Alert archive / Florida / Special Weather Statements in 2022

Special Weather Statement, NWS Miami, FL

May 20, 2022Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at May 20, 2022, 12:16 PM EDT for Palm Beach County, Florida. It was in force for 44 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, 2022, 12:16 PM EDT (16:16 UTC)
Expired
May 20, 2022, 1:00 PM EDT
In force
44 min
Issued by
NWS Miami, FL
Hail
0.00 in
Wind
40

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 87 km from the middle of the area, began a volume at 16:19 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, 4.3 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2022-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2137 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 2022-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 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
2137 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
943 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 20, 9:05 AM EDT, 3 hours 11 minutes earlier.

Area forecast discussion, May 20, 9:05 AM EDT, 3 hours 11 minutes before
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Hazardous weather outlook, May 20, 8:37 AM EDT, 3 hours 39 minutes before
Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
837 AM EDT Fri May 20 2022

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
210645-
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-
837 AM EDT Fri May 20 2022

...Marginal Risk of Excessive Rainfall Today...
...Numerous Showers and Storms Across the Region Today...

This hazardous weather outlook is for South Florida.

.DAY ONE...TODAY AND TONIGHT

Rip currents: The risk of rip currents will be moderate across the
Atlantic beaches today.

Thunderstorms: Numerous showers and thunderstorms storms are likely
today. The main concern will be for locally heavy rainfall.
Secondary concerns are wind gusts in excess of 40 mph with a few of
the storms and occasional to frequent lightning strikes.

Waterspouts: There is a limited risk of isolated waterspout
activity with the storms across the coastal waters.

Flooding: The main concern with the storms today will be the
potential for localized flooding resulting in some street flooding
and/or closures in impacted areas or water entering a few structures
in low lying poor drainage areas.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

There will be a chance of mainly afternoon/evening showers and
storms through the period. Main concern will be gusty winds, brief
periods of heavy rainfall and occasional to frequent lightning
strikes.

The rip current risk will become high along the Atlantic beach this
weekend and through much of next week. Swim only at guarded beaches
and heed the advise of the beach patrol.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report high wind, hail 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

Special weather statement, May 20, 11:04 AM EDT, 1 hour 12 minutes before
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Special weather statement, May 20, 11:39 AM EDT, 37 minutes before
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Local storm report, May 20, 11:44 AM EDT, 32 minutes before
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Special weather statement, May 20, 11:47 AM EDT, 29 minutes before
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Local storm report, May 20, 12:12 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
1212 PM EDT FRI MAY 20 2022

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

1152 AM     FUNNEL CLOUD     3 S DELRAY BEACH        26.42N 80.09W
05/20/2022                   PALM BEACH         FL   TRAINED SPOTTER

            TWO TRAINED SPOTTERS REPORTED A FUNNEL CLOUD
            IN THE VICINITY OF EAST BOCA AND NEAR
            CONGRESS ROAD. TIME AND LOCATION ESTIMATED
            BY RADAR AND TELEPHONE REPORTS.

&&

DH
Special weather statement, May 20, 12:16 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Miami FL
1216 PM EDT Fri May 20 2022

FLZ067-068-071-072-168-172-201700-
Inland Broward County FL-Coastal Broward County FL-
Coastal Palm Beach County FL-Metro Broward County FL-
Inland Palm Beach County FL-Metro Palm Beach County FL-
1216 PM EDT Fri May 20 2022

...A strong thunderstorm will impact portions of northern Broward and
southeastern Palm Beach Counties through 100 PM EDT...

At 1216 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm capable of producing a funnel cloud over
Coconut Creek, or over Margate, moving northeast at 10 mph.

HAZARD...Funnel clouds and winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Funnel clouds occasionally touch down and produce tornadoes
         or waterspouts. Gusty winds could knock down tree limbs and
         blow around unsecured objects.

Locations impacted include...
Fort Lauderdale, Coral Springs, West Palm Beach, Pompano Beach,
Sunrise, Boca Raton, Deerfield Beach, Boynton Beach, Delray Beach,
Tamarac, Wellington, Margate, Lake Worth, Lighthouse Point, Palm
Beach, Lauderdale-By-The-Sea, Highland Beach, Ocean Ridge, Lauderhill
and Coconut Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

Funnel clouds occasionally touch down and produce tornadoes or
waterspouts. Move indoors and stay away from windows.

