Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 6, NWS Miami, FL

May 14, 2018Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at May 14, 2018, 5:35 AM EDT for Palm Beach County, Florida. It was in force for 25 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
May 14, 2018, 5:35 AM EDT (09:35 UTC)
Expired
May 14, 2018, 6:00 AM EDT
In force
25 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 137 km from the middle of the area, began a volume at 09:36 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.

What was reported inside it

TimeReportWhereRemark
May 14, 5:35 AM EDTTSTM WND DMG3 Wnw The Acreage, FLTRAINED SPOTTER REPORTS SNAPPED TREES, UPROOTED OAK TREES, AND DAMAGE TO AWNINGS IN THE KEY LIME BLVD AND SEMINOLE PRATT WHITNEY RD AREA. RADAR INDICATED TIME AROUND 535 AM EDT.

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 00:00Z, 9.6 hours before the alert went out and 114 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 2018-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 97 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2018-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
97 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

346 
WFUS52 KMFL 140935
TORMFL
FLC099-141000-
/O.NEW.KMFL.TO.W.0006.180514T0935Z-180514T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
535 AM EDT MON MAY 14 2018

The National Weather Service in Miami has issued a

* Tornado Warning for...
  North central Palm Beach County in southeastern Florida...

* Until 600 AM EDT.
    
* At 534 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over The Acreage, or 8 miles north of Wellington,
  moving north at 20 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.

* Locations impacted include...
  Palm Beach Gardens, The Acreage, Loxahatchee Groves and Caloosa. 

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

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 2673 8030 2695 8048 2696 8046 2696 8025
      2674 8024
TIME...MOT...LOC 0934Z 159DEG 15KT 2679 8029 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

13
1 follow-up statement
615 
WWUS52 KMFL 140943
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
543 AM EDT MON MAY 14 2018

FLC099-141000-
/O.CON.KMFL.TO.W.0006.000000T0000Z-180514T1000Z/
Palm Beach FL-
543 AM EDT MON MAY 14 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR NORTH
CENTRAL PALM BEACH COUNTY...

At 542 AM EDT, Doppler radar indicated strong rotation capable of 
producing a tornado located near The Acreage, or 11 miles north of 
Wellington, moving northwest at 15 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.

Locations impacted include...
The Acreage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

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 2678 8033 2695 8048 2696 8046 2696 8028
      2679 8027
TIME...MOT...LOC 0942Z 150DEG 13KT 2682 8031 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 8:25 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
May 13, 8:53 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade112 min
May 13, 10:30 PM EDTSpecial Marine WarningMFL30 min
May 14, 2:00 AM EDTSpecial Marine WarningMFL45 min
May 14, 2:55 AM EDTRip Current StatementMFLBroward, Miami-Dade, Palm Beach17 hr
May 14, 3:16 AM EDTSmall Craft Advisory for WindsMFL7 hr
May 14, 5:10 AM EDTTornado WarningMFLPalm Beach15 min
May 14, 5:27 AM EDTSpecial Weather StatementMFLPalm Beach63 min
May 14, 5:34 AM EDTTornado WarningMFLPalm Beach15 min
May 14, 5:58 AM EDTTornado WarningMFLPalm Beach32 min
May 14, 6:27 AM EDTSpecial Weather StatementMFLMartin48 min
May 14, 6:34 AM EDTSpecial Weather StatementMFLMiami-Dade41 min
May 14, 6:44 AM EDTSpecial Weather StatementMFLHendry46 min
May 14, 7:06 AM EDTSpecial Marine WarningMFL24 min
May 14, 7:07 AM EDTAreal Flood AdvisoryMFLPalm Beach113 min
May 14, 7:29 AM EDTSpecial Marine WarningMFL46 min
May 14, 7:33 AM EDTSpecial Marine WarningMFL42 min
May 14, 7:34 AM EDTSpecial Weather StatementMFLPalm Beach41 min
May 14, 8:11 AM EDTSpecial Marine WarningMFL64 min
May 14, 12:09 PM EDTSpecial Weather StatementMFLMiami-Dade51 min
May 14, 1:00 PM EDTSpecial Marine WarningMFL30 min
May 14, 1:00 PM EDTSpecial Weather StatementMFLPalm Beach60 min
May 14, 1:01 PM EDTSpecial Marine WarningMFL89 min
May 14, 2:28 PM EDTSpecial Marine WarningMFL62 min
May 14, 5:11 PM EDTSpecial Weather StatementMFLBroward49 min
May 14, 5:46 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade23 min
May 14, 6:02 PM EDTSpecial Weather StatementMFLBroward43 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.