Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 11, NWS Melbourne, FL

March 24, 2016Indian River County, Okeechobee County, Saint Lucie County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Mar 24, 2016, 4:30 PM EDT for Indian River County, Okeechobee County, Saint Lucie County, Florida. It was in force for 45 min. 1 report 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: Mar 24, 2016, 4:30 PM EDT (20:30 UTC)
Expired: Mar 24, 2016, 5:15 PM EDT
In force: 45 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Indian River County, FL, Okeechobee County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 73 km from the middle of the area, began a volume at 20:31 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.

What was reported inside it

Time	Report	Where	Remark
Mar 24, 4:31 PM EDT	HAIL 1.75	3 Wnw Country Hills Est, FL	OKEECHOBEE COUNTY FIRE RESCUE STATION 4 AT THE INTERSECTION OF US-441 AND NE 168TH STREET REPORTED GOLF BALL SIZED HAIL. TIME ESTIMATED USING RADAR.

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, 8.5 hours before the alert went out and 114 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: 34 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

348 
WUUS52 KMLB 242030
SVRMLB
FLC061-093-111-242115-
/O.NEW.KMLB.SV.W.0011.160324T2030Z-160324T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
430 PM EDT THU MAR 24 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ST. LUCIE COUNTY IN EAST CENTRAL FLORIDA...
  NORTHEASTERN OKEECHOBEE COUNTY IN EAST CENTRAL FLORIDA...
  SOUTHWESTERN INDIAN RIVER COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 515 PM EDT

* AT 430 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES NORTH OF
  FOUR SEASONS ESTATES...OR 9 MILES SOUTH OF FORT DRUM...MOVING
  NORTHEAST AT 30 MPH.

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

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  FORT DRUM AND COUNTRY HILLS ESTATES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 2730 8074 2736 8089 2772 8081 2764 8052
TIME...MOT...LOC 2030Z 217DEG 26KT 2739 8077 

HAIL...1.00IN
WIND...60MPH
 
$$

BRAGAW

2 follow-up statements

086 
WWUS52 KMLB 242045
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
445 PM EDT THU MAR 24 2016

FLC061-093-111-242115-
/O.CON.KMLB.SV.W.0011.000000T0000Z-160324T2115Z/
ST. LUCIE FL-OKEECHOBEE FL-INDIAN RIVER FL-
445 PM EDT THU MAR 24 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHWESTERN ST. LUCIE...NORTHEASTERN OKEECHOBEE AND SOUTHWESTERN
INDIAN RIVER COUNTIES...

AT 444 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST OF
FORT DRUM...MOVING NORTHEAST AT 30 MPH.

HAZARD...GOLF BALL SIZE HAIL. 

SOURCE...OKEECHOBEE FIRE STATION NUMBER FOUR. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE 
         TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

LOCATIONS IMPACTED INCLUDE...
FORT DRUM AND COUNTRY HILLS ESTATES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 2730 8074 2736 8089 2772 8081 2764 8052
TIME...MOT...LOC 2044Z 217DEG 26KT 2747 8070 

HAIL...1.75IN
WIND...<50MPH
 
$$

BRAGAW

682 
WWUS52 KMLB 242103
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
503 PM EDT THU MAR 24 2016

FLC093-111-242112-
/O.CAN.KMLB.SV.W.0011.000000T0000Z-160324T2115Z/
ST. LUCIE FL-OKEECHOBEE FL-
503 PM EDT THU MAR 24 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ST. LUCIE AND
NORTHEASTERN OKEECHOBEE COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 2756 8057 2756 8078 2764 8078 2764 8083
      2772 8081 2764 8052
TIME...MOT...LOC 2102Z 217DEG 26KT 2758 8061 

$$

FLC061-242115-
/O.CON.KMLB.SV.W.0011.000000T0000Z-160324T2115Z/
INDIAN RIVER FL-
503 PM EDT THU MAR 24 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHWESTERN INDIAN RIVER COUNTY...

AT 502 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHWEST OF
POINTE WEST...OR 12 MILES WEST OF VERO BEACH SOUTH...MOVING NORTHEAST
AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHWESTERN INDIAN RIVER COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 2756 8057 2756 8078 2764 8078 2764 8083
      2772 8081 2764 8052
TIME...MOT...LOC 2102Z 217DEG 26KT 2758 8061 

HAIL...1.25IN
WIND...60MPH
 
$$

BRAGAW

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 24, 4:06 PM EDT	Severe Thunderstorm Warning	MLB	Okeechobee	54 min
Mar 24, 5:08 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Indian River	67 min
Mar 24, 5:27 PM EDT	Special Marine Warning	MLB		63 min
Mar 24, 6:50 PM EDT	Special Weather Statement	MLB	Osceola	40 min
Mar 24, 7:12 PM EDT	Special Marine Warning	MLB		48 min
Mar 24, 7:27 PM EDT	Special Weather Statement	MLB	Orange	33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.