Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 73, NWS Miami, FL

September 9, 2008Monroe County, Florida

NWS Miami, FL issued this tornado warning at Sep 9, 2008, 10:29 AM EDT for Monroe County, Florida. It was in force for 41 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
Sep 9, 2008, 10:29 AM EDT (14:29 UTC)
Expired
Sep 9, 2008, 11:10 AM EDT
In force
41 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Monroe County, FL

The radar

The Miami radar (KAMX), 66 km from the middle of the area, began a volume at 14:31 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, 2.5 hours before the alert went out and 85 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 12:00Z on 2008-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2105 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2008-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 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
2105 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KMFL 091429
TORMFL
FLC087-091530-
/O.NEW.KMFL.TO.W.0073.080909T1429Z-080909T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1029 AM EDT TUE SEP 9 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL MAINLAND MONROE COUNTY IN SOUTH FLORIDA.

* UNTIL 1130 AM EDT

* AT 1026 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 17 MILES EAST OF
  WILDERNESS WATERWAY SOUTH...MOVING WEST AT 40 MPH.

  THIS STORM IS ALSO CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
  60 MPH.

* THE TORNADO WILL BE NEAR...
  WILDERNESS WATERWAY SOUTH...
  WILDERNESS WATERWAY NORTH...
  AND SURROUNDING COMMUNITIES.

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 POSSIBLY DEVELOP ANYTIME. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI.

LAT...LON 2539 8114 2547 8118 2548 8117 2549 8118
      2555 8120 2573 8128 2561 8105 2562 8104
      2560 8102 2560 8101 2552 8087 2537 8088
      2537 8086 2531 8086
TIME...MOT...LOC 1429Z 112DEG 35KT 2541 8083

$$

BAXTER
2 follow-up statements
190 
WWUS52 KMFL 091446
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1046 AM EDT TUE SEP 9 2008

FLC087-091530-
/O.CON.KMFL.TO.W.0073.000000T0000Z-080909T1530Z/
MAINLAND MONROE FL-
1046 AM EDT TUE SEP 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT FOR CENTRAL
MAINLAND MONROE COUNTY...

AT 1045 AM 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. THIS STORM WAS LOCATED 11
MILES SOUTHEAST OF WILDERNESS WATERWAY NORTH...MOVING NORTHWEST AT 40
MPH.

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 POSSIBLY DEVELOP ANYTIME. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI.

LAT...LON 2573 8128 2564 8111 2564 8110 2561 8105
      2562 8104 2560 8102 2552 8088 2551 8088
      2546 8093 2547 8103 2551 8113 2555 8120
TIME...MOT...LOC 1446Z 124DEG 41KT 2557 8103

$$

BAXTER
711 
WWUS52 KMFL 091510
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1110 AM EDT TUE SEP 9 2008

FLC087-091520-
/O.CAN.KMFL.TO.W.0073.000000T0000Z-080909T1530Z/
MAINLAND MONROE FL-
1110 AM EDT TUE SEP 9 2008

...THE TORNADO WARNING FOR NORTHERN MAINLAND MONROE COUNTY IS
CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM
THAT BEEN SHOWING A POSSIBLE TORNADO HAS MOVED INTO THE NEAR-SHORE
WATERS OF MAINLAND MONROE COUNTY. THUS THE TORNADO WARNING HAS BEEN
CANCELLED.

LAT...LON 2573 8128 2564 8111 2564 8110 2561 8105
      2562 8104 2560 8102 2552 8088 2551 8088
      2546 8093 2547 8103 2551 8113 2555 8120
TIME...MOT...LOC 1510Z 124DEG 41KT 2572 8128

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 10:37 PM EDTSpecial Marine WarningMFL53 min
Sep 9, 12:01 AM EDTSpecial Marine WarningMFL59 min
Sep 9, 12:55 AM EDTSpecial Marine WarningMFL50 min
Sep 9, 1:31 AM EDTSpecial Marine WarningMFL59 min
Sep 9, 2:35 AM EDTSpecial Marine WarningMFL55 min
Sep 9, 3:25 AM EDTSpecial Marine WarningMFL80 min
Sep 9, 3:59 AM EDTSpecial Marine WarningMFL61 min
Sep 9, 4:07 AM EDTSpecial Weather StatementMFLMonroe53 min
Sep 9, 4:23 AM EDTMarine Weather StatementMFL77 min
Sep 9, 4:56 AM EDTSpecial Marine WarningMFL94 min
Sep 9, 6:12 AM EDTSpecial Marine WarningMFL48 min
Sep 9, 6:30 AM EDTSpecial Marine WarningMFL2 hr
Sep 9, 6:48 AM EDTSpecial Marine WarningMFL57 min
Sep 9, 6:50 AM EDTSpecial Marine WarningMFL115 min
Sep 9, 7:21 AM EDTSpecial Marine WarningMFL48 min
Sep 9, 7:45 AM EDTSpecial Weather StatementMFLMiami-Dade45 min
Sep 9, 8:07 AM EDTSpecial Marine WarningMFL113 min
Sep 9, 8:15 AM EDTSpecial Weather StatementMFLPalm Beach60 min
Sep 9, 8:26 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe64 min
Sep 9, 8:42 AM EDTTornado WarningMFLCollier, Monroe48 min
Sep 9, 9:02 AM EDTSpecial Marine WarningMFL43 min
Sep 9, 9:22 AM EDTTornado WarningMFLCollier53 min
Sep 9, 9:30 AM EDTSpecial Marine WarningMFL30 min
Sep 9, 9:54 AM EDTSpecial Marine WarningMFL111 min
Sep 9, 10:21 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe69 min
Sep 9, 11:02 AM EDTSpecial Marine WarningMFL58 min
Sep 9, 11:23 AM EDTSpecial Weather StatementMFLCollier, Miami-Dade, Monroe82 min
Sep 9, 11:54 AM EDTSevere Thunderstorm WarningMFLMiami-Dade29 min
Sep 9, 12:01 PM EDTSpecial Marine WarningMFL119 min
Sep 9, 1:10 PM EDTSpecial Weather StatementMFLMiami-Dade80 min
Sep 9, 1:29 PM EDTSpecial Marine WarningMFL91 min
Sep 9, 1:33 PM EDTTornado WarningMFLMonroe27 min
Sep 9, 1:57 PM EDTSpecial Marine WarningMFL2 hr
Sep 9, 2:23 PM EDTSpecial Weather StatementMFLCollier37 min
Sep 9, 2:28 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
Sep 9, 2:35 PM EDTSpecial Weather StatementMFLBroward70 min
Sep 9, 2:48 PM EDTTornado WarningMFLMiami-Dade27 min
Sep 9, 3:18 PM EDTTornado WarningMFLMiami-Dade33 min
Sep 9, 4:06 PM EDTTornado WarningMFLCollier, Monroe39 min
Sep 9, 6:38 PM EDTTornado WarningMFLCollier20 min

Nearby

Tornado Warnings in Florida, 2008Every tornado warning in 2008Tornadoes in 2008

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.