Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 33, NWS Miami, FL

September 10, 2017Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Sep 10, 2017, 6:21 AM EDT for Palm Beach County, Florida. It was in force for 28 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
Sep 10, 2017, 6:21 AM EDT (10:21 UTC)
Expired
Sep 10, 2017, 6:49 AM EDT
In force
28 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), 121 km from the middle of the area, began a volume at 10:24 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 9, 11:45 PM EDTTornado WatchSPC12 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 10.4 hours before the alert went out and 96 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 2017-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2017-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

806 
WFUS52 KMFL 101021
TORMFL
FLC099-101100-
/O.NEW.KMFL.TO.W.0033.170910T1021Z-170910T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
621 AM EDT SUN SEP 10 2017

The National Weather Service in Miami has issued a

* Tornado Warning for...
  Northeastern Palm Beach County in southeastern Florida...

* Until 700 AM EDT
    
* At 620 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles east of Ocean Ridge, moving northwest at 55
  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...
  Delray Beach around 630 AM EDT. 
  Boynton Beach, Palm Beach, Ocean Ridge, Lantana, Village Of Golf 
  and Dunes Road around 635 AM EDT. 
  Lake Worth, Greenacres, Palm Springs, Atlantis, Cloud Lake, Gun 
  Club Estates, Royal Palm Estates, Palm Beach International Airport 
  and Downtown West Palm Beach around 640 AM EDT. 
  Wellington, Haverhill, Golden Lakes, Lake Belvedere Estates and 
  Schall Circle around 645 AM EDT. 
  Royal Palm Beach and Loxahatchee Groves around 650 AM EDT. 
  Lion Country Safari Park and The Acreage around 655 AM EDT. 

Other locations impacted by this tornadic thunderstorm include
Lakeside Green, Hypoluxo, Aberdeen, Glen Ridge, Plantation Mobile
Home Park, Lake Worth Corridor, Aberdeen Golf Course, Lake Clarke
Shores, Gulf Stream and Stacey Street.

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 2669 8002 2667 8003 2646 8005 2660 8040
      2694 8035
TIME...MOT...LOC 1020Z 127DEG 48KT 2647 7988 

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

$$

BAXTER
2 follow-up statements
440 
WWUS52 KMFL 101045
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
645 AM EDT SUN SEP 10 2017

FLC099-101100-
/O.CON.KMFL.TO.W.0033.000000T0000Z-170910T1100Z/
Palm Beach FL-
645 AM EDT SUN SEP 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM EDT FOR
NORTHEASTERN PALM BEACH COUNTY...
    
At 645 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Wellington, moving northwest at 60 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...
  Loxahatchee Groves and The Acreage around 650 AM EDT. 

Other locations impacted by this tornadic thunderstorm include
Florida Gardens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or 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 2668 8014 2663 8015 2660 8017 2664 8037
      2684 8033
TIME...MOT...LOC 1045Z 122DEG 53KT 2667 8021 

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

$$

BAXTER
662 
WWUS52 KMFL 101049
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
649 AM EDT SUN SEP 10 2017

FLC099-101058-
/O.CAN.KMFL.TO.W.0033.000000T0000Z-170910T1100Z/
Palm Beach FL-
649 AM EDT SUN SEP 10 2017

...THE TORNADO WARNING FOR NORTHEASTERN PALM BEACH COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A tornado watch remains in effect until noon EDT for southeastern
Florida.

