Thank You!! Heartfelt Thanks to The Director General of Meteorology..Shri K G Ramesh Sir


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Wednesday, March 16, 2011

JAPAN NUCLEAR RADIATION A POSSIBLE THREAT TO UNITED STATES

A SERIOUS NUCLEAR INCIDENT THAT FOLLOWED FRIDAY'S CATASTROPHIC JAPAN EARTHQUAKE HAS RAISED FEARS OF RADIATION LEAKAGE, A WEATHER-DEPENDENT MATTER THAT COULD HAVE A FAR-REACHING IMPACT.
WERE THERE TO BE A SIGNIFICANT RELEASE OF RADIATION, TRACKING THE FALLOUT WOULD BECOME A METEOROLOGICAL PROBLEM.
JAPAN LIES IN THE MID LATITUDES OF THE NORTHERN HEMISPHERE, AS DOES THE UNITED STATES.
LIKEWISE, ITS WEATHER IS DOMINATED BY PREVAILING WESTERLY WINDS, BUT WITH SIGNIFICANT VARIATION NEAR THE EARTH SURFACE. EXACTLY WHERE A HYPOTHETICAL "RADIATION CLOUD", FROM EITHER FUKUSHIMA DAIICHI OR ONAGAWA, WOULD GO SHOULD DEPEND UPON THE WEATHER PATTERN AT THE TIME OF, AND FOLLOWING, THE RELEASE.
MOREOVER, IT SHOULD DEPEND UPON HOW HIGH THE CLOUD ROSE INTO THE ATMOSPHERE. THIS IS BECAUSE THE WINDS NORMALLY VARY WIDELY BETWEEN THE NEAR-SURFACE AND THE UPPER ATMOSPHERE, HOME TO THE EASTWARD-FLOWING JET STREAM.
GENERALLY SPEAKING, ANY RADIOACTIVE CLOUD RISING SIGNIFICANTLY INTO THE ATMOSPHERE WOULD TRAVEL ESSENTIALLY EASTWARD AND NORTHEASTWARD ACROSS THE PACIFIC OCEAN, EVENTUALLY REACHING NORTH AMERICA ANYWHERE BETWEEN ALASKA AND CALIFORNIA.
THE PRECISE DETAILS AS TO TIMING AND PATH TAKEN WOULD DEPEND UPON THE STATE OF THE ATMOSPHERE AT THE TIME OF THE HYPOTHETICAL RADIATION RELEASE.
ALTHOUGH SUCH A CLOUD WOULD POSE VIRTUALLY NO THREAT WHILE IN THE UPPER ATMOSPHERE, THE FALLOUT AT THE GROUND OF RADIOACTIVE PARTICLES FROM IT SHOULD BE A CONCERN FOR ANY MONITORING AUTHORITY.
A HYPOTHETICAL RELEASE OF RADIATION STAYING NEAR THE GROUND WOULD BE SUBJECT TO LOW-LEVEL WINDS, WHICH ARE MORE PRONE TO VARYING.
THERE ARE TIMES WHEN AREA WINDS BLOW ON SHORE, AND A HYPOTHETICAL RELEASE AMID A SETTING OF ONSHORE WIND WOULD UNDOUBTEDLY BE OF GREAT CONCERN TO AUTHORITIES IN JAPAN.
FOLLOWING FRIDAY'S MAJOR EARTHQUAKE EAST OF JAPAN, FEARS WERE RAISED OF RADIATIONS LEAKS AND NUCLEAR MELTDOWNS AT POWER PLANTS.
RADIATION WAS REPORTED TO BE LEAKING OVER THE WEEKEND FROM THE FUKUSHIMA DAIICHI NUCLEAR POWER PLANT FROM ONE OF THE REACTORS THAT HAD LOST ITS COOLING SYSTEM.
CNN REPORTS THAT A COOLING SYSTEM OF A SECOND REACTOR AT THE FUKUSHIMA DAIICHI NUCLEAR POWER PLANT FAILED ON SUNDAY, FORCING OFFICIALS TO EXPAND THE EVACUATION ZONE OF SURROUNDING RESIDENTS FROM 10 KM TO 20 KM (6 MILES TO 12 MILES).
COMPLICATING MATTERS, A SECOND HYDROGEN EXPLOSION OCCURRED AT THE PLANT EARLY MONDAY. FRIDAY'S QUAKE AND TSUNAMI DAMAGED TWO NUCLEAR REACTORS AT A POWER PLANT IN THE PREFECTURE, AND AT LEAST ONE OF THEM APPEARED TO BE GOING THROUGH A PARTIAL MELTDOWN, RAISING FEARS OF A RADIATION LEAK.
