A small but strong thunderstorm developed over Huntland, Tennessee during the late morning hours producing a brief moderate downburst with winds up to 50 mph.
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The episode as NWS HUN wrote it up.
A small but strong thunderstorm developed over Huntland, Tennessee during the late morning hours producing a brief moderate downburst with winds up to 50 mph.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Huntsville, AL wrote its last area forecast discussion before the first event at Jun 27, 9:38 AM CST, 41 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HUNTSVILLE AL 1038 AM CDT FRI JUN 27 2008 .UPDATE... HAVE ADJUSTED SKY AND POP GRIDS TO REFLECT LATEST TRENDS. && .DISCUSSION... A CU FIELD HAS DEVELOPED OVER THE WESTERN PORTIONS OF THE CWA AND SHOULD SPREAD EAST OVER THE NEXT FEW HOURS. EXPECTING A FEW ISOLATED TO SCATTERED THUNDERSTORMS TO DEVELOP WITH INSTABILITY INCREASING THROUGHOUT THE DAY. DEWPOINTS WILL CONTINUE RISING INTO THE LOWER 70S. TEMPS ARE EXPECTED IN THE UPPER 80S TO LOWER 90S. A THETA-E RIDGE IS EXPECTED TO DEVELOP JUST TO THE NORTH OF BHM AND MAY BE THE FOCUS OF DEVELOPMENT. LOOKING AT SOUNDINGS...AN INVERTED-V PROFILE AND SUBSIDENCE ALOFT MAY CAUSE T-STORMS TO BE PULSE LIKE WITH THE POSSIBILITY OF MICROBURST ACTIVITY. HAVE TRIMMED BACK POPS TO THE WEST FOR THIS MORNING GIVEN THE LACK OF ACTIVITY. LOOKING AT WRF AND NAM...STILL THINKING THE STORMS WILL DEVELOP SHORTLY AFTER 18Z INITIALLY PROGRESSING FROM SW TO NE ACROSS THE CUMBERLAND PLATEAU. STORMS ARE THEN EXPECTED TO FIRE ACROSS THE OTHER PORTIONS OF THE FA LATER THIS AFTERNOON. && PREV DISCUSSION... /ISSUED 240 AM CDT FRI JUN 27 2008/ DISCUSSION... AN UNSETTLED WEATHER PERIOD IS EXPECTED FOR THE LAST WEEKEND IN JUNE...AND IT LOOKS LIKE WE MAY RINSE AND REPEAT THE PATTERN FOR THE FOLLOWING WEEKEND AS WELL. IN BETWEEN...SOME VERY NICE CONDITIONS ARE EXPECTED TO CLOSE OUT JUNE AND BEGIN JULY. SHORT TERM (TODAY THROUGH SUNDAY NIGHT)... THE FORECAST FOR TODAY IS INCREDIBLY TRICKY. SOME SLIGHTLY DRIER AIR HAS FILTERED INTO THE REGION...BUT A SMALL MCS HAS DEVELOPED IN A VERY NARROW THETA-E RIDGE OVER THE LOWER OHIO VALLEY. TRANSPORT VECTORS SEND THE MCS SOUTHWARD AND GENERALLY AWAY FROM THE TN VALLEY...BUT WILL WE SEE ANY INFLUENCE FROM IT AT ALL? THAT IS THE QUESTION FOR TODAY. NSSL WRF SHOWS THE EASTERN TWO-THIRDS OF THE AREA FAVORED FOR AFTERNOON CONVECTIVE DEVELOPMENT...AND WILL TAPER POPS ACCORDINGLY. FCST SOUNDINGS AGAIN SHOW SOME POTENTIAL FOR BRIEF DAMAGING WIND GUSTS AND MARGINALLY LARGE HAIL WITH STRONGER STORMS. THERE IS POTENTIAL AGAIN TONIGHT FOR MCS DEVELOPMENT IN A SIMILAR CORRIDOR AS THIS MORNING...FROM OKLAHOMA THROUGH THE LOWER OHIO VALLEY. PRETTY STRONG THETA-E GRADIENT BETWEEN THERE AND HERE THOUGH AND SO I EXPECT MOST OF OUR NIGHT WILL BE DRY...MAYBE AN ISOLATED SHOWER/STORM OR TWO LIKE WE ARE SEEING TONIGHT. THE MOISTURE-RICH AIRMASS MOVES INTO THE AREA ON SATURDAY AFTERNOON. I THINK (BARRING ANY UNEXPECTED MCS DEVELOPMENT) THE MORNING SHOULD BE FINE. BUT BY THE AFTERNOON...INCREASED MOISTURE YIELDS FAVORABLE CONDITIONS FOR SHRA/TSRA DEVELOPMENT AND POSSIBLE SEVERE STORMS. SPC HAS OUTLOOKED SLIGHT RISK FOR THE ENTIRE AREA. THE GFS LOOKS ANOMALOUSLY SUBSIDENT DUE TO CONVECTIVE FEEDBACK...AND WILL LEAN CLOSER TO THE NAM FOR SATURDAY AFTERNOON. THE SFC FRONT MOVES INTO THE VICINITY SATURDAY NIGHT...ALONG WITH THE THETA-E RIDGE AXIS...SO THIS SHOULD HELP SPARK A BETTER RAIN CHANCE. I RAISED POPS TO 50/50 BUT THAT MIGHT END UP BEING LOW. WORTH NOTING THAT THE OP GFS IS PAINTING OVER AN INCH OF PRECIP FOR SATURDAY NIGHT (1.65 IN. AT KMSL). THE FRONT WILL SLOWLY SAG THROUGH THE AREA ON SUNDAY. THE NAM