Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

December 11, 2012Collier County, Florida

NWS Miami, FL issued this special weather statement at Dec 11, 2012, 12:02 AM EST for Collier County, Florida. It was in force for 43 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
Dec 11, 2012, 12:02 AM EST (05:02 UTC)
Expired
Dec 11, 2012, 12:45 AM EST
In force
43 min
Issued by
NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 102 km from the middle of the area, began a volume at 05:03 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 00:00Z, 5.0 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 00:00Z on 2012-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2247 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 00:00Z on 2012-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
2247 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 Dec 10, 10:47 PM EST, 1 hour 15 minutes earlier.

Area forecast discussion, Dec 10, 10:47 PM EST, 1 hour 15 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Dec 10, 10:42 PM EST, 1 hour 20 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA...CORRECTED
NATIONAL WEATHER SERVICE MIAMI FL
1042 PM EST MON DEC 10 2012

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
111900-
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 EXTENDING FROM
20 NM TO 60 NM-
WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM
TO THE TERRITORIAL WATERS OF THE 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-
GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM
20 TO 60 NM-
1042 PM EST MON DEC 10 2012

...ISOLATED THUNDERSTORMS OVER THE GULF WATERS TONIGHT...
...LOCALIZED URBAN FLOODING POSSIBLE COASTAL COLLIER COUNTY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TONIGHT

THUNDERSTORMS: THERE WILL BE ISOLATED THUNDERSTORMS OVER THE GULF
COASTAL WATERS TONIGHT WITH AN OCCASIONAL LIGHTNING STRIKE
POSSIBLE ALONG WITH A BRIEF HEAVY DOWNPOUR.

FLOODING: THERE COULD BE SOME LOCALLY HEAVY RAIN ALONG THE COLLIER
COUNTY COAST ESPECIALLY BETWEEN NAPLES AND EVERGLADES CITY. THE
MAIN IMPACT WILL BE PONDING OF WATER ALONG ROADWAYS WHERE DRAINAGE
IS POOR.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SHOWERS AND THUNDERSTORMS WILL REMAIN IN THE FORECAST ON TUESDAY
AND WEDNESDAY AS A COLD FRONT APPROACHES FROM THE NORTHWEST. THE
MAIN IMPACTS WILL BE LIGHTNING AND THE POTENTIAL FOR LOCALLY HEAVY
RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

In the hours before

Special weather statement, Dec 11, 12:02 AM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1202 AM EST TUE DEC 11 2012

FLZ066-069-070-075-110545-
COASTAL COLLIER COUNTY FL HENDRY FL INLAND COLLIER COUNTY FL MAINLAND
MONROE FL
1202 AM EST TUE DEC 11 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR SOUTHERN HENDRY
COUNTY...CENTRAL COLLIER COUNTY...NORTHWESTERN MAINLAND MONROE
COUNTY...FOR FREQUENT TO EXCESSIVE LIGHTNING AND GUSTY WINDS OF 45 TO
55 MPH...

* UNTIL 1245 AM EST

* AT 1158 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES
  SOUTH OF AVE MARIA TO 16 MILES SOUTHEAST OF CAPE ROMANO...AND
  MOVING NORTHEAST AT 25 MPH.

* THE LINE OF STORMS WILL AFFECT...
  PORT OF THE ISLANDS...
  FAKAHATCHEE STRAND STATE PRESERVE...
  SUNNILAND...
  EVERGLADES CITY...
  CARNESTOWN...
  INTERSECTION ALLIGATOR ALLEY AND SR 839...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH. LIGHTNING IS THE NUMBER ONE WEATHER RELATED
KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. 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.

LAT...LON 2626 8152 2641 8113 2564 8113 2563 8125
      2568 8129 2573 8122 2576 8126 2579 8128
      2580 8136 2582 8137 2586 8142 2586 8148
      2588 8148 2588 8150 2583 8153 2589 8154
      2589 8160
TIME...MOT...LOC 0502Z 234DEG 21KT 2623 8145 2566 8156

CWC

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 11:40 PM ESTAreal Flood AdvisoryMFLCollier2 hr
Dec 10, 11:45 PM ESTSpecial Marine WarningMFL60 min
Dec 11, 12:34 AM ESTSpecial Weather StatementMFLCollier41 min
Dec 11, 1:12 AM ESTSpecial Weather StatementMFLMonroe48 min
Dec 11, 1:31 AM ESTSevere Thunderstorm WarningMFLBroward, Collier, Miami-Dade, Monroe29 min
Dec 11, 1:47 AM ESTSevere Thunderstorm WarningMFLBroward, Collier, Miami-Dade, Monroe28 min
Dec 11, 1:59 AM ESTSpecial Weather StatementMFLBroward31 min
Dec 11, 2:09 AM ESTSpecial Weather StatementMFLMiami-Dade51 min
Dec 11, 3:12 AM ESTSpecial Weather StatementMFLBroward48 min
Dec 11, 3:47 AM ESTSpecial Marine WarningMFL58 min
Dec 11, 4:52 AM ESTAreal Flood AdvisoryMFLCollier113 min
Dec 11, 6:29 AM ESTSpecial Weather StatementMFLHendry46 min
Dec 11, 8:53 AM ESTAreal Flood AdvisoryMFLCollier112 min
Dec 11, 9:13 AM ESTSpecial Marine WarningMFL32 min
Dec 11, 9:15 AM ESTSpecial Weather StatementMFLCollier45 min
Dec 11, 9:40 AM ESTSpecial Marine WarningMFL95 min
Dec 11, 10:06 AM ESTSpecial Weather StatementMFLCollier39 min
Dec 11, 6:08 PM ESTAreal Flood AdvisoryMFLPalm Beach112 min

Nearby

Special Weather Statements in Florida, 2012Every special weather statement in 2012

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.