A STATE OF EMERGENCY WAS DECLARED ON SUNDAY AT A NUCLEAR POWER PLANT IN ONAGAWA, JAPAN, AS WELL.
EXCESSIVE RADIATION LEVELS HAVE BEEN RECORDED FOLLOWING FRIDAY'S EARTHQUAKE, ACCORDING TO THE UNITED NATIONS' ATOMIC WATCH-DOG AGENCY.
THREE REACTOR UNITS AT THE ONAGAWA PLANT ARE BEING WATCHED AND CONTROLLED FOR RADIATION LEAKS AND POSSIBLE MELTDOWN.
THE WIND DIRECTION MAY IMPACT WHERE THE RADIATION GOES BOTH AT A LOCAL LEVEL AND EVEN ACROSS THE GLOBE. THE WIND DIRECTION AT BOTH OF THESE LOCATIONS ARE SIMILAR SINCE THE ONAGAWA POWER PLANT IS LOCATED JUST TO THE NORTHEAST OF FUKUSHIMA POWER PLANT.
"THE EXACT DIRECTION OF THE WINDS WOULD HAVE TO BE KNOWN AT THE TIME OF THE RELEASE OF A LARGE AMOUNT OF RADIATION TO UNDERSTAND EXACTLY WHERE THE RADIATION WOULD GO," ACCORDING TO EXPERT SENIOR GLOBAL METEOROLOGIST JIM ANDREWS.
IT IS UNKNOWN WHEN A LARGE RELEASE OF RADIATION WOULD OCCUR, IF AT ALL, AT THIS POINT. "YOU CAN CALCULATE HOW LONG THE RELEASE OF A RADIATION WOULD TAKE TO CROSS THE PACIFIC FROM JAPAN TO THE U.S. BY CHOOSING DIFFERENT SPEEDS THAT THE RADIOACTIVE PARTICLES MIGHT BE MOVING AND USING THE DIRECT DISTANCE BETWEEN GIVEN LOCATIONS- SAY SENDAI, JAPAN, AND SEATTLE, WASH.," ANDREWS ADDED.
HOWEVER, EVEN THAT CALCULATION MAY NOT REFLECT HOW LONG THE PARTICLE WOULD TAKE TO CROSS THE PACIFIC, SINCE IT WOULD NOT LIKELY CROSS THE OCEAN IN A DIRECT PATH. THIS IS THE CASE BECAUSE THE WIND FLOW IS OFTEN A COMPLICATED PATTERN.
A TYPICAL WIND TRAJECTORY ACROSS THE PACIFIC IS WESTERLY, SINCE THERE IS OFTEN A LARGE DOME OF HIGH PRESSURE OVER THE CENTRAL PACIFIC AND AN AREA OF LOW PRESSURE IN THE GULF OF ALASKA.
ANY STORM SYSTEMS MOVING ACROSS THE PACIFIC WOULD ADD KINKS IN THE WESTERLY FLOW THAT WOULD MAKE THE PATH OF A PARTICLE CROSSING THE PACIFIC LONGER. "IN OTHER WORDS, IT WOULD BE A VERY INTRICATE AND DIFFICULT CALCULATION," SAID ANDREWS. "WE ARE GETTING INTO THE TIME OF YEAR WHERE ONSHORE WINDS OCCUR MOST OFTEN," SAID ANDREWS.
THIS IS NOT GOOD NEWS, SINCE AN ONSHORE DIRECTION WOULD BLOW MOST OF THE RADIATION TOWARD POPULATED AREAS.
AN ADDED THREAT IS THAT WITH HIGHER ELEVATIONS JUST ABOUT 4 MILES INLAND FROM THE POWER PLANTS, IF A TEMPERATURE INVERSION SETS UP IN THE ATMOSPHERE, RADIATION COULD BE TRAPPED.
AUTHORITIES HAVE WARNED RESIDENTS TO KEEP WINDOWS AND DOORS CLOSED AND AIR-CONDITIONING FANS SWITCHED OFF TO ELIMINATE THE INTAKE OF AIR FROM OUTSIDE.
CALCULATED TIME FOR RADIOACTIVE PARTICLES TO CROSS THE PACIFIC FROM THE POWER PLANTS IN JAPAN TO BIG WEST COAST CITIES IF THE PARTICLES TAKE A DIRECT PATH AND MOVE AT A SPEED OF 20 MPH:


