Alert archive / Florida / Tornado Warnings in 2019

Tornado Warning 4, NWS Melbourne, FL

April 2, 2019Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Apr 2, 2019, 2:41 PM EDT for Martin County, Florida. It was in force for 34 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: Apr 2, 2019, 2:41 PM EDT (18:41 UTC)
Expired: Apr 2, 2019, 3:15 PM EDT
In force: 34 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Martin County, FL

The radar

The Melbourne radar (KMLB), 123 km from the middle of the area, began a volume at 18:44 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 12:00Z, 6.7 hours before the alert went out and 134 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1247 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

287 
WFUS52 KMLB 021841
TORMLB
FLC085-021915-
/O.NEW.KMLB.TO.W.0004.190402T1841Z-190402T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
241 PM EDT TUE APR 2 2019

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  Southwestern Martin County in east central Florida...

* Until 315 PM EDT.
    
* At 240 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near J And S Fish Camp, moving east at 25 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Indiantown around 300 PM EDT.

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 2699 8062 2709 8066 2711 8027 2696 8028
      2696 8040
TIME...MOT...LOC 1840Z 274DEG 22KT 2704 8062 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

15

3 follow-up statements

688 
WWUS52 KMLB 021850
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
250 PM EDT TUE APR 2 2019

FLC085-021915-
/O.CON.KMLB.TO.W.0004.000000T0000Z-190402T1915Z/
Martin FL-
250 PM EDT TUE APR 2 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR
SOUTHWESTERN MARTIN COUNTY...
    
At 248 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Indiantown, moving east at 25 mph.

HAZARD...Tornado and quarter size hail.

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...
  Indiantown around 300 PM EDT.

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 2699 8062 2704 8061 2707 8056 2707 8027
      2696 8028 2696 8040
TIME...MOT...LOC 1848Z 274DEG 22KT 2704 8056 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

15

371 
WWUS52 KMLB 021902
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
302 PM EDT TUE APR 2 2019

FLC085-021915-
/O.CON.KMLB.TO.W.0004.000000T0000Z-190402T1915Z/
Martin FL-
302 PM EDT TUE APR 2 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR SOUTH
CENTRAL MARTIN COUNTY...
    
At 301 PM EDT, a severe thunderstorm capable of producing a tornado
was located 4 miles south of Indiantown, moving east 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...
Indiantown.

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 2698 8052 2702 8051 2701 8028 2696 8028
      2696 8040
TIME...MOT...LOC 1901Z 288DEG 21KT 2698 8048 

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

$$

15

108 
WWUS52 KMLB 021908
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
308 PM EDT TUE APR 2 2019

FLC085-021917-
/O.EXP.KMLB.TO.W.0004.000000T0000Z-190402T1915Z/
Martin FL-
308 PM EDT TUE APR 2 2019

...THE TORNADO WARNING FOR SOUTH CENTRAL MARTIN COUNTY WILL EXPIRE AT
315 PM EDT...
                
The storm which prompted the warning has weakened and no longer 
appears capable of producing a tornado. Therefore, the tornado 
warning will be allowed to expire.  However gusty winds, lightning 
and heavy rain are still possible with this thunderstorm.

LAT...LON 2698 8052 2702 8051 2701 8028 2696 8028
      2696 8040
TIME...MOT...LOC 1907Z 274DEG 22KT 2698 8045 

$$

15

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 2:37 PM EDT	Special Weather Statement	MLB	Martin	53 min
Apr 2, 2:39 PM EDT	Severe Thunderstorm Warning	MLB	Martin	33 min
Apr 2, 2:47 PM EDT	Special Marine Warning	MLB		88 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.