Alert archive / Florida / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 33, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 20, 2016, 4:17 PM EDT for Glades County, Hendry County, Florida. It was in force for 28 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 20, 2016, 4:17 PM EDT (20:17 UTC)
- Expired
- May 20, 2016, 4:45 PM EDT
- In force
- 28 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Glades County, FL, Hendry County, FL
The radar
The Miami radar (KAMX), 147 km from the middle of the area, began a volume at 20:19 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
Miami, FL (KMFL), launched 12:00Z, 8.3 hours before the alert went out and 138 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
- 1254 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted.
899
WUUS52 KMFL 202017
SVRMFL
FLC043-051-202045-
/O.NEW.KMFL.SV.W.0033.160520T2017Z-160520T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
417 PM EDT FRI MAY 20 2016
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL GLADES COUNTY IN SOUTHERN FLORIDA...
NORTHWESTERN HENDRY COUNTY IN SOUTHERN FLORIDA...
* UNTIL 445 PM EDT
* AT 417 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES
SOUTHEAST OF PORT LA BELLE...OR 11 MILES SOUTHEAST OF
LABELLE...MOVING EAST AT 5 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...
LABELLE...DEVILS GARDEN...FELDA...PORT LA BELLE AND KERI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LARGE HAIL AND DAMAGING WINDS AND 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 2652 8145 2675 8150 2684 8115 2657 8110
TIME...MOT...LOC 2017Z 264DEG 4KT 2666 8130
HAIL...1.00IN
WIND...60MPH
$$
ALM1 follow-up statement
236
WWUS52 KMFL 202041
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
441 PM EDT FRI MAY 20 2016
FLC043-051-202050-
/O.EXP.KMFL.SV.W.0033.000000T0000Z-160520T2045Z/
GLADES FL-HENDRY FL-
441 PM EDT FRI MAY 20 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL GLADES AND
NORTHWESTERN HENDRY COUNTIES WILL EXPIRE AT 445 PM EDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE...THE WARNING
WILL BE ALLOWED TO EXPIRE. HOWEVER SMALL HAIL...GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.
LAT...LON 2652 8145 2675 8150 2684 8115 2657 8110
TIME...MOT...LOC 2039Z 264DEG 4KT 2666 8130
$$
ALMThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 5:45 AM EDT | Special Marine Warning | MFL | 45 min | |
| May 20, 4:11 PM EDT | Special Weather Statement | MFL | Palm Beach | 49 min |
| May 20, 4:15 PM EDT | Special Weather Statement | MFL | Hendry | 75 min |
| May 20, 4:21 PM EDT | Special Marine Warning | MFL | 114 min | |
| May 20, 5:04 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 56 min |
| May 20, 5:09 PM EDT | Severe Thunderstorm Warning | MFL | Hendry, Palm Beach | 39 min |
| May 20, 5:33 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 27 min |
| May 20, 6:02 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 73 min |
| May 20, 6:08 PM EDT | Special Marine Warning | MFL | 2 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.