Alert archive / Florida / Tornado Warnings in 2008

Tornado Warning 78, NWS Miami, FL

September 9, 2008Collier County, Florida

NWS Miami, FL issued this tornado warning at Sep 9, 2008, 6:38 PM EDT for Collier County, Florida. It was in force for 20 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, 6:38 PM EDT (22:38 UTC)
Expired
Sep 9, 2008, 6:58 PM EDT
In force
20 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Collier County, FL

The radar

The Miami radar (KAMX), 105 km from the middle of the area, began a volume at 22:39 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, 10.6 hours before the alert went out and 108 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°0°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 092238
TORMFL
FLC021-092330-
/O.NEW.KMFL.TO.W.0078.080909T2238Z-080909T2330Z/

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL COLLIER COUNTY IN SOUTH FLORIDA.

* UNTIL 730 PM EDT

* AT 638 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES        
  SOUTHEAST OF THE INTERSECTION OF ALLIGATOR ALLEY AND SR            
  29...MOVING NORTHWEST AT 35 TO 40 MPH.

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

* THE TORNADO WILL BE NEAR...
  INTERSECTION ALLIGATOR ALLEY AND SR 29...
  AND SURROUNDING COMMUNITIES.

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.

LAT...LON 2605 8148 2624 8134 2606 8112 2592 8124
TIME...MOT...LOC 2237Z 127DEG 33KT 2605 8126

$$

70/DD
1 follow-up statement
994 
WWUS52 KMFL 092258
SVSMFL

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

FLC021-092305-
/O.CAN.KMFL.TO.W.0078.000000T0000Z-080909T2330Z/
COLLIER FL-
655 PM EDT TUE SEP 9 2008

...THE TORNADO WARNING FOR CENTRAL COLLIER COUNTY IS CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE ROTATION HAS 
WEAKENED. THUS THE TORNADO WARNING HAS BEEN CANCELLED. 

THIS STORM IS STILL CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH AS IT 
MOVES FROM NEAR ROCK ISLAND TO CORKSCREW SWAMP SANCTUARY.

LAT...LON 2605 8148 2624 8134 2606 8112 2592 8124
TIME...MOT...LOC 2255Z 128DEG 33KT 2615 8141

$$

HANDEL

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, 1:33 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

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.