    CITIES               EST. DISTANCE (MILES)      EST. TIME TO CROSS PACIFIC (DAYS)
ANCHORAGE                3,457                                                                           7
HONOLULU                   3,847                                                                           8
SEATTLE                        4,792                                                                          10
LOS ANGELES              5,477                                                                          11

Collected by
Milind Phadke
+919890317557

JAPAN NUCLEAR SITE RADIATION PATH

BRISK OFFSHORE WINDS ON WEDNESDAY WILL DIRECT ANY RELEASED RADIOACTIVE MATTER OUT TO SEA FROM SITES ALONG THE QUAKE-RAVAGED NORTHEASTERN COAST OF JAPAN.
THE FAVORABLE WINDS WILL BLOW MOSTLY FROM THE NORTHWEST AT 15-30 MPH THROUGHOUT NORTHEASTERN HONSHU WEDNESDAY AFTERNOON INTO THURSDAY, LOCAL TIME.
THIS WOULD FOLLOW A BOUT OF ONSHORE WINDS IN THE LOWERMOST ATMOSPHERE ON TUESDAY AND TUESDAY NIGHT, LOCAL TIME.
TUESDAY'S EASTERLY TO SOUTHEASTERLY WINDS WAFTING ALONG THE EAST-FACING COAST WOULD IMPLY THAT ANY RADIOACTIVE MATTER BEING RELEASED AT THE TIME BY STRICKEN NUCLEAR POWER PLANTS SHOULD HAVE DRIFTED OVER LAND NORMALLY HAVING A SIGNIFICANT POPULATION.
LIGHT WINDS, STILL OFF SHORE, WILL RETURN FRIDAY WITH DIRECTION BECOMING SOUTHERLY AT NIGHT. SOUTH TO SOUTHWEST WIND WILL THEN DOMINATE THROUGH AT LEAST SUNDAY, ALTHOUGH BRIEF ONSHORE WINDS WILL ALSO BE POSSIBLE.
THE ILL-FATED FUKUSHIMA REACTORS ARE LOCATED ALONG THE NORTHERN EAST COAST OF HONSHU, WHICH FACES ESSENTIALLY TOWARDS THE EAST. THE COMBINATION OF EARTHQUAKE-TRIGGERED POWER FAILURE AND SUBSEQUENT DAMAGE FROM A MASSIVE TSUNAMI PAVED THE WAY FOR MULTIPLE REACTOR FAILURES, ACCORDING TO REPORTS.
BROADER TRANSPORT OF ANY HYPOTHETICAL MAJOR RADIATION RELEASE WOULD BE SUBJECT TO THE PREVAILING WINDS, WHICH FOR JAPAN AND THE NORTHERN HEMISPHERE MID LATITUDES ARE WEST-TO-EAST ON AVERAGE. THUS, SUCH A RELEASE WOULD TEND TO TRACK AWAY FROM JAPAN AND, ULTIMATELY, FOLLOW A PATH TOWARD NORTH AMERICA.
Milind Phadke
+919890317557

