Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Miami, FL

May 16, 2018Hendry County, Florida

NWS Miami, FL issued this special weather statement at May 16, 2018, 4:49 PM EDT for Hendry County, Florida. It was in force for 26 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 16, 2018, 4:49 PM EDT (20:49 UTC)
Expired
May 16, 2018, 5:15 PM EDT
In force
26 min
Issued by
NWS Miami, FL

County Hendry County, FL

The radar

The Miami radar (KAMX), 120 km from the middle of the area, began a volume at 20:52 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, 8.8 hours before the alert went out and 110 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-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2018-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1150 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2018-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1150 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
788 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at May 16, 3:47 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, May 16, 3:47 PM EDT, 1 hour 2 minutes before
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Hazardous weather outlook, May 16, 11:34 AM EDT, 5 hours 15 minutes before
Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
1134 AM EDT Wed May 16 2018

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
170345-
Lake Okeechobee-Biscayne Bay-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-Glades-Hendry-
Inland Palm Beach-Metro Palm Beach-Coastal Collier-Inland Collier-
Inland Broward-Metro Broward-Inland Miami-Dade-Metro Miami-Dade-
Mainland Monroe-Coastal Palm Beach-Coastal Broward-Coastal Miami-
Dade-Far South Miami-Dade-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
1134 AM EDT Wed May 16 2018

...THUNDERSTORMS LIKELY AGAIN TODAY ACROSS SOUTH FLORIDA...
...LOCALIZED FLOODING POSSIBLE EAST AND WEST COAST METRO REGIONS...

This hazardous weather outlook is for South Florida.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Flooding: Periods of moderate to heavy rainfall may be possible along
the east coast and west coast metro regions. Ponding of water on
roadways is possible in low lying and poor drainage areas.

Thunderstorms: Showers and thunderstorms are forecast to develop
across South Florida late morning through this evening. The primary
hazards will be, small hail, gusty winds, lightning, and the
potential for heavy rainfall.

Waterspouts: Isolated waterspouts will be possible over all South
Florida waters.

Hail: Thunderstorms this afternoon will have the potential to
produce small hail.

Wind: Thunderstorms this afternoon may produce gusty winds. Isolated
minor wind damage will remain possible.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Periods of showers and thunderstorms are forecast to develop across
South Florida with above normal rain chances continuing through
the week into the weekend. Several periods of heavy rainfall may be
possible. This may lead to localized flooding concerns.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report funnel clouds, high wind and flooding
to the National Weather Service forecast office in Miami.

For more information...visit the National Weather Service in
Miami website at www.weather.gov/miami.

In the hours before

Local storm report, May 16, 2:58 PM EDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
258 PM EDT WED MAY 16 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     LIGHTNING        2 N PARKLAND            26.34N  80.24W
05/16/2018                   PALM BEACH         FL   BROADCAST MEDIA

            *** 2 INJ *** A MEMBER OF THE BROADCAST MEDIA REPORTED
            THAT 2 PEOPLE WERE POSSIBLY STRUCK BY LIGHTNING AT
            HENDRICKS FARM IN PARKLAND. 2 PEOPLE WERE TAKEN TO THE
            HOSPITAL IN CRITICAL CONDITION.

&&

EVENT NUMBER MFL1800088

CWC
Special weather statement, May 16, 3:03 PM EDT, 1 hour 46 minutes before
Special Weather Statement
National Weather Service Miami FL
303 PM EDT WED MAY 16 2018

FLZ067-071-072-161930-
Inland Broward County-Metro Broward County-Inland Palm Beach County-
303 PM EDT WED MAY 16 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL BROWARD AND SOUTH
CENTRAL PALM BEACH COUNTIES...

At 303 PM EDT, a strong thunderstorm was located 7 miles northwest of
Parkland, or 7 miles northwest of Coral Springs, moving north at 5
mph.

Wind gusts up to 50 mph and pea size hail are possible with this
storm.

Locations impacted include...
Coral Springs, Parkland and Loxahatchee NWR.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 2626 8026 2628 8048 2649 8042 2646 8022
TIME...MOT...LOC 1903Z 186DEG 6KT 2635 8035

CF
Special weather statement, May 16, 3:06 PM EDT, 1 hour 43 minutes before
Special Weather Statement
National Weather Service Miami FL
306 PM EDT WED MAY 16 2018

FLZ067-161930-
Inland Palm Beach County-
306 PM EDT WED MAY 16 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN PALM BEACH
COUNTY...

At 306 PM EDT, a strong thunderstorm was located over Belle Glade,
moving north at 25 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Belle Glade, Pahokee, South Bay, Canal Point, Belle Glade Camp and
Fremd Village-Padgett Island.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 2659 8062 2666 8077 2691 8063 2683 8047
TIME...MOT...LOC 1906Z 201DEG 20KT 2670 8067

CF
Special weather statement, May 16, 3:06 PM EDT, 1 hour 43 minutes before
Special Weather Statement
National Weather Service Miami FL
306 PM EDT WED MAY 16 2018

FLZ067-071>073-161945-
Inland Broward County FL-Metro Broward County FL-
Inland Palm Beach County FL-Inland Miami-Dade County FL-
306 PM EDT WED MAY 16 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MIAMI-DADE...
CENTRAL BROWARD AND SOUTH CENTRAL PALM BEACH COUNTIES UNTIL 345 PM
EDT...

* At 304 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 10 miles
  east of Holey Land Wildlife Refuge to 11 miles west of Intersection
  Krome And U.S. 27. Movement was east at 20 mph.

* Small hail, excessive cloud-to-ground lightning, funnel clouds, and
  winds in excess of 45 mph will be possible with these storms.

* Locations impacted include...
  Pembroke Pines, Miramar, Weston, Mile Marker 30 On Alligator Alley,
  Intersection Alligator Alley And Miami Canal, East Toll Gate On
  Alligator Alley, Intersection I-75 And U.S. 27 and Miccosukee
  Resort.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists along Interstate 75 must exercise caution. Slow down, and
be prepared to stop.

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.

This activity was also developing in an environment favorable for the
formation of funnel clouds. Stay tuned to NOAA weather radio and
local media for additional updates and possible warnings.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2641 8039 2577 8045 2577 8065 2643 8061
TIME...MOT...LOC 1904Z 261DEG 18KT 2637 8057 2591 8061

AR
Special weather statement, May 16, 4:15 PM EDT, 34 minutes before
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Special weather statement, May 16, 4:49 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 1:56 PM EDTSpecial Weather StatementMFLBroward34 min
May 16, 2:27 PM EDTSpecial Weather StatementMFLBroward33 min
May 16, 3:03 PM EDTSpecial Weather StatementMFLBroward27 min
May 16, 3:06 PM EDTSpecial Weather StatementMFLPalm Beach24 min
May 16, 3:37 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade, Palm Beach38 min
May 16, 4:15 PM EDTSpecial Weather StatementMFLBroward60 min
May 16, 5:00 PM EDTSpecial Weather StatementMFLMiami-Dade30 min
May 16, 5:09 PM EDTSpecial Weather StatementMFLBroward51 min
May 16, 5:26 PM EDTSpecial Weather StatementMFLMiami-Dade34 min
May 16, 5:56 PM EDTSpecial Weather StatementMFLMiami-Dade34 min
May 16, 6:00 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr

Nearby

Special Weather Statements in Florida, 2018Every special weather statement in 2018

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.