Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 4, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Oct 18, 2011, 7:06 PM EDT for Glades County, Florida. It was in force for 28 min. 3 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, 7:06 PM EDT (23:06 UTC)
- Expired
- Oct 18, 2011, 7:34 PM EDT
- In force
- 28 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
County Glades County, FL
The radar
The Melbourne radar (KMLB), 133 km from the middle of the area, began a volume at 23:06 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, 7:15 PM EDT | FUNNEL CLOUD | 1 Nne Moore Haven, FL | A LOCAL POLICE DEPUTY OBSERVED A FUNNEL CLOUD, ABOUT 1 MILE NORTH NORTHEAST OF MOORE HAVEN. |
| Oct 18, 7:25 PM EDT | TSTM WND DMG | Lakeport, FL | GLADES COUNTY SHERIFFS OFFICE REPORTED THAT LOOP ROAD...ALSO CALLED COUNTY ROUTE 721...WAS CLOSED DUE TO DOWNED POWER LINES. |
| Oct 18, 7:25 PM EDT | TORNADO | Lakeport, FL | LOCAL LAW ENFORCEMENT REPORTED MINOR DAMAGE TO 40 HOMES IN LAKEPORT. WEATHER EVENT IS PRELIMINARY, BASED ON RADAR DATA, PENDING STORM SURVEY. |
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
Tampa Bay, FL (KTBW), launched 12:00Z, 11.1 hours before the alert went out and 150 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
- 382 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
120
WFUS52 KMFL 182306
TORMFL
FLC043-182345-
/O.NEW.KMFL.TO.W.0004.111018T2306Z-111018T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
706 PM EDT TUE OCT 18 2011
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN GLADES COUNTY IN SOUTHERN FLORIDA...
THIS INCLUDES THE CITIES OF...MOORE HAVEN...LAKEPORT...
* UNTIL 745 PM EDT
* AT 703 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST
OF MOORE HAVEN...MOVING NORTHEAST AT 20 MPH.
* THE TORNADO WILL BE NEAR...
MOORE HAVEN...LAKEPORT...
AND SURROUNDING COMMUNITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE INDOORS AND TO THE LOWEST LEVEL OF A STURDY BUILDING. STAY AWAY
FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY
OVERPASS. WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...
IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A
TORNADO MAY ALREADY BE ON THE GROUND...OR COULD DEVELOP ANYTIME.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING
FOR SOUTHERN FLORIDA.
&&
LAT...LON 2720 8115 2705 8098 2701 8101 2698 8108
2692 8107 2693 8110 2689 8111 2686 8108
2684 8108 2678 8118 2688 8129 2713 8118
2713 8117
TIME...MOT...LOC 2305Z 227DEG 19KT 2687 8120
$$
MJB1 follow-up statement
326
WWUS52 KMFL 182334
SVSMFL
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
734 PM EDT TUE OCT 18 2011
FLC043-182342-
/O.CAN.KMFL.TO.W.0004.000000T0000Z-111018T2345Z/
GLADES FL-
734 PM EDT TUE OCT 18 2011
...THE TORNADO WARNING FOR EASTERN GLADES COUNTY IS CANCELLED...
NATIONAL WEATHER SERVICE RADAR INDICATES THE STRONGEST
CIRCULATION HAS PUSHED EAST INTO LAKE OKEECHOBEE. THUS THE TORNADO
WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING
FOR SOUTHERN FLORIDA.
LAT...LON 2720 8115 2705 8098 2701 8101 2698 8108
2692 8107 2693 8110 2689 8111 2686 8108
2684 8108 2678 8118 2688 8129 2713 8118
2713 8117
TIME...MOT...LOC 2332Z 227DEG 19KT 2697 8108
$$
MJBThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 4:44 AM EDT | Gale Watch | MFL | 11 hr | |
| Oct 18, 5:20 AM EDT | Special Weather Statement | MFL | Broward | 40 min |
| Oct 18, 8:19 AM EDT | Special Weather Statement | MFL | Palm Beach | 26 min |
| Oct 18, 8:29 AM EDT | Tornado Warning | MFL | Palm Beach | 16 min |
| Oct 18, 11:33 AM EDT | Special Marine Warning | MFL | 57 min | |
| Oct 18, 12:29 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 18, 2:24 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 18, 2:49 PM EDT | Flood Watch | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 7 hr |
| Oct 18, 3:35 PM EDT | Special Marine Warning | MFL | 115 min | |
| Oct 18, 3:40 PM EDT | Gale Warning | MFL | 21 hr | |
| Oct 18, 3:50 PM EDT | Small Craft Advisory | MFL | 36 hr | |
| Oct 18, 5:13 PM EDT | Special Weather Statement | MFL | Lee | 32 min |
| Oct 18, 5:24 PM EDT | Special Marine Warning | MFL | 66 min | |
| Oct 18, 5:48 PM EDT | Special Weather Statement | MFL | Collier | 27 min |
| Oct 18, 6:10 PM EDT | Special Marine Warning | MFL | 95 min | |
| Oct 18, 6:50 PM EDT | Special Marine Warning | MFL | 85 min | |
| Oct 18, 7:40 PM EDT | Tornado Warning | MFL | Glades | 33 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.