Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 30, 2021, 5:38 PM EDT for Orange County, Florida. It was in force for 14 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
- May 30, 2021, 5:38 PM EDT (21:38 UTC)
- Expired
- May 30, 2021, 5:52 PM EDT
- In force
- 14 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Orange County, FL
The radar
The Melbourne radar (KMLB), 62 km from the middle of the area, began a volume at 21:40 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 nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 9.6 hours before the alert went out and 62 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.
- Mixed-layer CAPE
- 489 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
769 WUUS52 KMLB 302138 SVRMLB FLC095-302215- /O.NEW.KMLB.SV.W.0015.210530T2138Z-210530T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Melbourne FL 538 PM EDT Sun May 30 2021 The National Weather Service in Melbourne has issued a * Severe Thunderstorm Warning for... Southeastern Orange County in east central Florida... * Until 615 PM EDT. * At 538 PM EDT, a severe thunderstorm was located over Wedgefield, moving southeast at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Wedgefield, Avalon Park, Christmas and Bithlo. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows! && LAT...LON 2851 8123 2859 8105 2845 8097 2837 8118 TIME...MOT...LOC 2138Z 334DEG 8KT 2845 8111 HAIL...1.00IN WIND...<50MPH $$ Pendergrast
1 follow-up statement
638
WWUS52 KMLB 302152
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
552 PM EDT Sun May 30 2021
FLC095-302202-
/O.CAN.KMLB.SV.W.0015.000000T0000Z-210530T2215Z/
Orange FL-
552 PM EDT Sun May 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ORANGE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain is
still possible with this thunderstorm.
LAT...LON 2851 8123 2859 8105 2845 8097 2837 8118
TIME...MOT...LOC 2140Z 334DEG 8KT 2842 8109
$$
PendergrastThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 3:43 PM EDT | Special Weather Statement | MLB | Brevard | 32 min |
| May 30, 4:41 PM EDT | Special Weather Statement | MLB | Orange | 49 min |
| May 30, 5:48 PM EDT | Special Weather Statement | MLB | Saint Lucie | 42 min |
| May 30, 5:53 PM EDT | Special Weather Statement | MLB | Volusia | 52 min |
| May 30, 6:12 PM EDT | Special Weather Statement | MLB | Martin | 48 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning in 2021
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.