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CWFA ID WFO Name NWS Region* Area (sq. mi) Population States Counties* Largest City in CWFA* Most Populous County Least Populous County NEXRAD Dopplers*
OKX New York City, NY Eastern 6380 18882993 3 20 Brooklyn/NYC, NY Kings County, NY Putnam County, NY KOKX
PHI Philadelphia, PA Eastern 15346 12065956 4 34 - Philadelphia County, PA Kent County, MD KDIX, KDOX
LOX Los Angeles, CA Western 12028 11716710 1 4 - Los Angeles County, CA San Luis Obispo County, CA KSOX
SGX San Diego, CA Western 12089 11018118 1 4 - San Diego County, CA San Bernadino County, CA KNKX
LWX Baltimore, MD/Washington, D.C. Eastern 19067 10129160 3 44 Washington, D.C. Fairfax County, VA Highland County, VA KLWX, KDOX
LOT Chicago, IL Central 14204 10077451 2 23 - Cook County, IL Benton County, IL KLOT, KMKX
BOX Boston, MA Eastern 9933 8901001 3 21 - Middlesex County, MA Nantucket County, MA KBOX
FWD Dallas/Forth Worth, TX Southern 39373 8805236 1 46 Dallas, TX Dallas County, TX Mills County, TX KFWS, KDYX, KGRK
FFC Atlanta, GA Southern 32212 8159073 1 96 - Fulton County, GA Taliaferro County, GA KFFC, KJGX, KHTX
MTR San Francisco Bay Area, CA Western 11344 8013123 1 11 San Jose, CA Santa Clara County, CA San Benito County, CA KMUX, KDAX
HGX Houston/Galveston, TX Southern 20271 7386474 1 23 Houston, TX Harris County, TX Madison County, TX KHGX
MFL Miami, FL Southern 9922 6563860 1 7 - Miami-Dade County, FL Glades County, FL KAMX
ILN Cincinnati, OH Eastern 20374 5943859 3 52 Columbus, OH Franklin County, OH Robertson County, KY KILN
TBW Tampa Bay Area, FL Southern 12248 5859233 1 15 Tampa, FL Hillsborough County, FL Hardee County, FL KTBW
CLE Cleveland, OH Eastern 14668 5511729 2 30 - Cuyahoga County, OH Wyandot County, OH KCLE
GSP Greenville/Spartanburg, SC Eastern 21243 5251225 3 46 Charlotte, NC Mecklenburg County, NC Graham County, NC KGSP, KMRX
SEW Seattle/Tacoma, WA Western 20356 5094992 1 14 Seattle, WA King County, WA San Juan County, WA KATX, KLGX
STO Sacramento, CA Western 28509 4997043 1 23 - Sacramento County, CA Alpine County, CA KDAX, KBBX
EWX Austin/San Antonio, TX Southern 35871 4945558 1 33 San Antonio, TX Bexar County, TX Edwards County, TX KEWX, KDFX, KGRK
MPX Minneapolis, MN Central 33567 4737458 2 51 - Hennepin County, MN Lac qui Parle County, MN KMPX
RAH Raleigh, NC Eastern 16591 4675060 1 31 - Wake County, NC Warren County, NC KRAX
PSR Phoenix, AZ Western 32334 4631482 2 8 - Maricopa County, AZ La Paz County, AZ KIWA, KYUX
MLB Melbourne, FL Southern 8721 4206836 1 10 Orlando, FL Orange County, FL Okeechobee County, FL KMLB
BOU Denver/Boulder, CO Central 29390 3924406 1 22 Denver, CO Denver County, CO Jackson County, CO KFTG, KCYS
PBZ Pittsburgh, PA Eastern 19049 3747036 4 36 - Allegheny County, PA Tucker County, WV KPBZ
AKQ Wakefield, VA Eastern 18933 3705740 3 51 Virginia Beach, VA Chesterfield County, VA Surry County, VA KAKQ
PQR Portland, OR Western 22168 3691208 2 19 - Multnomah County, OR Wahkiakum County, WA KRTX
LSX St. Louis, MO Central 26695 3673795 2 46 - St. Louis County, MO King County, MO KLSX
SJU San Juan, PR Southern 3583 3659351 NA 81 - San Juan Minicipio, PR Culebra Municipio, PR TJUA, TSJU, TJRV, TJBQ
CTP Central Pennsylvania, PA Eastern 23392 3444423 1 33 Lancaster, PA Lancaster County, PA Cameron County, PA KCCX
