Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 8, NWS Miami, FL

March 14, 2017Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Mar 14, 2017, 12:37 AM EDT for Palm Beach County, Florida. It was in force for 12 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
Mar 14, 2017, 12:37 AM EDT (04:37 UTC)
Expired
Mar 14, 2017, 12:49 AM EDT
In force
12 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 105 km from the middle of the area, began a volume at 04:36 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 00:00Z, 4.6 hours before the alert went out and 79 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 2017-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 322 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 2017-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.1939587897117Sfc1 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
322 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

620 
WFUS52 KMFL 140437
TORMFL
FLC099-140500-
/O.NEW.KMFL.TO.W.0008.170314T0437Z-170314T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
1237 AM EDT TUE MAR 14 2017

The National Weather Service in Miami has issued a

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

* Until 100 AM EDT
    
* At 1237 AM EDT, a severe thunderstorm capable of producing a
  tornado was located over Dunes Road, or near Boynton Beach, moving
  northeast at 30 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...
  Boynton Beach and Ocean Ridge around 1245 AM EDT. 
  Lantana around 1250 AM EDT. 

Other locations impacted by this tornadic thunderstorm include
Morikami Park, Hypoluxo, Manalapan, Villages Of Oriole, Briny
Breezes, Gulf Stream and South Palm Beach.

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.

&&

LAT...LON 2642 8016 2649 8019 2665 7996 2651 7979
TIME...MOT...LOC 0437Z 236DEG 27KT 2649 8010 

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

$$

MOLLEDA
1 follow-up statement
556 
WWUS52 KMFL 140449
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
1249 AM EDT TUE MAR 14 2017

FLC099-140458-
/O.CAN.KMFL.TO.W.0008.000000T0000Z-170314T0500Z/
Palm Beach FL-
1249 AM EDT TUE MAR 14 2017

...THE TORNADO WARNING FOR EAST CENTRAL PALM BEACH COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved offshore. Therefore, 
the tornado warning has been cancelled.

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

LAT...LON 2642 8016 2649 8019 2665 7996 2651 7979
TIME...MOT...LOC 0447Z 236DEG 27KT 2652 8005 

$$

MOLLEDA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 10:39 PM EDTSpecial Weather StatementMFLGlades51 min
Mar 13, 11:38 PM EDTSpecial Marine WarningMFL52 min
Mar 14, 12:20 AM EDTSpecial Weather StatementMFLMonroe40 min
Mar 14, 12:28 AM EDTSpecial Weather StatementMFLPalm Beach47 min
Mar 14, 12:33 AM EDTTornado WarningMFLPalm Beach16 min
Mar 14, 12:39 AM EDTSpecial Marine WarningMFL36 min
Mar 14, 1:01 AM EDTSpecial Weather StatementMFLBroward, Miami-Dade44 min
Mar 14, 1:13 AM EDTSpecial Marine WarningMFL62 min
Mar 14, 1:17 AM EDTSpecial Weather StatementMFLPalm Beach13 min
Mar 14, 1:27 AM EDTTornado WarningMFLBroward33 min
Mar 14, 1:34 AM EDTSpecial Marine WarningMFL56 min
Mar 14, 1:43 AM EDTSpecial Weather StatementMFLMiami-Dade32 min
Mar 14, 1:49 AM EDTSpecial Marine WarningMFL56 min
Mar 14, 2:11 AM EDTSpecial Marine WarningMFL64 min
Mar 14, 2:29 AM EDTSpecial Marine WarningMFL61 min
Mar 14, 9:45 AM EDTRip Current StatementMFLCollier34 hr

Nearby

Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017

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.