Alert archive / Florida / Special Weather Statements in 2009
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at May 20, 2009, 4:11 PM EDT for Hendry County, Florida. It was in force for 64 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, 2009, 4:11 PM EDT (20:11 UTC)
- Expired
- May 20, 2009, 5:15 PM EDT
- In force
- 64 min
- Issued by
- NWS Miami, FL
County Hendry County, FL
The radar
The Miami radar (KAMX), 149 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 143 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
- 1791 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 761 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
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</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 May 20, 3:30 PM EDT, 41 minutes earlier.
Area forecast discussion, May 20, 3:30 PM EDT, 41 minutes before
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</html>Hazardous weather outlook, May 20, 9:10 AM EDT, 7 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 910 AM EDT WED MAY 20 2009 FLZ063-066>075-168-172>174-210200- 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- 910 AM EDT WED MAY 20 2009 ...ISOLATED SEVERE STORMS POSSIBLE MAINLAND THIS AFTERNOON... ...HIGH RISK OF RIP CURRENTS CONTINUES AT THE ATLANTIC BEACHES... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT RIP CURRENTS: EAST SOUTHEAST WINDS NEAR 15 MPH ACROSS THE ATLANTIC WATERS WILL LEAD TO A HIGH RISK OF RIP CURRENTS AT THE ATLANTIC BEACHES OF PALM BEACH, BROWARD, AND MIAMI DADE COUNTIES. SWIMMING IS NOT RECOMMENDED. THUNDERSTORMS: THUNDERSTORMS ARE EXPECTED ACROSS THE AREA TODAY, THOUGH THE MAIN FOCUS IS EXPECTED TO BE ACROSS INTERIOR LOCALES THIS AFTERNOON AND EVENING. A FEW STORMS ACROSS THESE AREAS COULD EVEN BECOME SEVERE, CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL. A FEW STRONG STORMS ARE POSSIBLE ACROSS THE REST OF THE AREA. WIND: THUNDERSTORMS OVER THE INTERIOR WILL BE CAPABLE OF PRODUCING DAMAGING WINDS TO 60 MPH. ELSEWHERE...GUSTS OF 40 TO 50 MPH WILL BE POSSIBLE. HAIL: HAIL TO AROUND QUARTER SIZE IS POSSIBLE ACROSS MAINLY INTERIOR LOCALES THIS AFTERNOON. FLOODING: THUNDERSTORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAINFALL IN A SHORT PERIOD OF TIME. THIS COULD LEAD TO LOCALIZED STREET FLOODING, ESPECIALLY WHERE SHOWERS AND STORMS CONTINUOUSLY MOVE OVER AN AREA. TORNADOES: A BRIEF TORNADO CANNOT BE RULED OUT TODAY, GIVEN A MOIST LOW LEVEL ENVIRONMENT ALONG WITH A SLIGHTLY FAVORABLE LOW LEVEL WIND PROFILE. WATERSPOUTS: THERE IS A MODERATE RISK OF WATERSPOUTS ACROSS THE COASTAL WATERS TODAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY TYPICAL MAINLY AFTERNOON AND EARLY EVENING THUNDERSTORMS ARE EXPECTED EACH DAY, FOCUSED ACROSS INTERIOR LOCALES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI. GR
In the hours before
Special weather statement, May 20, 2:35 PM EDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
235 PM EDT WED MAY 20 2009
FLZ063-066-067-201930-
HENDRY FL-GLADES FL-INLAND PALM BEACH COUNTY FL-
235 PM EDT WED MAY 20 2009
...STRONG THUNDERSTORMS MOVING ACROSS SOUTHWEST LAKE OKEECHOBEE AREA
AND EASTERN GLADES COUNTY...
AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF
CLEWISTON TO 6 MILES SOUTHEAST OF CLEWISTON...MOVING NORTHWEST AT 10
MPH.
THESE STORMS WILL AFFECT...
CLEWISTON...
HARLEM...
LAKEPORT...
AND SURROUNDING COMMUNITIES.
FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS TO 50 MPH...PEA-SIZED
HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE POSSIBLE.
LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES
AND OPEN SHELTERS OFFER NO PROTECTION. WIND GUSTS OF UP TO 50 MPH CAN
DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL
OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES.
ALSO...THESE STORMS ARE DEVELOPING IN AN ENVIRONMENT FAVORABLE FOR
TORNADOES.
RESIDENTS NEAR THE PATH OF THESE STORMS SHOULD REMAIN ON THE ALERT
FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.
STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.
LAT...LON 2708 8119 2699 8107 2692 8107 2692 8108
2693 8110 2689 8111 2688 8109 2685 8109
2682 8104 2682 8095 2678 8094 2673 8083
2658 8082 2677 8125
TIME...MOT...LOC 1835Z 144DEG 8KT 2682 8097 2668 8089
BAXTERLocal storm report, May 20, 2:37 PM EDT, 1 hour 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
237 PM EDT WED MAY 20 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0940 AM WATER SPOUT 2 E MIAMI BEACH 25.81N 80.10W
05/20/2009 AMZ651 FL FIRE DEPT/RESCUE
WATERSPOUT OBSERVED 2 MILES EAST OF MIAMI BEACH.
1200 PM WATER SPOUT BOYNTON BEACH 26.53N 80.09W
05/20/2009 PALM BEACH FL PUBLIC
A WATERSPOUT WAS OBSERVED JUST OFFSHORE
1225 PM HAIL LANTANA 26.59N 80.06W
05/20/2009 E0.25 INCH PALM BEACH FL TRAINED SPOTTER
PEA SIZED HAIL WAS REPORTED ALONG FEDERAL HIGHWAY IN
LANTANA.
0140 PM HAIL LAKEPORT 26.98N 81.13W
05/20/2009 E0.75 INCH GLADES FL FIRE DEPT/RESCUE
PENNY SIZED HAIL WAS OBSERVED IN LAKEPORT.
0145 PM TSTM WND GST 10 NW PAHOKEE 26.90N 80.79W
05/20/2009 M39.00 MPH AMZ610 FL COUNTY OFFICIAL
A WIND GUST OF 39 MPH WAS MEASURED AT SOUTH FLORIDA WATER
MANAGEMENT DISTRICT SITE LZ40.
0145 PM TSTM WND GST BELLE GLADE 26.69N 80.67W
05/20/2009 M58.00 MPH PALM BEACH FL MESONET
A WIND GUST OF 58 MPH WAS MEASURED AT THE BELLE GLADE
MESONET SITE.
0145 PM TSTM WND GST 6 E BUCKHEAD RIDGE 27.14N 80.79W
05/20/2009 M42.00 MPH AMZ610 FL COUNTY OFFICIAL
A 42 MPH WIND GUST WAS MEASURED AT SOUTH FLORIDA WATER
MANAGEMENT DISTRICT SITE L001
0154 PM TSTM WND DMG BELLE GLADE 26.69N 80.67W
05/20/2009 PALM BEACH FL LAW ENFORCEMENT
A TREE AND POWER LINES WERE REPORTED DOWN IN THE CITY OF
BELLE GLADE.
0155 PM HAIL LAKEPORT 26.98N 81.13W
05/20/2009 E1.00 INCH GLADES FL FIRE DEPT/RESCUE
QUARTER SIZED HAIL WAS REPORTED IN LAKEPORT. THIS BEGAN
AT 151 PM.
0200 PM TSTM WND GST 6 E BUCKHEAD RIDGE 27.14N 80.79W
05/20/2009 M45.00 MPH AMZ610 FL COUNTY OFFICIAL
A WIND GUST WAS MEASURED AT 45 MPH AT THE SOUTH FLORIDA
WATER MANAGEMENT DISTRICT SITE L001
&&
CARACOZZASpecial weather statement, May 20, 2:38 PM EDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
238 PM EDT WED MAY 20 2009
FLZ067-201945-
INLAND PALM BEACH COUNTY FL-
238 PM EDT WED MAY 20 2009
...STRONG THUNDERSTORM MOVING ACROSS WESTERN PALM BEACH COUNTY...
