Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 9, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Oct 18, 2011, 9:44 PM EDT for Broward County, Miami-Dade County, Florida. It was in force for 31 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 18, 2011, 9:44 PM EDT (01:44 UTC)
- Expired
- Oct 18, 2011, 10:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
Counties Broward County, FL, Miami-Dade County, FL
The radar
The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 01:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 18, 10:07 PM EDT | TORNADO | 3 Nnw Davie, FL | EF-2 TORNADO CONFIRMED BY NWS SURVEY IN SUNRISE/PLANTAION AREA WITH MAX WINDS OF 120 MPH. PATH LENGTH 1.11 MILES WITH A MAX WIDTH OF 125 YARDS. UP TO 50 HOMES DAMAGED, AND AT LEAST A DOZEN HOMES WITH SIGNIFICANT TO SEVERE DAMAGE. ROOF COMPLETELY REMOVED FROM T |
| Oct 18, 10:07 PM EDT | TORNADO | Sawgrass Mills Mall, FL | BROADCAST MEDIA RELAYED SEVERAL REPORTS OF POSSIBLE TORNADO DAMAGE IN SUNRISE NEAR THE SAWGRASS MILLS MALL. ROOFS OFF HOMES WITH 2 PEOPLE REPORTEDLY TRAPPED IN DAMAGED HOMES. TREES ALSO DOWNED. WEATHER EVENT CLASSIFICATION IS PRELIMINARY, BASED ON RADAR DATA, |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 18, 2:21 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 00:00Z, 1.7 hours before the alert went out and 28 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
- 3389 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 454 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 351 m²/s²
- 0-3 km storm-relative helicity
- 417 m²/s²
- Significant tornado parameter
- 7.8
- Supercell composite
- 32.0
The text
As transmitted, in the capitals the NWS used until 2016.
328 WFUS52 KMFL 190144 TORMFL FLC011-086-190215- /O.NEW.KMFL.TO.W.0009.111019T0144Z-111019T0215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MIAMI FL 944 PM EDT TUE OCT 18 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * TORNADO WARNING FOR... CENTRAL BROWARD COUNTY IN SOUTHEAST FLORIDA... THIS INCLUDES THE CITIES OF...PLANTATION...PEMBROKE PINES... MIRAMAR...DAVIE... NORTH CENTRAL MIAMI-DADE COUNTY IN SOUTHEAST FLORIDA... * UNTIL 1015 PM EDT * AT 940 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR INTERSECTION KROME AND U.S. 27...MOVING NORTHEAST AT 35 MPH. THIS STORM IS ALSO CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. * THE TORNADO WILL BE NEAR... INTERSECTION KROME AND U.S. 27... MIRAMAR... PEMBROKE PINES... INTERSECTION I-75 AND GRIFFIN ROAD... DAVIE... PLANTATION... AND SURROUNDING COMMUNITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW IN A STURDY REINFORCED BUILDING. HEAVY RAINFALL MAY OBSCURE THIS TORNADO. IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. TAKE COVER NOW IN A STURDY REINFORCED BUILDING. TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO SEE. IF YOU WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE! MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. LEAVE MOBILE HOMES AND VEHICLES FOR REINFORCED SHELTER. STAY AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING FOR SOUTHERN FLORIDA. && LAT...LON 2618 8038 2612 8016 2591 8040 2593 8048 TIME...MOT...LOC 0144Z 218DEG 29KT 2597 8041 $$ GREGORIA
1 follow-up statement
