Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 7, NWS Melbourne, FL

January 22, 20164 counties in Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jan 22, 2016, 10:34 AM EST for 4 counties in Florida. It was in force for 29 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, 2016, 10:34 AM EST (15:34 UTC)
Expired: Jan 22, 2016, 11:03 AM EST
In force: 29 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Melbourne radar (KMLB), 118 km from the middle of the area, began a volume at 15:36 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.

Issued	Product	Office	Lasted
Jan 22, 9:49 AM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 3.6 hours before the alert went out and 102 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: 12 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 788 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

871 
WUUS52 KMLB 221534
SVRMLB
FLC069-095-117-127-221630-
/O.NEW.KMLB.SV.W.0007.160122T1534Z-160122T1630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1034 AM EST FRI JAN 22 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 1130 AM EST

* AT 1033 AM EST...A SEVERE THUNDERSTORM WAS LOCATED OVER ZELLWOOD...
  MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  DELTONA...SANFORD...APOPKA...DELAND AND EUSTIS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2923 8125 2891 8102 2864 8165 2880 8175
TIME...MOT...LOC 1533Z 240DEG 34KT 2876 8163 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

KELLY

1 follow-up statement

147 
WWUS52 KMLB 221603
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1103 AM EST FRI JAN 22 2016

FLC069-095-117-127-221613-
/O.CAN.KMLB.SV.W.0007.000000T0000Z-160122T1630Z/
ORANGE FL-LAKE FL-SEMINOLE FL-VOLUSIA FL-
1103 AM EST FRI JAN 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ORANGE...EAST
CENTRAL LAKE...NORTHWESTERN SEMINOLE AND CENTRAL VOLUSIA COUNTIES IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EST FOR
EAST CENTRAL FLORIDA.

LAT...LON 2923 8125 2891 8102 2864 8165 2880 8175
TIME...MOT...LOC 1600Z 240DEG 34KT 2890 8135 

$$

KELLY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 4:26 AM EST	Gale Warning	MLB		48 hr
Jan 22, 9:19 AM EST	Special Weather Statement	MLB	Lake	41 min
Jan 22, 9:59 AM EST	Special Weather Statement	MLB	Lake	46 min
Jan 22, 10:14 AM EST	Special Marine Warning	MLB		46 min
Jan 22, 10:43 AM EST	Special Weather Statement	MLB	Lake	62 min
Jan 22, 10:47 AM EST	Special Weather Statement	MLB	Flagler	58 min
Jan 22, 10:50 AM EST	Special Marine Warning	MLB		55 min
Jan 22, 10:50 AM EST	Special Weather Statement	MLB	Indian River, Martin, Saint Lucie	55 min
Jan 22, 11:02 AM EST	Special Weather Statement	MLB	Volusia	88 min
Jan 22, 11:10 AM EST	Special Marine Warning	MLB		95 min
Jan 22, 11:19 AM EST	Special Weather Statement	MLB	Orange, Seminole	41 min
Jan 22, 11:44 AM EST	Special Marine Warning	MLB		91 min
Jan 22, 11:46 AM EST	Tornado Warning	MLB	Volusia	26 min
Jan 22, 12:20 PM EST	Special Weather Statement	MLB	Orange	55 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.