Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 8, NWS Melbourne, FL

January 22, 2017Brevard County, Florida

NWS Melbourne, FL issued this tornado warning at Jan 22, 2017, 9:28 PM EST for Brevard County, Florida. It was in force for 32 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
Jan 22, 2017, 9:28 PM EST (02:28 UTC)
Expired
Jan 22, 2017, 10:00 PM EST
In force
32 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 30 km from the middle of the area, began a volume at 02:31 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
Jan 22, 4:35 PM ESTTornado Watch PDSSPC5 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 2.5 hours before the alert went out and 22 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 2017-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 838 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 2017-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 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
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.

210 
WFUS52 KMLB 230228
TORMLB
FLC009-230300-
/O.NEW.KMLB.TO.W.0008.170123T0228Z-170123T0300Z/

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

The National Weather Service in Melbourne has issued a

* Tornado Warning for...
  Central Brevard County in Florida...

* Until 1000 PM EST
    
* At 927 PM EST, a severe thunderstorm capable of producing a tornado
  was located over Rockledge, 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...
  Cape Canaveral, Port Canaveral and Merritt Island around 940 PM 
  EST. 

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 2839 8056 2834 8057 2826 8080 2833 8086
      2835 8086 2836 8087 2837 8087 2858 8054
      2846 8049
TIME...MOT...LOC 0227Z 239DEG 49KT 2833 8076 

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

$$

dws
1 follow-up statement
186 
WWUS52 KMLB 230241
SVSMLB

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

FLC009-230300-
/O.CON.KMLB.TO.W.0008.000000T0000Z-170123T0300Z/
Brevard FL-
941 PM EST SUN JAN 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EST FOR CENTRAL
BREVARD COUNTY...
    
At 940 PM EST, a severe thunderstorm capable of producing a tornado
was located near the town of Cape Canaveral, 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 tornadic thunderstorm will remain over mainly rural areas of
central Brevard County.

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 2839 8056 2834 8057 2826 8080 2833 8086
      2835 8086 2836 8087 2837 8087 2858 8054
      2846 8049
TIME...MOT...LOC 0240Z 237DEG 46KT 2842 8060 

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

$$

dws

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 7:00 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Osceola, Seminole60 min
Jan 22, 7:12 PM ESTSpecial Marine WarningMLB63 min
Jan 22, 7:19 PM ESTTornado WarningMLBOrange, Seminole, Volusia41 min
Jan 22, 7:26 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Volusia64 min
Jan 22, 7:29 PM ESTTornado WarningMLBVolusia31 min
Jan 22, 7:51 PM ESTTornado WarningMLBBrevard, Orange, Seminole, Volusia39 min
Jan 22, 7:53 PM ESTSevere Thunderstorm WarningMLBLake, Orange, Seminole, Volusia37 min
Jan 22, 8:15 PM ESTSpecial Marine WarningMLB2 hr
Jan 22, 8:29 PM ESTSevere Thunderstorm WarningMLBBrevard, Orange, Seminole, Volusia61 min
Jan 22, 8:36 PM ESTSpecial Weather StatementMLBOrange54 min
Jan 22, 8:59 PM ESTSpecial Weather StatementMLBBrevard, Osceola46 min
Jan 22, 9:10 PM ESTSevere Thunderstorm WarningMLBBrevard, Osceola50 min
Jan 22, 9:58 PM ESTSevere Thunderstorm WarningMLBBrevard, Osceola47 min
Jan 22, 9:59 PM ESTSpecial Weather StatementMLBBrevard, Indian River, Osceola91 min
Jan 22, 10:07 PM ESTTornado WarningMLBBrevard23 min
Jan 22, 10:14 PM ESTSpecial Marine WarningMLB3 hr
Jan 23, 12:21 AM ESTSpecial Weather StatementMLBIndian River, Saint Lucie24 min
Jan 23, 12:40 AM ESTSpecial Weather StatementMLBMartin35 min
Jan 23, 1:14 AM ESTSpecial Marine WarningMLB2 hr
Jan 23, 3:15 AM ESTWind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia15 hr

Nearby

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