Alert archive / Florida / Flood Watches in 2023

Flood Watch 4, NWS Miami, FL

May 31, 20235 counties in Florida

NWS Miami, FL issued this flood watch at May 31, 2023, 11:41 AM EDT for 5 counties in Florida. It was in force for 4 days.

The area

The counties it named.

The facts

Issued
May 31, 2023, 11:41 AM EDT (15:41 UTC)
Expired
Jun 4, 2023, 4:58 PM EDT
In force
4 days
Issued by
NWS Miami, FL
Flood severity
None

Counties Broward County, FL, Glades County, FL, Hendry County, FL, Miami-Dade County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 92 km from the middle of the area, began a volume at 15:44 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

Tampa Bay, FL (KTBW), launched 12:00Z, 3.7 hours before the alert went out and 220 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, Tampa Bay, FL at 12:00Z on 2023-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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, Tampa Bay, FL at 12:00Z on 2023-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
78 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at May 31, 7:29 AM EDT, 4 hours 12 minutes earlier.

Area forecast discussion, May 31, 7:29 AM EDT, 4 hours 12 minutes before
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Hazardous weather outlook, May 31, 9:48 AM EDT, 1 hour 53 minutes before
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In the hours before

Special weather statement, May 31, 10:58 AM EDT, 43 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 8:01 PM EDTSpecial Weather StatementMFLBroward29 min
May 30, 8:08 PM EDTSpecial Weather StatementMFLMiami-Dade22 min
May 30, 8:24 PM EDTSpecial Weather StatementMFLMiami-Dade36 min
May 30, 8:25 PM EDTSpecial Marine WarningMFL65 min
May 30, 8:35 PM EDTSpecial Weather StatementMFLBroward25 min
May 30, 8:37 PM EDTSpecial Weather StatementMFLMiami-Dade23 min
May 30, 8:41 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
May 30, 8:49 PM EDTAreal Flood AdvisoryMFLBroward116 min
May 30, 9:02 PM EDTSpecial Weather StatementMFLBroward28 min
May 30, 9:17 PM EDTAreal Flood AdvisoryMFLBroward118 min
May 30, 9:35 PM EDTSpecial Weather StatementMFLBroward40 min
May 30, 9:40 PM EDTSpecial Marine WarningMFL50 min
May 31, 10:30 AM EDTSpecial Marine WarningMFL30 min
May 31, 10:58 AM EDTSpecial Weather StatementMFLBroward32 min
May 31, 2:53 PM EDTSpecial Weather StatementMFLPalm Beach37 min
May 31, 3:43 PM EDTSpecial Weather StatementMFLCollier47 min
May 31, 3:57 PM EDTSpecial Weather StatementMFLMiami-Dade48 min
May 31, 4:04 PM EDTSevere Thunderstorm WarningMFLMiami-Dade, Monroe26 min
May 31, 4:25 PM EDTSevere Thunderstorm WarningMFLMiami-Dade20 min
May 31, 4:32 PM EDTSpecial Weather StatementMFLHendry43 min
May 31, 4:43 PM EDTAreal Flood AdvisoryMFLBroward2 hr
May 31, 4:45 PM EDTSpecial Weather StatementMFLMiami-Dade45 min
May 31, 4:49 PM EDTSpecial Marine WarningMFL56 min
May 31, 5:03 PM EDTSpecial Weather StatementMFLBroward42 min
May 31, 5:15 PM EDTSpecial Weather StatementMFLGlades30 min
May 31, 5:20 PM EDTAreal Flood AdvisoryMFLBroward115 min
May 31, 5:59 PM EDTSpecial Marine WarningMFL46 min
May 31, 7:04 PM EDTSpecial Weather StatementMFLHendry26 min
May 31, 7:31 PM EDTAreal Flood AdvisoryMFLCollier119 min

Nearby

Flood Watches in Florida, 2023Every flood watch in 2023

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.