STANDARD LOOPS

Northern Hemisphere
North Pacific
North America
North Atlantic
Europe
Southern Hemisphere
South America
Africa
Indian Ocean
Australia

SEVERE WEATHER LOOPS

Northern Hemisphere
North Pacific
North America
North Atlantic
Europe
Southern Hemisphere
South America
Africa
Indian Ocean
Australia

TROPICAL TRANSITION LOOPS

Northern Hemisphere
North Pacific
North America
North Atlantic
Europe
Southern Hemisphere
South America
Africa
Indian Ocean
Australia

Standardized Anom. LOOPS

Northern Hemisphere
North Pacific
North America
North Atlantic
Europe
Southern Hemisphere
South America
Africa
Indian Ocean
Australia


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MSLP (hPa), precipitation (mm 6 h-1), 850-hPa temperature (C), 10-m wind (kts)
        
        

MSLP (hPa), 250-hPa jet (m s-1), 1000-500-hPa thickness (dam)
        
        

DT [2 PVU] theta (K) and wind (kts), 925-850-hPa cyclonic rel. vort. (every 0.5 x 10-4 s-1)
        
        

250-hPa jet (m s-1), 300-200-hPa PV (PVU)
/irro. wind (m s-1), 600-400-hPa ascent (5 x 10-3 hPa s-1), PW (mm)
        
        

500-hPa geo. height (dam), temperature (C), ascent (5 x 10-3 hPa s-1),
cyclonic rel. vort. (x 10-5 s-1), wind (kts)
        
        

700-hPa geo. height (dam), temperature (C), wind (kts), PW
(mm)
        
        

850-hPa equivalent potential temp. (K), geo. heights (dam), wind (kts)

        
        

850-hPa frontogenesis (K 100km-1 3h-1), geo. heights (dam), temperature (C), wind (kts)
        
        

CAPE (J kg-1), 1000-500-hPa shear (kts), 850-hPa geo. heights (dam), temperature (C)
        
        

MSLP (hPa), 2-m temperature (C) [0C line shown in white], 10-m wind (kts)
        
        

350 K isentropic surface | PV (PVU), pressure (hPa), wind (kts)

        
        

330 K isentropic surface | PV (PVU), pressure (hPa), wind (kts)

        
        

310 K isentropic surface | PV (PVU), pressure (hPa), wind (kts)
        
        

295 K isentropic surface | PV (PVU), pressure (hPa), wind (kts)
        
        

Coupling Index (C), 500-200-hPa thermal vorticity (x 10-5 s-1), 850-200-hPa wind shear (kts), surface lows
        
        


300-200-hPa PV (PVU), 250-hPa wind (kts), standardized meridional wind anom. (sigma)
        
        

500-hPa geo. height (dam), standardized
geo. height anom. (sigma), wind (kts)
        
        

700-hPa geo. height (dam), wind (kts), standardized PW anom. (sigma)
        
        

850-hPa geo. height (dam),
temp. (C), standardized temp. anom. (sigma), wind (kts)
        
        

925-hPa geo. height (dam),
standardized wind speed anom. (sigma), wind (kts)
        
        

MSLP (hPa),
standardized MSLP anom. (sigma), 10-m wind (kts)
        
        

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