Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 2, NWS Melbourne, FL

January 22, 2017Lake County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 22, 2017, 6:41 PM EST for Lake County, Florida. It was in force for 34 min. 2 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, 6:41 PM EST (23:41 UTC)
Expired: Jan 22, 2017, 7:15 PM EST
In force: 34 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Lake County, FL

The radar

The Tampa radar (KTBW), 131 km from the middle of the area, began a volume at 23:40 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, 6:48 PM EST	HAIL 1	Leesburg, FL	PICTURE VIA TWITTER OF ESTIMATED QUARTER SIZE HAIL IN LEESBURG. TIME ESTIMATED.
Jan 22, 6:52 PM EST	HAIL 1	Tavares, FL	DIME TO QUARTER SIZE HAIL REPORTED IN TAVARES. RETWEETED POST FROM BROADCAST MEDIA. TIME ESTIMATED.

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

Tampa Bay, FL (KTBW), launched 12:00Z, 11.7 hours before the alert went out and 131 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: 906 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 606 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 258 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.7

Open this sounding in Storm Lab

The text

As transmitted.

443 
WFUS52 KMLB 222341
TORMLB
FLC069-230015-
/O.NEW.KMLB.TO.W.0002.170122T2341Z-170123T0015Z/

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

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  West central Lake County in east central Florida...

* Until 715 PM EST
    
* At 641 PM EST, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Bushnell, 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. 

* This dangerous storm will be near...
  Leesburg, Lake Griffin and Lake Harris around 650 PM EST. 
  Lisbon, Mid Florida Lakes and Leesburg Airport around 700 PM EST. 

Other locations impacted by this tornadic thunderstorm include
Yalaha.

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.

Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.

&&

LAT...LON 2882 8195 2896 8166 2866 8166 2861 8195
TIME...MOT...LOC 2341Z 232DEG 49KT 2872 8200 

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

$$

dws

1 follow-up statement

676 
WWUS52 KMLB 222354
SVSMLB

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

FLC069-230015-
/O.CON.KMLB.TO.W.0002.000000T0000Z-170123T0015Z/
Lake FL-
654 PM EST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EST FOR WEST
CENTRAL LAKE COUNTY...
    
At 653 PM EST, a severe thunderstorm capable of producing a tornado
was located near Lake Harris and Okahumpka, moving east 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. 

This dangerous storm will be near...
  Mount Dora around 710 PM EST. 

Other locations impacted by this tornadic thunderstorm include
Yalaha.

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.

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

&&

LAT...LON 2882 8195 2896 8166 2866 8166 2861 8195
TIME...MOT...LOC 2353Z 249DEG 47KT 2875 8182 

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

$$

dws

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 3:51 AM EST	Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	20 hr
Jan 22, 4:10 AM EST	Gale Warning	MLB		43 hr
Jan 22, 4:10 AM EST	Small Craft Advisory	MLB		66 hr
Jan 22, 3:51 PM EST	Special Weather Statement	MLB	Lake	54 min
Jan 22, 5:54 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange	66 min
Jan 22, 6:03 PM EST	Tornado Warning	MLB	Lake, Orange	42 min
Jan 22, 6:39 PM EST	Severe Thunderstorm Warning	MLB	Lake, Orange, Seminole, Volusia	66 min
Jan 22, 6:44 PM EST	Tornado Warning	MLB	Lake, Volusia	46 min
Jan 22, 6:48 PM EST	Special Weather Statement	MLB	Orange, Seminole	42 min
Jan 22, 6:55 PM EST	Tornado Warning	MLB	Volusia	20 min

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.