915 WWUS52 KMFL 190153 SVSMFL SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 953 PM EDT TUE OCT 18 2011 FLC086-190201- /O.CAN.KMFL.TO.W.0009.000000T0000Z-111019T0215Z/ MIAMI-DADE FL- 953 PM EDT TUE OCT 18 2011 ...THE TORNADO WARNING FOR NORTH CENTRAL MIAMI-DADE COUNTY IS CANCELLED... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING FOR SOUTHERN FLORIDA. A TORNADO WATCH IS BEING EXTENDED UNTIL 600 AM EDT WEDNESDAY MORNING FOR SOUTHERN FLORIDA. LAT...LON 2598 8035 2601 8042 2618 8038 2612 8016 TIME...MOT...LOC 0151Z 218DEG 29KT 2601 8037 $$ FLC011-190215- /O.CON.KMFL.TO.W.0009.000000T0000Z-111019T0215Z/ BROWARD FL- 953 PM EDT TUE OCT 18 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR CENTRAL BROWARD COUNTY... AT 949 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. DAMAGING WINDS IN EXCESS OF 60 MPH ARE ALSO POSSIBLE. THE POSSIBLE TORNADO WAS LOCATED OVER PEMBROKE PINES...3 MILES WEST OF INTERSTATE 75. THE STORM WAS MOVING NORTHEAST AT 35 MPH. HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO SEE. TAKE COVER NOW! IF YOU WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE! MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. LEAVE MOBILE HOMES AND VEHICLES FOR REINFORCED SHELTER. STAY AWAY FROM WINDOWS. A TORNADO WATCH IS BEING EXTENDED UNTIL 600 AM EDT WEDNESDAY MORNING FOR SOUTHERN FLORIDA. LAT...LON 2598 8035 2601 8042 2618 8038 2612 8016 TIME...MOT...LOC 0151Z 218DEG 29KT 2601 8037 $$ GREGORIA
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 8:12 PM EDT | Tornado Warning | MFL | Miami-Dade, Monroe | 33 min |
| Oct 18, 8:16 PM EDT | Special Weather Statement | MFL | Hendry | 29 min |
| Oct 18, 8:42 PM EDT | Special Marine Warning | MFL | 93 min | |
| Oct 18, 8:45 PM EDT | Tornado Warning | MFL | Miami-Dade | 30 min |
| Oct 18, 9:08 PM EDT | Special Weather Statement | MFL | Palm Beach | 37 min |
| Oct 18, 9:14 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 18 min |
| Oct 18, 9:14 PM EDT | Tornado Warning | MFL | Miami-Dade | 31 min |
| Oct 18, 10:12 PM EDT | Tornado Warning | MFL | Broward, Palm Beach | 9 min |
| Oct 18, 10:13 PM EDT | Special Marine Warning | MFL | 77 min | |
| Oct 18, 10:31 PM EDT | Special Weather Statement | MFL | Broward | 29 min |
| Oct 18, 10:40 PM EDT | Special Weather Statement | MFL | Palm Beach | 35 min |
| Oct 18, 11:02 PM EDT | Special Marine Warning | MFL | 58 min | |
| Oct 18, 11:21 PM EDT | Special Marine Warning | MFL | 114 min | |
| Oct 18, 11:41 PM EDT | Special Weather Statement | MFL | Glades | 64 min |
| Oct 18, 11:52 PM EDT | Special Weather Statement | MFL | Broward | 23 min |
| Oct 19, 12:14 AM EDT | Special Marine Warning | MFL | 91 min | |
| Oct 19, 12:18 AM EDT | Special Weather Statement | MFL | Collier | 57 min |
| Oct 19, 1:08 AM EDT | Special Marine Warning | MFL | 112 min | |
| Oct 19, 3:01 AM EDT | Special Marine Warning | MFL | 48 min | |
| Oct 19, 4:02 AM EDT | Special Weather Statement | MFL | Broward | 28 min |
| Oct 19, 4:41 AM EDT | Special Marine Warning | MFL | 47 min | |
| Oct 19, 5:00 AM EDT | Areal Flood Advisory | MFL | Collier | 77 min |
| Oct 19, 5:25 AM EDT | Special Marine Warning | MFL | 65 min | |
| Oct 19, 5:55 AM EDT | Special Marine Warning | MFL | 38 min | |
| Oct 19, 6:48 AM EDT | Special Weather Statement | MFL | Miami-Dade | 42 min |
| Oct 19, 12:51 PM EDT | Special Marine Warning | MFL | 84 min | |
| Oct 19, 2:15 PM EDT | Special Marine Warning | MFL | 90 min |
Nearby
Tornado Warnings in Florida, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.