Alert archive / Florida / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 2, NWS Miami, FL

February 12, 2008Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Feb 12, 2008, 8:19 PM EST for Collier County, Florida. It was in force for 56 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
Feb 12, 2008, 8:19 PM EST (01:19 UTC)
Expired
Feb 12, 2008, 9:15 PM EST
In force
56 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Collier County, FL

The radar

The Miami radar (KAMX), 124 km from the middle of the area, began a volume at 01:21 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 12, 3:18 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 1.3 hours before the alert went out and 131 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 00:00Z on 2008-02-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 810 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 00:00Z on 2008-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.19395878Sfc1 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
810 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KMFL 130120
SVRMFL
FLC021-130215-
/O.NEW.KMFL.SV.W.0002.080213T0119Z-080213T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
819 PM EST TUE FEB 12 2008

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COLLIER COUNTY IN SOUTH FLORIDA.

* UNTIL 915 PM EST

* AT 816 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 14
  MILES WEST OF CAPE ROMANO...AND MOVING NORTHEAST AT 40 MPH.

* THE STORM WILL AFFECT...

  MARCO ISLAND...
  ROYAL PALM HAMMOCK...
  WEST TOLL GATE ON ALLIGATOR ALLEY...
  GOLDEN GATE ESTATES...
  BIG CORKSCREW ISLAND...

AND SURROUNDING COMMUNITIES.

SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR
ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS
SPOTTED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST TUESDAY EVENING
FOR SOUTHERN FLORIDA.

LAT...LON 2641 8158 2590 8103 2581 8134 2585 8138
      2587 8147 2589 8148 2584 8151 2587 8152
      2591 8165 2590 8169 2588 8166 2584 8168
      2589 8172 2591 8171 2592 8174 2598 8174
      2609 8182 2615 8182
TIME...MOT...LOC 0119Z 231DEG 38KT 2582 8187

$$

BAXTER
2 follow-up statements
000
WWUS52 KMFL 130136
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
835 PM EST TUE FEB 12 2008

FLC021-130215-
/O.CON.KMFL.SV.W.0002.000000T0000Z-080213T0215Z/
COLLIER FL-
835 PM EST TUE FEB 12 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR COLLIER COUNTY...

AT 834 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR
MARCO ISLAND...MOVING NORTHEAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...

MARCO ISLAND...
GOODLAND...
MARCO ISLAND AIRPORT...
ROYAL PALM HAMMOCK...
SOUTH BLOCKS GOLDEN GATE...
PICAYUNE STRAND STATE FOREST...

AND SURROUNDING COMMUNITIES.

SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR
ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS
SPOTTED.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST TUESDAY EVENING
FOR SOUTHERN FLORIDA.

LAT...LON 2641 8158 2590 8103 2581 8134 2585 8138
      2587 8147 2589 8148 2584 8151 2587 8152
      2590 8159 2591 8164 2590 8169 2592 8174
      2598 8174 2609 8182 2615 8182
TIME...MOT...LOC 0135Z 231DEG 38KT 2593 8172

$$

BAXTER
000
WWUS52 KMFL 130155
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
855 PM EST TUE FEB 12 2008

FLC021-130215-
/O.CON.KMFL.SV.W.0002.000000T0000Z-080213T0215Z/
COLLIER FL-
855 PM EST TUE FEB 12 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR COLLIER COUNTY...

AT 851 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SOUTH BLOCKS GOLDEN
GATE...MOVING NORTHEAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...

SOUTH BLOCKS GOLDEN GATE...
INTERSECTION I-75 AND EVERGLADES BLVD...
DEEP LAKE...
ROCK ISLAND...
INTERSECTION ALLIGATOR ALLEY AND SR 29...

AND SURROUNDING COMMUNITIES.

SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR
ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS
SPOTTED.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST TUESDAY EVENING
FOR SOUTHERN FLORIDA.

LAT...LON 2641 8158 2590 8103 2581 8134 2585 8138
      2587 8147 2589 8148 2584 8151 2587 8152
      2590 8159 2591 8164 2590 8169 2592 8174
      2598 8174 2609 8182 2615 8182
TIME...MOT...LOC 0155Z 231DEG 38KT 2606 8154

