Alert archive / Florida / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 273, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 30, 2006, 8:08 PM CDT for Holmes County, Walton County, Washington County, Florida. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2006, 8:08 PM CDT (01:08 UTC)
- Expired
- Aug 30, 2006, 9:15 PM CDT
- In force
- 67 min
- Issued by
- NWS Tallahassee, FL
- Area
- Counties, with a storm outline in the text
Counties Holmes County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 15 km from the middle of the area, began a volume at 01:11 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
Birmingham, AL (KBMX), launched 00:00Z, 1.1 hours before the alert went out and 289 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
- 927 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1221 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 30, 1:25 PM CDT, 6 hours 43 minutes earlier.
Area forecast discussion, Aug 30, 1:25 PM CDT, 6 hours 43 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 225 PM EDT WED AUG 30 2006 .SYNOPSIS...AT 17Z THE COLD FRONT STRETCHED FROM EASTERN TENNESSEE SOUTHWEST TO NEAR NEW ORLEANS. TD ERNESTO WAS CENTERED OVER SOUTH FLORIDA THIS AFTERNOON AND MOVING TO THE NORTH. SO FAR MOST OF THE RAIN ASSOCIATED WITH THIS SYSTEM HAS STAYED SOUTH AND EAST OF OUR FA. A FEW STORMS WERE JUST STARTING TO DEVELOP OVER OUR EASTERN GEORGIA ZONES. THE VAD WIND PROFILE SHOWS VERY WEAK STEERING FLOW SO STORMS WILL BE SLOW MOVERS. SOME OF THE STORMS HAVE VERY HIGH RAINFALL RATES SO WE WILL HAVE MINOR FLOODING CONCERNS FOR THE REMINDER OF THE AFTERNOON INTO THE EVENING. && .SHORT TERM...TONIGHT THROUGH THURSDAY NIGHT... THE GFS SHOWS A CLOSED UPPER LOW DEVELOPING OVER THE OHIO VALLEY TONIGHT DROPPING SLOWLY SOUTH THROUGH THURSDAY NIGHT DEEPENING THE TROUGH TO OUR WEST. AT THE SURFACE...THE LATEST GFS FORECAST POSITIONS FOR ERNESTO THROUGH THE SHORT TERM PERIOD ARE VERY CLOSE TO THE OFFICIAL TPC FORECAST TRACK. THIS TRACK TAKES ERNESTO NEAR MELBOURNE THIS EVENING...ABOUT 100 MILES EAST OF JACKSONVILLE BY 12Z THURSDAY...AND INLAND NEAR THE SOUTH CAROLINA/NORTH CAROLINA BORDER EARLY FRIDAY MORNING. ON THIS TRACK...WE CAN EXPECT ONLY FRINGE EFFECTS WITH SOME OF THE OUTER BANDS OVER OUR EASTERNMOST ZONES...MAINLY THIS EVENING AND THURSDAY MORNING. MEANWHILE... AS THE TROUGH DIGS AND THE TROPICAL SYSTEM DEPARTS WELL TO OUR NORTHEAST...THE COLD FRONT WILL PUSH INTO OUR CWA THURSDAY WITH A MUCH DRIER AIRMASS BEING PULLED INTO THE REGION. WILL SHOW 40% POP TONIGHT...WITH THE EXCEPTION OF THE SOUTHEAST BIG BEND WITH 50% POP. FOR THURSDAY...CHANCE (30-40%) POPS ALL ZONES WITH NIL TO SLIGHT POPS FOR THURSDAY NIGHT. WITH THE DRIER AIR FILTERING IN...WE MAY SEE MIN TEMPS DIP INTO THE UPPER 60S BY FRIDAY MORNING. .LONG TERM...BY FRIDAY...A COOLER AND DRIER AIRMASS WILL HAVE ESTABLISHED ITSELF OVER THE REGION AND WE ARE LOOKING FOR BELOW AVERAGE POPS FROM FRI