Severe Thunderstorm Warning 99, NWS Melbourne, FL

Issued

Aug 19, 2026, 4:25 PM EDT (20:25 UTC)

Expired

Aug 19, 2026, 4:47 PM EDT

In force

22 min

Issued by

NWS Melbourne, FL

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

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

The Melbourne radar (KMLB), 104 km from the middle of the area, began a volume at 20:27 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.

424 
WUUS52 KMLB 192025
SVRMLB
FLC069-117-127-192115-
/O.NEW.KMLB.SV.W.0099.260819T2025Z-260819T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Melbourne FL
425 PM EDT Wed Aug 19 2026

The National Weather Service in Melbourne has issued a

* Severe Thunderstorm Warning for...
  Western Seminole County in east central Florida...
  East central Lake County in east central Florida...
  South central Volusia County in east central Florida...

* Until 515 PM EDT.

* At 425 PM EDT, a severe thunderstorm was located over Sanford, and
  is nearly stationary.

  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, Oviedo, Winter Springs, and Casselberry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2893 8138 2883 8115 2863 8123 2876 8142
      2878 8142 2879 8145 2880 8147
TIME...MOT...LOC 2025Z 116DEG 1KT 2879 8129 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Weitlich

420 
WWUS52 KMLB 192034
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
434 PM EDT Wed Aug 19 2026

FLC069-117-127-192115-
/O.CON.KMLB.SV.W.0099.000000T0000Z-260819T2115Z/
Seminole FL-Lake FL-Volusia FL-
434 PM EDT Wed Aug 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR WESTERN SEMINOLE...EAST CENTRAL LAKE AND SOUTH CENTRAL VOLUSIA
COUNTIES...

At 433 PM EDT, a severe thunderstorm was located over Sanford, and is
nearly stationary.

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, Oviedo, Winter Springs, and Casselberry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2893 8138 2883 8115 2863 8123 2876 8142
      2878 8142 2879 8145 2880 8147
TIME...MOT...LOC 2033Z 116DEG 1KT 2879 8129 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Weitlich

164 
WWUS52 KMLB 192047
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
447 PM EDT Wed Aug 19 2026

FLC069-117-127-192057-
/O.CAN.KMLB.SV.W.0099.000000T0000Z-260819T2115Z/
Seminole FL-Lake FL-Volusia FL-
447 PM EDT Wed Aug 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SEMINOLE...EAST
CENTRAL LAKE AND SOUTH CENTRAL VOLUSIA COUNTIES IS CANCELLED...

The storm which prompted the warning has weakened below severe
limits, and no longer poses 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.

LAT...LON 2893 8138 2883 8115 2863 8123 2876 8142
      2878 8142 2879 8145 2880 8147
TIME...MOT...LOC 2045Z 116DEG 1KT 2879 8129 

$$

Weitlich

Severe Thunderstorm Warnings in Florida, 2026Every severe thunderstorm warning in 2026

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.