MAY BE RIGHT FOR THE WRONG REASONS IN HOLDING THE FRONTAL PROGRESSION UP MOST OF THE DAY VERSUS THE GFS WHICH DRIES THINGS OUT RAPIDLY BY MIDDAY. I KEPT POPS THE SAME AS THE LAST TWO FORECASTS...CHANCE IN TN...LIKELY IN AL. LOCALLY HEAVY RAINFALL IS POSSIBLE...AND MAY BE LIKELY IF THE FRONT LINGERS AND TRAINING OF ECHOES OCCURS. DID NOT GO AS COOL AS THE MAV FOR HIGHS THOUGH...IF WE DO BREAK FROM THE RAIN FOR ANY PERIOD OF TIME WE SHOULD EASILY REACH THE MID 80S. EVEN WITH THE SLOWER PROGRESSION...IT LOOKS LIKE PRECIP WILL BE TAPERING FROM NORTHWEST TO SOUTHEAST ON SUNDAY NIGHT WITH CLOUD COVER DECREASING. EXTENDED (MONDAY THROUGH INDEPENDENCE DAY)... ONLY TWO OF THE GFS ENSEMBLE MEMBERS HOLD ANY PRECIP PAST 12Z MONDAY...AND THE ECMWF IS DRY. SO HAVE MADE MONDAY A DRY DAY. THERE IS SOME INSTABILITY THOUGH...SO I EXPECT CUMULUS DEVELOPMENT AND MAYBE A SPRINKLE...BUT NOT MUCH ELSE. PWATS ARE BELOW 1 INCH BY THEN. THE BULK OF THE SHORT WORK WEEK WILL FEATURE TEMPS SLIGHTLY BELOW NORMAL AND DRY CONDITIONS. LOWS IN THE 50S COULD BE WIDESPREAD MONDAY NIGHT IF ATMOSPHERIC DECOUPLING OCCURS. BY MIDWEEK...SOME MODEST RIDGING MAY ALLOW HIGHS TO APPROACH 90 DEGREES AGAIN BUT MORNING LOWS WILL STILL BE FAIRLY COMFORTABLE. ON THURSDAY...THE UPPER PATTERN IN BOTH THE GFS AND ECMWF LOOKS AN AWFUL LOT LIKE THE UPPER PATTERN OF THE LAST COUPLE DAYS. THE GFS IS PROBABLY FEEDBACKING IN PRECIP TOO SOON...BRINGING IT IN BY THURSDAY. WILL INCLUDE RAIN CHANCES FOR INDEPENDENCE DAY THOUGH AS THE UPPER TROUGH RELOADS AND RIDGING BREAKS DOWN. IF THAT COMES TO PASS (AND THERE IS A GREAT DEAL OF AGREEMENT BETWEEN GFS AND ECMWF AT LEAST AT THIS POINT)...THEN NEXT WEEKEND MAY HAVE THE SAME RISK OF RAIN AS THIS ONE. && .HUN WATCHES/WARNINGS/ADVISORIES... AL...NONE. TN...NONE. && DISCUSSION...77/LATIMER PREV DISCUSSION...23/JE
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 401 AM CDT FRI JUN 27 2008 ALZ001>010-016-TNZ076-096-097-271800- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 401 AM CDT FRI JUN 27 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. HOT AND UNSTABLE AIR WILL LEAD TO THUNDERSTORM DEVELOPMENT TODAY...MAINLY FROM THIS AFTERNOON INTO EARLY EVENING. INITIAL THUNDERSTORMS SHOULD OCCUR ACROSS THE CUMBERLAND PLATEAU EARLY THIS AFTERNOON...FOLLOWED BY DEVELOPMENT ELSEWHERE DURING PEAK LATE AFTERNOON HEATING. ANY OF THE STORMS WILL BE CAPABLE OF GUSTY WINDS AROUND 35 MPH AND CLOUD TO GROUND LIGHTNING. AN ISOLATED SEVERE STORM OR TWO IS POSSIBLE CAPABLE OF DAMAGING DOWNBURST WINDS AND PENNY SIZED HAIL. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... THE THREAT OF MORE ORGANIZED AND NUMEROUS THUNDERSTORMS IS ANTICIPATED OVER THE WEEKEND IN ADVANCE OF A COLD FRONT...WITH THE GREATER CHANCE ON SUNDAY. THERE IS A SLIGHT RISK OF SEVERE WEATHER. ON SATURDAY...THE HIGHEST CHANCE OF THUNDERSTORM ACTIVITY WILL BE DURING THE AFTERNOON HOURS. ON SUNDAY...THERE MAY BE TWO ROUNDS OF ACTIVITY...ONE DURING THE MORNING...AND ANOTHER DURING THE LATE AFTERNOON. THE SLOW MOVING COLD FRONT WILL ALSO INCREASE THE POTENTIAL FOR LOCALLY HEAVY RAINFALL ON SUNDAY. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED TODAY...BUT THESE GROUPS SHOULD CHECK LATER UPDATES CONCERNING THE WEEKEND SEVERE WEATHER POTENTIAL. KULA
The Northeast Alabama radar (KHTX), 22 km away, was scanning. The volume nearest the first event began at 16:19 UTC.
1 thunderstorm wind. Local standard time, as filed.
Downburst winds snapped a large tree limb onto a residential street in Huntland.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2008Every state in 2008This day in weather historyWarnings in Tennessee, June 2008
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 97889.