Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 1, NWS Melbourne, FL

January 15, 2016Orange County, Osceola County, Seminole County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jan 15, 2016, 10:54 AM EST for Orange County, Osceola County, Seminole County, Florida. It was in force for 66 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 15, 2016, 10:54 AM EST (15:54 UTC)
Expired
Jan 15, 2016, 12:00 PM EST
In force
66 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Orange County, FL, Osceola County, FL, Seminole County, FL

The radar

The Melbourne radar (KMLB), 77 km from the middle of the area, began a volume at 15:55 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.

What was reported inside it

TimeReportWhereRemark
Jan 15, 10:58 AM ESTTSTM WND GST 45Sanford Airport, FLPEAK GUST 39 KNOTS FROM THE WEST.
Jan 15, 11:10 AM ESTTSTM WND GST 43Orlando Executive Airpo, FLGUST TO 37 KNOTS FROM WSW.
Jan 15, 11:14 AM ESTTSTM WND GST 43Orlando International A, FLGUST TO 37 KNOTS FROM THE WEST.

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

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 3.9 hours before the alert went out and 82 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 12:00Z on 2016-01-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 12:00Z on 2016-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.1939587897117136Sfc1 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
54 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

278 
WUUS52 KMLB 151554
SVRMLB
FLC095-097-117-151700-
/O.NEW.KMLB.SV.W.0001.160115T1554Z-160115T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1054 AM EST FRI JAN 15 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ORANGE COUNTY IN EAST CENTRAL FLORIDA...
  SEMINOLE COUNTY IN EAST CENTRAL FLORIDA...
  NORTHWESTERN OSCEOLA COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL NOON EST

* AT 1053 AM EST...A SEVERE THUNDERSTORM WAS LOCATED NEAR HORIZON
  WEST...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  ORLANDO...KISSIMMEE...SANFORD...APOPKA AND ALTAMONTE SPRINGS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

VERY HEAVY RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 2858 8160 2885 8136 2883 8122 2878 8118
      2879 8114 2881 8112 2880 8106 2875 8106
      2869 8102 2851 8093 2804 8119 2807 8137
      2808 8135 2809 8145 2814 8146 2814 8152
      2820 8152 2826 8156 2826 8166 2837 8166
TIME...MOT...LOC 1553Z 264DEG 24KT 2845 8158 

HAIL...<.75IN
WIND...60MPH
 
$$

15
1 follow-up statement
635 
WWUS52 KMLB 151652
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1152 AM EST FRI JAN 15 2016

FLC095-097-117-151701-
/O.EXP.KMLB.SV.W.0001.000000T0000Z-160115T1700Z/
ORANGE FL-SEMINOLE FL-OSCEOLA FL-
1152 AM EST FRI JAN 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR ORANGE...SEMINOLE AND
NORTHWESTERN OSCEOLA COUNTIES WILL EXPIRE AT 1200 PM EST...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
ARE STILL POSSIBLE THIS AFTERNOON.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
MELBOURNE.

LAT...LON 2858 8160 2885 8136 2883 8122 2878 8118
      2879 8114 2881 8112 2880 8106 2875 8106
      2869 8102 2851 8093 2804 8119 2807 8137
      2808 8135 2809 8145 2814 8146 2814 8152
      2820 8152 2826 8156 2826 8166 2837 8166
TIME...MOT...LOC 1648Z 264DEG 24KT 2845 8158 

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 15, 4:15 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole12 hr
Jan 15, 9:32 AM ESTSpecial Weather StatementMLBLake58 min
Jan 15, 10:22 AM ESTSpecial Marine WarningMLB113 min
Jan 15, 10:23 AM ESTSpecial Weather StatementMLBBrevard, Lake, Orange, Osceola, Seminole, Volusia82 min
Jan 15, 10:46 AM ESTSpecial Weather StatementMLBBrevard, Lake, Orange, Osceola, Seminole, Volusia59 min
Jan 15, 11:40 AM ESTSpecial Weather StatementMLBBrevard, Osceola50 min
Jan 15, 11:49 AM ESTSevere Thunderstorm WarningMLBBrevard41 min
Jan 15, 11:57 AM ESTSpecial Marine WarningMLB63 min
Jan 15, 12:32 PM ESTSpecial Weather StatementMLBIndian River, Martin, Okeechobee, Saint Lucie58 min
Jan 15, 12:35 PM ESTSpecial Marine WarningMLB115 min
Jan 15, 12:59 PM ESTSevere Thunderstorm WarningMLBMartin31 min
Jan 15, 1:23 PM ESTSpecial Marine WarningMLB112 min
Jan 15, 1:29 PM ESTSpecial Weather StatementMLBMartin, Saint Lucie31 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning in 2016

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.