Weather Bureau topics and personnel / United States Department of ...

286
no proVj&Il iR niatlc tlicrcin for reporting observation@ not rnnde owing
$0 low CIoudR, rain, ctc. Thc following dntn arf to bc rcportcd in such
CWes :
1. Station.
2. Tirno.
3. Words “Wind aloft”.
4. Iknson for no observation.
6. Word “Nonc”.
Thus: WA 630AES WJNDS ALOFT LOW CLOUDS NONIC.
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CLOUD ELEVATIONS IN CODED PILOT-BALLOON REPORT8
It is notrd that “surface” in still being used at scverul station8 IM a
base for coding cloud elevations in pilot-balloon reports, cvcn though tho
changc of basc to ‘‘sca Icvcl” becniiie effioctivc January 1, 1932. It was
( C
’hendcd tbnt the instructions on pi~ge 1 of tlic Circulnr, Change From
Surface to &a Levo1 a8 a 13ase for Wind-Aloft Reports”, datcd 1)ccc~mbcr
1, 1931, apply to cloud as well as to othcr clrvntions jncludcd in pilotballoon
reports. Btntion oiIioials who arc not xiow conqlying wit11
instructions in this rcspact nrc directed to do eo hercnft~r.
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CORRECTION
Tho effcctivca datc given in the nrticles ontit1r.d “Wind IXroetions in
Airway8 W(snt1ior Ibports” and “Modifying Wind T~rnis” on pngw 223
and 224, repppctivoly, of tho DPcenibcr, 1931, number of TOPICS ANI)
~IWONNICL should be January 20, 1982, instcad of Jnnunry 20, 1931.
Necessary corroctions should bo niado in tho articles in qucstion.
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CORRECTION TO AEROLOGICAL CODE
Thc cloud co& word “Cronlting”, for 6 stratus culm, in tho Aorologicnl
%do, 1980, is in error. Tho word should bo “Choaking”. Station
Officials arc rcquestcd to correct thcir coyiw of the Acrologicnl Codc
accordingly.
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CIRCULAR N
I
It is expcctcd thnt the roviecd cdition of Circulnr N, “Instructions for
Airwnys ObserverB”, will bo nvailnblc for issue to stations by Frbrunry
20, 1082. Each first-ordcr and airport ntatioii will bo furnished one
COPY direct, without request. In addition, it is, of courm, newssary
that a copy be furnishcd to onoh airways and nc~pnrtnmt of Coiniiierco
intormedjab station rnulting airwRys wonther reports. ‘1’0 this end, it ie
rcqur&cd that officials in cliargc of stations having general supervision of
8ervicc on airways submit Form 402013, in cnvclopos ninrltcd “Foriiis
for Aerologicfil Division”, for the nuinbor of the Circulars required to
furnish one copy to ench airways and Department of Coirinicrco station
on the airwnys under thrir goneral supervision. A fcw extra copies IIW
&o bc rcqucstcd for uso as rt~~)Iaccmctits.