Alert archive / Florida / Special Weather Statements in 2015
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at May 7, 2015, 4:41 PM EDT for Broward County, Florida. It was in force for 49 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 7, 2015, 4:41 PM EDT (20:41 UTC)
- Expired
- May 7, 2015, 5:30 PM EDT
- In force
- 49 min
- Issued by
- NWS Miami, FL
County Broward County, FL
The radar
The Miami radar (KAMX), 63 km from the middle of the area, began a volume at 20:44 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
Miami, FL (KMFL), launched 12:00Z, 8.7 hours before the alert went out and 42 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
- 40 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1182 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 7, 2:16 PM EDT, 2 hours 25 minutes earlier.
Area forecast discussion, May 7, 2:16 PM EDT, 2 hours 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 216 PM EDT THU MAY 7 2015 .DISCUSSION... THE MID LEVEL LARGE SCALE PATTERN SHOWS AN AREA OF LOW PRESSURE LOCATED OVER NORTHERN CALIFORNIA, A RIDGE OVER SOUTHERN MEXICO, AND A LOW NORTHEAST OF THE FLORIDA PENINSULA. VERY LITTLE MOVEMENT IS FORECAST IN THE SYNOPTIC PATTERN FOR THE EAST COAST OF THE US. HOWEVER, BETWEEN NOW AND MONDAY THE LOW OVER NORTHERN CALIFORNIA MOVES TO THE NORTHERN PLAINS PUSHING AHEAD OF IT THE RIDGE PREVIOUSLY LOCATED OVER MEXICO OVER PORTIONS OF THE SOUTHEASTERN US. AS THE WEEK PROGRESSES, THE TROUGH OF LOW PRESSURE LIFTS TO THE NORTHEAST AND THE RIDGE ESTABLISHES ITSELF OVER FLORIDA. THE VISIBLE SATELLITE IMAGE AT 2 PM SHOWS THE INITIAL DEVELOPMENT OF THE EAST AND WEST COAST SEA BREEZES OVER SOUTH FLORIDA. THE SEA BREEZE WILL BE THE MAIN MECHANISM FOR SHOWERS AND THUNDERSTORMS TO FORM TODAY. THE SHOWERS SHOULD FIRST DEVELOP OVER THE INTERIOR AND THEN MOVE EASTWARD TOWARD THE METRO AREAS LATER IN THE EVENING. THE STRONGEST THUNDERSTORMS HAVE THE POTENTIAL TO HAVE WIND GUSTS UP TO 50 MPH AND SMALL HAIL. A SMALL INVERSION PRESENT IN THE MID LEVELS AND LOWER MOISTURE COMPARED TO YESTERDAY COULD DELAY OR DECREASE THE THUNDERSTORM POTENTIAL TODAY. NO CHANGES ARE APPLIED AT THIS TIME TO THE RIP CURRENT FORECAST. THE PALM BEACH COAST CONTINUES UNDER A MODERATE RISK. THE REST OF THE EAST COAST BEACHES CONTINUES UNDER A SLIGHT RISK. THE MODERATE RISK OF RIP CURRENTS FOR PALM BEACH COUNTY IS EXPECTED TO CONTINUE INTO THE WEEKEND. && .MARINE... AS THE SURFACE LOW NORTHEAST OF FLORIDA CONTINUES TO SLOWLY MOVE NORTHWARD...THE PRESSURE GRADIENT ACROSS THE REGIONAL WATERS WILL BE WEAKENED WITH LIGHTER AND VARIABLE WINDS TODAY AND FRIDAY. A MORE EASTERLY FLOW WILL RETURN TO THE REGIONAL WATERS LATE SUNDAY INTO MONDAY. ATLANTIC AND GULF STREAM WATERS ARE FORECAST TO SLOWLY SUBSIDE TONIGHT THROUGH FRIDAY AND FURTHER INTO THE WEEKEND. && .AVIATION... (ISSUED AT 150 PM EDT THU MAY 7 2015) LITTLE CHANGE IN OVERALL FORECAST THINKING. EXPECT AT LEAST SCATTERED SHRA/TSRA TO DEVELOP ALONG SEA BREEZE THAT IS PRESENTLY MOVING THROUGH INLAND- MOST SUBURBS ON BOTH COASTS WITHIN THE NEXT HOUR OR TWO. MODELS DEPICT THIS ACTIVITY MOVING EAST TOWARD TERMINALS...WITH BROWARD AND MIAMI-DADE COUNTIES SITES HAVING HIGHEST POPS. VCTS IS SUFFICIENT FOR NOW. EAST WINDS AROUND 10 KTS...CALMING OVERNIGHT...THEN LIGHT LAND BREEZE WINDS POSSIBLE FRIDAY MORNING. FOR NAPLES...CURRENT WEST WINDS AROUND 10 KTS WILL DIMINISH OVERNIGHT TO 5 KTS OR LESS. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 68 85 67 86 / 30 20 20 10 FORT LAUDERDALE 70 84 72 85 / 30 20 20 20 MIAMI 70 85 72 85 / 30 30 20 20 NAPLES 69 83 69 85 / 10 10 0 10 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && SHORT TERM...71/JE LONG TERM....71/JE AVIATION/RADAR...23/SK
Hazardous weather outlook, May 7, 3:35 PM EDT, 1 hour 6 minutes before
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</html>In the hours before