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 7:13 PM ESTSpecial Weather StatementMFLCollier32 min
Feb 12, 7:25 PM ESTSpecial Marine WarningMFL2 hr
Feb 12, 7:50 PM ESTSpecial Weather StatementMFLCollier55 min
Feb 12, 8:03 PM ESTSpecial Weather StatementMFLCollier72 min
Feb 12, 8:48 PM ESTSpecial Marine WarningMFL57 min
Feb 12, 9:02 PM ESTTornado WarningMFLCollier28 min
Feb 12, 9:44 PM ESTSpecial Weather StatementMFLHendry61 min
Feb 12, 9:45 PM ESTSpecial Marine WarningMFL45 min
Feb 12, 9:54 PM ESTSpecial Marine WarningMFL66 min
Feb 12, 9:57 PM ESTTornado WarningMFLHendry, Palm Beach33 min
Feb 12, 10:06 PM ESTSpecial Marine WarningMFL54 min
Feb 12, 10:06 PM ESTTornado WarningMFLCollier, Monroe24 min
Feb 12, 10:22 PM ESTSpecial Marine WarningMFL83 min
Feb 12, 10:29 PM ESTSpecial Weather StatementMFLPalm Beach31 min
Feb 12, 10:33 PM ESTSpecial Weather StatementMFLBroward57 min
Feb 12, 10:34 PM ESTSpecial Marine WarningMFL56 min
Feb 12, 10:37 PM ESTSpecial Weather StatementMFLPalm Beach53 min
Feb 12, 10:38 PM ESTTornado WarningMFLMonroe52 min
Feb 12, 10:40 PM ESTSpecial Marine WarningMFL35 min
Feb 12, 10:47 PM ESTSpecial Weather StatementMFLCollier58 min
Feb 12, 10:54 PM ESTSpecial Weather StatementMFLBroward66 min
Feb 12, 10:55 PM ESTSpecial Marine WarningMFL50 min
Feb 12, 10:58 PM ESTSpecial Marine WarningMFL92 min
Feb 12, 11:06 PM ESTTornado WarningMFLBroward, Palm Beach24 min
Feb 12, 11:13 PM ESTTornado WarningMFLBroward, Palm Beach62 min
Feb 12, 11:24 PM ESTSpecial Marine WarningMFL66 min
Feb 12, 11:30 PM ESTTornado WarningMFLCollier30 min
Feb 12, 11:42 PM ESTSpecial Weather StatementMFLHendry33 min
Feb 12, 11:53 PM ESTTornado WarningMFLPalm Beach52 min
Feb 12, 11:59 PM ESTTornado WarningMFLBroward, Collier31 min
Feb 13, 12:09 AM ESTTornado WarningMFLMonroe36 min
Feb 13, 12:22 AM ESTSpecial Marine WarningMFL53 min
Feb 13, 12:24 AM ESTSpecial Marine WarningMFL2 hr
Feb 13, 12:29 AM ESTSevere Thunderstorm WarningMFLBroward, Palm Beach39 min
Feb 13, 12:46 AM ESTTornado WarningMFLCollier, Monroe29 min
Feb 13, 1:00 AM ESTSevere Thunderstorm WarningMFLCollier, Monroe45 min
Feb 13, 1:06 AM ESTSevere Thunderstorm WarningMFLBroward, Palm Beach24 min
Feb 13, 1:14 AM ESTSpecial Marine WarningMFL61 min
Feb 13, 1:17 AM ESTTornado WarningMFLBroward, Collier28 min
Feb 13, 1:29 AM ESTSevere Thunderstorm WarningMFLBroward, Palm Beach51 min
Feb 13, 1:41 AM ESTTornado WarningMFLBroward25 min
Feb 13, 1:55 AM ESTSpecial Weather StatementMFLMonroe50 min
Feb 13, 2:09 AM ESTSpecial Marine WarningMFL96 min
Feb 13, 2:15 AM ESTSpecial Weather StatementMFLBroward, Palm Beach60 min
Feb 13, 2:28 AM ESTSpecial Marine WarningMFL92 min
Feb 13, 2:49 AM ESTSpecial Weather StatementMFLMiami-Dade26 min
Feb 13, 3:37 AM ESTSpecial Marine WarningMFL83 min
Feb 13, 4:00 AM ESTSpecial Marine WarningMFL60 min
Feb 13, 8:17 AM ESTSpecial Marine WarningMFL59 min
Feb 13, 10:16 AM ESTSpecial Weather StatementMFLMonroe29 min
Feb 13, 10:38 AM ESTSpecial Weather StatementMFLCollier22 min
Feb 13, 11:00 AM ESTSpecial Marine WarningMFL90 min
Feb 13, 12:21 PM ESTSpecial Weather StatementMFLBroward24 min
Feb 13, 12:27 PM ESTSpecial Marine WarningMFL75 min
Feb 13, 12:46 PM ESTSpecial Weather StatementMFLBroward29 min
Feb 13, 12:56 PM ESTSpecial Weather StatementMFLBroward34 min
Feb 13, 1:15 PM ESTSpecial Weather StatementMFLBroward, Miami-Dade60 min
Feb 13, 1:35 PM ESTSpecial Marine WarningMFL85 min
Feb 13, 1:49 PM ESTSevere Thunderstorm WarningMFLMiami-Dade42 min
Feb 13, 2:09 PM ESTSpecial Weather StatementMFLMiami-Dade36 min
Feb 13, 2:52 PM ESTSpecial Marine WarningMFL83 min

Nearby

Severe Thunderstorm Warnings in Florida, 2008Every severe thunderstorm warning 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.