http://nsstc.uah.edu/aosc/files/AOSC_Responds_5.pdf
Nicely Said…and that’s all that needs to be said!
A Wet May Across Johnson County
June 23, 2009 — wxmanbillWith Mountain City Weather Center.com’s May Climate Data Summary recently released, the big news is the whopping 8.86 inches of rain which fell on the greater Mountain City and Johnson County region.
Other headlines include nearly average temperatures for daytime highs, a late month freeze, and periodic strong winds across the county.
Below is the complete May Climate Data Summary.
May ‘09 Climate Data Summary
Avg. Low: 51.2 Coldest Low: 30 on the 19th
Avg. High: 72.4 Warmest High: 80 on the 26th
Pk. Wind: 33 MPH on the 31st
Rainfall: 8.86 inches
Snowfall: 0.00 inches
Serious Severe WX Situation
June 18, 2009 — wxmanbillA serious severe weather situation will unfold across eastern TN and southwest VA this afternoon as a derecho roars southeast into the region over the next couple of hours. Widespread damaging winds in excess of 70 MPH will be the primary threat as this mass of rain and leading edge of severe thunderstorm drops down into our region. With temperatures in the lower 80s as of this post and dew points in the high 60s, our local air mass is plenty unstable to support severe. Below is a graphic provided by the Storm Prediction Center. Notice they label this is a PDS event, Particularly Dangerous Situation.
SEL1
URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 461
NWS STORM PREDICTION CENTER NORMAN OK
1040 AM EDT THU JUN 18 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
MUCH OF NORTHERN GEORGIA
PARTS OF SOUTHERN KENTUCKY
FAR WESTERN NORTH CAROLINA
NORTHWESTERN SOUTH CAROLINA
PARTS OF MIDDLE AND EASTERN TENNESSEE
EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1040 AM UNTIL
600 PM EDT.
…THIS IS A PARTICULARLY DANGEROUS SITUATION…
EXTREMELY DAMAGING THUNDERSTORM WIND GUSTS TO 80 MPH…LARGE HAIL
TO 2 INCHES IN DIAMETER…AND DANGEROUS LIGHTNING ARE POSSIBLE IN
THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHEAST OF
BOWLING GREEN KENTUCKY TO 35 MILES SOUTH SOUTHWEST OF ATHENS
GEORGIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION…CONTINUE…WW 459…WW 460…
DISCUSSION…BOW ECHO/DERECHO IS MOVING RAPIDLY SEWD CENTRAL KY
DRIVEN BY A 60-70 KT REAR INFLOW JET. MORNING SOUNDINGS SWD INTO GA
INDICATE THAT POTENTIALLY A VERY UNSTABLE AIR MASS IS IN PLACE IN
ADVANCE OF THIS SYSTEM AND WITH DAYTIME HEATING…EXPECT THE CURRENT
ASSOCIATED WIND DAMAGE TO BECOME MORE WIDESPREAD AND INTENSE.
AVIATION…A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 33045.
…HALES
An Active Severe WX Pattern
June 15, 2009 — wxmanbill000
FLUS44 KMRX 150734
HWOMRX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
334 AM EDT MON JUN 15 2009
NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-160745-
CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-
SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN-
NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE-
SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER-
SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT-
BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS-
SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE-
SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE-
WISE-SCOTT-RUSSELL-WASHINGTON-
334 AM EDT MON JUN 15 2009 /234 AM CDT MON JUN 15 2009/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH
CAROLINA…EAST TENNESSEE AND SOUTHWEST VIRGINIA.
.DAY ONE…TODAY AND TONIGHT
AN ORGANIZED THUNDERSTORM COMPLEX IS EXPECTED TO DEVELOP ACROSS THE
MID MISSISSIPPI RIVER VALLEY THIS AFTERNOON…AND THEN MOVE
TOWARDS SOUTHWEST VA AND EAST TN THIS EVENING. THIS SYSTEM WILL
BRING THE POTENTIAL FOR WIDESPREAD DAMAGING WINDS…LOCALLY HEAVY
RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING.
.DAYS TWO THROUGH SEVEN…TUESDAY THROUGH SUNDAY
AN ACTIVE PATTERN WILL CONTINUE ACROSS THE SOUTHERN APPALACHIAN
REGION THROUGHOUT THE UPCOMING WEEK. A SERIES OF ORGANIZED
THUNDERSTORM COMPLEXES WILL LIKELY DEVELOP EACH DAY OVER THE
MISSISSIPPI RIVER VALLEY TUESDAY AND WEDNESDAY…AND THEN TRACK
TOWARDS THE SOUTHERN APPALACHIAN REGION. EACH OF THESE SYSTEMS WILL
BRING THE POTENTIAL FOR WIDESPREAD DAMAGING WINDS…LOCALLY HEAVY
RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING.
.SPOTTER INFORMATION STATEMENT…
SPOTTER ACTIVATION WILL LIKELY BE NEEDED AT TIMES THROUGH WEDNESDAY.
$$
