Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 5, NWS Melbourne, FL

January 22, 2017Orange County, Seminole County, Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 22, 2017, 7:19 PM EST for Orange County, Seminole County, Volusia County, Florida. It was in force for 41 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 22, 2017, 7:19 PM EST (00:19 UTC)
Expired: Jan 22, 2017, 8:00 PM EST
In force: 41 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Orange County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 84 km from the middle of the area, began a volume at 00:18 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.

What was reported inside it

Time	Report	Where	Remark
Jan 22, 7:24 PM EST	TSTM WND GST 54	Orlando Executive Airpo, FL	MEASURED WIND GUST OF 54 MPH/47 KT FROM THE SSW.
Jan 22, 7:47 PM EST	TSTM WND GST 62	New Smyrna Beach, FL	MEASURED WIND GUST OF 62 MPH/54 KT FROM THE SSW AT KEVB.
Jan 22, 7:47 PM EST	TSTM WND GST 63	New Smyrna Beach, FL	MEASURED WIND GUST OF 63 MPH/54 KT FROM THE SSW AT KEVB.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 22, 4:35 PM EST	Tornado Watch PDS	SPC	5 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 0.3 hours before the alert went out and 64 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: 838 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1078 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 235 m²/s²
0-3 km storm-relative helicity: 265 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

As transmitted.

657 
WFUS52 KMLB 230019
TORMLB
FLC095-117-127-230100-
/O.NEW.KMLB.TO.W.0005.170123T0019Z-170123T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
719 PM EST SUN JAN 22 2017

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  Northwestern Orange County in east central Florida...
  Seminole County in east central Florida...
  Southeastern Volusia County in east central Florida...

* Until 800 PM EST
    
* At 718 PM EST, severe thunderstorms capable of producing a tornado
  was located over Winter Park and near Sanford, moving northeast at
  55 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. 

* These dangerous storms will be near... Goldenrod, Azalea Park and
  Fern Park around 720 PM EST. Oviedo, Winter Springs and Lake
  Jessup around 730 PM EST. Maytown around 750 PM EST. Oak Hill and
  Apollo Beach around 800 PM EST. 

Other locations impacted by this tornadic thunderstorm include Spruce
Creek.

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 2877 8072 2875 8076 2879 8079 2879 8084
      2877 8080 2876 8081 2875 8077 2873 8084
      2879 8085 2879 8097 2868 8097 2851 8141
      2877 8158 2879 8155 2878 8142 2883 8142
      2887 8137 2891 8136 2917 8095
TIME...MOT...LOC 0018Z 239DEG 47KT 2859 8136 

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

$$

dws

2 follow-up statements

464 
WWUS52 KMLB 230039
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
739 PM EST SUN JAN 22 2017

FLC095-230048-
/O.CAN.KMLB.TO.W.0005.000000T0000Z-170123T0100Z/
Orange FL-
739 PM EST SUN JAN 22 2017

...THE TORNADO WARNING FOR NORTHWESTERN ORANGE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM EST for east central
Florida.

LAT...LON 2879 8073 2878 8074 2877 8072 2875 8076
      2879 8079 2879 8084 2877 8080 2876 8081
      2875 8077 2873 8084 2879 8085 2879 8097
      2874 8097 2867 8112 2891 8123 2900 8121
      2917 8095
TIME...MOT...LOC 0038Z 233DEG 54KT 2877 8108 

$$

FLC117-127-230100-
/O.CON.KMLB.TO.W.0005.000000T0000Z-170123T0100Z/
Seminole FL-Volusia FL-
739 PM EST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EST FOR
NORTHEASTERN SEMINOLE AND SOUTHEASTERN VOLUSIA COUNTIES...
    
At 738 PM EST, a strong and dangerous tornado was located near
Geneva and Lake Harney, moving northeast at 60 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

The tornado will be near...
  Maytown around 750 PM EST. 
  Oak Hill, Apollo Beach and Bethune Beach around 800 PM EST. 

Other locations impacted by this tornadic thunderstorm include Spruce
Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

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

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2879 8073 2878 8074 2877 8072 2875 8076
      2879 8079 2879 8084 2877 8080 2876 8081
      2875 8077 2873 8084 2879 8085 2879 8097
      2874 8097 2867 8112 2891 8123 2900 8121
      2917 8095
TIME...MOT...LOC 0038Z 233DEG 54KT 2877 8108 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

Cristaldi

432 
WWUS52 KMLB 230104
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
804 PM EST SUN JAN 22 2017

FLC117-127-230113-
/O.EXP.KMLB.TO.W.0005.000000T0000Z-170123T0100Z/
Seminole FL-Volusia FL-
804 PM EST SUN JAN 22 2017

...THE TORNADO WARNING FOR NORTHEASTERN SEMINOLE AND SOUTHEASTERN
VOLUSIA COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved offshore
into the Atlantic. Therefore the warning has been allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for
Volusia County for storms farther west, moving rapidly east toward
the coast.

A tornado watch remains in effect until 1000 PM EST for east central
Florida.

LAT...LON 2879 8073 2878 8074 2877 8072 2875 8076
      2879 8079 2879 8084 2877 8080 2876 8081
      2875 8077 2873 8084 2879 8085 2879 8097
      2874 8097 2867 8112 2891 8123 2900 8121
      2917 8095
TIME...MOT...LOC 0103Z 239DEG 47KT 2894 8075 

$$

Cristaldi

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 7:00 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Osceola, Seminole	60 min
Jan 22, 7:12 PM EST	Special Marine Warning	MLB		63 min
Jan 22, 7:26 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Volusia	64 min
Jan 22, 7:29 PM EST	Tornado Warning	MLB	Volusia	31 min
Jan 22, 7:51 PM EST	Tornado Warning	MLB	Brevard, Orange, Seminole, Volusia	39 min
Jan 22, 7:53 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole, Volusia	37 min
Jan 22, 8:15 PM EST	Special Marine Warning	MLB		2 hr
Jan 22, 8:29 PM EST	Severe Thunderstorm Warning	MLB	Brevard, Orange, Seminole, Volusia	61 min
Jan 22, 8:36 PM EST	Special Weather Statement	MLB	Orange	54 min
Jan 22, 8:59 PM EST	Special Weather Statement	MLB	Brevard, Osceola	46 min
Jan 22, 9:10 PM EST	Severe Thunderstorm Warning	MLB	Brevard, Osceola	50 min
Jan 22, 9:28 PM EST	Tornado Warning	MLB	Brevard	32 min
Jan 22, 9:58 PM EST	Severe Thunderstorm Warning	MLB	Brevard, Osceola	47 min
Jan 22, 9:59 PM EST	Special Weather Statement	MLB	Brevard, Indian River, Osceola	91 min
Jan 22, 10:07 PM EST	Tornado Warning	MLB	Brevard	23 min
Jan 22, 10:14 PM EST	Special Marine Warning	MLB		3 hr
Jan 23, 12:21 AM EST	Special Weather Statement	MLB	Indian River, Saint Lucie	24 min
Jan 23, 12:40 AM EST	Special Weather Statement	MLB	Martin	35 min
Jan 23, 1:14 AM EST	Special Marine Warning	MLB		2 hr
Jan 23, 3:15 AM EST	Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	15 hr

Nearby

Tornado Warnings in Florida, 2017 Every tornado warning in 2017 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.