MKX Milwaukee, WI Central 11910 3354065 1 20 - Milwaukee County, WI Marquette County, WI KMKX
IND Indianapolis, IN Central 15809 3303254 1 39 - Marion County, IN Warren County, IN KIND
LIX New Orleans/Baton Rouge, LA Southern 17367 3037645 2 30 New Orleans, LA East Baton Rouge Parish, LA Wilkinson County, MS KLIX
SLC Salt Lake City, UT Western 71018 3010197 2 27 - Salt Lake County, UT Piute County, UT KMTX, KICX
HNX San Joaquin Valley, CA Western 26664 2969508 1 8 Fresno, CA Fresno County, CA Mariposa County, CA KHNX, KEYX
LMK Louisville, KY Central 19778 2906182 2 59 - Jefferson County, KY Cumberland County, KY KLVX
BUF Buffalo, NY Eastern 12892 2878010 1 16 - Erie County, NY Lewis County, NY KBUF
GRR Grand Rapids. MI Central 14418 2828619 1 23 - Kent County, MI Lake County, MI KGRR
JAX Jacksonville, FL Southern 17775 2818177 2 29 - Duval County, FL Echols County, GA KJAX
VEF Las Vegas, NV Western 69775 2780115 3 7 - Clark County, NV Esmeralda County, NV KESX
MEG Memphis, TN Southern 31609 2741049 4 57 - Shelby County, TN Quitman County, MS KNQA
BMX Birmingham, AL Southern 28325 2702662 1 39 - Jefferson County, AL Greene County, AL KBMX
OHX Nashville, TN Southern 16688 2648483 1 38 - Davidson County, TN Pickett County, TN KOHX, KHPX, KHTX
EAX Kansas City/Pleasant Hill, MO Central 24360 2612533 2 44 Kansas City, MO Jackson County, MO Worth County, MO KEAX
MRX Knoxville/Tri-Cities, TN Southern 16404 2586149 3 42 Knoxville, TN Knox County, TN City of Norton, VA KMRX
OUN Oklahoma City, OK Southern 48103 2503074 2 56 - Oklahoma County, OK Foard County, TX KTLX, KFDR, KVNX
BGM Binghamton, NY Eastern 17854 2496799 2 24 Syracuse, NY Onondaga County, NY Schuyler County, NY KBGM
IWX Northern Indiana, IN Central 16050 2347165 3 37 Fort Wayne, IN Allen County, IN Blackford County, IN KIWX
GYX Portland, ME Eastern 21650 2343797 2 21 Manchester, NH Hillsborough County, NH Franklin County, ME KGYX
TSA Tulsa, OK Southern 26083 2272985 2 32 - Tulsa County, OK Latimer County, OK KINX
ALY Albany, NY Eastern 15524 2149470 4 19 - Albany County, NY Hamilton County, NY KENX, KTYX
SHV Shreveport, LA Southern 35684 2110414 4 48 - Caddo Parish, LA Lafayette County, AR KSHV
SHV Shreveport, LA Southern 35684 2110414 4 48 - Caddo Parish, LA Lafayette County, AR KSHV
CAE Columbia, SC Eastern 13688 1878538 2 23 - Richland County, SC Lincoln County, GA KCAE
JAN Jackson, MS Southern 35381 1796323 3 58 - Hinds County, MS Issaquena County, MS KDGX
RNK Blacksburg, VA Eastern 19988 1781473 3 40 Roanoke, VA Montgomery County, VA Bath County, VA KFCX, KRLX
TAE Tallahassee, FL Southern 24777 1699143 3 48 - Leon County, FL Quitman County, GA KTLH
ILX Central Illinois, IL Central 19523 1668007 1 35 Springfield, IL Champaign County, IL Scott County, IL KILX
CHS Charleston, SC Eastern 11779 1662904 2 20 - Charleston County, SC Jenkins County, GA KCLX
LCH Lake Charles, LA Southern 19821 1653766 2 22 Lafayette, LA Jefferson County, TX Cameron Parish, LA KLCH
LZK Little Rock, AR Southern 32245 1644388 1 45 - Pulaski County, AR Calhoun County, AR KLZK
MOB Mobile, AL Southern 18047 1606242 3 20 - Mobile County, AL Wilcox County, AL KMOB
ABQ Albuquerque, NM Southern 87942 1605805 1 25 - Bernalillo County, NM Harding County, NM KABX
RLX Charleston, WV Eastern 22097 1594889 4 49 - Kanawha County, WV Wirt County, WV KRLX