AT 238 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTH OF HOLEY LAND WILDLIFE MANAGEMENT
AREA...MOVING NORTHWEST AT 10 TO 15 MPH.
THIS STORM WILL AFFECT...
OKEELANTA...
SOUTH BAY...
LAKE HARBOR...
US 27...
AND SURROUNDING COMMUNITIES.
FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS TO 50 MPH...PEA-SIZED
HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE POSSIBLE.
LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES
AND OPEN SHELTERS OFFER NO PROTECTION. WIND GUSTS OF UP TO 50 MPH CAN
DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL
OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES.
ALSO...THIS STORM IS DEVELOPING IN AN ENVIRONMENT FAVORABLE FOR
TORNADOES.
RESIDENTS NEAR THE PATH OF THIS STORM SHOULD REMAIN ON THE ALERT FOR
ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS.
STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.
LAT...LON 2645 8055 2635 8078 2656 8088 2674 8088
2674 8086 2671 8082 2671 8078 2669 8074
2672 8073 2676 8075 2677 8074
TIME...MOT...LOC 1838Z 151DEG 14KT 2648 8071
BAXTERSpecial weather statement, May 20, 3:15 PM EDT, 56 minutes before
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</html>Local storm report, May 20, 3:44 PM EDT, 27 minutes before
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</html>Special weather statement, May 20, 4:11 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 1:05 AM EDT | Special Marine Warning | MFL | 25 min | |
| May 20, 3:35 AM EDT | Coastal Flood Statement | MFL | Broward, Miami-Dade, Palm Beach | 16 hr |
| May 20, 9:43 AM EDT | Special Marine Warning | MFL | 32 min | |
| May 20, 10:45 AM EDT | Special Marine Warning | MFL | 60 min | |
| May 20, 11:41 AM EDT | Special Marine Warning | MFL | 64 min | |
| May 20, 12:04 PM EDT | Tornado Warning | MFL | Palm Beach | 26 min |
| May 20, 12:24 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| May 20, 12:30 PM EDT | Special Weather Statement | MFL | Palm Beach | 30 min |
| May 20, 12:33 PM EDT | Special Marine Warning | MFL | 57 min | |
| May 20, 12:39 PM EDT | Special Weather Statement | MFL | Broward | 66 min |
| May 20, 12:46 PM EDT | Tornado Warning | MFL | Palm Beach | 19 min |
| May 20, 12:52 PM EDT | Special Marine Warning | MFL | 113 min | |
| May 20, 1:20 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 13 min |
| May 20, 1:22 PM EDT | Special Marine Warning | MFL | 53 min | |
| May 20, 1:30 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 30 min |
| May 20, 1:35 PM EDT | Special Weather Statement | MFL | Glades | 55 min |
| May 20, 1:54 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 18 min |
| May 20, 1:58 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 21 min |
| May 20, 2:17 PM EDT | Special Marine Warning | MFL | 58 min | |
| May 20, 2:35 PM EDT | Special Weather Statement | MFL | Glades | 55 min |
| May 20, 2:38 PM EDT | Special Weather Statement | MFL | Palm Beach | 67 min |
| May 20, 2:41 PM EDT | Special Marine Warning | MFL | 94 min | |
| May 20, 3:01 PM EDT | Severe Thunderstorm Warning | MFL | Hendry, Palm Beach | 35 min |
| May 20, 3:12 PM EDT | Special Marine Warning | MFL | 32 min | |
| May 20, 3:15 PM EDT | Special Weather Statement | MFL | Broward | 60 min |
| May 20, 4:10 PM EDT | Special Marine Warning | MFL | 80 min | |
| May 20, 5:19 PM EDT | Special Marine Warning | MFL | 94 min | |
| May 20, 5:34 PM EDT | Special Weather Statement | MFL | Broward | 56 min |
| May 20, 5:57 PM EDT | Special Marine Warning | MFL | 53 min | |
| May 20, 6:30 PM EDT | Special Weather Statement | MFL | Palm Beach | 60 min |
| May 20, 6:44 PM EDT | Special Weather Statement | MFL | Broward | 61 min |
Nearby
Special Weather Statements in Florida, 2009Every special weather statement in 2009
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.