Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 74, NWS Miami, FL

September 9, 2008Monroe County, Florida

NWS Miami, FL issued this tornado warning at Sep 9, 2008, 1:33 PM EDT for Monroe County, Florida. It was in force for 27 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, 1:33 PM EDT (17:33 UTC)
Expired
Sep 9, 2008, 2:00 PM EDT
In force
27 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Monroe County, FL

The radar

The Miami radar (KAMX), 80 km from the middle of the area, began a volume at 17:35 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, 5.6 hours before the alert went out and 96 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 091733
TORMFL
FLC087-091800-
/O.NEW.KMFL.TO.W.0074.080909T1733Z-080909T1800Z/

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

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

* UNTIL 200 PM EDT

* AT 130 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WILDERNESS
  WATERWAY SOUTH...MOVING NORTHWEST AT 4O TO 45 MPH.

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

* THE TORNADO WILL BE NEAR...
  RURAL WESTERN MAINLAND MONROE COUNTY
  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 2544 8116 2548 8117 2549 8120 2551 8122
      2555 8120 2557 8124 2559 8123 2560 8125
      2562 8124 2565 8128 2570 8128 2571 8132
      2574 8130 2557 8114 2546 8102 2540 8110
TIME...MOT...LOC 1732Z 128DEG 38KT 2546 8109

$$

BAXTER
1 follow-up statement
015 
WWUS52 KMFL 091759
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
159 PM EDT TUE SEP 9 2008

FLC087-091809-
/O.EXP.KMFL.TO.W.0074.000000T0000Z-080909T1800Z/
MAINLAND MONROE FL-
159 PM EDT TUE SEP 9 2008

...THE TORNADO WARNING FOR WEST CENTRAL MAINLAND MONROE COUNTY WILL
EXPIRE AT 200 PM EDT...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORMS
THAT HAS BEEN INDICATING A POSSIBLE TORNADO HAS MOVED OUT OF THE
WARNED AREA...AND INTO THE NEAR-SHORE GULF WATERS OF MAINLAND MONROE 
COUNTY. THUS THE TORNADO WARNING WILL EXPIRE AT 200 PM EDT.

LAT...LON 2544 8116 2548 8117 2549 8120 2551 8122
      2555 8120 2557 8124 2559 8123 2560 8125
      2562 8124 2565 8128 2570 8128 2571 8132
      2574 8130 2557 8114 2546 8102 2540 8110
TIME...MOT...LOC 1759Z 128DEG 38KT 2563 8134

$$

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, 10:29 AM EDTTornado WarningMFLMonroe41 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, 1:57 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.