Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 2, NWS Melbourne, FL

February 7, 2020Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Feb 7, 2020, 12:53 AM EST for Osceola County, Florida. It was in force for 17 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
Feb 7, 2020, 12:53 AM EST (05:53 UTC)
Expired
Feb 7, 2020, 1:10 AM EST
In force
17 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 39 km from the middle of the area, began a volume at 05:55 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
Feb 6, 9:25 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 5.9 hours before the alert went out and 61 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, Cape Canaveral, FL at 00:00Z on 2020-02-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 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, Cape Canaveral, FL at 00:00Z on 2020-02-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 square meters per square second.1939587897Sfc1 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
106 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
1234 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

949 
WFUS52 KMLB 070553
TORMLB
FLC097-070645-
/O.NEW.KMLB.TO.W.0002.200207T0553Z-200207T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
1253 AM EST Fri Feb 7 2020

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  Northeastern Osceola County in east central Florida...

* Until 145 AM EST.
    
* At 1252 AM EST, a severe thunderstorm capable of producing a 
  tornado was located 7 miles southwest of Harmony, moving east at 
  50 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...
  Holopaw and Harmony. 

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 2831 8093 2816 8086 2808 8122 2814 8125
TIME...MOT...LOC 0552Z 248DEG 46KT 2813 8118 

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

$$

15
2 follow-up statements
682 
WWUS52 KMLB 070600
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
100 AM EST Fri Feb 7 2020

FLC097-070645-
/O.CON.KMLB.TO.W.0002.000000T0000Z-200207T0645Z/
Osceola FL-
100 AM EST Fri Feb 7 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM EST FOR
NORTHEASTERN OSCEOLA COUNTY...
    
At 1259 AM EST, a severe thunderstorm capable of producing a tornado 
was located 5 miles northwest of Holopaw, moving east northeast at 
50 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Osceola County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do 
not wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2831 8093 2816 8086 2813 8112 2817 8114
TIME...MOT...LOC 0559Z 245DEG 42KT 2817 8109 

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

$$

15
138 
WWUS52 KMLB 070610
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
110 AM EST Fri Feb 7 2020

FLC097-070618-
/O.CAN.KMLB.TO.W.0002.000000T0000Z-200207T0645Z/
Osceola FL-
110 AM EST Fri Feb 7 2020

...THE TORNADO WARNING FOR NORTHEASTERN OSCEOLA COUNTY IS
CANCELLED...
                
The storm which prompted the tornado warning has weakened some, and 
no longer appears capable of producing a tornado. Therefore, the 
tornado warning has been cancelled.  However very strong gusty winds 
and heavy rain are still expected with this thunderstorm.

A Severe Thunderstorm Warning remains in effect for northeast 
Osceola county through 2 AM.

A Tornado Watch remains in effect until 300 AM EST for east central 
Florida.

&&

LAT...LON 2831 8093 2816 8086 2813 8112 2817 8114
TIME...MOT...LOC 0607Z 248DEG 46KT 2821 8097 

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 9:52 PM ESTSpecial Weather StatementMLBLake, Orange, Osceola, Seminole, Volusia38 min
Feb 6, 10:39 PM ESTSevere Thunderstorm WarningMLBLake, Volusia51 min
Feb 6, 10:53 PM ESTSpecial Weather StatementMLBBrevard, Orange, Seminole, Volusia52 min
Feb 6, 11:18 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Seminole, Volusia57 min
Feb 6, 11:45 PM ESTSpecial Marine WarningMLB90 min
Feb 6, 11:50 PM ESTSevere Thunderstorm WarningMLBOsceola25 min
Feb 7, 12:07 AM ESTSevere Thunderstorm WarningMLBBrevard, Orange, Osceola, Seminole, Volusia53 min
Feb 7, 12:15 AM ESTSpecial Weather StatementMLBBrevard, Indian River, Okeechobee, Osceola30 min
Feb 7, 12:50 AM ESTSpecial Marine WarningMLB85 min
Feb 7, 12:54 AM ESTSevere Thunderstorm WarningMLBBrevard, Orange, Osceola, Volusia66 min
Feb 7, 1:33 AM ESTSpecial Weather StatementMLBIndian River57 min
Feb 7, 1:45 AM ESTSevere Thunderstorm WarningMLBBrevard45 min
Feb 7, 2:04 AM ESTSpecial Marine WarningMLB116 min
Feb 7, 3:57 AM ESTSpecial Marine WarningMLB93 min
Feb 7, 8:40 AM ESTLake Wind AdvisoryMLBLake, Orange, Osceola, Seminole, Volusia6 hr

Nearby

Tornado Warnings in Florida, 2020Every tornado warning in 2020Tornadoes in 2020

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.