LAT...LON 2668 8014 2663 8015 2660 8017 2664 8037
      2684 8033
TIME...MOT...LOC 1048Z 127DEG 48KT 2670 8026 

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 8:14 PM EDTSpecial Marine WarningMFL46 min
Sep 10, 2:23 AM EDTSpecial Marine WarningMFL37 min
Sep 10, 2:45 AM EDTSpecial Marine WarningMFL30 min
Sep 10, 3:05 AM EDTSpecial Marine WarningMFL25 min
Sep 10, 3:29 AM EDTSpecial Marine WarningMFL46 min
Sep 10, 3:46 AM EDTTornado WarningMFLBroward, Palm Beach29 min
Sep 10, 4:19 AM EDTSpecial Marine WarningMFL26 min
Sep 10, 4:44 AM EDTAreal Flood WarningMFLBroward, Collier, Hendry, Miami-Dade, Monroe12 hr
Sep 10, 4:54 AM EDTSpecial Marine WarningMFL36 min
Sep 10, 6:14 AM EDTSpecial Marine WarningMFL16 min
Sep 10, 6:55 AM EDTSpecial Marine WarningMFL35 min
Sep 10, 7:16 AM EDTSpecial Marine WarningMFL29 min
Sep 10, 7:28 AM EDTSpecial Marine WarningMFL17 min
Sep 10, 7:35 AM EDTTornado WarningMFLPalm Beach14 min
Sep 10, 7:36 AM EDTTornado WarningMFLBroward, Miami-Dade24 min
Sep 10, 7:52 AM EDTSpecial Marine WarningMFL38 min
Sep 10, 8:08 AM EDTSpecial Marine WarningMFL37 min
Sep 10, 8:29 AM EDTAreal Flood WarningMFLBroward, Collier, Glades, Hendry, Palm Beach12 hr
Sep 10, 8:37 AM EDTAreal Flood WarningMFLBroward, Collier, Hendry, Palm Beach12 hr
Sep 10, 9:17 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe88 min
Sep 10, 9:42 AM EDTTornado WarningMFLPalm Beach18 min
Sep 10, 9:44 AM EDTSpecial Marine WarningMFL31 min
Sep 10, 10:13 AM EDTSpecial Marine WarningMFL32 min
Sep 10, 10:45 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe45 min
Sep 10, 10:57 AM EDTRiver Flood WarningMFLGlades13 days
Sep 10, 11:48 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe87 min
Sep 10, 12:25 PM EDTExtreme Wind WarningMFLCollier3 hr
Sep 10, 1:13 PM EDTSpecial Weather StatementMFLMiami-Dade, Monroe92 min
Sep 10, 1:23 PM EDTSpecial Marine WarningMFL37 min
Sep 10, 1:30 PM EDTSpecial Weather StatementMFLMiami-Dade90 min
Sep 10, 1:48 PM EDTSpecial Marine WarningMFL27 min
Sep 10, 1:49 PM EDTTornado WarningMFLBroward, Miami-Dade, Palm Beach26 min
Sep 10, 1:55 PM EDTSpecial Weather StatementMFLMiami-Dade65 min
Sep 10, 2:13 PM EDTSpecial Marine WarningMFL32 min
Sep 10, 2:24 PM EDTTornado WarningMFLBroward, Palm Beach21 min
Sep 10, 2:40 PM EDTTornado WarningMFLPalm Beach20 min
Sep 10, 3:10 PM EDTSpecial Marine WarningMFL95 min
Sep 10, 3:12 PM EDTFlash Flood Warning EmergencyMFLCollier3 hr
Sep 10, 3:15 PM EDTTornado WarningMFLMiami-Dade15 min
Sep 10, 3:27 PM EDTExtreme Wind WarningMFLCollier, Hendry2 hr
Sep 10, 3:29 PM EDTSpecial Marine WarningMFL31 min
Sep 10, 3:48 PM EDTTornado WarningMFLPalm Beach27 min
Sep 10, 3:53 PM EDTTornado WarningMFLBroward, Palm Beach37 min
Sep 10, 4:23 PM EDTSpecial Marine WarningMFL37 min
Sep 10, 5:14 PM EDTSpecial Marine WarningMFL16 min
Sep 10, 5:23 PM EDTSpecial Marine WarningMFL97 min
Sep 10, 6:00 PM EDTAreal Flood WarningMFLCollier3 hr
Sep 10, 7:00 PM EDTSpecial Marine WarningMFL30 min
Sep 10, 7:37 PM EDTSpecial Marine WarningMFL23 min

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.