Tuesday, March 15, 2011

NAGPUR WEATHER

DRY WEATHER FROM 15th TO 22nd MARCH 2011 OVER NAGPUR. THE Northerly WINDS FROM 850 mb TO 500mb IS HELPING TO KEEP THE MAXIMUM TEMPERATURE DOWN  AND IN THE NORMAL RANGE. ON SUNDAY AND MONDAY (20th AND 21st MAR 2011) THE MAX TEMP MAY CROSS 40DEG CEL MARK. BUT WITH REL. HUM. IN THE RANGE OF 25-10% WILL MAKE THE HEAT FEEL IN THE LESS DISCOMFORT ZONE. THIS CHART WILL HELP YOU OUT TO CALCULATE THE COMFORT INDEX.
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To determine the humidex temperature, find the value closest to your actual outside air temperature on the bottom. Follow that temperature line up until it intersects the actual relative humidity, which is shown on the left. The temperature shown at the point where these two values intersect is the humidex temperature.

HEAT COMFORT CHART

Milind Phadke
+919890317557

Wednesday, March 9, 2011

NAGPUR WEATHER

AS MENTIONED IN MY LAST BLOG ON NAGPUR WEATHER, THE SUMMER HEAT WILL BE ON THE RISE GRADUALLY. PRESENTLY TILL 11th MARCH 2011 FEW TRACES OF CLOUD WOULD SEND BACK THE RADIATED HEAT FROM THE EARTH AND GIVE A FEEL OF REAL SUMMER. FROM 11th MARCH 2011 ONWARDS, THE UPPER WINDS (BETWEEN 850 mb AND 500 mb i.e. BETWEEN 1.5 Kms AGL to 5.5 Kms AGL) WILL TURN TO NW, THEN GRADUALLY NNW AND COMPLETELY NORTHERLY WINDS FROM 16th ONWARDS WILL BRING DOWN THE MAXIMUM TEMPERATURE BY ABOUT A DEGREE OR TWO. THE ZERO DEGREE ISOTHERM WILL ALSO RISE FROM 620 mb TO ABOUT 580 mb AND RH ON THE GROUND RANGING BETWEEN 33 % AND 07% WILL SHOW THAT THE WEATHER IS COMPLETELY DRY. THE MAXIMUM TEMPERATURE WILL TRY TO BREAK 40 deg CEL MARK ON MONDAY THE 14th MAR '11 AND ON TUESDAY IT MAY CROSS THE 41 deg CEL MARK.

NAGPUR-SUMMER
FORECAST FOR CRICKET MATCH BETWEEN INDIA AND SOUTH AFRICA AT NAGPUR ON 12th MARCH

ON 12th MARCH 2011, DURING THE MATCH START TIME IN THE AFTERNOON ABOUT 1430 Hrs IST, THE GROUND WIND WILL BE INITIALLY Nly AND THEN NNEly AND AROUND 02 Kmph, RISING TO 05 Kmph IN THE EVENING AND WILL BE AROUND 12 Kmph IN THE LATE EVENING/NIGHT HOURS. THE RH WILL BE INITIALLY 10% RISING TO 15%. AT ABOUT 38 deg CEL (+/- 1) THE MAXIMUM TEMPERATURE MAY BE UNCOMFORTABLE FOR OUTSIDERS AND WILL RAPIDLY COOL DOWN TO 23 deg CEL (+2/-1) IN THE SECOND HALF OF THE CRICKET MATCH AT JAMTHA, NAGPUR.

Milind Phadke
+919890317557

Tuesday, March 8, 2011

MERGER OF AM-II & AM-I--PROPOSAL





RECEIVED IN MY eMAIL TODAY.
Milind Phadke
+919890317557



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