PAH Paducah, KY Central 24692 1593768 4 58 Evansville, IN Vanderburgh County, IN Hardin County, IL KPAH, KHPX, KVWX
OAX Omaha, NE Central 22164 1583715 2 38 - Douglas County, NE Pawnee County, NE KOAX
DMX Des Moines, IA Central 28185 1541872 1 51 - Polk County, IA Adams County, IA KDMX
DVN Quad Cities, IA Central 20291 1502297 3 36 Cedar Rapids, IA Linn County, IA Scotland County, MO KDVN
HFO Honolulu, HI Pacific 6431 1428469 1 5 - Honolulu County, HI Kauai County, HI PHMO, PHKM, PHWA, PHKI
GRB Green Bay, WI Central 17511 1387941 1 22 - Brown County, WI Florence County, WI KGRB
BRO Brownsville, TX Southern 8957 1385023 1 8 - Hidalgo County, TX Kenedy County, TX KBRO
SGF Springfield, MO Central 24882 1357671 2 37 - Greene County, MO Dade County, MO KSGF
ILM Wilmington, NC Eastern 10498 1344208 2 14 - Horry County, SC Marlboro County, SC KLTX
TWC Tucson, AZ Western 26286 1278713 1 6 - Pima County, AZ Greenlee County, AZ KEMX
OTX Spokane, WA Western 39101 1233495 2 21 - Spokane County, WA Garfield County, WA KOTX, KPDT
EPZ El Paso, TX Southern 30643 1189811 2 8 - El Paso County, TX Hudspeth County, TX KEPZ
HUN Huntsville, AL Southern 9286 1162472 2 14 - Madison County, AL Moore County, TN KHTX
PUB Pueblo, CO Central 32931 1070771 1 21 Colorado Springs, CO El Paso County, CO Mineral County, CO KPUX
PDT Pendleton, OR Western 42745 1049828 2 19 Yakima, WA Yakima County, WA Wheeler County, OR KPDT
ICT Wichita, KS Central 21496 1007062 1 26 - Sedgwick, KS Elk County, KS KICT
CRP Corpus Christi, TX Southern 16392 992679 1 15 - Neuces County, TX McMullen County, TX KCRP
BOI Boise, ID Western 49506 941590 2 17 - Ada County, ID Camas County, ID KCBX
ARX La Crosse, WI Central 19975 890092 3 28 Rochester, MN Olmstead County, MN Howard County, IA KARX
FSD Sioux Falls, SD Central 28587 847981 4 45 - Minnehaha County, SD Jerauld County, SD KFSD
MHX Morehead City, NC Eastern 8101 825316 1 15 Greenville, NC Onslow County, NC Tyrrell County, NC KMHX
BTV Burlington, VT Eastern 15638 824880 2 16 - Chittenden County, VT Essex County, VT KCXX, KTYX
REV Reno, NV Western 35609 741618 2 16 - Washoe County, NV Alpine County, CA KRGX
JKL Jackson, KY Central 11770 721228 1 33 Somerset, KY Pulaski County, KY Owsley County, KY KJKL
FGF Eastern North Dakota, ND Central 42113 694304 2 35 Fargo, ND Cass County, ND Steele County, ND KMVX
MAF Midland/Odessa, TX Southern 51200 653153 2 26 Midland, TX Midland County, TX Loving County, TX KMAF
TOP Topeka, KS Central 15790 648284 1 23 - Shawnee County, KS Republic County, KS KTWX
MFR Medford, OR Western 37327 624040 2 9 - Jackson County, OR Lake County, OR KMAX
FGZ Flagstaff, AZ Western 50509 603164 1 5 - Yavapai County, AZ Gila County, AZ KFSX
APX North Central Lower Michigan, MI Central 15234 595411 1 25 Traverse City, MI Grand Traverse County, MI Oscoda County, MI KAPX
GJT Grand Junction, CO Central 51427 589164 2 22 - Mesa County, CO San Juan County KGJX
DLH Duluth, MN Central 33653 587476 2 18 - St. Loius County, MN Cook County, MN KDLH
AFC Anchorage, AK Alaska 184635 509120 1 15 - Matanuska-Sustina Borough, AK Bristol Bay Borough, AK PAHG, PAKC, PAIH, PABC
LUB Lubbock, TX Southern 21547 473167 1 24 - Lubbock County, TX King County, TX KLBB
PIH Pocatello/Idaho Falls, ID Western 31043 449474 1 19 Idaho Falls, ID Bonneville County, ID Clark County, ID KSFX
AMA Amarillo, TX Southern 26390 429384 2 23 - Randall County, TX Roberts County, TX KAMA