THROUGH AT LEAST MONDAY. BY MONDAY AFTERNOON... WELL BE TRANSITIONING BACK TO A MORE SW FLOW WHICH SHOULD BUMP MOISTURE UP ENOUGH TO GET SOME SHRA/TSRA GOING WITH THE SEA-BREEZE. TEMPS THROUGHOUT THE EXTENDED ARE AROUND AVG FOR HIGHS AND JUST BELOW TO RIGHT AROUND AVG FOR LOWS. ALL IN ALL...A GREAT WEEKEND AND START TO NEXT WEEK. && .MARINE...ERNESTO IS FORECAST TO RE-INTENSIFY INTO A TROPICAL STORM SHORTLY AFTER MOVING INTO THE ATLANTIC EAST OF MELBOURNE. AS THE SYSTEM LIFTS TO THE NORTHEAST...WINDS WILL BACK TO THE WEST AND INCREASE SLIGHTLY OVER OUR COASTAL WATERS. FOR NOW WILL KEEP UNDER HEADLINE CRITERIA. OTHERWISE...WINDS AND SEAS WILL BE LOW THROUGH THE REMAINDER OF THE PERIOD. && .AVIATION...VFR CONDITIONS ARE EXPECTED TO PREVAIL THROUGH THE AFTERNOON AND EVENING. SCATTERED SHOWERS AND THUNDERSTORMS ARE ALREADY DEVELOPING ACROSS THE AREA...SO TEMPO GROUPS FOR MVFR VSBYS AND CIGS HAVE BEEN INCLUDED AT ALL TERMINALS. SOME OF THESE STORMS MAY RESULT IN VERY BRIEF IFR VSBYS AND CIGS... BUT PROBABILITY OF THESE CONDITIONS AT ANY SPECIFIC TERMINAL REMAINS VERY LOW AND THEY WERE THEREFORE NOT INDICATED IN THE TAF. THE SHOWER AND THUNDERSTORM ACTIVITY SHOULD DISSIPATE INTO THE EVENING RESULTING IN VFR CONDITIONS ACROSS THE AREA TONIGHT. FOR TOMORROW MORNING...INCLUDED TEMPO GROUPS FOR MVFR VISIBILITIES AT DHN...ABY...AND VLD. HOW DENSE THE FOG IS...OR WHETHER IT FORMS AT ALL... WILL LARGELY DEPEND ON WHETHER THE TERMINALS RECEIVE ANY RAIN TODAY AND HOW MUCH OF AN UPPER LEVEL CLOUD DECK FORMS OVERNIGHT. EXPECTING THE VFR CONDITIONS TO CONTINUE INTO THE DAY TOMORROW WITH TYPICAL AFTERNOON SHOWERS AND THUNDERSTORMS AFTER 18Z. && .FIRE WEATHER...DRIER AIR WILL FILTER INTO THE REGION FRIDAY INTO THE WEEKEND BUT MINIMUM RH VALUES ARE FORECAST TO REMAIN ABOVE CRITICAL LEVELS. THE MODELS MAY NOT HAVE A GOOD HANDLE ON HOW MUCH DRY AIR WILL FILTER IN AT THE SURFACE SO WE WILL HAVE TO MONITOR CLOSELY FOR POSSIBLE RED FLAG CONDITIONS FRIDAY AND SATURDAY. && .PRELIMINARY POINT TEMPS/POPS... TALLAHASSEE 74 93 72 92/ 40 30 20 20 PANAMA CITY 77 91 74 90/ 40 30 10 10 DOTHAN 72 90 69 89/ 40 30 10 10 ALBANY 73 92 70 90/ 40 40 20 20 VALDOSTA 73 93 71 92/ 40 40 20 20 CROSS CITY 75 90 73 90/ 50 40 20 30 && .TAE WATCHES/WARNINGS/ADVISORIES... AL...NONE. GA...NONE. FL...NONE. && AVIATION...FOURNIER/MANNING SHORT TERM/MARINE...BARRY LONG TERM...MCNATT
Hazardous weather outlook, Aug 30, 4:00 AM CDT, 16 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TALLAHASSEE FL 500 AM EDT WED AUG 30 2006 ALZ065>069-FLZ007>019-026>029-034-GAZ120>131-142>148-155>161- GMZ750-755-770-775-310900- COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-COASTAL WALTON- HOLMES-WASHINGTON-JACKSON-BAY-CALHOUN-GULF-FRANKLIN-GADSDEN-LEON- JEFFERSON-MADISON-LIBERTY-WAKULLA-TAYLOR-LAFAYETTE-DIXIE-QUITMAN- CLAY-RANDOLPH-TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL- IRWIN-EARLY-MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE- DECATUR-GRADY-THOMAS-BROOKS-LOWNDES-LANIER- COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT TO 20 NM- COASTAL WATERS FROM SUWANNEE RIVER TO APALACHICOLA FL OUT TO 20 NM- WATERS FROM APALACHICOLA TO DESTIN FL EXTENDING FROM 20 TO 60 NM- WATERS FROM SUWANNEE RIVER TO APALACHICOLA FL EXTENDING FROM 20 TO 60 NM- 400 AM CDT WED AUG 30 2006 /500 AM EDT WED AUG 30 2006/ THIS OUTLOOK IS FOR SOUTHEAST ALABAMA...NORTHWEST FLORIDA...SOUTH CENTRAL GEORGIA...SOUTHWEST GEORGIA AND GULF OF MEXICO. .DAY ONE...TODAY AND TONIGHT. SHOWERS AND THUNDERSTORMS ARE LIKELY ACROSS THE REGION TODAY AS AN UPPER LEVEL TROUGH APPROACHES FROM THE NORTHWEST AND TROPICAL STORM ERNESTO MOVES NORTH AND THEN NORTHEAST THROUGH THE PENINSULA OF FLORIDA AND OFF THE EAST-CENTRAL FLORIDA COAST TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME...ALTHOUGH A FEW ISOLATED STORMS MAY PRODUCE HEAVY RAINFALL...FREQUENT LIGHTNING...AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. TROPICAL STORM ERNESTO WILL CONTINUE ON ITS NORTHEAST PATH THURSDAY AND IN ITS WAKE...DRIER AIR WILL MOVE IN OVER OUR AREA. THIS WILL CREATE LOWER THAN NORMAL CHANCES FOR PRECIPITATION FRIDAY THROUGH MONDAY AS WELL AS KEEP TEMPERATURES AROUND OR JUST BELOW NORMAL. BY MONDAY...RAIN CHANCES SLOWLY BEGIN TO INCREASE WITH THE NORMAL SEA-BREEZE INTERACTIONS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN TALLAHASSEE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/TAE. MCNATT
In the hours before
Special weather statement, Aug 30, 4:55 PM CDT, 3 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 555 PM EDT WED AUG 30 2006 ALZ066-302245- DALE- 455 PM CDT WED AUG 30 2006 ...A SIGNIFICANT WEATHER ALERT IS IN EFFECT FOR DALE COUNTY IN SOUTHEAST ALABAMA... * UNTIL 545 PM CDT AT 448 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATED A STRONG THUNDERSTORM NEAR OZARK. THIS STORM WAS MOVING EAST AT AROUND 5 MPH. SMALL HAIL...AND WIND GUSTS TO AROUND 50 MPH ARE POSSIBLE WITH THIS STORM. NEARLY CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. ALSO...THIS STORM IS PRODUCING TORRENTIAL DOWNPOURS WHICH MAY CAUSE LOCALIZED FLOODING OF STREETS AND LOW LYING AREAS. 14-MROCZKA
Special weather statement, Aug 30, 5:40 PM CDT, 2 hours 28 minutes before
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</html>Local storm report, Aug 30, 5:54 PM CDT, 2 hours 14 minutes before
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</html>Local storm report, Aug 30, 6:41 PM CDT, 1 hour 27 minutes before
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</html>Special weather statement, Aug 30, 6:44 PM CDT, 1 hour 24 minutes before
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</html>The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 8:09 PM CDT | Special Marine Warning | TAE | 96 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2006Every severe thunderstorm warning in 2006
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.