Alert archive / Florida / Tornado Warnings in 2019

Tornado Warning 7, NWS Melbourne, FL

October 19, 2019Saint Lucie County, Florida

NWS Melbourne, FL issued this tornado warning at Oct 19, 2019, 4:33 PM EDT for Saint Lucie County, Florida. It was in force for 27 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: Oct 19, 2019, 4:33 PM EDT (20:33 UTC)
Expired: Oct 19, 2019, 5:00 PM EDT
In force: 27 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 20:36 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.6 hours before the alert went out and 121 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 806 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 681 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 11.5

Open this sounding in Storm Lab

The text

As transmitted.

491 
WFUS52 KMLB 192033
TORMLB
FLC111-192100-
/O.NEW.KMLB.TO.W.0007.191019T2033Z-191019T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
433 PM EDT Sat Oct 19 2019

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  Central St. Lucie County in east central Florida...

* Until 500 PM EDT.
    
* At 433 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Saint Lucie West, or near Port Saint Lucie, moving
  northeast at 25 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...
  Fort Pierce, White City, Fort Pierce Inlet, Queens Cove and Fort
  Pierce North.

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 2728 8043 2733 8050 2755 8031 2748 8025
      2739 8021
TIME...MOT...LOC 2033Z 220DEG 21KT 2733 8042 

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

$$

Combs

2 follow-up statements

719 
WWUS52 KMLB 192043
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
443 PM EDT Sat Oct 19 2019

FLC111-192100-
/O.CON.KMLB.TO.W.0007.000000T0000Z-191019T2100Z/
St. Lucie FL-
443 PM EDT Sat Oct 19 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHEASTERN ST. LUCIE COUNTY...
    
At 442 PM EDT, a severe thunderstorm capable of producing a tornado
was located over White City, moving northeast at 25 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...
Fort Pierce, White City, Fort Pierce Inlet, Queens Cove and Fort
Pierce North.

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 2731 8038 2736 8044 2755 8031 2748 8025
      2739 8021
TIME...MOT...LOC 2042Z 220DEG 21KT 2737 8038 

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

$$

Combs

682 
WWUS52 KMLB 192053
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
453 PM EDT Sat Oct 19 2019

FLC111-192100-
/O.CON.KMLB.TO.W.0007.000000T0000Z-191019T2100Z/
St. Lucie FL-
453 PM EDT Sat Oct 19 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
NORTHEASTERN ST. LUCIE COUNTY...
    
At 453 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Fort Pierce, moving northeast at 25 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...
Fort Pierce, Fort Pierce Inlet, White City, Queens Cove and Fort
Pierce South.

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 2738 8034 2742 8038 2754 8031 2748 8025
      2741 8022 2739 8021
TIME...MOT...LOC 2053Z 222DEG 22KT 2742 8032 

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

$$

Combs

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 18, 10:33 PM EDT	Special Marine Warning	MLB		57 min
Oct 18, 11:23 PM EDT	Special Marine Warning	MLB		97 min
Oct 18, 11:35 PM EDT	Special Weather Statement	MLB	Lake, Orange	40 min
Oct 19, 12:15 AM EDT	Special Weather Statement	MLB	Lake, Orange, Seminole	45 min
Oct 19, 12:58 AM EDT	Special Weather Statement	MLB	Lake, Orange, Volusia	62 min
Oct 19, 1:31 AM EDT	Special Marine Warning	MLB		119 min
Oct 19, 2:00 AM EDT	Special Weather Statement	MLB	Lake, Orange, Seminole, Volusia	60 min
Oct 19, 2:08 AM EDT	Areal Flood Advisory	MLB	Lake, Seminole, Volusia	97 min
Oct 19, 3:00 AM EDT	Special Weather Statement	MLB	Volusia	60 min
Oct 19, 3:24 AM EDT	Special Marine Warning	MLB		2 hr
Oct 19, 3:33 AM EDT	Areal Flood Advisory	MLB	Volusia	87 min
Oct 19, 4:00 AM EDT	Special Weather Statement	MLB	Volusia	45 min
Oct 19, 5:29 AM EDT	Special Marine Warning	MLB		2 hr
Oct 19, 6:30 AM EDT	Special Weather Statement	MLB	Osceola	45 min
Oct 19, 8:52 AM EDT	Areal Flood Advisory	MLB	Orange, Osceola	113 min
Oct 19, 10:41 AM EDT	Special Weather Statement	MLB	Osceola	34 min
Oct 19, 11:49 AM EDT	Special Marine Warning	MLB		86 min
Oct 19, 12:16 PM EDT	Special Weather Statement	MLB	Okeechobee	29 min
Oct 19, 12:42 PM EDT	Special Weather Statement	MLB	Brevard	48 min
Oct 19, 1:05 PM EDT	Special Marine Warning	MLB		85 min
Oct 19, 1:17 PM EDT	Special Weather Statement	MLB	Okeechobee	28 min
Oct 19, 1:42 PM EDT	Special Weather Statement	MLB	Brevard	18 min
Oct 19, 1:54 PM EDT	Special Weather Statement	MLB	Okeechobee	36 min
Oct 19, 2:35 PM EDT	Severe Thunderstorm Warning	MLB	Indian River, Saint Lucie	21 min
Oct 19, 3:33 PM EDT	Special Weather Statement	MLB	Martin	27 min
Oct 19, 4:16 PM EDT	Special Weather Statement	MLB	Saint Lucie	29 min
Oct 19, 4:29 PM EDT	Special Weather Statement	MLB	Martin	61 min
Oct 19, 4:43 PM EDT	Special Marine Warning	MLB		62 min
Oct 19, 5:01 PM EDT	Special Weather Statement	MLB	Saint Lucie	44 min
Oct 19, 5:31 PM EDT	Special Weather Statement	MLB	Martin	44 min
Oct 19, 5:45 PM EDT	Special Marine Warning	MLB		60 min
Oct 19, 5:50 PM EDT	Severe Thunderstorm Warning	MLB	Martin	22 min

Nearby

Tornado Warnings in Florida, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.