Special weather statement, May 7, 4:23 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 423 PM EDT THU MAY 7 2015 FLZ071-072-072100- INLAND BROWARD COUNTY FL-METRO BROWARD COUNTY FL- 423 PM EDT THU MAY 7 2015 ...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE LIGHTNING AND SMALL HAIL FOR CENTRAL BROWARD COUNTY UNTIL 500 PM EDT... * AT 422 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER INTERSECTION ALLIGATOR ALLEY AND MIAMI CANAL...MOVING EAST AT 20 MPH. * THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND SMALL HAIL. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES. * LOCATIONS IMPACTED INCLUDE... PEMBROKE PINES...SUNRISE...WESTON...INTERSECTION U.S. 27 PINES BLVD...INTERSECTION ALLIGATOR ALLEY AND MIAMI CANAL...INTERSECTION I-75 AND U.S. 27...MILE MARKER 30 ON ALLIGATOR ALLEY...EAST TOLL GATE ON ALLIGATOR ALLEY AND SOUTHWEST RANCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. RESIDENTS 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 2601 8071 2620 8069 2623 8035 2600 8037 TIME...MOT...LOC 2022Z 265DEG 15KT 2613 8061 BAXTER
Special weather statement, May 7, 4:26 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
426 PM EDT THU MAY 7 2015
FLZ066-067-070-071-072115-
INLAND BROWARD COUNTY FL-INLAND COLLIER COUNTY FL-
INLAND PALM BEACH COUNTY FL-HENDRY FL-
426 PM EDT THU MAY 7 2015
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE
LIGHTNING...UP TO NICKEL SIZED HAIL AND 45 TO 55 MPH WINDS FOR
NORTHWESTERN BROWARD...SOUTHWESTERN PALM BEACH...NORTHEASTERN COLLIER
AND SOUTHEASTERN HENDRY COUNTIES UNTIL 515 PM EDT...
* AT 426 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR MICCOSUKEE INDIAN RESERVATION...OR 29 MILES SOUTH OF SOUTH
BAY...MOVING EAST AT 15 MPH.
* FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...
UP TO NICKEL-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.
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.
* THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF ...INCLUDING THE
FOLLOWING LOCATIONS...NORTHWESTERN BROWARD...SOUTHWESTERN PALM
BEACH...NORTHEASTERN COLLIER AND SOUTHEASTERN HENDRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
RESIDENTS 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 2620 8068 2621 8092 2629 8094 2634 8087
2637 8068
TIME...MOT...LOC 2026Z 265DEG 15KT 2626 8088
BAXTERSpecial weather statement, May 7, 4:41 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
441 PM EDT THU MAY 7 2015
FLZ071-072-072130-
INLAND BROWARD COUNTY FL-METRO BROWARD COUNTY FL-
441 PM EDT THU MAY 7 2015
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE
LIGHTNING...UP TO NICKEL SIZED HAIL AND 45 TO 55 MPH WINDS FOR
CENTRAL BROWARD AND SOUTHERN PALM BEACH COUNTIES UNTIL 530 PM EDT...
* AT 440 PM EDT...DOPPLER RADAR WAS TRACKING A DEVELOPING LINE OF
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES NORTH OF
INTERSECTION I-75 AND U.S. 27 TO 9 MILES SOUTH OF INTERSECTION
ALLIGATOR ALLEY AND MIAMI CANAL...AND MOVING EAST AT 15 TO 20 MPH.
* FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...
UP TO NICKEL-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.
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.
* LOCATIONS IMPACTED INCLUDE...
PEMBROKE PINES...MIRAMAR...CORAL SPRINGS...DAVIE...PLANTATION...
SUNRISE...TAMARAC...MARGATE...LAUDERHILL...WESTON...NORTH
LAUDERDALE...LAUDERDALE LAKES...COOPER CITY...PARKLAND...
INTERSECTION I-75 AND U.S. 27...GODFREY ROAD...PINE ISLAND RIDGE...
MILE MARKER 30 ON ALLIGATOR ALLEY...SAWGRASS MILLS MALL AND
SOUTHWEST RANCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
RESIDENTS 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 2614 8022 2596 8034 2596 8066 2618 8068
2633 8068 2634 8043 2633 8020
TIME...MOT...LOC 2040Z 248DEG 13KT 2629 8044 2602 8060
BAXTERThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 4:23 PM EDT | Special Weather Statement | MFL | Broward | 37 min |
| May 7, 4:26 PM EDT | Special Weather Statement | MFL | Broward | 49 min |
| May 7, 5:18 PM EDT | Special Weather Statement | MFL | Broward | 42 min |
| May 7, 5:39 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 51 min |
| May 7, 5:43 PM EDT | Special Weather Statement | MFL | Broward | 47 min |
| May 7, 5:47 PM EDT | Special Weather Statement | MFL | Miami-Dade | 43 min |
| May 7, 6:34 PM EDT | Special Weather Statement | MFL | Palm Beach | 41 min |
| May 7, 6:35 PM EDT | Special Marine Warning | MFL | 25 min | |
| May 7, 6:39 PM EDT | Special Weather Statement | MFL | Palm Beach | 66 min |
| May 7, 6:44 PM EDT | Special Weather Statement | MFL | Miami-Dade | 46 min |
| May 7, 7:01 PM EDT | Special Weather Statement | MFL | Hendry | 44 min |
Nearby
Special Weather Statements in Florida, 2015Every special weather statement in 2015
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.