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UFO ACTIVITY INDEX SOLAR WIND FACTORS

VELOCITY

--340

--380

--400

--420

--440

--470

--500

--530

--560

--590

--620

--800

IMF Active

-3

-7

-14

-24

-39

-43

-47

-70

IMF Quiet

-3

-6

-13

-22

-28

-35

-50

* SOLAR DENSITY TREND (Ram Front)

+2 Density dropping during solar quiet period

-10 Density climbing before IMF spikes

+4 Density climbing as IMF storm ends

IMF B(nT) Chart to be used only for trends of 4 or more hours

IMF B(nT) --5.0 --6.2 --8.9 --9.2 --9.7 --11.0 --15.0 --20.0 --25.0 26.0--

UAI Only +10 +4 +2 0 UAI/1.2 UAI/2.2 UAI/2.47 UAI/2.8 UAI/3.0 UAI/3.2

LFUS/M +30 +18 +7 0 -15 -75 -95 -100 -110 -130

UAI LFUS/M Trends used for 2nd UAI Update or daily LFUS/M

-1 -1 Small IMF spike less than --4 hours

-2 -3 Medium IMF crest of --5 hours

-4 -5 Broad IMF crest of --7 hours

-6 -7 Large IMF crest of 7.1-- hours

a glowing Monitor drifts westward through the air

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*	SOLAR DENSITY TREND (Ram Front)
+2	Density dropping during solar quiet period
-10	Density climbing before IMF spikes
+4	Density climbing as IMF storm ends

IMF B(nT)	--5.0	--6.2	--8.9	--9.2	--9.7	--11.0	--15.0	--20.0	--25.0	26.0--
UAI Only	+10	+4	+2	0	UAI/1.2	UAI/2.2	UAI/2.47	UAI/2.8	UAI/3.0	UAI/3.2
LFUS/M	+30	+18	+7	0	-15	-75	-95	-100	-110	-130

UAI	LFUS/M	Trends used for 2nd UAI Update or daily LFUS/M
-1	-1	Small IMF spike less than --4 hours
-2	-3	Medium IMF crest of --5 hours
-4	-5	Broad IMF crest of --7 hours
-6	-7	Large IMF crest of 7.1-- hours