SJT San Angelo, TX Southern 26917 421105 1 24 Abilene, TX Taylor County, TX Sterling County, TX KSJT, KDYX
BIS Bismarck, ND Central 51146 415111 1 36 - Burleigh County, ND Slope County, ND KBIS, KMBX
MSO Missoula, MT Western 40704 407275 2 14 - Missoula County, MT Granite County, MT KMSX
TFX Great Falls, MT Western 51041 365766 1 18 - Gallatin County, MT Meagher County, MT KTFX
CAR Caribou, ME Eastern 20141 322477 1 6 Bangor, ME Penobscot County, ME Piscataquis County, ME KCBW
GID Hastings, NE Central 19387 302902 2 30 Grand Island, NE Hall County, NE Gosper County, NE KUEX
UNR Rapid City, SD Central 41556 299403 2 19 - Pennington County, SD Harding County, SD KUDX
RIW Riverton, WY Central 56930 280274 1 11 Casper, WY Natrona County, WY Hot Springs County, WY KRIW
BYZ Billings, MT Western 41281 277092 2 16 - Yellowstone County, WY Treasure County, WY KBLX
CYS Cheyenne, WY Central 35813 267903 2 15 - Laramie County, WY Banner County, NE KCYS
EKA Eureka, CA Western 11318 264596 1 4 - Humboldt County, CA Trinity County, CA KBHX, KMAX
MQT Marquette, MI Central 14148 254637 1 13 - Marquette County, MI Keweenaw County, MI KMQT
DDC Dodge City, KS Central 22742 213152 1 27 - Finney County, KS Lane County, KS KDDC
ABR Aberdeen, SD Central 30573 185161 2 28 - Brown County, SD Jones County, SD KABR
AFG Fairbanks, AK Alaska 359037 142156 1 11 - Fairbanks North Star Borough, AK Denali Borough, AK PAPD, PAEC
LKN Elko, NV Western 56097 129734 1 6 - Elko County, NV Eureka County, NV KLRX
LBF North Platte, NE Central 33161 104631 1 26 - Lincoln County, NE Arthur County, NE KLNX
KEY Key West, FL Southern 137 79077 1 1 - Monroe County, FL Monroe County, FL KBYX
GLD Goodland, KS Central 21017 78314 3 19 Colby, KS Red Willow County, NE Greeley County, KS KGLD
AJK Juneau, AK Alaska 38830 73214 1 10 - Juneau City and Borough, AK Yakutat City and Borough, AK PACG
GGW Glasgow, MT Western 32098 54963 1 12 Sidney, MT Richland County, MT Petroleum County, MT KGGW
GUM Guam, GU Pacific 1223 53883 NA 4 Dededo, GU Saipan Rota PGUA

Above is a map of all 122 National Weather Service Weather Forecast Offices (WFOs) and their County Warning Forecast Areas (CWFAs) in the United States, Puerto Rico, and Guam. Each WFO is responsible for keeping their CWFA informed of and prepared for significant weather.

 

Below is a sortable table of some geographic and demographic data regarding National Weather Service CWFAs and WFOS. Note the following descriptions of the four column headers with asterisks: 

 

NWS Region*: The NWS divides operations into four geographic regions: Western, Central, Eastern, and Pacific.

 

Counties*: This column lists the number of counties or county-equivalents (e.g. parishes, independent cities, boroughs, islands, etc.) in each CWFA.

 

Largest City in CWFA*: A city is only listed in this column if the largest city in the CWFA is different than the city named in the WFO's name. For example, in the Detroit, MI CWFA, Detroit is the largest city, so the column is left blank, while in the Portland, ME CWFA, Manchester, NH is actually the largest city, so Manchester, NH would be listed in this column.

 

NEXRAD Dopplers*: This column lists the NEXRAD Doppler radars that service or cover a substantial portion of the CWFA.

 

http://www.andrewswxcenter.com/images/NWS_Weather_Forecast_Offices.svg