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

&&

LAT...LON 2613 8006 2617 8041 2669 8019 2667 7999
TIME...MOT...LOC 1616Z 210DEG 10KT 2627 8018

FUNNEL CLOUD...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Kelly

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 8:35 PM EDTSpecial Weather StatementMFLGlades40 min
May 20, 12:00 AM EDTSpecial Marine WarningMFL60 min
May 20, 12:55 AM EDTSpecial Marine WarningMFL65 min
May 20, 1:45 AM EDTSpecial Marine WarningMFL90 min
May 20, 1:48 AM EDTSpecial Weather StatementMFLMiami-Dade42 min
May 20, 2:22 AM EDTAreal Flood AdvisoryMFLMiami-Dade3 hr
May 20, 2:59 AM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade, Palm Beach3 hr
May 20, 3:07 AM EDTSpecial Marine WarningMFL83 min
May 20, 4:51 AM EDTSpecial Marine WarningMFL84 min
May 20, 10:55 AM EDTSpecial Marine WarningMFL50 min
May 20, 11:04 AM EDTSpecial Weather StatementMFLCollier41 min
May 20, 11:39 AM EDTSpecial Weather StatementMFLCollier36 min
May 20, 11:47 AM EDTSpecial Weather StatementMFLPalm Beach43 min
May 20, 11:48 AM EDTSpecial Marine WarningMFL57 min
May 20, 12:30 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach6 hr
May 20, 12:44 PM EDTSpecial Marine WarningMFL61 min
May 20, 12:52 PM EDTSpecial Weather StatementMFLPalm Beach38 min
May 20, 1:12 PM EDTSpecial Weather StatementMFLPalm Beach33 min
May 20, 1:31 PM EDTSevere Thunderstorm WarningMFLPalm Beach29 min
May 20, 1:40 PM EDTSpecial Marine WarningMFL65 min
May 20, 1:41 PM EDTSpecial Weather StatementMFLBroward34 min
May 20, 2:07 PM EDTFlash Flood WarningMFLBroward, Palm Beach113 min
May 20, 2:08 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach21 min
May 20, 2:14 PM EDTSpecial Weather StatementMFLBroward31 min
May 20, 2:28 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach4 hr
May 20, 2:36 PM EDTSpecial Marine WarningMFL84 min
May 20, 2:40 PM EDTSpecial Weather StatementMFLBroward35 min
May 20, 2:41 PM EDTSpecial Weather StatementMFLHendry49 min
May 20, 3:15 PM EDTSpecial Marine WarningMFL60 min
May 20, 3:35 PM EDTSpecial Weather StatementMFLPalm Beach40 min
May 20, 3:54 PM EDTSpecial Weather StatementMFLBroward36 min
May 20, 3:57 PM EDTSpecial Marine WarningMFL63 min
May 20, 4:01 PM EDTAreal Flood AdvisoryMFLBroward3 hr
May 20, 4:05 PM EDTSpecial Weather StatementMFLBroward25 min
May 20, 4:36 PM EDTSpecial Weather StatementMFLHendry54 min
May 20, 4:52 PM EDTSpecial Marine WarningMFL53 min
May 20, 5:35 PM EDTSpecial Weather StatementMFLBroward25 min
May 20, 5:42 PM EDTSpecial Marine WarningMFL33 min
May 20, 5:53 PM EDTSpecial Weather StatementMFLCollier37 min
May 20, 6:07 PM EDTSevere Thunderstorm WarningMFLCollier, Monroe23 min
May 20, 6:10 PM EDTSpecial Marine WarningMFL35 min
May 20, 6:15 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade2 hr
May 20, 6:31 PM EDTSpecial Weather StatementMFLCollier29 min
May 20, 6:45 PM EDTSpecial Marine WarningMFL60 min
May 20, 6:53 PM EDTSpecial Weather StatementMFLBroward37 min
May 20, 6:54 PM EDTSpecial Weather StatementMFLMonroe36 min
May 20, 7:26 PM EDTSpecial Weather StatementMFLMonroe49 min

Nearby

Special Weather Statements in Florida, 2022Every special weather statement in 2022

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.