial Marine WarningMFL43 min
Apr 27, 5:27 PM EDTSpecial Marine WarningMFL33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.