Alert archive / Florida / Tornado Warnings in 2022

Tornado Warning 18, NWS Melbourne, FL

September 27, 2022Martin County, Florida

NWS Melbourne, FL issued this tornado warning at Sep 27, 2022, 10:24 PM EDT for Martin County, Florida. It was in force for 36 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 27, 2022, 10:24 PM EDT (02:24 UTC)
Expired
Sep 27, 2022, 11:00 PM EDT
In force
36 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Martin County, FL

The radar

The Melbourne radar (KMLB), 133 km from the middle of the area, began a volume at 02:27 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 27, 4:45 PM EDTTornado WatchSPC12 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 2.4 hours before the alert went out and 130 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 2022-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1796 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 2022-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 230 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
1796 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
230 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
2.3
Supercell composite
17.4

Open this sounding in Storm Lab

The text

As transmitted.

589 
WFUS52 KMLB 280224
TORMLB
FLC085-280300-
/O.NEW.KMLB.TO.W.0018.220928T0224Z-220928T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
1024 PM EDT Tue Sep 27 2022

The National Weather Service in Melbourne has issued a

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

* Until 1100 PM EDT.
    
* At 1024 PM EDT, a severe thunderstorm capable of producing a
  tornado was located over Jupiter, moving northwest 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...
  Jonathan Dickinson State Park around 1030 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 8007 2697 8008 2697 8014 2696 8014
      2695 8015 2696 8035 2698 8039 2714 8034
TIME...MOT...LOC 0224Z 117DEG 27KT 2694 8010 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Kelly
1 follow-up statement
345 
WWUS52 KMLB 280257
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
1057 PM EDT Tue Sep 27 2022

FLC085-280306-
/O.EXP.KMLB.TO.W.0018.000000T0000Z-220928T0300Z/
Martin FL-
1057 PM EDT Tue Sep 27 2022

...THE TORNADO WARNING FOR SOUTHEASTERN MARTIN COUNTY WILL EXPIRE AT
1100 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However heavy rain
will continue with these thunderstorms.

A Tornado Watch remains in effect until 500 AM EDT for east central
Florida.

LAT...LON 2699 8007 2697 8008 2697 8014 2696 8014
      2695 8015 2696 8035 2698 8039 2714 8034
TIME...MOT...LOC 0256Z 117DEG 27KT 2704 8032 

$$

Kelly

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 11:18 PM EDTTornado WarningMLBMartin, Saint Lucie27 min
Sep 28, 7:34 AM EDTAreal Flood WarningMLBMartin, Saint Lucie116 min
Sep 28, 8:07 AM EDTTornado WarningMLBIndian River, Osceola23 min
Sep 28, 8:16 AM EDTTornado WarningMLBIndian River29 min
Sep 28, 8:48 AM EDTAreal Flood WarningMLBBrevard, Indian River117 min
Sep 28, 12:50 PM EDTAreal Flood WarningMLBBrevard, Orange, Osceola, Volusia3 hr
Sep 28, 12:53 PM EDTTornado WarningMLBOkeechobee22 min
Sep 28, 2:00 PM EDTTornado WarningMLBBrevard, Indian River30 min
Sep 28, 2:32 PM EDTTornado WarningMLBBrevard, Osceola28 min
Sep 28, 2:53 PM EDTTornado WarningMLBOsceola20 min
Sep 28, 4:22 PM EDTAreal Flood WarningMLBBrevard, Lake, Orange, Osceola, Seminole, Volusia4 hr
Sep 28, 7:59 PM EDTAreal Flood WarningMLBBrevard, Lake, Orange, Osceola, Seminole, Volusia4 hr

Nearby

Tornado Warnings in Florida, 2022Every tornado warning in 2022Tornadoes in 2022

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.