Southern Plains Sfc Maps from: Ohio State == UCAR == Al Pietrycha == Unisys
Central Plains Sfc Maps from: Ohio State == UCAR == Al Pietrycha
Northern Plains Sfc Maps from: Ohio State == UCAR == Al Pietrycha
Midwest Sfc Maps: from Ohio State == Al Pietrycha == Unisys
SPC floater sector surface maps with watches: 1 (loop) == 2 (loop) == 3 (loop)
Clickable Sfc obs map from Meteostar
Custom Sfc Plot by State or Region from the Storm Machine
SPC Floater Sector Sfc Map - PDF format
Mesonets: CO (DOT station map) == CO (Alnado station map) == OK (Public OCS sfc plot) == West TX (within Alnado sfc plot)
Latest Site-specific Obs for: TX == OK == NM == CO == KS == MO == IL == CO == NE == IA == WY == SD == MN == ND == MT
US Sfc Plot + fronts from Unisys

Derived Surface Fields:

Custom Contour Almost Anything from the Storm Machine
4-panel mass & moisture convergence from C.O.D.
National Isallobaric Analyses: from C.O.D. == UCAR
National Isothermal Analyses: Unisys == Ohio State == UCAR
National Isodrosothermal Analyses: Unisys == Ohio State == UCAR
Current WX and Isodrosotherms (Central CONUS) from C.O.D.
National Theta Analysis from SUNYA
National Thetae Analysis C.O.D. == UCAR
Nationwide Streamlines from Ohio State
Vorticity (U.S.) from Ohio State
ARPS-ADAS Southern Plains Sfc & stability analyses for today from CAPS
UCAR Moisture Convergence & LI: Central Plains, Northern Plains
Brian Jewett's Moisture Convergence & Wind: Southern Plains == Central Plains == Northern Plains ==Midwest
Southern Plains Moisture Convergence from: UCAR == TTU == ADAS == Southern Plains Mass Convergence from: TTU
Dodge City short-fuse composite sector

SFCOA regional stylesheets by Kevin Polston: South-central == North-central

SPC analysis fields (available :25-:30 past hour) for 3 floater sectors (click on their map for loop!):

Surface Map 1, 2, 3
Temp, Dewpt, Wnd 1, 2, 3
MSLP, Wnd 1, 2, 3
2-hour Pressure Change 1, 2, 3
Mstr Cnvgc 1, 2, 3
Thetae Advection 1, 2, 3
SBCAPE 1, 2, 3
100 mb MLCAPE 1, 2, 3
BL-6km shear 1, 2, 3
BRN Shear, SBCAPE 1, 2, 3
3km CAPE, sfc Vort 1, 2, 3
SRH 0-3 KM 1, 2, 3
SRH 0-1 KM 1, 2, 3
SRW Sfc-2 km 1, 2, 3
EHI (3 km) 1, 2, 3
Significant Tornado Parameter 1, 2, 3
Supercell Composite Index 1, 2, 3